The present disclosure relates generally to the field of medical devices. In particular, the present disclosure relates to traction systems, and methods of use thereof, for endoscopic procedures such as tissue dissection. For example, a traction system may include a filament extendable along an outer surface of an endoscope with a distal end of the filament attachable to a medical device engaged with a target tissue of a body lumen.
In some aspects, this disclosure includes a medical device comprising: a sheath extending from a proximal end to a distal end. The sheath includes a first lumen extending from the proximal end to the distal end. The medical device further comprises a proximal body coupled to the proximal end of the sheath and a second lumen extending longitudinally through the proximal body; and a first body extending radially outward from the proximal body, and the first body includes a third lumen extending longitudinally through the first body. The first lumen, the second lumen, and the third lumen are fluidically connected. The medical device further comprises a seal positioned at a proximal portion of the proximal body; and an actuator. The actuation of the actuator adjusts a size of a vent of the medical device.
A61B 17/22 - Implements for squeezing-off ulcers or the like on inner organs of the bodyImplements for scraping-out cavities of body organs, e.g. bonesSurgical instruments, devices or methods for invasive removal or destruction of calculus using mechanical vibrationsSurgical instruments, devices or methods for removing obstructions in blood vessels, not otherwise provided for
A61B 17/00 - Surgical instruments, devices or methods
Embodiments herein relate to catheter connection manifold bypass devices, cancer therapy delivery systems, and related methods. For example, a catheter connection manifold bypass device can be included having a fluid passage conduit with a proximal end and a distal end. The bypass device can also include a deformable tip disposed around the distal end of the fluid passage conduit. The deformable tip can fit within a distal portion of a cavity within a connection manifold for a fluid delivery catheter. The bypass device can include a proximal connection port that can be connected to the proximal end of the fluid passage conduit. The bypass device can also include a connection adapter defining a channel, wherein the fluid passage conduit passes through the channel. The distal end of the connection adapter can be configured to attach to a proximal end of the fluid delivery catheter. Other embodiments are also included herein.
A surgical laser system includes an array of laser diodes that are configured to output laser energy, a fiber bundle, a delivery fiber, and a tubular sheath. The fiber bundle includes a plurality of optical fibers and has a proximal end that is configured to receive laser energy from the array of laser diodes. The delivery fiber includes a proximal end that is configured to receive laser energy from a distal end of the fiber bundle. The tubular sheath defines a lumen, in which at least a portion of the delivery fiber is disposed. The tubular sheath is insertable into a working channel of an endoscope or a cystoscope. A distal end of the tubular sheath is configured to deliver laser energy discharged from the delivery fiber into a body of a patient.
A61B 18/24 - Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser the beam being directed along or through a flexible conduit, e.g. an optical fibreHand-pieces therefor with a catheter
A61B 1/06 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor with illuminating arrangements
A61B 5/00 - Measuring for diagnostic purposes Identification of persons
A61B 18/00 - Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
A61B 18/20 - Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser
A61B 18/22 - Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser the beam being directed along or through a flexible conduit, e.g. an optical fibreHand-pieces therefor
In some aspects, this disclosure includes a medical device comprising: a sheath extending from a proximal end to a distal end. The sheath includes a first lumen extending from the proximal end to the distal end. The medical device further comprises a proximal body coupled to the proximal end of the sheath and a second lumen extending longitudinally through the proximal body; and a first body extending radially outward from the proximal body, and the first body includes a third lumen extending longitudinally through the first body. The first lumen, the second lumen, and the third lumen are fluidically connected. The medical device further comprises a seal positioned at a proximal portion of the proximal body; and an actuator. The actuation of the actuator adjusts a size of a vent of the medical device.
A61B 17/22 - Implements for squeezing-off ulcers or the like on inner organs of the bodyImplements for scraping-out cavities of body organs, e.g. bonesSurgical instruments, devices or methods for invasive removal or destruction of calculus using mechanical vibrationsSurgical instruments, devices or methods for removing obstructions in blood vessels, not otherwise provided for
An introducer sheath may include a valve hub and an elongate shaft extending from the valve hub. The valve hub may include a main port and a side port. The main port may include a first hub portion, a first seal that is disposed within the first hub portion, and a first actuator that is configured to adjust the first seal between an opened position and a closed position. The side port may include a second hub portion, a second seal that is disposed within second hub portion, and a second actuator that is configured to adjust the second seal between an opened position and a closed position.
Embodiments herein relate to catheter connection manifold bypass devices, cancer therapy delivery systems, and related methods. For example, a catheter connection manifold bypass device can be included having a fluid passage conduit with a proximal end and a distal end. The bypass device can also include a deformable tip disposed around the distal end of the fluid passage conduit. The deformable tip can fit within a distal portion of a cavity within a connection manifold for a fluid delivery catheter. The bypass device can include a proximal connection port that can be connected to the proximal end of the fluid passage conduit. The bypass device can also include a connection adapter defining a channel, wherein the fluid passage conduit passes through the channel. The distal end of the connection adapter can be configured to attach to a proximal end of the fluid delivery catheter. Other embodiments are also included herein.
Aspects of stone identification methods and systems are described. According to one aspect, an exemplary method comprises: transmitting to a processing unit, with an imaging element mounted on a distal end of a scope, image data about a stone object inside a body cavity; generating from the image data, with the processing unit, a visual representation of the stone object and the body cavity; establishing from a user input, with the processing unit, a scale for the visual representation; determining from the visual representation, with the processing unit, a size of the stone object on the scale; comparing, with the processing unit, the size of the stone object with a predetermined maximum size to determine a removal status; and augmenting, with the processing unit, the visual representation to include an indicator responsive to the removal status. Associated systems are also described.
A61B 1/00 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor
A61B 1/018 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor characterised by internal passages or accessories therefor for receiving instruments
A61B 1/307 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor for the urinary organs, e.g. urethroscopes, cystoscopes
A61B 5/107 - Measuring physical dimensions, e.g. size of the entire body or parts thereof
A61B 8/12 - Diagnosis using ultrasonic, sonic or infrasonic waves in body cavities or body tracts, e.g. by using catheters
A61B 17/225 - Surgical instruments, devices or methods for extracorporeal shock wave lithotripsy [ESWL], e.g. by using ultrasonic waves
A61B 18/00 - Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
A61B 18/26 - Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser the beam being directed along or through a flexible conduit, e.g. an optical fibreHand-pieces therefor for producing a shock wave, e.g. laser lithotripsy
A61B 34/00 - Computer-aided surgeryManipulators or robots specially adapted for use in surgery
A61B 34/20 - Surgical navigation systemsDevices for tracking or guiding surgical instruments, e.g. for frameless stereotaxis
A61B 90/00 - Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups , e.g. for luxation treatment or for protecting wound edges
G06F 3/0484 - Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
G06F 3/0488 - Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
G06T 11/60 - Editing figures and textCombining figures or text
An introducer sheath may include a valve hub and an elongate shaft extending from the valve hub. The valve hub may include a main port and a side port. The main port may include a first hub portion, a first seal that is disposed within the first hub portion, and a first actuator that is configured to adjust the first seal between an opened position and a closed position. The side port may include a second hub portion, a second seal that is disposed within second hub portion, and a second actuator that is configured to adjust the second seal between an opened position and a closed position.
A61M 60/865 - Devices for guiding or inserting pumps or pumping devices into the patient’s body
A61M 60/122 - Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient’s body
A61M 60/237 - Non-positive displacement blood pumps including a rotating member acting on the blood, e.g. impeller the blood flow through the rotating member having mainly axial components, e.g. axial flow pumps
A61M 60/419 - Details relating to driving for non-positive displacement blood pumps the force acting on the blood contacting member being permanent magnetic, e.g. from a rotating magnetic coupling between driving and driven magnets
Medical devices including medical devices with enhanced echogenicity are disclosed. An example medical device may include a polymeric catheter shaft having a distal end region. The distal end region may include a plurality of hyperechoic particles disposed therein.
A replacement heart valve system includes a replacement heart valve implant including an expandable framework and a plurality of leaflets, wherein the framework includes an attachment tab extending upstream from an inflow end, and an implant delivery system including an implant holding portion including a stent holder configured to engage the attachment tab to axially secure the implant relative to the delivery system. The stent holder includes a first radiopaque marker, and the attachment tab includes a second radiopaque marker, the first and second markers may collectively indicate a rotational orientation of the framework relative to a native heart valve under fluoroscopy. The first radiopaque marker may indicate when a middle commissure post of the framework is disposed in a posterior position and an anterior position relative to a native heart valve under fluoroscopy in a 3-cusp view.
The present disclosure, in its various aspects, is directed to instrument accessory devices, implementation methods, and related delivery systems. Embodiments according to the present disclosure, including as described herein, may increase the effectiveness and efficiency of endoscopy procedures, such as ERCP. In one example, an embodiment includes an instrument accessory device with an expandable member, the device configured to receive an instrument through an instrument lumen, wherein the expandable member comprises an aperture on the inner surface and outer surface, and the outer surface is in fluid communication with the inner surface.
A61B 1/00 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor
A61B 1/273 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor for the upper alimentary canal, e.g. oesophagoscopes, gastroscopes
A61B 17/30 - Surgical pincettes, i.e. surgical tweezers
A medical device including a handle including an actuation device, a sheath extending from the handle and having a longitudinal axis, the sheath defining an imaging lumen extending from the handle to a distal end of the sheath, an imaging device at a distal end of the sheath, and a piezoelectric member connected to the imaging device, where movement of the piezoelectric member moves the imaging device in a first direction relative to the longitudinal axis.
A61B 1/00 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor
A61B 1/015 - Control of fluid supply or evacuation
A61B 1/018 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor characterised by internal passages or accessories therefor for receiving instruments
A61B 1/05 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor combined with photographic or television appliances characterised by the image sensor, e.g. camera, being in the distal end portion
A61B 1/06 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor with illuminating arrangements
14.
DEVICES, SYSTEMS, METHODS, AND DESIGNS FOR MEDICAL CLEANING VALVES
A medical cleaning valve (or cleaning valve) may be configured to provide cleaning functionality to air and water channels of an endoscope. One or more embodiments described herein may include cleaning valves with features and/or components that facilitate differentiating them from procedural valves. In some embodiments, valves may be made from a limited number of parts and materials, to limit their cost. For example, multiple seals may be formed as a single component, such as via overmolding. In another example, wiper seals may be used to accommodate greater manufacturing tolerances. In yet another example, the valve may have a single elastomeric component, or spring cap, which may combine the functionality of a number of components (e.g., a boot, spring, spring housing, and stem cap).
F16K 11/07 - Multiple-way valves, e.g. mixing valvesPipe fittings incorporating such valvesArrangement of valves and flow lines specially adapted for mixing fluid with all movable sealing faces moving as one unit comprising only sliding valves with linearly sliding closure members with cylindrical slides
A61B 1/00 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor
A61B 1/12 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor with cooling or rinsing arrangements
A61B 90/70 - Cleaning devices specially adapted for surgical instruments
A61B 90/92 - Identification means for patients or instruments, e.g. tags coded with colour
A61B 90/94 - Identification means for patients or instruments, e.g. tags coded with symbols, e.g. text
A method of cooling a mammal with an implantable blood pump. The method includes measuring a temperature of an internal controller, the internal controller being in communication with the implantable blood pump. An alert is generated if the temperature of the internal controller exceeds a predetermined temperature threshold. The internal controller and implantable blood pump may be implanted at different locations in the patient.
A61M 60/135 - Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient’s body implantable via, into, inside, in line, branching on, or around a blood vessel inside a blood vessel, e.g. using grafting
An introducer sheath may include a valve hub and an elongate shaft extending from the valve hub. The valve hub may include a proximal end defining a first port having a first port entry opening and a second port having a second port entry opening. The introduce sheath may include a first seal disposed at the first port and aligned with the first port entry opening and a second seal disposed at the second port and aligned with the second port entry opening. The first port may be parallel with the second port. The valve hub may couple with a stabilizer configured to couple with and axially fix a medical device extending through one or both of the first port and the second port.
Medical devices including medical devices with enhanced echogenicity are disclosed. An example medical device may include a polymeric catheter shaft having a distal end region. The distal end region may include a plurality of hyperechoic particles disposed therein.
A medical laser system for outputting laser pulses includes at least one laser cavity configured to generate at least one laser pulse, a rotating mirror configured to receive and reflect the at least one laser pulse, a beam splitter configured to receive and reflect a portion of the at least one laser pulse received from the rotating mirror, an energy-sensing device configured to detect the portion of the at least one laser pulse, an energy measurement assembly configured to generate a feedback signal based on the portion of the at least one laser pulse detected by the energy-sensing device, and a controller configured to generate an electronic control pulse based on the feedback signal received from the energy measurement assembly to generate at least one adjusted laser pulse.
A61B 18/22 - Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser the beam being directed along or through a flexible conduit, e.g. an optical fibreHand-pieces therefor
A61B 17/00 - Surgical instruments, devices or methods
A61B 18/20 - Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser
19.
METHOD AND APPARATUS FOR RAPID AND SAFE PULMONARY VEIN CARDIAC ABLATION
An apparatus includes a shaft, the shaft including a plurality of stepped sections along the length of the shaft. The apparatus further includes a plurality of electrodes disposed along the length of the shaft, each electrode characterized by a geometric aspect ratio of the length of the electrode to the outer diameter of the electrode. Each electrode is located at a different stepped section of the plurality of stepped sections of the shaft and includes a set of leads. Each lead of the set of leads is configured to attain an electrical voltage potential of at least about 1 kV. The geometric aspect ratio of at least one electrode of the plurality of electrodes is in the range between about 3 and about 20.
A61B 17/00 - Surgical instruments, devices or methods
A61B 18/00 - Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
A61B 18/12 - Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
A61M 25/01 - Introducing, guiding, advancing, emplacing or holding catheters
20.
APPARATUS FOR IMPROVED CLEANING OF MEDICAL DEVICES
Disclosed solutions relate to cleaning devices for medical devices. For example, a cleaning device for cleaning a channel of a medical device includes a rod. The cleaning device further includes a connector at a proximal end of the rod. The cleaning device further includes a flexible cleaner positioned around the rod. The cleaning device further includes a ferrule configured to removably connect with the connector. The cleaning device further includes a pull member connected to the ferrule.
A61B 1/12 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor with cooling or rinsing arrangements
A46B 5/06 - Brush bodiesHandles integral with brushware in the form of tapes, chains, flexible shafts, springs, or the like
A46B 13/08 - Brushes with driven brush bodies hand-driven
A46D 1/00 - BristlesSelection of materials for bristles
F03B 3/04 - Machines or engines of reaction typeParts or details peculiar thereto with substantially axial flow throughout rotors, e.g. propeller turbines
F03B 13/00 - Adaptations of machines or engines for special useCombinations of machines or engines with driving or driven apparatusPower stations or aggregates
Boston Scientific Medical Device Limited (Ireland)
Inventor
Williams, Jessica
Chen, Longquan
Adhikarath Balan, Arun
Rauniyar, Niraj Prasad
Meganck, Jeffrey A.
Stokley, Elizabeth A.
Sukhatme, Mihir
Jain, Samriddhi
Abstract
Medical systems are described, including a medical system including a display having a user interface that includes graphical elements corresponding to a first set of medical parameters and a type of intraluminal state, and a processor configured to receive user input selecting a status or value for at least one medical parameter of the first set of medical parameters and the type of intraluminal state, determine the intraluminal state over time based on the user input, and display on the user interface a graphical representation of the intraluminal state over time.
G16H 50/50 - ICT specially adapted for medical diagnosis, medical simulation or medical data miningICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for simulation or modelling of medical disorders
G06F 3/0482 - Interaction with lists of selectable items, e.g. menus
A replacement heart valve implant includes a framework and a plurality of valve leaflets. The framework includes interconnected struts, a plurality of upper crowns, and a plurality of lower crowns. The lower crowns include a bend line extending circumferentially through each lower crown and disposed upstream of upstreammost intersections of the struts and downstream of an upstreammost extent of the lower crowns. A replacement heart valve system includes the implant and an implant delivery system including a handle and an elongate shaft assembly, wherein a distal portion of the shaft assembly includes an implant holding portion. A method of loading the implant includes positioning the implant adjacent the holding portion, positioning the lower crowns surrounding a stent holder of the delivery system, collapsing the framework such that the lower crowns extend into a groove of the stent holder, and shifting the holding portion over the implant.
A transseptal surgical system to puncture an atrial septum within a heart includes an electrosurgical crossing assembly and a controller coupled to the crossing assembly. The crossing assembly includes a crossing member coupled to a radiofrequency (RF) energy source. The crossing member includes a crossing member distal tip having a crossing member electrode to deliver the RF energy. The controller can receive an intracardiac electrogram (EGM) reading signal from the crossing member electrode, compare the EGM reading signal to at least one of aortic EGM characteristics having information to identify EGM signals emanating from the aorta and left atrial EGM characteristics having information to identify EGM signals emanating from the left atrium to determine a location of the crossing member electrode within cardiac anatomy, and generate an alert if the crossing member electrode is determined to be within the aorta.
A61B 18/00 - Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
A61B 18/12 - Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
In an embodiment, a cryoablation probe includes a shaft, where the shaft has a supply tube, a return tube surrounding the supply tube, an insulated portion, wherein a vacuum circuit runs through the insulated portion between the return tube and an insulating shaft, and an expansion chamber extending distally to the insulated portion. The probe further includes a distal tip configured to seal a distal end of the return tube. The distal tip has a tip portion extending distally from the distal end of the return tube and a plug portion configured to be inserted inside of the return tube. The probe includes a compressive element surrounding the return tube and the plug portion of the distal tip, configured to seal the distal tip to the return tube.
A61B 18/02 - Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by cooling, e.g. cryogenic techniques
Medical devices, systems, and related methods useful for facilitating navigation through patient anatomy during a medical procedure are described. The medical device may include a handle including a proximal portion, a distal portion, and a middle portion between the proximal portion and the distal portion. The distal portion may be detachable from the middle portion by complementary mating elements. An articulation mechanism may be disposed within the distal portion of the handle, and configured to control articulation of a shaft coupled to the handle. A first electronic drive assembly may be configured to drive rotation of the middle portion and the distal portion relative to the proximal portion about a first axis. A second electronic drive assembly may be configured to drive rotation of the articulation mechanism about a second axis different from the first axis.
A61B 1/00 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor
An access system for accessing a patient's vasculature includes an introducer sheath that is adapted to extend into an interior of a blood vessel through an opening formed in a wall of the blood vessel in order to provide access to the interior of the blood vessel. A deployable graft is disposed relative to the distal region of the introducer sheath. One or more positioning elements are releasably secured to the deployable graft and extend proximally therefrom such that exerting a force on the one or more positioning elements causes the deployable graft to move proximally within the interior of the blood vessel to a position in which the deployable graft spans the opening formed in the wall of the blood vessel. An outer jacket releasably secures the deployable graft in position relative to the introducer sheath.
A61B 17/00 - Surgical instruments, devices or methods
A61F 2/966 - Instruments specially adapted for placement or removal of stents or stent-grafts having an outer sleeve with relative longitudinal movement between outer sleeve and prosthesis, e.g. using a push rod
An illustrative stent may include an expandable framework with a proximal end, a distal end, and a length extending therebetween. The expandable framework of the stent may include a single filament forming one or more undulating pattern sections and one or more knitted sections. The expandable framework of the stent may further include one or more of a coating and a covering.
A61F 2/90 - Stents in a form characterised by wire-like elementsStents in a form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure
28.
INJECTABLE RADIOPAQUE CROSSLINKED HYDROGEL PARTICLE SUSPENSIONS AND METHODS OF FORMING SAME
In some aspects, the present disclosure pertains to a method of forming radiopaque crosslinked hydrogel particles comprising (a) mixing a reactive multi-arm polymer comprising a plurality of cyclic imide ester groups, a reactive multifunctional compound comprising a plurality of amino groups, and a radiocontrast agent under conditions in which a pH environment surrounding the reactive multi-arm polymer, the reactive multifunctional compound and the radiocontrast agent increases from an acidic pH to a basic pH, thereby forming a radiopaque hydrogel and (b) subjecting the hydrogel to a particle size reduction process, thereby forming the radiopaque crosslinked hydrogel particles. Other aspects of the present disclosure pertain to radiopaque crosslinked hydrogel particles formed from such methods, suspensions of such radiopaque crosslinked hydrogel particles, and medical supplies that contain such radiopaque crosslinked hydrogel particles.
A replacement heart valve implant includes a framework and a plurality of valve leaflets. The framework includes interconnected struts, a plurality of upper crowns, and a plurality of lower crowns. The lower crowns include a bend line extending circumferentially through each lower crown and disposed upstream of upstreammost intersections of the struts and downstream of an upstreammost extent of the lower crowns. A replacement heart valve system includes the implant and an implant delivery system including a handle and an elongate shaft assembly, wherein a distal portion of the shaft assembly includes an implant holding portion. A method of loading the implant includes positioning the implant adjacent the holding portion, positioning the lower crowns surrounding a stent holder of the delivery system, collapsing the framework such that the lower crowns extend into a groove of the stent holder, and shifting the holding portion over the implant.
A left atrial appendage closure (LAAC) device is adapted to pull a left atrial appendage (LAA) closed on itself. The LAAC device includes a tissue engagement structure that is adapted to engage tissue within the LAA and pull the tissue inwardly when the tissue engagement structure is driven from an initial actuation level towards a final actuation level. The LAAC device includes a drive assembly that is adapted to drive the tissue engagement structure from the initial actuation level towards the final actuation level.
A61B 17/12 - Surgical instruments, devices or methods for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels or umbilical cord
A61B 17/00 - Surgical instruments, devices or methods
A compression device having an elongated compressive element which can be looped into and adjusted to different desirable sizes around target tissue. The compressive element may be a simple suture string or the like having a distal portion looped around the target tissue and extending to a proximal end positioned outside the patient's body and graspable and manipulable by a medical professional to adjust the looped distal portion. A cinch device may be preloaded on and delivered with the compressive element to target tissue. The cinch device may be coupled with the compressive element in a manner which may facilitate maintenance of the looped configuration of the distal portion of the compressive element and/or to hold the distal portion of the compressive element in a final looped configuration applying the desired compressive force to the target tissue surrounded by the compressive element.
A61B 17/04 - Surgical instruments, devices or methods for closing wounds or holding wounds closedAccessories for use therewith for suturing woundsHolders or packages for needles or suture materials
A61B 17/12 - Surgical instruments, devices or methods for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels or umbilical cord
A61B 90/00 - Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups , e.g. for luxation treatment or for protecting wound edges
09 - Scientific and electric apparatus and instruments
42 - Scientific, technological and industrial services, research and design
Goods & Services
Recorded software for monitoring, storing, accessing,
importing, displaying and receiving imaging data obtained
during intravascular physiology procedures; recorded
software for overlaying images obtained from angiogram
devices with images obtained during intravascular physiology
procedures; recorded software for aiding in visual image
tracking during intravascular physiology procedures;
downloadable software for monitoring, storing, accessing,
importing, displaying and receiving imaging data obtained
during intravascular physiology procedures; downloadable
software for overlaying images obtained from angiogram
devices with images obtained during intravascular physiology
procedures; downloadable software for aiding in visual image
tracking during intravascular physiology procedures. Providing online non-downloadable software for monitoring,
storing, accessing, importing, displaying and receiving
imaging data obtained during intravascular physiology
procedures; providing online non-downloadable software for
overlaying images obtained from angiogram devices with
images obtained during intravascular physiology procedures;
providing online non-downloadable software for aiding in
visual image tracking during intravascular physiology
procedures.
Medical devices, systems, and related methods useful for facilitating navigation through patient anatomy during a medical procedure are described. The medical device may include a handle including a proximal portion, a distal portion, and a middle portion between the proximal portion and the distal portion. The distal portion may be detachable from the middle portion by complementary mating elements. An articulation mechanism may be disposed within the distal portion of the handle, and configured to control articulation of a shaft coupled to the handle. A first electronic drive assembly may be configured to drive rotation of the middle portion and the distal portion relative to the proximal portion about a first axis. A second electronic drive assembly may be configured to drive rotation of the articulation mechanism about a second axis different from the first axis.
A61B 1/00 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor
35.
PROVIDING INTERACTIVE INSTRUCTIONS FOR MEDICAL APPARATUS
At least some embodiments of the present disclosure are directed to systems and methods for providing interactive instructions for a medical device. In some embodiments, a method includes receiving information associated with the medical device, identifying device parameters of the medical device, causing to display a representation of the medical device associated with the device parameters of the medical device, receiving a user query related to the representation of the medical device, identifying a language of the user query, generating a device prompt based at least in part on the user query and the device parameters, and generating a query response in the identified language by applying a machine learning model, and causing to deliver the query response in the identified language.
G16H 40/63 - ICT specially adapted for the management or administration of healthcare resources or facilitiesICT specially adapted for the management or operation of medical equipment or devices for the operation of medical equipment or devices for local operation
G06F 16/38 - Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually
G10L 13/08 - Text analysis or generation of parameters for speech synthesis out of text, e.g. grapheme to phoneme translation, prosody generation or stress or intonation determination
36.
MEDICAL DEVICE SHAFTS, COMPONENTS, ASSEMBLIES, AND RELATED METHODS OF MANUFACTURING AND/OR ASSEMBLING TO PREVENT LEAKS
A medical device includes a handle including a port that includes a port lumen. The medical device includes a shaft extending from a portion of the handle. A first portion of the shaft includes a plurality of first lumens and a second lumen, and a second portion of the shaft includes only the second lumen. The second portion of the shaft is proximal to the first portion of the shaft. The medical device also includes a coupling assembly that couples a proximal end of the second portion of the shaft to the port. The coupling assembly forms a seal between the proximal end of the shaft and the port to fluidly connect the port lumen to the second lumen.
A61B 1/00 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor
A61B 1/012 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor characterised by internal passages or accessories therefor
A61B 90/00 - Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups , e.g. for luxation treatment or for protecting wound edges
37.
INJECTABLE RADIOPAQUE CROSSLINKED HYDROGEL PARTICLE SUSPENSIONS AND METHODS OF FORMING SAME
In some aspects, the present disclosure pertains to a method of forming radiopaque crosslinked hydrogel particles comprising (a) mixing a reactive multi-arm polymer comprising a plurality of cyclic imide ester groups, a reactive multifunctional compound comprising a plurality of amino groups, and a radiocontrast agent under conditions in which a pH environment surrounding the reactive multi-arm polymer, the reactive multifunctional compound and the radiocontrast agent increases from an acidic pH to a basic pH, thereby forming a radiopaque hydrogel and (b) subjecting the hydrogel to a particle size reduction process, thereby forming the radiopaque crosslinked hydrogel particles. Other aspects of the present disclosure pertain to radiopaque crosslinked hydrogel particles formed from such methods, suspensions of such radiopaque crosslinked hydrogel particles, and medical supplies that contain such radiopaque crosslinked hydrogel particles.
C08J 3/09 - Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in organic liquids
C08J 3/24 - Crosslinking, e.g. vulcanising, of macromolecules
A left atrial appendage closure (LAAC) device is adapted to pull a left atrial appendage (LAA) closed on itself. The LAAC device includes a tissue engagement structure that is adapted to engage tissue within the LAA and pull the tissue inwardly when the tissue engagement structure is driven from an initial actuation level towards a final actuation level. The LAAC device includes a drive assembly that is adapted to drive the tissue engagement structure from the initial actuation level towards the final actuation level.
Mechanical circulatory support devices with cord management systems are disclosed. An example percutaneous circulatory support device comprises a catheter including an elongate shaft and a percutaneous blood pump positioned at a distal end of the elongate shaft. A junction box is secured to the elongate shaft proximal of the percutaneous blood pump, and a clip assembly is disposed on an outer surface of the junction box.
A61M 60/13 - Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient’s body implantable via, into, inside, in line, branching on, or around a blood vessel by means of a catheter allowing explantation, e.g. catheter pumps temporarily introduced via the vascular system
A compression device having an elongated compressive element which can be looped into and adjusted to different desirable sizes around target tissue. The compressive element may be a simple suture string or the like having a distal portion looped around the target tissue and extending to a proximal end positioned outside the patient's body and graspable and manipulable by a medical professional to adjust the looped distal portion. A cinch device may be preloaded on and delivered with the compressive element to target tissue. The cinch device may be coupled with the compressive element in a manner which may facilitate maintenance of the looped configuration of the distal portion of the compressive element and/or to hold the distal portion of the compressive element in a final looped configuration applying the desired compressive force to the target tissue surrounded by the compressive element.
A61B 17/12 - Surgical instruments, devices or methods for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels or umbilical cord
A stent delivery system comprising an elongate tubular member having an outer surface and a lumen formed therein, a needle slidably disposed within the lumen of the elongate tubular member, a stent disposed on an outer surface of the needle distal of the elongate tubular member, and a suture loop attached to the distal end of the elongate member, wherein the suture loop is configured to be inserted through an opening in an outer surface of the stent to circumferentially surround the outer surface of the needle.
The present disclosure provides medical optical fibers configured to couple to medical laser systems and convey laser energy to a target. The medical optical fibers comprise a fiber core surrounded by a cladding which is further surrounded by a jacket. The overall diameter of the jacket is configured for use with conventional endoscopes, but the diameter of the fiber core is configured to convey the laser energy at power densities to cause interactions between the laser energy and the target and between the laser energy and the liquid medium in which the target is found.
A61B 18/26 - Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser the beam being directed along or through a flexible conduit, e.g. an optical fibreHand-pieces therefor for producing a shock wave, e.g. laser lithotripsy
A61B 18/00 - Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
A61B 18/22 - Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser the beam being directed along or through a flexible conduit, e.g. an optical fibreHand-pieces therefor
43.
APPARATUS FOR IMPROVED CLEANING OF MEDICAL DEVICES
Disclosed solutions relate to cleaning devices for medical devices. For example, a cleaning device for cleaning a channel of a medical device includes a rod. The cleaning device further includes a connector at a proximal end of the rod. The cleaning device further includes a flexible cleaner positioned around the rod. The cleaning device further includes a ferrule configured to removably connect with the connector. The cleaning device further includes a pull member connected to the ferrule.
A61B 1/12 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor with cooling or rinsing arrangements
44.
MEDICAL DEVICE SHAFTS, COMPONENTS, ASSEMBLIES, AND RELATED METHODS OF MANUFACTURING AND/OR ASSEMBLING TO PREVENT LEAKS
A medical device includes a handle including a port that includes a port lumen. The medical device includes a shaft extending from a portion of the handle. A first portion of the shaft includes a plurality of first lumens and a second lumen, and a second portion of the shaft includes only the second lumen. The second portion of the shaft is proximal to the first portion of the shaft. The medical device also includes a coupling assembly that couples a proximal end of the second portion of the shaft to the port. The coupling assembly forms a seal between the proximal end of the shaft and the port to fluidly connect the port lumen to the second lumen.
A61B 1/00 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor
A61B 1/015 - Control of fluid supply or evacuation
BOSTON SCIENTIFIC MEDICAL DEVICE LIMITED (Ireland)
Inventor
Williams, Jessica
Chen, Longquan
Adhikarath Balan, Arun
Rauniyar, Niraj Prasad
Meganck, Jeffrey A.
Stokley, Elizabeth A.
Sukhatme, Mihir
Jain, Samriddhi
Abstract
Medical systems are described, including a medical system including a display having a user interface that includes graphical elements corresponding to a first set of medical parameters and a type of intraluminal state, and a processor configured to receive user input selecting a status or value for at least one medical parameter of the first set of medical parameters and the type of intraluminal state, determine the intraluminal state over time based on the user input, and display on the user interface a graphical representation of the intraluminal state over time.
G16H 20/40 - ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance relating to mechanical, radiation or invasive therapies, e.g. surgery, laser therapy, dialysis or acupuncture
G16H 40/63 - ICT specially adapted for the management or administration of healthcare resources or facilitiesICT specially adapted for the management or operation of medical equipment or devices for the operation of medical equipment or devices for local operation
G16H 50/30 - ICT specially adapted for medical diagnosis, medical simulation or medical data miningICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for calculating health indicesICT specially adapted for medical diagnosis, medical simulation or medical data miningICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for individual health risk assessment
41 - Education, entertainment, sporting and cultural services
44 - Medical, veterinary, hygienic and cosmetic services; agriculture, horticulture and forestry services
Goods & Services
catheters; sheaths for catheters; Medical device system for ablating cardiac tissue comprising a pulsed electric field power source in the nature of a pulse generator, an ablation catheter, a catheter delivery system, and a deflectable sheath, provided as a unit; medical devices, namely, an implantable cardiovascular filter for the prevention of cardio-embolic events Educational services, namely, providing conferences and workshops to educate physicians and medical professionals in the fields of interventional cardiology and electrophysiology; Providing virtual training in the fields of interventional cardiology and electrophysiology via means of the Internet; providing a website featuring non-downloadable articles in the fields of interventional cardiology and electrophysiology Providing medical and healthcare information in the fields of interventional cardiology and electrophysiology
47.
CATHETER WITH RADIOFREQUENCY CUTTING TIP AND HEATED BALLOON
Methods for draining pseudocysts and stent delivery systems for use therein are disclosed. An illustrative system may include a catheter shaft having an inflatable balloon affixed to a distal end region thereof. A cutting electrode may be disposed at the distal end of the system and at least one heating electrode may be disposed within the inflatable balloon. A self expandable stent may be disposed about the inflatable balloon. The stent may be formed of a shape memory polymer. The inflation fluid may be heated within the balloon to facilitate expansion of the stent.
A61B 17/11 - Surgical instruments, devices or methods for closing wounds or holding wounds closedAccessories for use therewith for performing anastomosisButtons for anastomosis
A61B 17/00 - Surgical instruments, devices or methods
A fastening device may comprise a flexible longitudinal body including a central longitudinal axis and a distal end; an anvil extending distally from the distal end of longitudinal body; and a distal body extending distally from the distal end of the longitudinal body. The distal body may be configured to removably receive a cartridge having a plurality of fasteners. At least one of the anvil and the distal body may be flexible and may have a first configuration with a distal portion of the at least one of the anvil and the distal body extending radially outward from the central longitudinal axis and a second configuration with the distal portion closer to the central longitudinal axis than in the first configuration.
A device for treating tissue includes a flexible insertion section configured for insertion along a tortuous path to a target site within a body. The section includes a flexible outer sheath extending from a proximal end configured to remain, during use, outside the body accessible to a user of the device; and a cap extending distally from a distal end of the sheath. The cap includes a cap lumen having a proximal portion substantially aligned with and sized and shaped to match a sheath lumen of the sheath. A central portion of the lumen tapers from a maximum dimension at a proximal end open to a distal end of the proximal portion to a reduced dimension at a distal 10 end open to a proximal end of a distal portion of the lumen. An angle of taper of the central portion is between 40 and 20 degrees.
A61B 1/00 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor
A61B 17/00 - Surgical instruments, devices or methods
50.
MAPPING AND ABLATING CATHETERS USING FLEXIBLE CIRCUIT BOARDS ON SUPPORT MEMBERS
A catheter for ablating cardiac tissue through irreversible electroporation, the catheter comprising a flexible circuit having a plurality of flex circuit branches and including an outwardly-facing ablation electrode including a plurality of ablation electrode branches extending proximally along a portion of a respective one of the flex circuit branches, and a support member having a plurality of support member branches, wherein the support member includes an electrically conductive base member covered by an electrically insulative coating, wherein each of the flex circuit branches is secured to a respective one of the support member branches, and the ablation electrode is electrically coupled to the electrically conductive base member.
An elevator for a medical device may comprise an axle and a body having: a guide surface, a back surface on an opposite side of the body from the guide surface, a first side surface, and a second side surface. Each of the first side surface and the second side surface may extend between the guide surface and the back surface. The elevator may further comprise a connector extending outward from the first side surface. The connector may include a channel that is configured to receive a control member for pivoting the elevator about the axle.
A61B 1/00 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor
A61B 1/018 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor characterised by internal passages or accessories therefor for receiving instruments
A61B 1/273 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor for the upper alimentary canal, e.g. oesophagoscopes, gastroscopes
Devices, systems, and methods for an air and water valve assembly for a medical device. The valve assembly includes a valve cap and valve stem with a central lumen that fits within the internal valve well of a valve body. Two wiper seals and a one-way seal surround the valve stem. The valve stem's external diameter changes along its length in correspondence with the changing internal diameter of the valve well, such that that each of the seals extend a similar distance to obstruct gas or water as required.
A61B 1/00 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor
Devices, systems, and methods for a suction valve assembly for a medical device. The valve assembly includes a valve cap and valve stem with a central lumen that fits within the internal valve well of a valve body. The central lumen opens in the bottom of the valve stem, where the valve body connects to a source of suction. The valve is lowered to open a working channel to the source of suction. At least one, and as many as three, seals surround the valve stem to obstruct fluid flow along the side of the valve well.
A61B 1/00 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor
Boston Scientific Medical Device Limited (Ireland)
Inventor
Singh, Rajivkumar
G, Sharath Kumar
Sharma, Deepak Kumar
Gole, Nachiket
Ramos Espinoza, Rosangel Aimee
Wales, Ryan V.
Abstract
Disclosed systems relate to medical devices for delivering fluid. In an example, a device includes a catheter having a distal end and a gasket movably positioned within a lumen of the catheter. The gasket includes a distal end having a first diameter, a proximal end having a second diameter that is greater than the first diameter, and a body connecting the distal end and the proximal end. The device also includes a nozzle positioned on the distal end of the catheter.
A medical device includes a sheath, a cap coupled to a distal end of the sheath, and a connector at a proximal end of the sheath. The sheath has a first lumen and a second lumen extending from the proximal end to the distal end of the sheath. The cap defines a cavity between the distal end of the sheath and a distal wall of the cap. A distal opening extends through the distal wall of the cap. The connector is configured to provide fluid communication between: (1) a first fluid source and the first lumen, and (2) a second fluid source and the second lumen. Upon delivery of a fluid from the first lumen into the cavity and a gas from the second lumen into the cavity, an at least partially aerosolized fluid is delivered via the distal opening.
A61B 1/00 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor
Methods and systems for providing a flow of fluid to an endoscope. A water connector has source and delivery components. A disk seal positioned between the source and delivery components may move between a seated position to prevent backflow and an unseated position against a projection to allow forward flow.
A61B 1/00 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor
A61B 1/015 - Control of fluid supply or evacuation
A61B 1/12 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor with cooling or rinsing arrangements
57.
HOOK AND CROSS STENTS WITH IMPROVED CHARACTERISTICS
A stent comprises a tubular scaffold formed of a single filament that is woven to define a plurality of open cells; wherein the plurality of open cells includes a helical row of large open cells, a first helical row of small open cells, and a second helical row of small open cells; and a reinforcing filament extending substantially longitudinally along the tubular scaffold.
A61F 2/04 - Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts
A61F 2/90 - Stents in a form characterised by wire-like elementsStents in a form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure
D04B 1/22 - Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machinesFabrics or articles defined by such processes specially adapted for knitting goods of particular configuration
D06N 3/00 - Artificial leather, oilcloth, or like material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
A stent is disclosed. The stent includes a tubular scaffold extending from a first end to a second end in which the tubular scaffolding is formed of a single filament woven to form a plurality of open cells throughout the tubular scaffold. Each of the open cells may be formed as a parallelogram shape defined by two pairs of opposing linear sections of the filament and hooked sections of the filament at each apex of the plurality of open cells, wherein each of apices of the plurality of open cells includes a hooked region in which the single filament is intertwined with itself and changes weaving direction. The open cells may include first and second helical rows of small open cells, and a first helical row of large open cells positioned therebetween.
A61F 2/90 - Stents in a form characterised by wire-like elementsStents in a form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure
A stent is disclosed. The stent includes a tubular scaffold extending from a first end to a second end in which the tubular scaffold is formed of a single filament shaped to form a plurality of open cells throughout the tubular scaffold. Each of the open cells may be formed as a parallelogram shape defined by two pairs of opposing linear sections of the filament and pseudo hooked sections of the filament at each apex of the plurality of open cells, wherein each of apices of the plurality of open cells includes a pseudo hooked region in which first and second bends of the single filament overlap one another. The open cells may include first and second helical rows of small open cells, and a first helical row of large open cells positioned therebetween.
A61F 2/88 - Stents in a form characterised by wire-like elementsStents in a form characterised by a net-like or mesh-like structure the wire-like elements formed as helical or spiral coils
60.
SELF-EXPANDING STENTS WITH DEFORMABLE RETENTION MEMBERS
An implantable medical device comprising an elongated body having a first end, a second end, and a lumen extending therebetween, a saddle region defined between the first end and the second end, a retention member at the first end, the second end, or both, wherein the retention member extends substantially traverse to a longitudinal axis of the implantable medical device and is configured to deform responsive to an application of a force along a longitudinal axis of the implantable medical device.
A61F 2/848 - Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents having means for fixation to the vessel wall, e.g. barbs
A61F 2/90 - Stents in a form characterised by wire-like elementsStents in a form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure
An illustrative stent may include an expandable framework with a proximal end, a distal end, and a length extending therebetween. The expandable framework of the stent may include a single filament forming one or more undulating pattern sections and one or more knitted sections. The expandable framework of the stent may further include one or more of a coating and a covering.
A61F 2/90 - Stents in a form characterised by wire-like elementsStents in a form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure
62.
APPARATUS FOR CONTROLLING EXTENT OF EXTENSION OF A DEVICE FROM A LUMEN
A device for treating tissue includes a flexible insertion section configured for insertion along a tortuous path to a target site within a body. The section includes a flexible outer sheath extending from a proximal end configured to remain, during use, outside the body accessible to a user of the device; and a cap extending distally from a distal end of the sheath. The cap includes a cap lumen having a proximal portion substantially aligned with and sized and shaped to match a sheath lumen of the sheath. A central portion of the lumen tapers from a maximum dimension at a proximal end open to a distal end of the proximal portion to a reduced dimension at a distal end open to a proximal end of a distal portion of the lumen. An angle of taper of the central portion is between 40 and 20 degrees.
A catheter for ablating cardiac tissue through irreversible electroporation, the catheter comprising a flexible circuit having a plurality of flex circuit branches and including an outwardly-facing ablation electrode including a plurality of ablation electrode branches extending proximally along a portion of a respective one of the flex circuit branches, and a support member having a plurality of support member branches, wherein the support member includes an electrically conductive base member covered by an electrically insulative coating, wherein each of the flex circuit branches is secured to a respective one of the support member branches, and the ablation electrode is electrically coupled to the electrically conductive base member.
Systems, devices, and related methods for delivering substances to a target treatment site within a subject (e.g., patient) are described. The medical device includes a shaft including a plurality of lumens, each of the plurality of lumens including an inlet at a proximal portion of the shaft and an outlet at a distal portion of the shaft. A mixer assembly is disposed in the distal portion of the shaft and in fluid communication with the plurality of lumens. The mixer assembly includes a mixing chamber configured to receive a plurality of substances from the plurality of lumens, a piston movably disposed in the mixing chamber, and a driver operably coupled to the piston. The driver is configured to drive the piston relative to the shaft within the mixing chamber, and in turn expel the plurality of substances from the mixing chamber.
A61B 17/12 - Surgical instruments, devices or methods for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels or umbilical cord
Devices, systems, and methods for a suction valve assembly for a medical device. The valve assembly includes a valve cap and valve stem with a central lumen that fits within the internal valve well of a valve body. The central lumen opens in the bottom of the valve stem, where the valve body connects to a source of suction. The valve is lowered to open a working channel to the source of suction. At least one, and as many as three, seals surround the valve stem to obstruct fluid flow along the side of the valve well.
A61B 1/00 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor
A61B 1/015 - Control of fluid supply or evacuation
BOSTON SCIENTIFIC MEDICAL DEVICE LIMITED (Ireland)
Inventor
Singh, Rajivkumar
G, Sharath Kumar
Sharma, Deepak Kumar
Gole, Nachiket
Ramos Espinoza, Rosangel Aimee
Wales, Ryan V.
Abstract
Disclosed systems relate to medical devices for delivering fluid. In an example, a device includes a catheter having a distal end and a gasket movably positioned within a lumen of the catheter. The gasket includes a distal end having a first diameter, a proximal end having a second diameter that is greater than the first diameter, and a body connecting the distal end and the proximal end. The device also includes a nozzle positioned on the distal end of the catheter.
A61B 17/00 - Surgical instruments, devices or methods
A61M 5/00 - Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular wayAccessories therefor, e.g. filling or cleaning devices, arm rests
A61M 5/145 - Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. by means of pistons
A61M 5/315 - PistonsPiston-rodsGuiding, blocking or restricting the movement of the rodAppliances on the rod for facilitating dosing
A medical device (150) includes a sheath (152), a cap (170) coupled to a distal end of the sheath, and a connector (154) at a proximal end of the sheath. The sheath has a first lumen (152A) and a second lumen (152B) extending from the proximal end to the distal end of the sheath. The cap defines a cavity (188) between the distal end of the sheath and a distal wall (192) of the cap. A distal opening (166) extends through the distal wall of the cap. The connector is configured to provide fluid communication between: (i) a first fluid source and the first lumen, and (ii) a second fluid source and the second lumen. Upon delivery of a fluid from the first lumen into the cavity and a gas from the second lumen into the cavity, an at least partially aerosolized fluid is delivered via the distal opening.
A61M 11/00 - Sprayers or atomisers specially adapted for therapeutic purposes
B05B 7/00 - Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
A61B 17/00 - Surgical instruments, devices or methods
A61B 1/267 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor for the respiratory tract, e.g. laryngoscopes, bronchoscopes
68.
MEDICAL SYSTEMS AND DEVICES FOR CONTROLLING A DIRECTION OF FLUID FLOW
Medical devices are described including a medical device that includes a casing assembly with a first portion movably coupled to a second portion, a first fluidics channel, a second fluidics channel, a third fluidics channel, and a fourth fluidics channel. Moving the first portion relative to the second portion may transition the medical device between a first and a second configuration. In the first configuration, the first and second fluidics channels may be fluidly connected, and the third and fourth fluidics channels may be fluidly connected. In the second configuration, the first and third fluidics channels may be fluidly connected, and the second and fourth fluidics channels may be fluidly connected.
A61B 1/00 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor
A61B 1/015 - Control of fluid supply or evacuation
A61B 1/307 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor for the urinary organs, e.g. urethroscopes, cystoscopes
A61B 1/12 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor with cooling or rinsing arrangements
A replacement heart valve implant includes an expandable framework including a tubular wall comprising a plurality of interconnected struts and defining a central lumen, wherein the wall includes inflow and outflow ends, and a plurality of commissure posts. A plurality of valve leaflets is secured to the commissure posts. The framework may include a plurality of native leaflet clamps extending upstream from the outflow end, wherein the leaflet clamps are configured to pinch native leaflets of the native heart valve against the wall. The framework may include a plurality of native commissure clamps extending upstream from the commissure posts, wherein the commissure clamps are configured to pinch native commissures of the native heart valve. The framework may include a plurality of native leaflet clamps extending upstream from the commissure posts, wherein the leaflet clamps are configured to pinch native leaflets of the native heart valve against the wall.
A catheter for ablating cardiac tissue through irreversible electroporation, the catheter comprising an electrode assembly comprising a flexible circuit having a plurality of flex circuit branches extending proximally from a central hub portion, the flexible circuit further including an outwardly-facing ablation electrode including a plurality of ablation electrode branches, each of the ablation electrode branches extending proximally along a portion of a respective one of the flex circuit branches, each of the ablation electrode branches disposed on a dielectric flex circuit upper surface of the flexible circuit. A plurality of outwardly-facing spline sensing electrodes are located on each flex circuit branch; wherein one or more of the spline sensing electrodes on each flex circuit branch are disposed within a periphery of and spaced from the ablation electrode branch on the respective flex circuit branch by a gap, and wherein a dielectric coating is disposed within the gap and selectively covers portions of the ablation electrode branch and spline sensing electrode adjacent to the gap.
An endoprosthesis, such as a stent, includes a body portion extending axially from a first end to a second end along a central longitudinal axis; wherein the body portion is formed from a single wire extending from the first end to the second end and where the single wire forms a plurality of circumferential segments extending non-helically around the central longitudinal axis; and a reinforcing filament extending substantially longitudinally along the body portion.
A61F 2/88 - Stents in a form characterised by wire-like elementsStents in a form characterised by a net-like or mesh-like structure the wire-like elements formed as helical or spiral coils
An endoprosthesis includes a body portion extending from a first end to a second end along a central longitudinal axis. The body portion is formed from a single wire extending from the first end to the second end and forming a plurality of circumferential segments extending non-helically around the axis. The plurality of circumferential segments includes a first end circumferential segment forming the first end, a second end circumferential segment forming the second end, and at least one medial circumferential segment disposed between the first and second end circumferential segments. Each circumferential segment includes an undulating arrangement of first struts and second struts defining peaks and valleys, the first and second struts being disposed at first and second angles, respectively, relative to the axis in a side view of the body portion. Peaks and valleys of adjacent circumferential segments may be axially aligned with each other parallel to the axis.
A61F 2/88 - Stents in a form characterised by wire-like elementsStents in a form characterised by a net-like or mesh-like structure the wire-like elements formed as helical or spiral coils
An endoprosthesis includes a body portion extending axially from a first end to a second end. The body portion is formed from a single wire extending from the first end to the second end. The single wire forms a plurality of circumferential rings. Each circumferential ring comprises an undulating arrangement of struts defining peaks and valleys. At least one circumferential ring may include a loop formed at each peak or at each valley of the at least one circumferential ring. A loop may be formed at each peak or at each valley of each circumferential ring. A loop may be formed at each peak and at each valley of each circumferential ring.
A61F 2/88 - Stents in a form characterised by wire-like elementsStents in a form characterised by a net-like or mesh-like structure the wire-like elements formed as helical or spiral coils
A stent is disclosed. The stent includes a tubular scaffold extending from a first end to a second end in which the tubular scaffold is formed of a single filament shaped to form a plurality of open cells throughout the tubular scaffold. Each of the open cells may be formed as a parallelogram shape defined by two pairs of opposing linear sections of the filament and pseudo hooked sections of the filament at each apex of the plurality of open cells, wherein each of apices of the plurality of open cells includes a pseudo hooked region in which first and second bends of the single filament overlap one another. The open cells may include first and second helical rows of small open cells, and a first helical row of large open cells positioned therebetween.
A61F 2/90 - Stents in a form characterised by wire-like elementsStents in a form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure
75.
SELF-EXPANDING STENTS WITH DEFORMABLE RETENTION MEMBERS
An implantable medical device comprising an elongated body having a first end, a second end, and a lumen extending therebetween, a saddle region defined between the first end and the second end, a retention member at the first end, the second end, or both, wherein the retention member extends substantially traverse to a longitudinal axis of the implantable medical device and is configured to deform responsive to an application of a force along a longitudinal axis of the implantable medical device.
A61B 17/11 - Surgical instruments, devices or methods for closing wounds or holding wounds closedAccessories for use therewith for performing anastomosisButtons for anastomosis
A61F 2/90 - Stents in a form characterised by wire-like elementsStents in a form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure
A61F 2/04 - Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts
A61F 2/848 - Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents having means for fixation to the vessel wall, e.g. barbs
A61B 17/00 - Surgical instruments, devices or methods
76.
DELIVERY SYSTEMS, DEVICES, ASSEMBLIES, AND METHODS FOR HEMOSTATIC OR ADHESIVE AGENTS
Systems, devices, and related methods for delivering substances to a target treatment site within a subject (e.g., patient) are described. The medical device includes a shaft including a plurality of lumens, each of the plurality of lumens including an inlet at a proximal portion of the shaft and an outlet at a distal portion of the shaft. A mixer assembly is disposed in the distal portion of the shaft and in fluid communication with the plurality of lumens. The mixer assembly includes a mixing chamber configured to receive a plurality of substances from the plurality of lumens, a piston movably disposed in the mixing chamber, and a driver operably coupled to the piston. The driver is configured to drive the piston relative to the shaft within the mixing chamber, and in turn expel the plurality of substances from the mixing chamber.
An implantable fluid-operated device is configured to control fluid flow between a fluid reservoir and an inflatable member. The device includes: a battery configured for storing energy; a fluid reservoir configured to hold fluid; an inflatable member; first and second electronic pumps; and a controller. The first electronic pump is fluidically connected between the fluid reservoir and the inflatable member and is configured to pump fluid from the fluid reservoir to the inflatable member. The second electronic pump is fluidically connected between the fluid reservoir and the inflatable member and is configured to pump fluid from the inflatable member to the fluid reservoir. The controller is configured to synchronize a pumping of the fluid by the first electronic pump with a pumping of the fluid by the second electronic pump.
A61F 2/48 - Operating or control means, e.g. from outside the body, control of sphincters
G16H 40/63 - ICT specially adapted for the management or administration of healthcare resources or facilitiesICT specially adapted for the management or operation of medical equipment or devices for the operation of medical equipment or devices for local operation
78.
MEDICAL SYSTEMS AND DEVICES FOR CONTROLLING A DIRECTION OF FLUID FLOW
Medical devices are described including a medical device that includes a casing assembly with a first portion movably coupled to a second portion, a first fluidics channel, a second fluidics channel, a third fluidics channel, and a fourth fluidics channel. Moving the first portion relative to the second portion may transition the medical device between a first and a second configuration. In the first configuration, the first and second fluidics channels may be fluidly connected, and the third and fourth fluidics channels may be fluidly connected. In the second configuration, the first and third fluidics channels may be fluidly connected, and the second and fourth fluidics channels may be fluidly connected.
A61B 1/015 - Control of fluid supply or evacuation
A61B 1/00 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor
A distal tip of a medical device may comprise a proximal portion a distal portion. Each of a first side surface, a second side surface, a top surface, and a bottom surface may extend along the proximal portion and the distal portion and join together at a distalmost end of the distal tip. A curved shape of the distal portion may be sharper than a hemisphere.
A61B 1/00 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor
80.
MEDICAL DEVICES AND ASSEMBLIES FOR DELIVERING FLUID
Disclosed is a medical method, comprising: applying an accelerant to a target tissue via a lumen of a sheath of a medical device; flushing a remnant accelerant out of the lumen of the sheath; applying a hemostatic gel to the target tissue via the lumen of the sheath; and using a distal end of the medical device to mix the accelerant and the hemostatic gel. Applying a hemostatic gel to the target tissue comprises: injecting the hemostatic gel into the lumen of the sheath via a fluid delivery device; applying a positive pressure to the hemostatic gel within the lumen of the sheath to open a valve at a distal end of the sheath; and ceasing application of the positive pressure to the hemostatic gel within the lumen of the sheath to close the valve.
A61B 17/12 - Surgical instruments, devices or methods for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels or umbilical cord
A61B 17/00 - Surgical instruments, devices or methods
A replacement heart valve implant includes an expandable framework including a tubular wall comprising a plurality of interconnected struts and defining a central lumen, wherein the wall includes inflow and outflow ends, and a plurality of commissure posts. A plurality of valve leaflets is secured to the commissure posts. The framework may include a plurality of native leaflet clamps extending upstream from the outflow end, wherein the leaflet clamps are configured to pinch native leaflets of the native heart valve against the wall. The framework may include a plurality of native commissure clamps extending upstream from the commissure posts, wherein the commissure clamps are configured to pinch native commissures of the native heart valve. The framework may include a plurality of native leaflet clamps extending upstream from the commissure posts, wherein the leaflet clamps are configured to pinch native leaflets of the native heart valve against the wall.
A catheter for ablating cardiac tissue through irreversible electroporation, the catheter comprising an electrode assembly comprising a flexible circuit having a plurality of flex circuit branches extending proximally from a central hub portion, the flexible circuit further including an outwardly-facing ablation electrode including a plurality of ablation electrode branches, each of the ablation electrode branches extending proximally along a portion of a respective one of the flex circuit branches, each of the ablation electrode branches disposed on a dielectric flex circuit upper surface of the flexible circuit. A plurality of outwardly-facing spline sensing electrodes are located on each flex circuit branch; wherein one or more of the spline sensing electrodes on each flex circuit branch are disposed within a periphery of and spaced from the ablation electrode branch on the respective flex circuit branch by a gap, and wherein a dielectric coating is disposed within the gap and selectively covers portions of the ablation electrode branch and spline sensing electrode adjacent to the gap.
An endoprosthesis, such as a stent, includes a body portion extending axially from a first end to a second end along a central longitudinal axis; wherein the body portion is formed from a single wire extending from the first end to the second end and where the single wire forms a plurality of circumferential segments extending non-helically around the central longitudinal axis; and a reinforcing filament extending substantially longitudinally along the body portion.
A61F 2/89 - Stents in a form characterised by wire-like elementsStents in a form characterised by a net-like or mesh-like structure the wire-like elements comprising two or more adjacent rings flexibly connected by separate members
An endoprosthesis includes a body portion extending from a first end to a second end along a central longitudinal axis. The body portion is formed from a single wire extending from the first end to the second end and forming a plurality of circumferential segments extending non-helically around the axis. The plurality of circumferential segments includes a first end circumferential segment forming the first end, a second end circumferential segment forming the second end, and at least one medial circumferential segment disposed between the first and second end circumferential segments. Each circumferential segment includes an undulating arrangement of first struts and second struts defining peaks and valleys, the first and second struts being disposed at first and second angles, respectively, relative to the axis in a side view of the body portion. Peaks and valleys of adjacent circumferential segments may be axially aligned with each other parallel to the axis.
A61F 2/89 - Stents in a form characterised by wire-like elementsStents in a form characterised by a net-like or mesh-like structure the wire-like elements comprising two or more adjacent rings flexibly connected by separate members
An endoprosthesis includes a body portion extending axially from a first end to a second end. The body portion is formed from a single wire extending from the first end to the second end. The single wire forms a plurality of circumferential rings. Each circumferential ring comprises an undulating arrangement of struts defining peaks and valleys. At least one circumferential ring may include a loop formed at each peak or at each valley of the at least one circumferential ring. A loop may be formed at each peak or at each valley of each circumferential ring. A loop may be formed at each peak and at each valley of each circumferential ring.
A61F 2/88 - Stents in a form characterised by wire-like elementsStents in a form characterised by a net-like or mesh-like structure the wire-like elements formed as helical or spiral coils
A medical stent including a tubular scaffold is disclosed. The tubular scaffold is formed from a single wire extending helically from a first end to a second end along a central longitudinal axis such that the single wire forms a plurality of helical windings around the central longitudinal axis. A polymeric covering is disposed on the tubular scaffold and spans gaps between adjacent helical windings of the tubular scaffold. The stent includes a plurality of longitudinal reinforcing strips extending along the tubular scaffold parallel to the central longitudinal axis. The reinforcing strips are configured to restrict elongation of the stent by less than 5% when the stent shifts between a radially collapsed delivery configuration and a radially expanded deployed configuration.
A61F 2/88 - Stents in a form characterised by wire-like elementsStents in a form characterised by a net-like or mesh-like structure the wire-like elements formed as helical or spiral coils
A polymeric stent is adapted for placement within a body cavity to provide a primary drainage passageway and a secondary drainage passageway for the body cavity. The polymeric stent includes a polymeric tubular body including a first end region, a second end region and an intervening intermediate region. The polymeric tubular body has a remembered configuration in which the intervening intermediate region of the polymeric tubular body forms a plurality of tightly arranged helical coil windings that define the primary drainage passageway and a delivery configuration different from the remembered configuration when constrained by a delivery device.
A61F 2/88 - Stents in a form characterised by wire-like elementsStents in a form characterised by a net-like or mesh-like structure the wire-like elements formed as helical or spiral coils
A61F 2/94 - Stents retaining their form, i.e. not being deformable, after placement in the predetermined place
An access system for accessing a patient's vasculature includes an introducer sheath that is adapted to extend into an interior of a blood vessel through an opening formed in a wall of the blood vessel in order to provide access to the interior of the blood vessel. A deployable graft is disposed relative to the distal region of the introducer sheath. One or more positioning elements are releasably secured to the deployable graft and extend proximally therefrom such that exerting a force on the one or more positioning elements causes the deployable graft to move proximally within the interior of the blood vessel to a position in which the deployable graft spans the opening formed in the wall of the blood vessel. An outer jacket releasably secures the deployable graft in position relative to the introducer sheath.
A61F 2/966 - Instruments specially adapted for placement or removal of stents or stent-grafts having an outer sleeve with relative longitudinal movement between outer sleeve and prosthesis, e.g. using a push rod
A fluid management system for use in a tissue resection procedure includes a controller. An inflow pump is operated by the controller and configured to provide fluid inflow through a flow path to a site in patient's body. An outflow pump is operated by the controller and configured to provide fluid outflow through a flow path from the site in patient's body. A motor driven resecting device may be provided for resecting tissue at the site. The controller is configured to actuate an inflow pump and an outflow pump in response to various signals and various algorithms are provided to provide malfunction warnings and assure safe operation.
A61M 1/00 - Suction or pumping devices for medical purposesDevices for carrying-off, for treatment of, or for carrying-over, body-liquidsDrainage systems
A61B 17/22 - Implements for squeezing-off ulcers or the like on inner organs of the bodyImplements for scraping-out cavities of body organs, e.g. bonesSurgical instruments, devices or methods for invasive removal or destruction of calculus using mechanical vibrationsSurgical instruments, devices or methods for removing obstructions in blood vessels, not otherwise provided for
Boston Scientific Medical Device Limited (Ireland)
Inventor
Sharma, Deepak Kumar
Bhowmick, Nabarun
Raut, Shrikant Vasant
Scutti, James J.
G, Sharath Kumar
Abstract
A medical device system includes an insertion device and a medical device. The insertion device includes an insertion device handle, including a port on a handle body. The insertion device also includes an insertion device shaft extending from the insertion device handle. The insertion device shaft includes a working channel connected to the port. The medical device includes a medical device handle, including a movable handle portion and a stationary handle portion. The movable handle portion includes a ball portion movably positioned within a cavity in the stationary handle portion. The medical device also includes a medical device shaft. The medical device shaft is configured to be delivered through the port in the insertion device handle and through the working channel in the insertion device shaft. Movement of the movable handle portion relative to the stationary handle portion controls movement of a distal portion of the medical device shaft.
BOSTON SCIENTIFIC MEDICAL DEVICE LIMITED (Ireland)
BOSTON SCIENTIFIC SCIMED, INC. (USA)
Inventor
Singh, Rajivkumar
Sharma, Deepak Kumar
Smith, Paul
G, Sharath Kumar
Adhikarath Balan, Arun
Abstract
A clipping system includes an adapter, a clip and an extending member. The adapter mounted over an insertion device. The clip mounted over the adapter and includes first and second jaws connected to one another such that the jaws are movable between an insertion configuration and an initial deployed configuration. The first jaw includes a keyhole opening. The member coupled to the clip and adapter. The member includes a distal end releasably engaging the opening. The distal end has a width smaller than a width of a first portion of the opening and larger than a second portion of the opening so that, when a portion of the member proximal of the distal end is received within the second portion, the adapter is released from the clip while the member remains coupled to the clip. The member forces the clip open as the clip retracts over the adapter.
A61B 17/128 - Surgical instruments, devices or methods for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels or umbilical cord for applying or removing clamps or clips
A61B 17/00 - Surgical instruments, devices or methods
A medical assembly may comprise: a substrate configured to be disposed in a body at a distal tip of a medical device; and a position sensing system, including a magnetic field sensor mounted to the substrate. The magnetic field sensor may be configured to provide a signal that indicates a position or orientation of the distal tip of the medical device. The medical assembly may further comprise at least one camera mounted to the substrate; and at least one lighting element mounted to the substrate.
A61B 34/20 - Surgical navigation systemsDevices for tracking or guiding surgical instruments, e.g. for frameless stereotaxis
A61B 1/05 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor combined with photographic or television appliances characterised by the image sensor, e.g. camera, being in the distal end portion
A61B 5/06 - Devices, other than using radiation, for detecting or locating foreign bodies
A medical device comprising a shaft defining a first channel having a distal opening, a printed circuit board (PCB) coupled to a distal end of the shaft to expose the distal opening to an external environment, wherein the PCB includes an imager and at least one light, the imager and the at least one light mounted on a distal facing surface of the PCB, and an optically clear covering, wherein the covering covers the imager and the at least one light.
A61B 1/00 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor
A61B 1/06 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor with illuminating arrangements
94.
DEVICES, SYSTEMS, AND METHODS FOR DEFLECTABLE INSERTION DEVICES
A medical device includes a shaft extending from a proximal end to a distal portion. The shaft includes a flexible section with at least one inwardly-projecting wall and an articulation section with multiple rotatable segments attached to the distal end of the flexible section. The medical device includes at least one control member that runs through the shaft, and at least one Bowden cable surrounding the control member in the flexible section. The Bowden cable terminates at an inwardly-projecting wall near the distal portion.
An elevator for a medical device may comprise an axle and a body having: a guide surface, a back surface on an opposite side of the body from the guide surface, a first side surface, and a second side surface. Each of the first side surface and the second side surface may extend between the guide surface and the back surface. The elevator may further comprise a connector extending outward from the first side surface. The connector may include a channel that is configured to receive a control member for pivoting the elevator about the axle.
A61B 1/00 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor
Devices, systems, and methods for an air and water valve assembly for a medical device. The valve assembly includes a valve cap and valve stem with a central lumen that fits within the internal valve well of a valve body. Two wiper seals and a one-way seal surround the valve stem. The valve stem's external diameter changes along its length in correspondence with the changing internal diameter of the valve well, such that that each of the seals extend a similar distance to obstruct gas or water as required.
A61B 1/00 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor
A61B 1/015 - Control of fluid supply or evacuation
A mechanical circulatory support system may include a blood pump, an elongate shaft, a first sheath, and a second sheath. The elongate shaft may be coupled with the blood pump and extend proximally from the blood pump. The first sheath may extend over the elongate shaft and include a lumen with an inner diameter. The second sheath may extend over the elongate shaft and include an outer diameter that is less than the inner diameter of the lumen of the first sheath. The first sheath and the second sheath are configured to longitudinally adjust over the elongate shaft and one or both of the first sheath and the second sheath may include a flexible portion configured to extend through a vascular access site when a more rigid distal portion is in of the sheath is in a blood vessel.
A61M 60/13 - Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient’s body implantable via, into, inside, in line, branching on, or around a blood vessel by means of a catheter allowing explantation, e.g. catheter pumps temporarily introduced via the vascular system
A61M 60/174 - Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient’s body implantable in, on, or around the heart inside a ventricle, e.g. intraventricular balloon pumps discharging the blood to the ventricle or arterial system via a cannula internal to the ventricle or arterial system
A61M 60/865 - Devices for guiding or inserting pumps or pumping devices into the patient’s body
98.
MEDICAL DEVICE DELIVERY SYSTEMS, AND ASSOCIATED DEVICES AND METHODS
BOSTON SCIENTIFIC MEDICAL DEVICE LIMITED (Ireland)
BOSTON SCIENTIFIC SCIMED, INC. (USA)
Inventor
Sharma, Deepak Kumar
G., Sharath Kumar
Morey, Subodh
Weitzner, Barry
Corbeil, Scott
Scutti, James
Abstract
A system for delivering a delivery device, mounted on an elongate member such as a medical scope, to a target site within a patient's body. The delivery device is separable from the elongate member to be movable fully independently of the elongate member, and may be selectively anchored with respect to tissue. The delivery device may include a scaffold system with one or more expandable elements which engage the delivery device with the exterior of the elongate member or with tissue within the patient's body. The delivery device may be configured to deliver an auxiliary medical device. A medical device may be delivered by the elongate member and may interact with the auxiliary medical device delivered by the delivery device.
A61B 1/00 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor
A61B 17/02 - Surgical instruments, devices or methods for holding wounds open, e.g. retractorsTractors
A61M 25/04 - Holding devices, e.g. on the body in the body, e.g. expansible
A distal tip of a medical device may comprise a proximal portion a distal portion. Each of a first side surface, a second side surface, a top surface, and a bottom surface may extend along the proximal portion and the distal portion and join together at a distalmost end of the distal tip. A curved shape of the distal portion may be sharper than a hemisphere.
A61B 1/00 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopesIlluminating arrangements therefor
Disclosed is a medical method, comprising: applying an accelerant to a target tissue via a lumen of a sheath of a medical device; flushing a remnant accelerant out of the lumen of the sheath; applying a hemostatic gel to the target tissue via the lumen of the sheath; and using a distal end of the medical device to mix the accelerant and the hemostatic gel. Applying a hemostatic gel to the target tissue comprises: injecting the hemostatic gel into the lumen of the sheath via a fluid delivery device; applying a positive pressure to the hemostatic gel within the lumen of the sheath to open a valve at a distal end of the sheath; and ceasing application of the positive pressure to the hemostatic gel within the lumen of the sheath to close the valve.
