A guidewire clamping device system that includes a handle with a body that defines a lumen that extends from a proximal end of the handle to a distal end of the handle. The distal end of the handle comprising a coupling member. The system further includes a collar that defines a lumen that extends from a proximal end to a distal end of the collar. The collar is configured to couple to the distal end of the handle. The system further includes a collet that includes a body with a tubular section with a lumen, and a plurality of ramps that are flared outward from the tubular section in an unconstrained state. The collet is disposed within a lumen of the handle and the collar. The collar is coupled to the handle which biases the plurality of ramps of the collet inward to a constrained state.
Medical appliances may be formed of multilayered constructs. The layers of the constructs may be configured with various physical properties or characteristics. The disposition and arrangement of each layer may be configured to create an overall construct with a combination of the individual properties of the layers. Constructs may be used to create vascular prostheses or other medical devices.
A61F 2/915 - 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 made from perforated sheets or tubes, e.g. perforated by laser cuts or etched holes with bands having a meander structure, adjacent bands being connected to each other
A guidewire clamping device system that includes a handle with a body that defines a lumen that extends from a proximal end of the handle to a distal end of the handle. The distal end of the handle comprising a coupling member. The system further includes a collar that defines a lumen that extends from a proximal end to a distal end of the collar. The collar is configured to couple to the distal end of the handle. The system further includes a collet that includes a body with a tubular section with a lumen, and a plurality of ramps that are flared outward from the tubular section in an unconstrained state. The collet is disposed within a lumen of the handle and the collar. The collar is coupled to the handle which biases the plurality of ramps of the collet inward to a constrained state.
Medical appliances may be formed of multilayered constructs. The layers of the constructs may be configured with various physical properties or characteristics. The disposition and arrangement of each layer may be configured to create an overall construct with a combination of the individual properties of the layers. Constructs may be used to create vascular prostheses or other medical devices.
Endovascular prostheses used to treat diseased blood vessels, such as arteries, are disclosed. In some embodiments, the endovascular prosthesis is configured to be implanted within the diseased blood vessels adjacent a diseased section. The endovascular prosthesis may include a selectively openable internal duct configured to sealingly receive an expandable endovascular prosthesis that extends into a side branch vessel of the diseased blood vessel.
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 2/95 - Instruments specially adapted for placement or removal of stents or stent-grafts
Prosthesis deployment devices and methods of a deploying a prosthesis are disclosed herein. In some embodiments, a prosthesis deployment device includes an elongate delivery catheter assembly and a housing assembly. The elongate delivery catheter assembly is configured for electrosurgery and also configured to retain and deploy a prosthesis from a distal region of the delivery catheter assembly. The distal region of the delivery catheter assembly includes a tip electrode and a distal marker configured to provide endoscopic visibility of the distal region during use and spaced from the tip electrode. The housing assembly operably coupled to the delivery catheter assembly and configured to connect to an electrosurgical power generator. The housing assembly comprises an actuator configured to displace a portion of the delivery catheter assembly to deploy the prosthesis, upon actuation.
A61F 2/95 - Instruments specially adapted for placement or removal of stents or stent-grafts
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
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 8/12 - Diagnosis using ultrasonic, sonic or infrasonic waves in body cavities or body tracts, e.g. by using catheters
A medical appliance or prosthesis may comprise one or more layers of rotational spun nanofibers, including rotational spun polymers. The rotational spun material may comprise layers including layers of polytetrafluoroethylene (PTFE). Rotational spun nanofiber mats of certain porosities may permit tissue ingrowth into or attachment to the prosthesis. Additionally, one or more cuffs may be configured to allow tissue ingrowth to anchor the prosthesis.
B32B 38/00 - Ancillary operations in connection with laminating processes
A61F 2/00 - Filters implantable into blood vesselsProstheses, i.e. artificial substitutes or replacements for parts of the bodyAppliances for connecting them with the bodyDevices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
A61F 2/82 - Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
A61F 2/852 - Two or more distinct overlapping stents
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 2/89 - 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
A61L 31/14 - Materials characterised by their function or physical properties
B05D 1/00 - Processes for applying liquids or other fluent materials
C09D 127/18 - Homopolymers or copolymers of tetrafluoroethene
D01D 5/18 - Formation of filaments, threads, or the like by means of rotating spinnerets
D01F 6/12 - Monocomponent man-made filaments or the like of synthetic polymersManufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polymers of halogenated hydrocarbons from polymers of fluorinated hydrocarbons
Medical appliances may be formed of multilayered constructs. The layers of the constructs may be configured with various physical properties or characteristics. The disposition and arrangement of each layer may be configured to create an overall construct with a combination of the individual properties of the layers. Constructs may be used to create vascular prostheses or other medical devices.
A61F 2/915 - 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 made from perforated sheets or tubes, e.g. perforated by laser cuts or etched holes with bands having a meander structure, adjacent bands being connected to each other
A61F 2/945 - Stents retaining their form, i.e. not being deformable, after placement in the predetermined place hardenable, e.g. stents formed in situ
A61L 27/18 - Macromolecular materials obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
A61L 27/50 - Materials characterised by their function or physical properties
A61L 31/06 - Macromolecular materials obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
A tissue displacing and fastening device is provided for manipulating and fastening tissue together. The device includes a tissue displacing elements, which displaces tissue. A fold is formed from the displaced tissue and the tissue is fastened together to secure the fold.
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
11.
TRANSLUMINAL DELIVERY DEVICES AND RELATED KITS AND METHODS
Prosthesis deployment devices and methods of a deploying a prosthesis are disclosed herein. In some embodiments, a method of deploying a prosthesis includes advancing a tip of a delivery catheter assembly positioned at a distal region of the delivery catheter assembly into one or more target structures, aligning an alignment indicator in the distal region of the delivery catheter assembly with a proximal surface of a proximal target structure of the one or more target structures, after the alignment indicator is aligned with the proximal surface of the proximal target structure actuating an actuator of a housing assembly operably connected to the delivery catheter assembly and thereby deploying a distal end of the prosthesis in the patient, and actuating the actuator of the housing assembly and thereby deploying a proximal end of the prosthesis in the patient.
Prosthesis deployment devices and methods of a deploying a prosthesis are disclosed herein. In some embodiments, a prosthesis deployment device includes an elongate delivery catheter assembly and a housing assembly. The elongate delivery catheter assembly is configured for electrosurgery and also configured to retain and deploy a prosthesis from a distal region of the delivery catheter assembly. The distal region of the delivery catheter assembly includes a tip electrode and a distal marker configured to provide endoscopic visibility of the distal region during use and spaced from the tip electrode. The housing assembly operably coupled to the delivery catheter assembly and configured to connect to an electrosurgical power generator. The housing assembly comprises an actuator configured to displace a portion of the delivery catheter assembly to deploy the prosthesis, upon actuation.
Medical devices and accessories used in interventional procedures, namely, stents, stent delivery devices, catheters, inflation devices, guide wires, and stent measurement devices; Medical devices for intragastric surgery
A61M 25/01 - Introducing, guiding, advancing, emplacing or holding catheters
A61B 5/06 - Devices, other than using radiation, for detecting or locating foreign bodies
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 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
Stents may be deployed within a patient, such as in a lung of a patient, by inserting a stent deployment device through a channel (such as a channel of a bronchoscope) and then deploying the stent via manipulation of the stent deployment device. The stents may include one or more features that facilitate or enable positioning of the stent at a location that is distal of the right bronchus or the left bronchus. Related devices, systems, and methods are also disclosed.
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
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 2/915 - 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 made from perforated sheets or tubes, e.g. perforated by laser cuts or etched holes with bands having a meander structure, adjacent bands being connected to each other
A61F 2/962 - Instruments specially adapted for placement or removal of stents or stent-grafts having an outer sleeve
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 example pressure sensor comprises a die. The die comprises at least one lateral section and a diaphragm extending between opposing portions of the lateral section. The lateral section and the diaphragm define a top surface and the lateral section define a bottom surface opposite the top surface. The lateral section and the diaphragm partially define a first cavity. The pressure sensor further comprises a top glass layer positioned adjacent to a portion of the top surface. The top glass layer partially defines a second cavity adjacent to the diaphragm. The pressure sensor also comprises a polysilicon layer between the top glass layer and a corresponding portion of the top surface. The polysilicon layer couples the top glass layer to the die.
G01L 9/00 - Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by electric or magnetic pressure-sensitive elementsTransmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
G01L 9/06 - Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by electric or magnetic pressure-sensitive elementsTransmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means by making use of variations in ohmic resistance, e.g. of potentiometers of piezo-resistive devices
An example pressure sensor comprises a die. The die comprises at least one lateral section and a diaphragm extending between opposing portions of the lateral section. The lateral section and the diaphragm define a top surface and the lateral section define a bottom surface opposite the top surface. The lateral section and the diaphragm partially define a first cavity. The pressure sensor further comprises a top glass layer positioned adjacent to a portion of the top surface. The top glass layer partially defines a second cavity adjacent to the diaphragm. The pressure sensor also comprises a polysilicon layer between the top glass layer and a corresponding portion of the top surface. The polysilicon layer couples the top glass layer to the die.
G01L 9/00 - Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by electric or magnetic pressure-sensitive elementsTransmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
Medical devices for delivering a plug to a void within a patient. The medical device can include a fluid delivery device and a plug holder (e.g., a plug delivery device) coupled to a distal end of the fluid delivery device. The medical device may be configured such that the delivery of fluid from the fluid delivery device wets the plug, ejects the plug from the plug holder, and pushes the plug through a lumen of an elongate tube to a void within a patient.
A61B 17/00 - Surgical instruments, devices or methods
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 tissue displacing and fastening device is provided for manipulating and fastening tissue together. The device includes a tissue displacing elements, which displaces tissue. A fold is formed from the displaced tissue and the tissue is fastened together to secure the fold.
A61B 17/072 - Surgical staplers for applying a row of staples in a single action, e.g. the staples being applied simultaneously
A61B 17/11 - Surgical instruments, devices or methods for closing wounds or holding wounds closedAccessories for use therewith for performing anastomosisButtons for anastomosis
A61B 17/29 - Forceps for use in minimally invasive surgery
A61B 17/30 - Surgical pincettes, i.e. surgical tweezers
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
Stents described herein can comprise a tubular body having a midbody that extends to a first end and also extends to an opposing second end. The midbody can include a helical thread arranged along at least a portion of its length. The helical thread includes a plurality of turns with an interthread space disposed between the turns. The stent is formed from a plurality of wires woven or braided to form a mesh structure and a twisted wire structure. The twisted wire structure includes one or more pairs of wires longitudinally twisted together. The twisted wire structure can be disposed at one or more of the interthread space, the first end, and the second end.
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 2/95 - Instruments specially adapted for placement or removal of stents or stent-grafts
23.
WOVEN BRAID PATTERN FOR STENTS AND RELATED METHODS
Stents described herein can comprise a tubular body having a midbody that extends to a first end and also extends to an opposing second end. The midbody can include a helical thread arranged along at least a portion of its length. The helical thread includes a plurality of turns with an interthread space disposed between the turns. The stent is formed from a plurality of wires woven or braided to form a mesh structure and a twisted wire structure. The twisted wire structure includes one or more pairs of wires longitudinally twisted together. The twisted wire structure can be disposed at one or more of the interthread space, the first end, and the second end.
A61F 2/82 - Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
A61F 2/86 - Stents in a form characterised by wire-like elementsStents in a form characterised by a net-like or mesh-like structure
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 2/90 - 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
Devices and methods used to obtain a core tissue samples are disclosed. The devices may be configured to drill into cortical bone and saw a hole into a bone lesion and/or bone marrow while obtaining the core tissue sample. The devices can include a motor and a transmission configured to rotate a trocar having a tip configured for drilling and an outer coax cannula having a cutting tip configured for sawing.
The present disclosure describes systems and methods of forming a continuous reinforced catheter shaft having multiple wire frames. A method includes providing of a first spool having a liner rolled thereon and unrolling at least a portion of the liner from the first spool. The method also includes coiling a reinforcing wire on at least the portion of the liner unrolled from the first spool to form a plurality of coiled wire frames and an interim portion of the reinforcing wire coiled adjacent coiled wire frames. The method also includes securing a jacket over the plurality of coiled wire frames and the interim portion of the reinforcing wire coiled to form a continuous shaft having the plurality of coiled wire frames.
Medical apparatus and instruments for use in embolization surgery; medical device for embolization therapy in interventional radiology and oncology; embolic devices for interventional radiology, namely, interventional oncology and peripheral hemostasis; medical device for vascular embolization procedures; medical device used for embolization of vascular lesions, tumors, targeted arterial segments of hypervascular tumors, control of bleeding due to disease or trauma, organs and segmental embolizations; medical devices, namely, syringes and delivery catheters for the delivery of embolic agents delivered through a microcatheter under fluoroscopic control
29.
SYSTEMS AND METHODS OF ANNEALING SEGMENTS OF A REINFORCING COIL OF A CATHETER SHAFT
The present disclosure describes systems and methods of annealing segment of a reinforcing coil of a catheter shaft. A method includes providing a liner and annealing a segment of a reinforcing wire such that the segment is between two unannealed regions of the reinforcing wire. The method also includes, after annealing the segment of the reinforcing wire, coiling the reinforcing wire over the liner to form a wire frame having a distal portion and a proximal portion. The wire is disposed more densely in the distal portion than in the proximal portion, and the segment of the reinforcing wire that is annealed is at least proximate to the distal portion of the wire frame. The method also includes securing a jacket over the wire frame and the liner.
The present disclosure describes systems and methods of forming a continuous reinforced catheter shaft having multiple wire frames. A method includes providing of a first spool having a liner rolled thereon and unrolling at least a portion of the liner from the first spool. The method also includes coiling a reinforcing wire on at least the portion of the liner unrolled from the first spool to form a plurality of coiled wire frames and an interim portion of the reinforcing wire coiled adjacent coiled wire frames. The method also includes securing a jacket over the plurality of coiled wire frames and the interim portion of the reinforcing wire coiled to form a continuous shaft having the plurality of coiled wire frames.
The present disclosure describes systems and methods of annealing segment of a reinforcing coil of a catheter shaft. A method includes providing a liner and annealing a segment of a reinforcing wire such that the segment is between two unannealed regions of the reinforcing wire. The method also includes, after annealing the segment of the reinforcing wire, coiling the reinforcing wire over the liner to form a wire frame having a distal portion and a proximal portion. The wire is disposed more densely in the distal portion than in the proximal portion, and the segment of the reinforcing wire that is annealed is at least proximate to the distal portion of the wire frame. The method also includes securing a jacket over the wire frame and the liner.
Medical devices, namely vascular stents, balloon dilation
catheters, guidewires, and snares; medical devices, namely
vascular stent systems comprised of vascular stents and
delivery devices sold as a unit.
Surgical and medical apparatus and instruments for use in general surgery; medical needles and introducers; medical dilators; medical guidewires and parts and fittings therefor
34.
SYSTEMS, METHODS, AND APPARATUS FOR EXTERNAL CARDIAC PACING
Systems and methods for cardiac pacing during a procedure are disclosed and may include an external pulse generator (EPG) for connecting to a lead. A remote-control module (RCM) wirelessly connected to the EPG may include user inputs to control the EPG. A central processing unit (CPU) with a memory unit for storing code and a processor for executing the code may be included where the CPU is connected to the EPG and RCM. The code may control the EPG in response to user input from the RCM. The CPU may be disposed in the EPG or the RCM, or an interface module (IM) configured to communicate between an otherwise conventional EPG and the RCM. The executable code may perform a continuity test (CT) routine, a capture check (CC) routine, rapid pacing (RP) routine, and/or a back-up pacing (BP) routine, in response to user input from the RCM.
G16H 40/67 - 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 remote operation
Hemostasis valve devices and methods of use are disclosed. The hemostasis valve devices include a body member, a side-arm, a valve member, and a valve cap. The body member includes a body bore extending therethrough. The body bore includes a proximal bore portion in fluid communication a side-arm bore. In one embodiment, a fluid flow insert is disposed within the body bore in fluid communication with the side-arm bore and the proximal bore portion to direct flushing or priming fluid injected through the fluid flow insert into the proximal bore portion in a circular, spiral, or swirling flow path to remove entrapped air bubbles from the proximal bore portion.
Hemostasis valve devices and methods of use are disclosed. The hemostasis valve devices include a body member, a side-arm, a valve member, and a valve cap. The body member includes a body bore extending therethrough. The body bore includes a proximal bore portion in fluid communication a side-arm bore. In one embodiment, a fluid flow insert is disposed within the body bore in fluid communication with the side-arm bore and the proximal bore portion to direct flushing or priming fluid injected through the fluid flow insert into the proximal bore portion in a circular, spiral, or swirling flow path to remove entrapped air bubbles from the proximal bore portion.
Systems and method for ambulatory cardiac pacing are provided. A method may include providing an implantable medical device and a medical lead and inserting the medical lead into a vein of a patient and securing the holder adjacent to an insertion site of the medical lead. The method may include selecting a pacing algorithm from among a first pacing algorithm configured to provide intermittent pacing support and a second pacing algorithm configured to provide continuous pacing support, for execution by the implantable medical device.
Electrical sensing/stimulation apparatuses for positioning at least one electrode within body tissue are provided. An electrical sensing/stimulation apparatus may comprise an elongate lead body having at least one internal lumen, at least one sensing/stimulation electrode, a deployable/retractable displacement member that moves or biases at least one electrode towards a prescribed direction by the user, a tissue attachment mechanism for affixing the distal segment of the device to body tissue, and an atraumatic distal lead body termination. In a retracted configuration, the attachment mechanism is positioned substantially within the distal segment of the lead body, and in the deployed configuration, the attachment mechanism extends from the axis of the lead body to engage body tissue.
A61B 5/287 - Holders for multiple electrodes, e.g. electrode catheters for electrophysiological study [EPS]
A61B 5/29 - Invasive for permanent or long-term implantation
A61B 6/12 - Arrangements for detecting or locating foreign bodies
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 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
A61N 1/36 - Applying electric currents by contact electrodes alternating or intermittent currents for stimulation, e.g. heart pace-makers
39.
APPARATUSES AND METHODS FOR EXPANDABLE BRANCHING STENT PROSTHESES
Expandable branching stent prostheses and methods of deployment for the same are discussed herein. A deployment system includes an expandable branching stent prosthesis having a trunk portion, a first branching portion, and a second branching portion. The deployment system also includes a first balloon disposed within the first branching portion and the trunk portion, the first balloon being configured to inflate to deploy the first branching portion and the trunk portion of the expandable branching stent prosthesis. The deployment system also includes a second balloon disposed within the second branching portion and configured to inflate to deploy the second branching portion of the expandable branching stent prosthesis.
A61F 2/958 - Inflatable balloons for placing stents or stent-grafts
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
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
The present disclosure illustrates an introducer sheath with a partially annealed metal frame. The introducer sheaths described herein include a hub coupled to a shaft. The shaft comprises a braided wire frame with (i) an annealed distal portion that prevents the braided wire frame from unraveling at a distal end, and (ii) a second portion that is unannealed; a jacket encompassing the braided wire frame; and a liner forming an inner wall.
Devices used to treat tissue, including treatment of vertebral bone fractures, are disclosed. The devices may be configured to displace bone tissue using an expandable member, such as a balloon. The devices may further include a handle having a rotatable grip configured to apply a tension force to a plurality of pull wires to articulate a distal portion of the devices.
Stents are disclosed herein. The stents described herein can comprise a hollow cylindrical body in which a middle region extends to a first end and also extends to an opposing second end. The first end and the second end can each comprise a plurality of flanges, within which the flanges can have either similar or different characteristics, particularly physical profiles.
A61F 2/04 - Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts
A61F 2/00 - Filters implantable into blood vesselsProstheses, i.e. artificial substitutes or replacements for parts of the bodyAppliances for connecting them with the bodyDevices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
A catheter delivery system is disclosed. The system includes a sheath having a bend disposed proximal to a distal end, a pigtail dilator having a loop portion in the shape of a pigtail disposed proximal to a distal end, and a straight dilator. The pigtail dilator comprises a reinforcement member disposed in a proximal portion of the pigtail dilator. The sheath comprises a plurality of sections, each section has a different stiffness. A diameter of the loop portion is smaller than a diameter of an aortic valve and larger than a cusp of the aortic valve. The sheath and pigtail dilator are percutaneously inserted together into a blood vessel without an exchange procedure and advanced together into the left ventricle of a heart through the aortic valve without an exchange procedure.
A catheter delivery system is disclosed. The system includes a sheath having a bend disposed proximal to a distal end, a pigtail dilator having a loop portion in the shape of a pigtail disposed proximal to a distal end, and a straight dilator. The pigtail dilator comprises a reinforcement member disposed in a proximal portion of the pigtail dilator. The sheath comprises a plurality of sections, each section has a different stiffness. A diameter of the loop portion is smaller than a diameter of an aortic valve and larger than a cusp of the aortic valve. The sheath and pigtail dilator are percutaneously inserted together into a blood vessel without an exchange procedure and advanced together into the left ventricle of a heart through the aortic valve without an exchange procedure.
Transluminal stents are disclosed herein. In some embodiments stents within the scope of this disclosure may comprise a first flared end, second flared end, and a middle region disposed between the first and second flared ends. The middle region may comprise a concave, curvilinear shape. The middle region may include a first portion, a second portion, and a circumferential ridge disposed between the first and second portions. The first flared end may include a first inner shoulder extending between the middle region and a first crest, a first opening, and a first outer taper extending between the first crest and the first opening. Methods of using the transluminal stents are also disclosed herein.
A61F 2/82 - Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
A61F 2/86 - Stents in a form characterised by wire-like elementsStents in a form characterised by a net-like or mesh-like structure
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 2/848 - 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
Transluminal stents are disclosed herein. In some embodiments stents within the scope of this disclosure may comprise a first flared end, second flared end, and a middle region disposed between the first and second flared ends. The middle region may comprise a concave, curvilinear shape. The middle region may include a first portion, a second portion, and a circumferential ridge disposed between the first and second portions. The first flared end may include a first inner shoulder extending between the middle region and a first crest, a first opening, and a first outer taper extending between the first crest and the first opening. Methods of using the transluminal stents are also disclosed herein.
The present disclosure illustrates introducer sheath assemblies, and related systems and methods of use. An introducer sheath assembly may include a hub, a cap, an elastomeric member, and a sheath. The elastomeric member may have an hourglass shape disposed in a proximal portion of a lumen of the hub and that is deformable responsive to movement of the cap.
The present disclosure illustrates introducer sheath assemblies, and related systems and methods of use. An introducer sheath assembly may include a hub, a cap, an elastomeric member, and a sheath. The elastomeric member may have an hourglass shape disposed in a proximal portion of a lumen of the hub and that is deformable responsive to movement of the cap.
Dual-wire lumen systems and methods of deployment for the same are discussed herein. Methods for deployment of dual-wire lumen systems include inserting a dilator system through a first branching portion of a branching stent prosthesis which includes the first and a second branching portions and a trunk portion. The dilator system includes a dilator and a first guidewire. The method further includes directing the dilator system towards an intersection between the first branching portion, the second branching portion, and the trunk portion of the branching stent prosthesis and advancing a distal end of the dilator toward the second branching portion. The method further includes advancing, at the intersection, a distal end of the first guidewire along the trunk portion through a port located on a sidewall of the dilator. The method further includes retracting the dilator through the first branching portion.
Dual-wire lumen systems and methods of deployment for the same are discussed herein. Methods for deployment of dual-wire lumen systems include inserting a dilator system through a first branching portion of a branching stent prosthesis which includes the first and a second branching portions and a trunk portion. The dilator system includes a dilator and a first guidewire. The method further includes directing the dilator system towards an intersection between the first branching portion, the second branching portion, and the trunk portion of the branching stent prosthesis and advancing a distal end of the dilator toward the second branching portion. The method further includes advancing, at the intersection, a distal end of the first guidewire along the trunk portion through a port located on a sidewall of the dilator. The method further includes retracting the dilator through the first branching portion.
Stents as described herein can comprise a tubular body in which a midbody extends to a first end and also extends to an opposing second end, where the midbody includes a thread arranged helically along at least a portion of its length. The thread can exhibit various shapes and dimensions selected to enhance particular aspects of performance when the stent placed in an anatomical structure of a patient.
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 2/04 - 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
Medical devices for delivering a plug to a void within a patient. The medical device can include a fluid delivery device and a plug holder (e.g., a plug delivery device) coupled to a distal end of the fluid delivery device. The medical device may be configured such that the delivery of fluid from the fluid delivery device wets the plug, ejects the plug from the plug holder, and pushes the plug through a lumen of an elongate tube to a void within a patient.
A61B 17/00 - Surgical instruments, devices or methods
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
Embodiments of a steerable device, and methods for using said device, for introducing medical devices into a patient's body is disclosed. The device may be inserted into a patient's body in a linear configuration, transitioned into an articulated configuration and then used to traverse to a precise location. The device may be articulated into a variety of configurations via an actuation portion of the handle.
Devices, systems, and methods used to grasp and retrieve a target foreign body or object from a body lumen are disclosed. The devices include a slide actuator, a catheter operably coupled to the slide actuator, and a grasping member in a fixed position relative to the slide actuator. The slide actuator can axially displace the catheter relative to the grasping member to transition the grasping member from an open state to a closed or grasping state. The slide actuator can be locked in the closed state to retrieve the target foreign object from the patient's body.
A61B 17/29 - Forceps for use in minimally invasive surgery
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
Embodiments of a steerable device, and methods for using said device, for introducing medical devices into a patient's body is disclosed. The device may be inserted into a patient's body in a linear configuration, transitioned into an articulated configuration and then used to traverse to a precise location. The device may be articulated into a variety of configurations via an actuation portion of the handle.
Devices, systems, and methods used to grasp and retrieve a target foreign body or object from a body lumen are disclosed. The devices include a slide actuator, a catheter operably coupled to the slide actuator, and a grasping member in a fixed position relative to the slide actuator. The slide actuator can axially displace the catheter relative to the grasping member to transition the grasping member from an open state to a closed or grasping state. The slide actuator can be locked in the closed state to retrieve the target foreign object from the patient's body.
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
59.
FENESTRATED VASCULAR AORTIC REPAIR STENT, SYSTEMS, AND METHODS
Endovascular prostheses used to treat diseased blood vessels, such as arteries, are disclosed. In some embodiments, an endovascular prosthesis is configured to be implanted within a diseased blood vessel adjacent a diseased section. The endovascular prosthesis may include a fenestration tube through which a guidewire extends in a sealed configuration. The fenestration tube can be selectively openable and configured to sealingly receive an expandable endovascular prosthesis that extends into a side branch vessel of the diseased blood vessel.
A61F 2/00 - Filters implantable into blood vesselsProstheses, i.e. artificial substitutes or replacements for parts of the bodyAppliances for connecting them with the bodyDevices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
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
60.
FENESTRATED VASCULAR AORTIC REPAIR STENT DEPLOYMENT DEVICES, SYSTEMS, AND METHODS
Endovascular prostheses used to treat diseased blood vessels, such as arteries, are disclosed. In some embodiments, an endovascular prosthesis is configured to be implanted within a diseased blood vessel adjacent a diseased section. The endovascular prosthesis may include a fenestration tube through which a guidewire extends in a sealed configuration. The fenestration tube can be selectively openable and configured to sealingly receive an expandable endovascular prosthesis that extends into a side branch vessel of the diseased blood vessel.
Endovascular prostheses used to treat diseased blood vessels, such as arteries, are disclosed. In some embodiments, an endovascular prosthesis is configured to be implanted within a diseased blood vessel adjacent a diseased section. The endovascular prosthesis may include a fenestration tube through which a guidewire extends in a sealed configuration. The fenestration tube can be selectively openable and configured to sealingly receive an expandable endovascular prosthesis that extends into a side branch vessel of the diseased blood vessel.
A61F 2/915 - 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 made from perforated sheets or tubes, e.g. perforated by laser cuts or etched holes with bands having a meander structure, adjacent bands being connected to each other
A61F 2/82 - Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
A61F 2/852 - Two or more distinct overlapping stents
A61F 2/95 - Instruments specially adapted for placement or removal of stents or stent-grafts
A61L 27/16 - Macromolecular materials obtained by reactions only involving carbon-to-carbon unsaturated bonds
A61L 27/18 - Macromolecular materials obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
62.
FENESTRATED VASCULAR AORTIC REPAIR STENT, SYSTEMS, AND METHODS
Endovascular prostheses used to treat diseased blood vessels, such as arteries, are disclosed. In some embodiments, an endovascular prosthesis is configured to be implanted within a diseased blood vessel adjacent a diseased section. The endovascular prosthesis may include a fenestration tube through which a guidewire extends in a sealed configuration. The fenestration tube can be selectively openable and configured to sealingly receive an expandable endovascular prosthesis that extends into a side branch vessel of the diseased blood vessel.
Endovascular prostheses used to treat diseased blood vessels, such as arteries, are disclosed. In some embodiments, an endovascular prosthesis is configured to be implanted within a diseased blood vessel adjacent a diseased section. The endovascular prosthesis may include a fenestration tube through which a guidewire extends in a sealed configuration. The fenestration tube can be selectively openable and configured to sealingly receive an expandable endovascular prosthesis that extends into a side branch vessel of the diseased blood vessel.
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
64.
FENESTRATED VASCULAR AORTIC REPAIR STENT DEPLOYMENT DEVICES, SYSTEMS, AND METHODS
Endovascular prostheses used to treat diseased blood vessels, such as arteries, are disclosed. In some embodiments, an endovascular prosthesis is configured to be implanted within a diseased blood vessel adjacent a diseased section. The endovascular prosthesis may include a fenestration tube through which a guidewire extends in a sealed configuration. The fenestration tube can be selectively openable and configured to sealingly receive an expandable endovascular prosthesis that extends into a side branch vessel of the diseased blood vessel.
A vascular prosthesis deployment device and related methods are disclosed. In some embodiments the deployment device may include a delivery catheter assembly. The delivery catheter assembly may include an outer sheath, an intermediate sheath, and an inner sheath. One or more of the outer sheath, the intermediate sheath, and the inner sheath may be reinforced with a braided structure to prevent elongation and ovalization of the sheaths. The braided structure may include one or more yarn members imbedded in a material and formed from a plurality of twisted singles. The twisted singles may be formed from an aromatic polyamide material.
Endovascular prostheses used to treat diseased blood vessels, such as arteries, are disclosed. In some embodiments, an endovascular prosthesis is configured to be implanted within a diseased blood vessel adjacent a diseased section. The endovascular prosthesis may include a fenestration tube through which a guidewire extends in a sealed configuration. The fenestration tube can be selectively openable and configured to sealingly receive an expandable endovascular prosthesis that extends into a side branch vessel of the diseased blood vessel.
A61F 2/95 - Instruments specially adapted for placement or removal of stents or stent-grafts
A61F 2/86 - Stents in a form characterised by wire-like elementsStents in a form characterised by a net-like or mesh-like structure
A61F 2/852 - Two or more distinct overlapping stents
A61F 2/915 - 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 made from perforated sheets or tubes, e.g. perforated by laser cuts or etched holes with bands having a meander structure, adjacent bands being connected to each other
Endovascular prostheses used to treat diseased blood vessels, such as arteries, are disclosed. In some embodiments, an endovascular prosthesis is configured to be implanted within a diseased blood vessel adjacent a diseased section. The endovascular prosthesis may include a fenestration tube through which a guidewire extends in a sealed configuration. The fenestration tube can be selectively openable and configured to sealingly receive an expandable endovascular prosthesis that extends into a side branch vessel of the diseased blood vessel.
A61F 2/95 - Instruments specially adapted for placement or removal of stents or stent-grafts
A61F 2/954 - Instruments specially adapted for placement or removal of stents or stent-grafts for placing stents or stent-grafts in a bifurcation
A61F 2/86 - Stents in a form characterised by wire-like elementsStents in a form characterised by a net-like or mesh-like structure
A61F 2/915 - 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 made from perforated sheets or tubes, e.g. perforated by laser cuts or etched holes with bands having a meander structure, adjacent bands being connected to each other
Medical devices, namely vascular stents, balloon dilation catheters, guidewires, and snares; medical devices, namely vascular stent systems comprised of vascular stents and delivery devices sold as a unit
69.
ROTATIONAL SPUN MATERIAL COVERED MEDICAL APPLIANCES AND METHODS OF MANUFACTURE
A medical appliance or prosthesis may comprise one or more layers of rotational spun nanofibers, including rotational spun polymers. The rotational spun material may comprise layers including layers of polytetrafluoroethylene (PTFE). Rotational spun nanofiber mats of certain porosities may permit tissue ingrowth into or attachment to the prosthesis. Additionally, one or more cuffs may be configured to allow tissue ingrowth to anchor the prosthesis.
A61F 2/82 - Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
A61F 2/852 - Two or more distinct overlapping stents
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
A61L 31/14 - Materials characterised by their function or physical properties
B05D 1/00 - Processes for applying liquids or other fluent materials
C09D 127/18 - Homopolymers or copolymers of tetrafluoroethene
D01D 5/18 - Formation of filaments, threads, or the like by means of rotating spinnerets
D01F 6/12 - Monocomponent man-made filaments or the like of synthetic polymersManufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polymers of halogenated hydrocarbons from polymers of fluorinated hydrocarbons
A61F 2/00 - Filters implantable into blood vesselsProstheses, i.e. artificial substitutes or replacements for parts of the bodyAppliances for connecting them with the bodyDevices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
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
A vascular prosthesis deployment device and related methods are disclosed. In some embodiments the deployment device may include a delivery catheter assembly. The delivery catheter assembly may include an outer sheath, an intermediate sheath, and an inner sheath. One or more of the outer sheath, the intermediate sheath, and the inner sheath may be reinforced with a braided structure to prevent elongation and ovalization of the sheaths. The braided structure may include one or more yarn members imbedded in a material and formed from a plurality of twisted singles. The twisted singles may be formed from an aromatic polyamide material.
Hybrid stent prosthesis and related methods for their use are described herein. A hybrid stent prosthesis may include a self-expanding stent frame, a balloon-expandable stent frame, and a cover integrating the self-expanding stent frame and the balloon-expandable stent frame. In some cases, the hybrid stent prosthesis may further include a transition zone and/or one or more markers. In some circumstances, the hybrid stent prosthesis may be advanced through the anatomy of a patient by a delivery catheter system and deployed at a deployment site by a deployment system of the delivery catheter system. A balloon inflation corresponding to the balloon-expandable stent frame may anchor the hybrid stent prosthesis. After anchoring, the self-expanding stent frame may be allowed to expand to its deployed configuration. The distal end of the balloon-expandable stent frame may then be further expanded to match anatomy. In cases, the hybrid stent prosthesis deploys with/in a parent prosthesis.
A61F 2/954 - Instruments specially adapted for placement or removal of stents or stent-grafts for placing stents or stent-grafts in a bifurcation
A61F 2/958 - Inflatable balloons for placing stents or stent-grafts
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
73.
APPARATUSES AND METHODS OF HYBRID STENT PROSTHESES
Hybrid stent prosthesis and related methods for their use are described herein. A hybrid stent prosthesis may include a self-expanding stent frame, a balloon-expandable stent frame, and a cover integrating the self-expanding stent frame and the balloon-expandable stent frame. In some cases, the hybrid stent prosthesis may further include a transition zone and/or one or more markers. In some circumstances, the hybrid stent prosthesis may be advanced through the anatomy of a patient by a delivery catheter system and deployed at a deployment site by a deployment system of the delivery catheter system. A balloon inflation corresponding to the balloon-expandable stent frame may anchor the hybrid stent prosthesis. After anchoring, the self-expanding stent frame may be allowed to expand to its deployed configuration. The distal end of the balloon-expandable stent frame may then be further expanded to match anatomy. In cases, the hybrid stent prosthesis deploys with/in a parent prosthesis.
A61F 2/915 - 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 made from perforated sheets or tubes, e.g. perforated by laser cuts or etched holes with bands having a meander structure, adjacent bands being connected to each other
Vascular access assemblies for facilitating hemodialysis of a patient. The vascular access assembly may include a first tubular conduit and a bifurcated stent disposed in the superior vena cava. The vascular access assembly may further include a second tubular conduit that connects that couples an arm of the bifurcated stent to the first tubular conduit to create a blood flow pathway between two locations of a vasculature of a patient.
Syringe systems including barrels having lubricated portions and non-lubricated portions are provided. The non-lubricated portions may be configured to be loaded with injectable materials, such as embolic agents. The injectable materials may comprise polyvinyl alcohol. Also provided are plungers having plunger tips and seal members. Also provided are methods of lubricating portions of barrels of syringe systems with lubricants including silicone or silicone-free lubricants.
A stent for treating a patient that may comprise a body with a first end portion with a first opening and a second end portion with a second opening opposite the first opening. A stent may include a lumen that extends from the first opening to the second opening. The stent includes a single fenestration disposed in a sidewall of the body between the first opening and the second opening. The single fenestration is disposed in a center portion of the body of the stent in a length direction.
A balloon expandable branching stent prosthesis are discussed herein. The balloon expandable branching stent prosthesis includes a trunk portion including a trunk portion stent frame, a first branching portion including a first branching portion stent frame, a second branching portion including a second branching portion stent frame, and a cover coupling the trunk portion stent frame, the first branching stent frame, and the second branching stent frame together forming a bifurcated stent, wherein the trunk portion stent frame, the first branching portion stent frame, and the second branching portion stent frame are spaced apart from each other with the cover disposed therebetween. A crotch portion of the balloon expandable branching stent prosthesis is disposed between the trunk portion, the first branching portion, and the second branching portion and the crotch portion is reinforced to prevent radial infolding of the cover.
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 2/958 - Inflatable balloons for placing stents or stent-grafts
Expandable branching stent prostheses and methods of deployment for the same are discussed herein. An expandable branching stent prosthesis may include a trunk portion, a first branching portion, and a second branching portion that are for deployment at, respectively, a trunk, a first branch, and a second branch of a branching implant site of an anatomical system. Methods for deploying the expandable branching stent prostheses include delivering a deployment system including the expandable branding stent prostheses, a balloon, a distal end of a floss wire, and in some cases a sock to the branching implant site; connecting, to the floss wire, a distal end of a snare wire delivered to the branching implant site via the second branch, and using the two floss wires to manipulate the deployment system to effectuate the deployment. In some cases, the sock may be pulled down over the balloon after the deployment.
A vascular stent for treating a patient that can be manipulating remotely when the vascular stent is in a compressed configuration or in an expanded configuration. The vascular stent comprises a plurality of strings that can be used to open fenestrations on the vascular stent, manipulate the frame of the vascular stent, or shift the vascular stent within a vessel of a patient.
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
Devices and methods used to selectively occlude a blood vessel are disclosed. The devices include a catheter having a balloon disposed at a distal end and a connector coupled to a proximal end of the catheter. A handle is coupled to the connector. A slide actuator is disposed within the handle. A seal wire is coupled to the slide actuator. When the slide actuator is in a distal position, the seal wire seals a vent port distal of the balloon to prevent inflation fluid from flowing from the balloon. When the slide actuator is in a proximal position, the seal wire is displaced proximally to unseal the vent port and allow fluid to flow from the balloon and distally out of the vent port resulting in self-deflation of the balloon.
Some of the present methods include, and some embodiments of the present systems are configured for gaining access to a patient's vessel by way of the vessel (i.e. from the inside out). Some embodiments facilitate gaining access to an occluded vessel, where part of the access path is through the occlusion.
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 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
Devices and methods used to selectively occlude a blood vessel are disclosed. The devices include a catheter having a balloon disposed at a distal end and a connector coupled to a proximal end of the catheter. A handle is coupled to the connector. A slide actuator is disposed within the handle. A seal wire is coupled to the slide actuator. When the slide actuator is in a distal position, the seal wire seals a vent port distal of the balloon to prevent inflation fluid from flowing from the balloon. When the slide actuator is in a proximal position, the seal wire is displaced proximally to unseal the vent port and allow fluid to flow from the balloon and distally out of the vent port resulting in self-deflation of the balloon.
Systems and methods used to treat a vessel are disclosed. The systems include an occlusion catheter device having a balloon disposed at a distal end and a connector coupled to a proximal end of the catheter. A handle having a slide actuator is coupled to the connector. A seal wire is displaceable by the slide actuator to allow deflation of the balloon through a vent port. The system includes a catheter infusion device that is coaxially disposed over the occlusion catheter device and having a balloon disposed at a distal end and a connector coupled to a proximal end. A backflow prevention member is coupled to the connector and is configured to seal around the occlusion catheter device.
A vascular stent for treating a patient that can be manipulating remotely when the vascular stent is in a compressed configuration or in an expanded configuration. The vascular stent comprises a plurality of strings that can be used to open fenestrations on the vascular stent, manipulate the frame of the vascular stent, or shift the vascular stent within a vessel of a patient.
A stent for treating a patient that may comprise a body with a first end portion with a first opening and a second end portion with a second opening opposite the first opening. A stent may include a lumen that extends from the first opening to the second opening. The stent includes a single fenestration disposed in a sidewall of the body between the first opening and the second opening. The single fenestration is disposed in a center portion of the body of the stent in a length direction.
A balloon expandable branching stent prosthesis are discussed herein. The balloon expandable branching stent prosthesis includes a trunk portion including a trunk portion stent frame, a first branching portion including a first branching portion stent frame, a second branching portion including a second branching portion stent frame, and a cover coupling the trunk portion stent frame, the first branching stent frame, and the second branching stent frame together forming a bifurcated stent, wherein the trunk portion stent frame, the first branching portion stent frame, and the second branching portion stent frame are spaced apart from each other with the cover disposed therebetween. A crotch portion of the balloon expandable branching stent prosthesis is disposed between the trunk portion, the first branching portion, and the second branching portion and the crotch portion is reinforced to prevent radial infolding of the cover.
Expandable branching stent prostheses and methods of deployment for the same are discussed herein. An expandable branching stent prosthesis may include a trunk portion, a first branching portion, and a second branching portion that are for deployment at, respectively, a trunk, a first branch, and a second branch of a branching implant site of an anatomical system. Methods for deploying the expandable branching stent prostheses include delivering a deployment system including the expandable branding stent prostheses, a balloon, a distal end of a floss wire, and in some cases a sock to the branching implant site; connecting, to the floss wire, a distal end of a snare wire delivered to the branching implant site via the second branch, and using the two floss wires to manipulate the deployment system to effectuate the deployment. In some cases, the sock may be pulled down over the balloon after the deployment.
A61F 2/954 - Instruments specially adapted for placement or removal of stents or stent-grafts for placing stents or stent-grafts in a bifurcation
A61F 2/958 - Inflatable balloons for placing stents or stent-grafts
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
Systems and methods used to treat a vessel are disclosed. The systems include an occlusion catheter device having a balloon disposed at a distal end and a connector coupled to a proximal end of the catheter. A handle having a slide actuator is coupled to the connector. A seal wire is displaceable by the slide actuator to allow deflation of the balloon through a vent port. The system includes a catheter infusion device that is coaxially disposed over the occlusion catheter device and having a balloon disposed at a distal end and a connector coupled to a proximal end. A backflow prevention member is coupled to the connector and is configured to seal around the occlusion catheter device.
A method for treating a patient's airway by coupling a deployment device to a bronchoscope at the working channel is disclosed. The coupling of such can hold the deployment device in a fixed position and allow for the precise placement of small airway stents within the lungs of a patient by a single practitioner. The fixed position may be adjustable over a range.
A61F 2/95 - Instruments specially adapted for placement or removal of stents or stent-grafts
A61F 2/04 - Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts
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 1/267 - 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
A61F 2/82 - Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
92.
SYSTEMS AND METHODS FOR TREATMENT OF AIRWAY BLOCKAGES
A method for treating a patient's airway by coupling a deployment device to a bronchoscope at the working channel is disclosed. The coupling of such can hold the deployment device in a fixed position and allow for the precise placement of small airway stents within the lungs of a patient by a single practitioner. The fixed position may be adjustable over a range.
A61M 29/02 - Inflatable dilatorsDilators made of swellable materials
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 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
Syringe systems including barrels having lubricated portions and non-lubricated portions are provided. The non-lubricated portions may be configured to be loaded with injectable materials, such as embolic agents. The injectable materials may comprise polyvinyl alcohol. Also provided are plungers having plunger tips and seal members. Also provided are methods of lubricating portions of barrels of syringe systems with lubricants including silicone or silicone-free lubricants.
Vascular access assemblies for facilitating hemodialysis of a patient. The vascular access assembly may include a first tubular conduit and a bifurcated stent disposed in the superior vena cava. The vascular access assembly may further include a second tubular conduit that connects that couples an arm of the bifurcated stent to the first tubular conduit to create a blood flow pathway between two locations of a vasculature of a patient.
Devices used to restrict flow within a blood vessel are disclosed. Devices within the scope of this disclosure include a braided lattice of nitinol wires that form self-expanding enclosures of an embolic structure. The self-expanding enclosures may be sized and dimensioned such that when deployed within a blood vessel, at least one of the plurality of self-expanding enclosures takes on an elongated generally cylindrical shape having opposing generally conical, frustoconical, or semispherical end regions. Methods of manufacturing and using the embolic structures are disclosed.
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
Devices used to pressurize, depressurize, or otherwise displace fluid are disclosed. The devices may be configured to displace fluid in order to inflate or deflate a medical device, such as a balloon. The devices further include features and mechanisms for limiting pressure generation so as to avoid damage due to overpressurization.
