An embolic protection device may include an inflatable embolic balloon with one or more embolic capture elements located at or around its outer surface. The balloon may be inflatable so as to move the one or more embolic capture elements near or against the wall of a vessel. Emboli, and particularly emboli that are relatively more diffuse, softer, more friable, contain more inflammatory cells, and/or may lack fibrous caps, are captured or stopped by the one or more embolic capture elements as blood passes through the one or more embolic capture elements.
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
The present invention discloses an aneurysm treatment device comprising a stent portion and an aneurysm filling portion expanding from an outer side of the stent portion. The device provides a novel approach to treating aneurysms by combining the structural support of a stent with an expandable filling portion to effectively address the needs of patients with aneurysms. The unique design of the device allows for precise placement and expansion within the aneurysm, providing stability and support while promoting healing and recovery. The device offers a versatile and minimally invasive solution for the treatment of aneurysms, improving patient outcomes and reducing the risks associated with traditional treatment 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
A61B 17/00 - Surgical instruments, devices or methods
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
Provided is a medical device that can both puncture and cut a biological membrane. Provided is an oblong medical device (10) that comprises an oblong shaft (30) and an electrode part (40). The shaft (30) has an oblong shaft body (33) and an extending part (34) that protrudes from a distal part of the shaft body (33) to the side of the shaft body (33) and extends toward a proximal end part (31) side of the shaft body (33). The extending part (34) has a first end part (36) that is connected to the distal part of the shaft body (33) and a second end part (37) that is on the opposite side from the first end part (36) in the extension direction of the extending part (34). The electrode part (40) has a puncturing part that is positioned at a distal end of the medical device (10) and can be energized to cauterize and thereby puncture a biological membrane (200) and a cutting part that contacts the biological membrane (200) further to the proximal side than the puncturing part when the medical device (10) is pulled to the proximal side and can be energized to cauterize and thereby cut the biological membrane (200).
[Problem] To provide: an electron beam irradiation device which, while suppressing an increase in the amount of an inert gas used, can improve the product quality of an irradiation target by keeping the distance between the irradiation target and an emission surface of an electron beam irradiation part constant; and a method for producing a medical instrument. [Solution] A baffle part (140) included in an electron beam irradiation device (10) has a suction part (180) and a partition wall part (147) that is positioned on the emission surface side of the suction part (180) and that includes a plurality of holes (146). The suction part includes an open end (181) and a suction path (183) that is in communication with the open end. The open end is disposed so as to face the partition wall part. The suction part suctions a portion of a medical elongated body (300A) from the open end so that the partition wall part and the medical elongated body are in contact with each other in a state where a portion of the medical elongated body is disposed in a space (130a) positioned between the emission surface (111) and the baffle part.
This drip probe attached to a drip chamber comprises: an illumination unit that emits a plurality of first light components; and an imaging unit provided at a position facing the illumination unit across the drip chamber. The imaging unit includes: a first light converter that converts the optical paths of a plurality of second light components among the plurality of first light components emitted from the illumination unit and emits parallel light, the plurality of second light components entering the drip chamber, propagating in parallel with each other inside the drip chamber, being emitted from the drip chamber, and being at least partially refracted when emitted from the drip chamber; a light-converging element that converges the parallel light emitted from the first light converter; and an image sensor that converts the light emitted from the light-converging element into an image.
This measurement device comprises: a drip probe which is provided with a sensor and has a light source and a camera facing each other, and which, when attached to a drip tube, uses the sensor to sequentially detect falling droplets passing through an area above the imaging range of the camera inside the drip tube, irradiates the drip tube with light from the light source, and uses the camera to capture an image of the drip tube; and a controller which starts the operation of the camera each time a falling droplet is detected by the drip probe, and stops the operation of the camera after a certain period of time has elapsed.
Devices and methods for treatment of a patient's vasculature are described. Embodiments may include a permeable shell having a first layer, a second layer, a proximal end, a distal end, and a transitional section connecting the first and second layer. The first and second layers are formed from a plurality of elongate filaments that are woven together to form a mesh. Each of the plurality of elongate filaments have a first end and a second end, and the first and second ends of each of the plurality of elongate filaments may be gathered at the proximal end of the permeable shell in a proximal band. The transitional section of the permeable shell includes a first end portion connected to a distal end of the first layer and a second end portion connected to a distal end of the second layer. In some embodiments, the second end portion may be inverted.
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 gas exchange system (50) is provided with: an artificial lung (18) for exchanging gas with blood via a gas exchange membrane (29); a pressure control valve (56) provided on a gas discharge line (42) for discharging gas from a gas flow path (38) of the artificial lung (18); a pressure sensor (54) for detecting the pressure of the gas flow path (38); and a control unit (74) for controlling the pressure control valve (56) so that the pressure of the gas flow path (38) is within a predetermined pressure range.
[Problem] To provide: an electron beam irradiation apparatus capable of improving the product quality of an irradiation target by maintaining a constant distance between an emission surface of an electron beam irradiation unit and the irradiation target, while suppressing an increase in the amount of inert gas used; and a method for manufacturing a medical instrument. [Solution] A screen part (140) provided in an electron beam irradiation apparatus (10) has a magnet body part (146) and a partition part (147) positioned closer to an emission surface (111) than the magnet body part, wherein the magnet body part is configured to attract a part of a medical elongated body to the partition part (147) using the magnetic force of the magnet body part in a state in which a part of a medical elongated body (300A) is disposed in a space (130a) located between the emission surface (111) and the screen part (140), .
This measurement device comprises: an infusion probe that, when attached to an infusion tube, sequentially detects falling droplets inside the infusion tube by means of a sensor, irradiates the infusion tube with light from a light source, and uses a camera to capture an image of the infusion tube; and a controller that controls the infusion probe. When a first falling droplet is detected by the infusion probe during operation of the camera, the controller estimates the volume of the first falling droplet using the image captured by the infusion probe, stops operation of the camera, uses the result of estimating the volume of one or more falling droplets including the first falling droplet as a basis to calculate a predicted falling time at which a second falling droplet will occur after the first falling droplet, and resumes operation of the camera by the calculated predicted falling time.
Provided is a medical instrument having a coating layer (surface lubricating layer) having excellent lubricity (slidability) and durability (in particular, sliding durability). A method for manufacturing a medical instrument according to the present invention is a method for manufacturing a medical instrument including a substrate layer and a surface lubricating layer supported on at least a portion of the substrate layer, the method comprising: preparing a coating liquid that contains a block copolymer having a reactive monomer-derived constitutional unit (A) having an epoxy group and a hydrophilic monomer-derived constitutional unit (B), a chlorine-containing compound having a chlorine atom and being water-soluble, and a solvent; and bringing the coating liquid into contact with the substrate layer.
A medicinal solution administration device includes rotation detection device including: a rotating body including a light-irradiation portion that is an outer surface extending parallel to an axis of the rotating body; and a rotation sensor configured to detect rotation of the rotating body, the rotation sensor including: a light emitting element configured to emit an irradiation light beam toward the light-irradiation portion, and a light receiving element configured to receive a reflected light beam from the light-irradiation portion of the rotating body. The light-irradiation portion includes at least two regions in a circumferential direction of the rotating body, the two regions being configured to cause different intensities of the reflected light beam, such that the intensity of the reflected light beam changes while the light-irradiation portion makes one rotation about the axis.
An image diagnosis apparatus includes a connection interface connectable to an image diagnosis catheter, a display, a memory storing a program and setting data indicating first and second display depths and first and second image settings, and a processor. The processor executes the program to receive a signal acquired from an ultrasound transmitter and receiver, convert a distribution of reflected waves in a radial direction indicated by the received signal into a brightness distribution, and generate a base tomographic image based on the brightness distribution. The processor generates first and second tomographic images of a luminal organ at the first and second display depths from the base tomographic image, executes image processing using the first and second image settings, and controls the display to display a screen showing the processed tomographic images along with information indicating a position of the luminal organ.
A drug solution administration system includes: a drug solution administration apparatus having a reservoir configured to be filled with a drug solution; and a holder to which the drug solution administration apparatus is detachably attached, the holder including a cannula configured to be indwelled into a living body. The drug solution administration apparatus includes: a casing accommodating the reservoir, a lock member supported by the casing and configured to position and fix the drug solution administration apparatus to the holder, and an elastic body configured to bias the lock member;
A light irradiation device includes a balloon formed from a light transmissive material and a tubular body arranged therein and including a lumen through which a light irradiation body including a light irradiation unit is inserted. The balloon includes a light transmissive window portion that transmits light from the light irradiation unit and a light shielding body that has a lower light transmittance than the light transmissive window portion. The light transmissive window portion includes a first end portion on a distal side in a major axis direction of the balloon and a second end portion on a proximal side in the major axis direction of the balloon. The lumen includes a boundary portion on which a distal end of the light irradiation body iabuts at a position on the distal side of the first end portion and on the proximal side of a most distal end of the balloon.
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 medical device includes: an expandable expansion body including multiple linear bodies; a shaft portion connected to a proximal part of the expansion body; and a pulling portion movable along an axial direction of the shaft portion. The expansion body includes a recess recessed radially inward in an expanded state and including a bottom. The shaft portion includes a hollow distal extension portion extending toward a distal part of the expansion body along a central axis inside the expansion body. The distal extension portion has a distal end located on a distal side with respect to the bottom of the expansion body in the expanded state and on a proximal side with respect to the distal part of the expansion body. The distal extension portion contacts an inner surface of the expansion body between a proximal-side top portion and the distal end of the bottom in a contracted state.
A puncture needle includes: a puncture portion including: a distal part including a blade surface, and a proximal part having a substantially constant outer diameter; and a retained portion connected to the proximal part of the puncture portion and configured to be retained by a hub. The retained portion includes: a tubular portion having a substantially constant outer diameter larger than a maximum outer diameter of the proximal part of the puncture portion, and a tapered portion located between the proximal part of the puncture portion and the tubular portion. The puncture portion includes a slit. In the tapered portion, in a top view with the slit facing upward, an outermost diameter of the puncture needle gradually increases from a puncture portion side to a tubular portion side, while a width of the slit gradually decreases from the puncture portion side to the tubular portion side.
A multi-cavity aspiration device for more efficiently aspirating multiple obstructions, clots, thrombi, emboli, or the like in a single aspiration stroke. The multi-cavity aspiration device may include a tubular member having an inner circumference. One or more cavities may be formed or cut into the inner circumference of the tubular member so as to increase surface area without affecting structural integrity. The one or more cavities may be positioned radially about the inner circumference of the lumen. The one or more cavities may be tapered proximally and terminate at a point. The one or more cavities may be exposed to the internal lumen of the tubular member.
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
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
A drug solution administration device (10A) comprises a seal member (130) that covers a distal end part (160) of a syringe (16) in an initial state and maintains a sealed state of the distal end part (160). Through the implementation of a connection operation from an initial position toward an opened position, a connection part (42) punctures, with a puncturing part (512), an edge section (134) of the seal member (130) and ruptures a protection part (132). The seal member (130) is opened by rupturing the protection part (132). When the connection part (42) further implements a connection operation at the opened position, the connection part (42) moves to a connection position.
Provided are a computer program, an information processing method, and an information processing device that make it possible to simplify diagnosis of malnutrition and improve the accuracy of the same. The present invention causes a computer to execute processing of: outputting patient data on a patient; upon reception of an instruction to implement a malnutrition diagnosis for the patient, outputting a first screen that includes a plurality of criteria for determining whether or not the patient has malnutrition and objects representing selection or non-selection of the respective criteria; and in accordance with the selected criteria, outputting either a second screen indicating that the patient does not have malnutrition or a third screen indicating that the patient has malnutrition.
G16H 20/60 - ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance relating to nutrition control, e.g. diets
21.
LIQUID MEDICINE ADMINISTRATION DEVICE AND DRIVE UNIT
A liquid medicine administration device (10) comprises: a cartridge (16) having a reservoir (22) and a plunger (24); and a drive unit (18) to which the cartridge (16) is detachably attachable. The drive unit (18) comprises a detection structure (500) capable of detecting a mounting completion state of the cartridge (16) with respect to the drive unit (18) when the cartridge (16) is mounted to the drive unit (18).
A guide wire is provided that is capable of moderating a change in rigidity at a position where the guide wire bends during selection of a branch vessel, and effectively suppressing the occurrence of prolapse. A guide wire (10) comprises: a core material (20) made of a superelastic metal and comprising a distal straight portion (21) having a constant outer diameter, a tapered portion (22) disposed on the proximal side of the distal straight portion (21) and having an outer diameter that gradually increases toward the proximal side, and a proximal straight portion (23) disposed on the proximal side of the tapered portion (22) and having a constant outer diameter, the core material (20) having a heat-treated portion (24) extending from the distal end of the distal straight portion (21) to at least a part of a distal end section of the tapered portion (22); a coil (30) disposed so as to be in close contact with the outer surface of the heat-treated portion (24) of the core material (20); and a resin coating layer (40) covering the core material (20) and the coil (30). The heat-treated portion (24) has, in the tapered portion (22), a transition portion (27) in which a thermal load decreases from the distal side toward the proximal side.
A guide wire is provided that is capable of suppressing vascular injury and detachment of a coil from a core wire, and that has high peripheral reachability. A guide wire (10) comprises an elongated flexible core wire (20) and a coil (30) formed by winding a coil wire (31) so as to be in close contact with the outer surface of the core wire (20), wherein the core wire (20) has a protruding portion (27) that protrudes from the distal end of the coil (30) toward the distal side, a distal end fixing member (60) that secures the core wire (20) and the distal end of the coil (30) has an outer diameter tapering portion (61) that covers the side surface of the protruding portion (27) and gradually decreases in outer diameter from the distal end of the coil (30) toward the distal end of the core wire (20), and a flat portion (62) that covers the distal end of the protruding portion (27), and the core wire (20), the coil (30), and the distal end fixing member (60) are covered with a flexible resin coating layer (40).
[Problem] To provide an electron beam irradiation device capable of reducing the amount of inert gas used and improving the product quality of an object being irradiated by keeping the distance between the emission surface of an electron beam irradiation part and the object being irradiated constant. [Solution] A chamber part 130 of an electron beam irradiation device 10 is provided with, in an opening 133, a guide part 135 that connects the outside of the chamber part 130 and the inside of the chamber part 130 and guides part of an object 300 being irradiated from the outside of the chamber part to a screen part 140. The guide part extends from the position of the opening toward the screen part at a position closer to the screen-part side than an ejection port. A second end 137 of the guide part is positioned closer to a proximal-end side than an emission surface 111 of an electron beam irradiation part 110 in the longitudinal direction of the chamber part. An ejection port of an inert gas supply part is positioned closer to the proximal-end side than the emission surface in the longitudinal direction of the chamber part, is positioned on the emission-surface side facing the screen part, and is inclined from the emission-surface side toward the screen-part side.
A method and information processing device, which acquire intravascular image data of a plurality of frames obtained by imaging a blood vessel of a patient; calculates plaque burden in each of the plurality of frames, the plaque burden being an area ratio of plaque to a transverse cross section of the blood vessel; divides positions along a longitudinal direction of the blood vessel into a first region in which the plaque burden is equal to or greater than a threshold and a second region in which the plaque burden is less than the threshold, based on the plaque burden in each of the plurality of frames; identifies a lesion region based on the first region; and determines positions at which both ends of a treatment device in the blood vessel are to be located based on the second region on both sides of the lesion region.
G06F 3/04845 - 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 for image manipulation, e.g. dragging, rotation, expansion or change of colour
A collection kit jig includes a kit holding portion, a container holding portion, and an elevation mechanism. The kit holding portion holds a collection kit by supporting a holder in a posture in which a housing chamber is positioned above an outflow path. The container holding portion is disposed below the kit holding portion and holds a sampling container. The elevation mechanism relatively raises or lowers the kit holding portion with respect to the container holding portion.
In a guide wire insertion assisting tool, in a state in which a hub fitting portion of a joint member is fitted to a proximal portion of a catheter hub of a catheter assembly, a guide member is inserted into a lumen of the joint member, and the guide member and a guide fitting portion are fitted to each other, the guide member opens a valve body of the catheter assembly with relative displacement in a distal direction with respect to the joint member without displacing an opening member to the position at which the valve body is opened by the opening member.
A balloon catheter includes a shaft and a balloon surrounding a distal portion of the shaft and including: a distal fused portion fixed to the shaft, and a distal tapered portion positioned proximal to the distal fused portion. The distal tapered portion includes a first portion and a second portion that is positioned distal to the first portion, the first portion has a first wing curved in a circumferential direction of the shaft when the balloon is deflated, and the second portion does not have any wing.
A medical device capable of preventing an excessive clearance from being formed with an inner wall of a delivery device when a puncture device is delivered to a target site in a living body, and capable of easily and smoothly performing protrusion of the puncture device from a first lumen of an outer sheath and accommodation of the puncture device into the first lumen of the outer sheath by operating forward and backward movement of a hand handle portion. The medical device is configured to be retractably inserted into a channel of an insertion portion of an endoscope, and includes a puncture device, an outer sheath into which the puncture device is inserted, and a hand handle portion disposed on a proximal end side of the puncture device and the outer sheath.
A medical device for determining a boundary in a blood vessel tomographic image, includes a processor configured to perform the steps of: acquiring data indicating a blood vessel tomographic image; executing a call to a machine learning model with the data to detect a first region indicating a detection target and one or more second regions different from the first region, the machine learning model having been trained with: a plurality of training blood vessel tomographic images, and labels indicating positions of first regions and second regions different from the first regions for the training blood vessel tomographic images; determining a boundary of the first region using the detected one or more second regions; and displaying a screen showing the tomographic image with a boundary line corresponding to the determined boundary.
G06T 7/70 - Determining position or orientation of objects or cameras
G06V 10/26 - Segmentation of patterns in the image fieldCutting or merging of image elements to establish the pattern region, e.g. clustering-based techniquesDetection of occlusion
G06V 10/774 - Generating sets of training patternsBootstrap methods, e.g. bagging or boosting
A61B 5/00 - Measuring for diagnostic purposes Identification of persons
G06V 10/82 - Arrangements for image or video recognition or understanding using pattern recognition or machine learning using neural networks
A puncture needle that enables a liquid medicine to be efficiently injected even in a case where the puncture needle has a small diameter and has high insertability into biological tissue is provided. The puncture needle includes a needle tube portion having a needle tube lumen extending in an axial direction, a cutting edge portion having a plurality of cutting surfaces formed at different positions around an axis and a plurality of ridge lines positioned at respective boundaries of the plurality of cutting surfaces, the cutting edge portion being arranged on a distal side of the needle tube portion; and one or more hole portions that are formed in a side surface of the needle tube portion. The one or more hole portions are arranged on an extension of each of the plurality of ridge lines in the axial direction.
A balloon includes an expansion portion that defines a central axis extending from a proximal side to a distal side, the expansion portion including a transmissive layer capable of transmitting light emitted to the outside, and a light shielding layer that covers the transmissive layer and has a transmittance of light lower than that of the transmissive layer, the expansion portion including a window region in which the transmissive layer is not covered with the light shielding layer and a light shielding region in which the transmissive layer is covered with the light shielding layer, and the window region of the expansion portion in an expanded state including a first window portion, and a second window portion arranged spaced apart from the first window portion on the proximal side with respect to the first window portion and more inclined with respect to the central axis than the first window portion.
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
A drug solution administration device (10A) comprises: a connection part (42) that can communicate with a distal end part (160) of a syringe (16) by being connected thereto; and a sealing member (130) that can seal the distal end part (160) of the syringe (16). When a connecting operation in which the connection part (42) relatively moves in the proximal end direction from an initial state with respect to the distal end part is performed, the connection part (42) moves to a contact position where the connection part (42) is in contact with edge portions (1341, 1342) of the sealing member (130). When the connecting operation is further performed, the connection part (42) moves from the contact position to an opening position where the sealing member (130) is broken. When the connecting operation is further performed at the opening position, the connection part (42) moves to a connected position where the connection part (42) and the syringe (16) are connected.
An information processing device (14) is provided with: a calculation unit (42) for calculating a carbohydrate-to-insulin ratio (CIR) and an insulin sensitivity factor (ISF) that make it possible to minimize an objective function relating to the time during which glucose levels in time series data inferred by a simulation model for inferring time series data of glucose levels of a patient according to insulin dosage fall outside a target range; and a generation unit (44) for generating information indicating the carbohydrate-to-insulin ratio and the insulin sensitivity factor calculated by the calculation unit.
G16H 20/10 - ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance relating to drugs or medications, e.g. for ensuring correct administration to patients
A drive device according to the present disclosure can be connected to an image diagnosis catheter that is provided with an ultrasonic transmission/reception unit, and is provided with: a drive motor; a slip ring that can rotate together with the ultrasonic transmission/reception unit; a brush that is electrically connected to the slip ring by coming into contact with the slip ring; and a power transmission unit that is capable of transmitting the driving force of the drive motor to the slip ring. A replaceable unit that is provided with the slip ring is configured to be attachable to or detachable from a device body that is provided with the drive motor between an attached state and a detached state. The attached state is a state in which the driving force of the drive motor is transmitted to the slip ring by the power transmission unit, and the detached state is a state in which the driving force of the drive motor is not transmitted to the slip ring by the power transmission unit.
An image diagnostic apparatus according to the present disclosure is provided with: a catheter connection unit; a drive motor; a control unit; a power supply connection unit that can be connected to an external power supply or a power storage unit; and a power supply switch that can change configuration between a connection configuration in which the drive motor and the external power supply connected via the power storage unit or the power supply connection unit are electrically connected and a disconnection configuration in which same are electrically disconnected. The power supply switch is pressed by a connection member, which is one of an image diagnostic catheter and an adapter, in a state in which the connection member is connected to the catheter connection unit to be in the connection configuration, and is released from the connection member to be in the disconnection configuration in a state in which the connection member is not connected to the catheter connection unit.
Provided is, for example, a program for associating a location in a contrast-enhanced image with a cross-sectional tomogram in which the location is shown. This program causes a computer to execute a process for acquiring a plurality of cross-sectional tomograms that are generated via three-dimensional scanning using an image acquiring catheter and a plurality of angiograms (61) that depict the image acquiring catheter which is performing the three-dimensional scanning, generating a route (633) of the image acquiring catheter in a reference image that is selected from the acquired plurality of angiograms (61), acquiring the position of the image acquiring sensor from each of the angiograms (61), determining the position of the image acquiring sensor in the route (633) in each of the angiograms (61), and identifying the position of each of the cross-sectional tomograms in the route (633) on the basis of the frame rate of the angiograms (61) and the frame rate of the cross-sectional tomograms.
A61B 6/46 - Arrangements for interfacing with the operator or the patient
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 6/00 - Apparatus or devices for radiation diagnosisApparatus or devices for radiation diagnosis combined with radiation therapy equipment
A61B 6/12 - Arrangements for detecting or locating foreign bodies
A61B 6/50 - Apparatus or devices for radiation diagnosisApparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body partsApparatus or devices for radiation diagnosisApparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific clinical applications
A61B 8/12 - Diagnosis using ultrasonic, sonic or infrasonic waves in body cavities or body tracts, e.g. by using catheters
Reinforcement felt or mesh used to support anastomotic regions in performing an anastomosis in order to prevent anastomotic failure; artificial reinforcement materials used to support anastomotic region in surgery; surgical stapler; sutures; suture materials for surgical use
39.
METHOD FOR GENERATING AN IMAGE REPRESENTING A CONDITION OF A BODY FLUID OF A PERITONEAL DIALYSIS PATIENT
A computer program, an image output method, and an image output device are provided. A computer is caused to execute processing comprising: acquiring information on a peritoneal dialysis patient, the information including information on at least one of edema, a urine output, and a net ultrafiltration; generating an image representing a condition of a body fluid of the peritoneal dialysis patient on a basis of the information thus acquired; and outputting the image thus generated.
To suppress stagnation portion of blood flowing between a housing and a hollow fiber membrane layer and improve antithrombogenicity, an oxygenator includes a housing having a cylindrical shape and including a blood inflow port and a blood outflow port, and a hollow fiber membrane layer having a stacked structure obtained by winding hollow fiber membranes accommodated in the housing, the oxygenator in which blood flowing in from the blood inflow port flows from one end toward the other end in a longitudinal direction of the housing and flows out from the blood outflow port, in which, in the hollow fiber membrane layer, a winding interval of the hollow fiber membranes wound in an outermost layer in the stacked structure is wider than a winding interval of the hollow fiber membranes in other layers.
To suppress stagnation portion of blood flowing between a housing and a hollow fiber membrane layer and improve antithrombogenicity, an oxygenator includes a housing having a cylindrical shape and including a blood inflow port and a blood outflow port, and a hollow fiber membrane layer formed by winding a hollow fiber membrane and accommodated in a housing, the oxygenator in which blood flowing in from the blood inflow port flows from one end toward the other end in a longitudinal direction of the housing and flows out from the blood outflow port, in which the housing includes a plurality of raised portions raised radially inward from an inner peripheral surface of the housing and extending from a distal end toward a proximal end of the housing.
A medical device for processing a blood vessel tomographic image includes a display and a processor that acquires data indicating a blood vessel tomographic image and executes a call to a machine learning model to detect a plurality of target regions and an unclear part in the blood vessel tomographic image. The model is trained with training blood vessel tomographic images and ground truth labels. The processor identifies a first boundary portion of a target region among the plurality of target regions, the first boundary portion being outside the detected unclear part, and corrects a second boundary portion of the target region that is inside the detected unclear part, using the identified first boundary portion. The processor generates and controls the display to display a screen showing the blood vessel tomographic image and a superimposed boundary line including the first boundary portion and the corrected second boundary portion.
A living body indwelling object is capable of effectively suppressing the onset of inflammation derived from a porous structure made of a biodegradable polymer while preventing scattering of a plaque and a thrombus at the time of stent expansion. The living body indwelling object includes an expandable tubular stent and a porous structure made of a first biodegradable polymer, the porous structure being disposed to cover the stent, in which the stent includes a drug carrying portion containing a second biodegradable polymer and a drug, and a decomposition time of the porous structure is substantially the same as a decomposition time of the drug carrying portion or shorter than a decomposition time of the drug carrying 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
A medical device includes an expansion body including multiple linear bodies, a shaft portion to which a connection portion disposed on a proximal end of the expansion body is fixed, and multiple electrode assemblies each including an electrode unit and a long wiring portion including the electrode unit at the distal part thereof. The expansion body includes a recess recessed radially inward. The recess includes a bottom, a proximal-side upright portion, and a distal-side upright portion. The electrode unit is disposed along the proximal-side upright portion or the distal-side upright portion. The shaft portion includes a distal extension portion extending from the connection portion to a distal side. A distal covering portion for bundling the multiple wiring portions of the multiple electrode assemblies on the outer surface of the distal extension portion is provided between the connection portion and a distal end of the distal extension portion.
A medical system including: an elongated guiding catheter having flexibility; an elongated puncture tool that is insertable into the guiding catheter, has a puncture needle at an distal portion, and includes a lumen extending from a proximal portion to the distal portion and a distal opening communicating with the lumen at the distal portion; a biasing tool that includes a movement portion movable for applying a biasing force toward a distal direction to a material passing through the lumen and a biasing portion that biases the movement portion; and a releasable stopper that is capable of fixing the movement portion at a predetermined position.
A61B 17/00 - Surgical instruments, devices or methods
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
46.
METHOD FOR MANUFACTURING EXPANDABLE BODY, METHOD FOR MANUFACTURING EXPANDABLE BODY ASSEMBLY, AND MEDICAL DEVICE
A method for manufacturing an expandable body, a method for manufacturing an expandable body assembly, and a medical device, with which it is possible to suppress breakage of an expandable body during manufacture. The method for manufacturing an expandable body that includes a plurality of struts extending along the axial direction and aligned in the circumferential direction around the axial direction, and has, in the middle in the axial direction, a waist portion having a reduced outer diameter, the method including expanding an inside of a base material having a tubular shape and including the plurality of struts using an inner mold, and restricting an outside of the base material with an outer mold in order to form a bottom having the smallest outer diameter of the waist portion and an upright portion extending radially outward from the bottom.
A device may include an elongated catheter body having a proximal portion and a distal portion, wherein the distal portion forms a memorized shape when unconstrained; the memorized shape comprising a plurality of curves positioned to orient the distal portion within a right subclavian artery or brachiocephalic artery and also into a left common carotid artery.
An in-vivo indwelling stent 1 comprises a stent body 10 and a drug-containing covering part 3 that is provided to the outer surface of the stent body 10. The stent body 10 has a linear first strut part 23, a linear second strut part 24, and a bent part 21, 22 that connects the linear first strut part 23 and the linear second strut part 24. The stent 1 has a first drug-containing covering part 30 that covers the first strut 23 and second strut 24 parts, and a second drug-containing covering part 35 that covers an inner edge portion of the bent part, but does not have a drug-containing covering part on an outer edge portion of the bent part.
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 2/966 - 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 liquid medicine administration device (10) comprises a cartridge (16) and a drive unit (18). The cartridge (16) includes a reservoir (22) capable of accommodating a liquid medicine (M), and a plunger (24) provided in such a manner as to be capable of moving in the axial direction of the reservoir (22) in order to discharge the liquid medicine (M) from the reservoir (22). The drive unit (18) includes a drive mechanism (40) for driving the plunger (24) in the axial direction, and has the cartridge (16) detachably provided thereto. The plunger (24) is accommodated in the reservoir (22). The drive mechanism (40) biases the plunger (24) toward the leading end direction.
A medical device for forming a communication hole in biological tissue includes an expansion body including wires and expandable and contractible in the radial direction; and electrode units disposed on the expansion body, wherein the number N of the electrode units, the length L (mm) of each of the electrode units along the direction of extension of the wires, and the width W (mm) of each of the electrode units orthogonal to the length L (mm) satisfy (Mathematical Expression 1) and (Mathematical Expression 2).
A medical device for forming a communication hole in biological tissue includes an expansion body including wires and expandable and contractible in the radial direction; and electrode units disposed on the expansion body, wherein the number N of the electrode units, the length L (mm) of each of the electrode units along the direction of extension of the wires, and the width W (mm) of each of the electrode units orthogonal to the length L (mm) satisfy (Mathematical Expression 1) and (Mathematical Expression 2).
[
Mathematical
Expression
1
]
L
≤
2.
[
Mathematical
Expression
2
]
(
W
+
1
)
×
N
8
π
≥
0.4
To suppress stagnation portion of blood flowing between a housing and a hollow fiber membrane layer and improve antithrombogenicity, an oxygenator includes a housing and including a blood inflow port and a blood outflow port, and a hollow fiber membrane layer, the oxygenator in which blood flowing in from the blood inflow port flows from one end toward the other end and flows out from the blood outflow port, in which the housing includes a plurality of raised portions raised radially inward from an outer surface of an annular inner peripheral portion and extending from a distal end toward a proximal end of the housing, and a recess adjacent to a downstream end of the raised portion in a blood circulation direction, and formed in a circumferential direction facing an outflow portion of the blood in a blood flow path communicating with the blood outflow port.
An injection member of a hemostatic device includes a connector portion and a coupling portion that couples an inner cavity of the connector portion and an inner cavity of an inflatable member. A check valve of the connector portion includes an outer member, an inner member in a cavity of the outer member, and a spring member. The inner member includes a main body urged by the spring member to contact an inner protrusion portion, and a distal protrusion. An end portion of the distal protrusion includes a recess portion recessed toward the main body. A side wall of the distal protrusion includes a slit continuous with the recess portion and extending in a longitudinal direction of the inner member, and the recess portion includes a trap portion whose width narrows from a center position toward an outer edge of the upper end portion in a plan view.
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
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
53.
MEDICAL SHEET AND METHOD FOR PRODUCING MEDICAL SHEET
A medical sheet increases rigidity of a main body portion constituting the medical sheet and prevents or suppresses twisting when disposed in a biological organ. The medical sheet includes a sheet-shaped main body portion containing fibers made of a biodegradable material, and the main body portion is formed with a plurality of through-holes and includes a fused portion in which the fibers are gathered and fused around the through-holes.
A61L 31/06 - Macromolecular materials obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
A61B 17/11 - Surgical instruments, devices or methods for closing wounds or holding wounds closedAccessories for use therewith for performing anastomosisButtons for anastomosis
A61L 31/14 - Materials characterised by their function or physical properties
A61B 17/00 - Surgical instruments, devices or methods
54.
DEFOAMING DEVICE AND FOREIGN MATTER INSPECTION SYSTEM
A defoaming device (50) for removing bubbles (B) adhering to an inner surface (112s) that forms a filling chamber (112) for a liquid (L) in a prefilled syringe (100), the defoaming device (50) comprising: a syringe holder (35) that holds the prefilled syringe (100) with the tip of the prefilled syringe (100) facing upward; and a vibration mechanism (20) that applies a horizontal impact to the prefilled syringe (100) to thereby vibrate the prefilled syringe (100).
A61M 5/36 - Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular wayAccessories therefor, e.g. filling or cleaning devices, arm rests with means for eliminating or preventing injection or infusion of air into body
A drug solution administration device (10A) is provided with a plunger holding structure (802) whereby a plunger (22) biased toward a tip direction by the resilient force of a resilient member (223) is held at a pre-activation position. The state in which the plunger (22) is held by the plunger holding structure (802) is released by performing a second operation in which the trigger member (14) moves relative to a housing (12) in the tip direction from the first position. The plunger (22) moves relative to a syringe (16) in the tip direction.
A drug solution administration device (10) comprises: a cartridge (16) having a reservoir (22) and a plunger (24); and a drive unit (18) to/from which the cartridge (16) can be attached/detached. The drive unit (18) comprises a detachment prevention mechanism (66) provided to an inner housing (38) so as to be openable and closable. The detachment prevention mechanism (66), in an open position, allows detachment of the cartridge (16) from the inner housing (38). The detachment prevention mechanism (66), in a closed position, prevents detachment of the cartridge (16) mounted to a mounting part (20), from the inner housing (38).
Disclosed are example embodiments of a catheter system for blood clot detection. The catheter system for blood clot detection includes a catheter having a proximal end and a distal end. The catheter system for blood clot detection also includes a blood clot sensor coupled to the distal end of the catheter. Additionally, the catheter system for blood clot detection includes a processor configured to process signals from the blood clot sensor. The blood clot sensor may include magnetoelastic sensor. The blood clot sensor may include a light-based sensor. The blood clot sensor may include a ultrasound sensor.
A61B 5/02 - Detecting, measuring or recording for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow
A61B 5/00 - Measuring for diagnostic purposes Identification of persons
A61B 5/05 - Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fieldsMeasuring using microwaves or radio waves
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
An embolic protection system for delivering, deploying, and retrieving a filter configured to capture particles which may be dislodged during a medical procedure. The embolic protection system may include an embolic protection device for capturing the particles, a delivery catheter assembly for delivering the embolic protection device to a target location within a vasculature, and a retrieval catheter assembly for retrieving the embolic protection device along with any captured particles from the target location after use. The embolic protection device may include a filter which is movably connected to a guidewire such that the filter may move both axially and rotationally with respect to the guidewire after deployment and thereby reduce the risk of vasospasm or vessel dissection.
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 catheter includes a tube, a sheath surrounding the tube and including: a tube body formed of resin, and a reinforcing body having a repeating structure formed of metal strands, and a traction wire connected to a proximal portion of the sheath and configured to move the sheath with respect to the tube. The tube body and the reinforcing body extend continuously over an entire length of the 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
A61F 2/962 - Instruments specially adapted for placement or removal of stents or stent-grafts having an outer sleeve
To suppress the occurrence of blood vessel damage when advancing through a blood vessel, a guide wire includes: an elongated wire body; and a lubricious coating layer formed of a material capable of being swollen when wetted and covering at least a part of the wire body, in which the wire body includes a core member, a tubular member disposed so as to cover an outer periphery of a distal portion of the core member, and a holding portion holding a part of an inner peripheral surface between a distal end and a proximal end of the tubular member, and the lubricious coating layer includes a bulge portion formed on an outer peripheral surface of the wire body at a position of the holding portion by changing a thickness of the lubricious coating layer.
A shape retaining device inhibits blockage of a distal end portion of a catheter body includes: a tube in which at least a distal end region including an inlet is harder than a distal end portion of a catheter body; and a support member that includes a fitting portion that is fittable to a catheter hub and communicates with the catheter hub in a state of being fitted to the catheter hub, the support member supporting the tube such that the tube is displaceable with respect to the fitting portion.
An implantable medical device includes a stent that has a cylindrical shape extending in an axial direction, is expandable in a radial direction, and includes: a plurality of wavy rings forming an outer periphery of the cylindrical shape, and a plurality of link portions each connecting two of the rings that are adjacent to each other; a porous structure that covers the stent and has a plurality of through-holes; and a plurality of first fixing portions by which at least part of the porous structure is fixed to the stent, each of the first fixing portions being located on the stent at a position other than distal and proximal ends of the stent.
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 2/958 - Inflatable balloons for placing stents or stent-grafts
A non-transitory computer-readable medium containing a computer program that, when executed, causes a computer to execute processing including: detecting blood vessel information of a blood vessel included in a predetermined site of a subject based on an image obtained by imaging the predetermined site; generating a projection image of the blood vessel based on the detected blood vessel information; and while causing at least one projector to project the generated projection image, causing the at least one projector to project a virtual operation unit for operating the projection image onto a region excluding a blood vessel region included in the projection image.
Medical aspiration pumps for use in endovascular procedures; medical suction pumps and collection canisters sold as a unit for the aspiration and removal of thrombus, emboli, blood, and other fluids from the vasculature during endovascular and neurovascular interventional procedures
A self-healing seal and connector port are provided with a body including a first port, a second port, and a third port; a cap, secured to the third port; and a self-healing seal secured to the third port by the cap, wherein the self-healing seal has a circular face and includes: a first ring located on an edge of the circular face, captured between the body and the cap; and a second ring, located centrally on the circular face, including a raised ridge on a first side of the circular face defining an inverted conic bevel, and including a tearing guide on a second side of the circular face centered on the inverted conic bevel.
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
Devices for treatment of aneurysms and methods of delivery are described that include a permeable shell having an open distal end, an inner compressible mesh structure having a lumen, and an outer constraint surrounding at least a portion of the inner compressible structure. The outer constraint may have a variable stiffness. The expanded configuration of permeable shell may be shaped in a torus with the inner compressible mesh structure located along a longitudinal axis of the permeable shell. The outer constraint may be a coil or a hypotube. The outer constraint may have a proximal portion that is stiffer than a distal portion. The stiffer proximal portion of the outer constraint may dampen hemodynamic forces at the proximal end of the permeable shell.
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
A system for determining heart failure exacerbation includes a wearable device measuring biological data and motion data of a subject, and a server connectable to the wearable device to: acquire the biological data and motion data at each time point in a predetermined period; calculate a parameter related to a heart based on the biological data; calculate an activity amount based on the motion data; identify active time points where the calculated activity amounts are equal to or greater than a predetermined value; identify specific parameters at delayed time points when a predetermined time has elapsed from the active time points; and calculate an index value related to the heart failure exacerbation based on a relationship between the activity amounts at the active time points and the specific parameters at the delayed time points.
A medical device that can increase operability and includes a cutter portion that can be rotated by a drive shaft is provided. A medical device that removes an object in a body lumen and includes: a rotary shaft including a rotatable hollow drive shaft and a hollow cutter portion to be rotatably driven by the drive shaft, a guide wire protecting tube disposed inside the drive shaft and the cutter portion, and a handle that rotatably houses the proximal portion of the rotary shaft. The guide wire protecting tube includes a small-diameter portion that forms the distal end of the guide wire protecting tube, and at least part of which is disposed inside the cutter portion, and the main body tube that is located on the proximal side with respect to the small-diameter portion, and at least part of which is disposed inside the drive shaft.
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
A vascular prosthesis (e.g., stent), and packaging and delivery system to selectively deliver a vascular prosthesis are described. In some embodiments, the vascular prosthesis utilizes a low porosity and high porosity section, and the packaging and delivery system allows the prosthesis to be delivered such that the position of the low porosity and high porosity sections of the prosthesis can vary.
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 2/966 - 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
A61F 2/97 - Instruments specially adapted for placement or removal of stents or stent-grafts having an outer sleeve the outer sleeve being splittable
A61F 2/82 - Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
71.
Systems And Methods For Embolization Of Body Structures
A device for treatment of a vascular defect within a patient’s vasculature includes a self-expanding permeable shell having a proximal end, a distal end, and a longitudinal axis, the shell comprising a plurality of elongate resilient filaments having a braided structure, wherein the filaments are secured at at least one of the proximal end or the distal end of the permeable shell, wherein the permeable shell has a radially constrained elongated state configured for delivery within a microcatheter and has an expanded state with an axially shortened configuration relative to the radially constrained state, the permeable shell having a plurality of openings formed between the braided filaments, wherein the permeable shell in its expanded state comprises a plurality of circumferentially-arrayed lobes.
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
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
72.
INFORMATION MANAGEMENT SYSTEM, INFORMATION MANAGEMENT METHOD, PROGRAM, AND INFORMATION MANAGEMENT DEVICE
An information management system (10) comprises a drug solution administration device (12) and an information management device (14). The drug solution administration device comprises a transmission control unit (104) that transmits information acquired using a sensor (86) provided to the drug solution administration device to the information management device. The information management device comprises a reception control unit (124) that receives the information transmitted by the transmission control unit and a determination unit (128) that, on the basis of the information received by the reception control unit, determines whether a drug solution administration amount has reached a predetermined required administration amount.
A reusable catheter introducer may be provided by a device including a tubular body, having a first chamber which narrows to a second chamber by a first neck; wherein the second chamber narrows to a third chamber by a second neck; wherein the tubular body has a through-hole between a first opening on a first end of the tubular body and a second opening on a second end of the tubular body opposite to the first end, and a protrusion emanating from an external surface of the tubular body.
A method and an information processing system are provided for automatically and accurately recording information about medical devices in an operating room. A surgical space image is captured by an imaging device, wherein the image includes a display device located in the surgical space. Measurement information is extracted from the display device on the basis of the acquired surgical space image. The extracted information regarding the display device is stored in time series to collectively manage the medical device.
G06V 20/52 - Surveillance or monitoring of activities, e.g. for recognising suspicious objects
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
Provided are: a catheter configured so that even if a tensile force or a compressive force acts on a tube in which a reinforcement body is embedded, it is possible to curb damage to the tube in the vicinity of an end the reinforcement body; and a method for manufacturing the catheter. A catheter (10) comprises: a tip-end-side movable tube (31); a base-end-side movable tube (32); a wire fixing tube (90) disposed on the radial outer side of the base end of the tip-end-side movable tube and the tip end of the base-end-side movable tube; a first joining part (91) that joins the outer peripheral surface of the tip-end-side movable tube (31) and the inner peripheral surface of the wire fixing tube (90); a second joining part (92) that joins the outer peripheral surface of the base-end-side movable tube (32) and the inner peripheral surface of the wire fixing tube (90); and a reinforcing part (93) that extends from the base-end surface of the wire fixing tube (90) in the base-end direction and that is fixed to the outer-peripheral surface of the base-end-side movable tube (32). The base-end-side movable tube (32) includes: a rigid section (37) in which a reinforcing body (35) is embedded; and a flexible section (38) that is disposed further toward the tip-end side than the tip end of the reinforcing body (35) and that has a smaller outer diameter than the rigid section (37). The base end of the reinforcing part (93) is located further toward the base-end side than the tip end of the rigid section (37).
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 liquid medicine administration device includes: a puncture structure that configured to puncture a skin of a living body and including a puncture needle for administering a liquid medicine; a housing that accommodates the puncture structure and has a bottom wall from which the puncture needle is configured to project; a needle cover configured to move with respect to the housing; a sliding member that faces the bottom wall portion of the housing and is configured to slide with respect to the housing; and an adhesive member that is fixed to the sliding member and has an adhesive surface configured to adhere to the skin of the living body. The needle cover is movable from a puncture permission position at which the puncture needle is permitted to puncture the skin to a shielding position at which a needle tip of the puncture needle is covered.
A method for manufacturing a medical device having a surface lubricating layer that exhibits excellent durability even in a heat treatment at a low temperature. The method for manufacturing includes a medical device, the medical device including a base material layer and a surface lubricating layer supported on at least a part of the base material layer, the method including: preparing a coating liquid containing a block copolymer having a structural unit (A) derived from a reactive monomer having an epoxy group and a structural unit (B) derived from a hydrophilic monomer, an isocyanate compound having two or more isocyanate groups, and a solvent; and applying the coating liquid onto the base material layer.
A hemostatic device includes a cover member having a main body configured as a two-layer structure providing a holding portion holding a support member. The holding portion has an upper surface region on an upper surface side of the support member, a lower surface region on a lower surface side of the support member and facing the upper surface region across the support member, and a curved region connecting the upper surface region and the lower surface region on a proximal side of the support member. The curved region is formed by folding back a part of the main body, an edge of the lower surface region has a fixed region fixed to the upper surface region, and the fixed region is positioned on a distal side with respect to the support member and at a position surrounding edge portions of the support member in plan view.
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
Provided are: a suction catheter that can be inserted into a narrow biological lumen and can effectively suction a wide range; and a suction system. This suction catheter (10) comprises: a deformable tubular distal end tip (23) comprising a distal end opening (32); and a base shaft (22) disposed on the proximal end side of the distal end tip (23) and comprising a proximal end opening (24) at the proximal end. The suction catheter (10) has a main body tube (20) in which a lumen (21) communicating from the distal end opening (32) to the proximal end opening (24) is formed. The cross-sectional shape of the inner peripheral surface of the distal end opening (32) has lengths in a first direction (Y) and a second direction (Z) perpendicular to the first direction (Y). A second length (L2) in the second direction (Z) is longer than a first length (L1) in the first direction (Y). The cross-sectional shape of the inner peripheral surface of the base shaft (22) is circular, and the distal end opening (32) can be deformed by inserting, into the lumen (21), a dilator (60) having an outer diameter that is longer than the first length (L1), shorter than the second length (L2), and equal to or less than the inner diameter of the base shaft (22).
[Problem] To improve the pressure resistance of a tissue reinforcing material. [Solution] A tissue reinforcing material has a sheet-like body 10 that includes fibers composed of biodegradable material. The body 10 has formed therein a plurality of through-holes 11 and comprises a fused part 40 which is formed from fibers gathered and fused around the through-holes. The volume density of the body is 0.15 g/cm3 or less, and the porosity of a portion of the body excluding the through-holes is 50% or more.
A61B 17/11 - Surgical instruments, devices or methods for closing wounds or holding wounds closedAccessories for use therewith for performing anastomosisButtons for anastomosis
A61F 2/04 - Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts
A hemostatic device is placeable on both right and left hands of a patient and includes a cover member configured to cover a puncture site and a pressing member connected to the cover member and configured to compress the puncture site. The cover member includes a layout display portion showing a placement example of the hemostatic device for the right and left hand of the patient, the pressing member and the layout display portion are positioned on a center line of a first band body included in the cover member. The layout display portion includes a first graphic portion showing a placement example of the device for the patient's right hand and a second graphic portion showing a placement example of the device for the patient's left hand, and the first and second graphic portions are arranged side by side in a longitudinal direction of the first band body.
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
[Problem] To improve the adhesion effect at an anastomotic site by a tissue reinforcing material. [Solution] The present invention has a sheet-shaped body portion 10 including fibers composed of a biodegradable material. When an equivalent circle diameter calculated from the area of a void portion in which no fibers are present is measured in a plan view seen along a thickness direction X of the body portion 10, the size distribution ratio of the equivalent circle diameters of the void portions is such that the total area of the void portions having an equivalent circle diameter of less than 400 μm is 1.0-25% inclusive with respect to the total area of the body portion, and the total area of the void portions having an equivalent circle diameter of 400-1000 μm inclusive is 3.3-43% inclusive with respect to the total area of the body portion.
[Problem] To provide an insertion tool that enables an operator to easily and accurately confirm a portion serving as a reference for the site of uterine resection. [Solution] An insertion tool 10 includes a cylindrical body part 100 to be inserted into the vagina N. The body part includes: a lumen 105; a first portion 110 provided to a portion including a tip 101 where a tip opening 101a communicating with the lumen is located; and a second portion 120 located closer to the base end side than the first portion. At least a part of the first portion has a light-emitting part 130 that emits light by fluorescence.
The purpose of the present invention is to provide a means capable of improving the thrombus-capturing capability of a thrombus capture device (in particular, a thrombus capture device provided with a metal substrate) by imparting excellent thrombus adhesiveness. The above problem is solved by a thrombus capture device including a metal substrate and a functional layer bonded to the metal substrate, the functional layer including a polymer containing a structural unit A and a structural unit B covalently bonded to the structural unit A, the structural unit A being derived from a binding monomer having a phosphoric or phosphonic acid group and an ethylenically unsaturated group, the structural unit B being derived from a cationic monomer having an ethylenically unsaturated group, wherein the polymer has, on a side chain thereof, a cationic functional group derived from the cationic monomer.
A61L 33/00 - Antithrombogenic treatment of surgical articles, e.g. sutures, catheters, prostheses, or of articles for the manipulation or conditioning of bloodMaterials for such treatment
A method for functionalizing a hollow fiber membrane for cell expansion, differentiation, harvesting, activation, or any combination thereof of target cells (e.g., natural killer cells) includes contacting a biotinylated molecule to a surface of the hollow fiber membrane including an extracellular matrix component, the biotinylated molecule binding to the extracellular matrix component and having an affinity for the target cells. The biotinylated molecule is selected from the group consisting of: cytokine, epitope, ligand, monoclonal antibody, stains, aptamer, and combinations thereof. The extracellular matrix component selected from the group consisting of: fibronectin, vitronectin, fibrinogen, collagen, laminin, streptavidin, truncations thereof, and combinations thereof.
A catheter interface device includes interface circuits connectable to: an imaging catheter having an ultrasound transmitter and receiver or an optical transmitter and receiver, and an external display device for displaying an image based on a signal acquired from the imaging catheter; a signal processing circuit configured to process the signal; a battery that supplies power to the imaging catheter and the circuit; a memory that stores a program, history data indicating battery power consumption for each medical procedure using the imaging catheter, and a battery level indicating remaining power of the battery; a display; and a processor configured to execute the program to: calculate a number of medical procedures that can be performed using the remaining power based on the history data and the battery level, and control the display to display the calculated number.
Provided are a computer program, an information processing method, and an information processing device capable of improving reliability in assessment of low nutrition and reducing a data input burden on a user. The present invention causes a computer to execute a process for: acquiring first group data including data pertaining to the weight, data pertaining to the BMI, and data pertaining to the muscle mass of a subject, and second group data including data pertaining to the dietary intake and data pertaining to a medical condition of the subject; and determining, on the basis of the acquired first group data and second group data, the degree of hyponutrition of the subject from a plurality of degrees of hyponutrition representing the degree of food intake deficiency.
G16H 10/00 - ICT specially adapted for the handling or processing of patient-related medical or healthcare data
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
88.
METHOD AND SYSTEM FOR DETECTING HEMOLYSIS IN BLOOD USING REFRACTOMETRY
Methods and systems configured to measure content of a target substance in a fluid sample using a refractometer including a light source and a light sensor. A method includes: calibrating the refractometer by identifying a calibration pixel pattern of first pixels of the light sensor illuminated by light from the light source that has reflected off a sensing surface of a container including a reference fluid having a known reference density; identifying a blood pixel pattern of second pixels of the light sensor illuminated by light from the light source that has reflected off the sensing surface when the fluid sample is present in the container; identifying a pixel shift distance along the light sensor from the calibration pixel pattern to the fluid pixel pattern; and determining the content of the target substance in the fluid sample based on the pixel shift distance.
G01N 21/17 - Systems in which incident light is modified in accordance with the properties of the material investigated
G01N 21/27 - ColourSpectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection
G01N 15/14 - Optical investigation techniques, e.g. flow cytometry
G01N 21/01 - Arrangements or apparatus for facilitating the optical investigation
G01N 21/41 - RefractivityPhase-affecting properties, e.g. optical path length
A61B 5/05 - Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fieldsMeasuring using microwaves or radio waves
A61B 5/145 - Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value
A61B 5/1455 - Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value using optical sensors, e.g. spectral photometrical oximeters
This medical device (10) includes an operation unit (100), a first jaw (250a) and a second jaw (250b) that are provided at the distal end of a shaft member (230), and a power transmission member (300). The operation unit (100) has a first operation lever (102a) and a second operation lever (102b). When a user rotates the first operation lever (102a) and the second operation lever (102b) with respect to a casing (20), the power transmission member moves along the axial direction of the shaft member. With this movement, the first jaw and the second jaw are opened and closed.
A filter device according to the present invention is to be mounted on a centrifugal separator and includes: a first space which is formed in a housing and into which blood flows; a second space which is formed in the housing and from which blood flows out; a partition wall that separates the first space and the second space and that is formed with a communication port establishing communication between the first space and the second space; and a white-blood-cell removal filter that is disposed in the second space. The first space is located between the partition wall and a first main surface of the housing, and the second space is located between the partition wall and a second main surface of the housing.
B04B 3/00 - Centrifuges with rotary bowls in which solid particles or bodies become separated by centrifugal force and simultaneously sifting or filtering
B04B 5/04 - Radial chamber apparatus for separating predominantly liquid mixtures, e.g. butyrometers
91.
METHOD AND SYSTEM FOR DETECTING HEMOLYSIS IN BLOOD USING REFRACTOMETRY
Methods and systems configured to measure content of a target substance in a fluid sample using a refractometer including a light source and a light sensor. A method includes: calibrating the refractometer by identifying a calibration pixel pattern of first pixels of the light sensor illuminated by light from the light source that has reflected off a sensing surface of a container including a reference fluid having a known reference density; identifying a blood pixel pattern of second pixels of the light sensor illuminated by light from the light source that has reflected off the sensing surface when the fluid sample is present in the container; identifying a pixel shift distance along the light sensor from the calibration pixel pattern to the fluid pixel pattern; and determining the content of the target substance in the fluid sample based on the pixel shift distance.
G01N 21/17 - Systems in which incident light is modified in accordance with the properties of the material investigated
G01N 21/27 - ColourSpectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection
G01N 33/49 - Physical analysis of biological material of liquid biological material blood
92.
PRESSURE SPIKE MITIGATION IN BIOLOGICAL FLUID ASPIRATION SYSTEMS
A device for mitigating sudden changes in pressure in biological fluid filtration systems is provided with a first chamber, a second chamber, a filter defining fluid communication between the first chamber and the second chamber and blocking particles of a predefined size from transferring between the first chamber and the second chamber, and a pressure spike suppression means disposed between the first chamber and an ambient environment, configured to distend outwardly when a pressure in the first chamber increases.
F16L 55/04 - Devices damping pulsations or vibrations in fluids
A61M 5/48 - Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular wayAccessories therefor, e.g. filling or cleaning devices, arm rests having means for varying, regulating, indicating or limiting injection pressure
F15B 1/02 - Installations or systems with accumulators
A filter device according to the present invention is to be mounted on a centrifugal separator and includes: a first space into which blood flows; a second space from which the blood flows out; a partition wall separating the first space and the second space; a communication port establishing communication between the first space and the second space; and a white-blood-cell removal filter disposed in the second space. The first space and the second space are arranged in a first direction intersecting a centrifugal direction, and the inlet port and the communication port are located between a center line along the first direction and a rotation center of the centrifugal separator.
B04B 3/00 - Centrifuges with rotary bowls in which solid particles or bodies become separated by centrifugal force and simultaneously sifting or filtering
B04B 5/04 - Radial chamber apparatus for separating predominantly liquid mixtures, e.g. butyrometers
A male connector connectable to a female connector that includes an elastic valve body, the male connector including: a flow path pipe member having an opening at a portion on an axial distal side; an elastic opening and closing portion; a biasing portion configured to bias the elastic opening and closing portion toward the axial distal side; a housing including a housing restriction portion; and a movable body that includes a movable body restriction portion and holds the elastic opening and closing portion.
A filter device according to the present invention is to be mounted on a centrifugal separator and includes: a first space into which blood flows; a second space from which the blood flows out; a partition wall separating the first space and the second space; a communication port establishing communication between the first space and the second space; and a white-blood-cell removal filter disposed in the second space. The second space is located between the first space and a rotation center of the centrifugal separator.
This program causes a computer to execute processing for: acquiring registration information including the usage history of a consumable used in a catheter treatment; and generating a report on the catheter treatment by providing the registration information and a catheter treatment report-creation instruction to a language model. Here, the time and date when identification information of the consumable is read and the identification information may be saved as registration information together with any of inventory, usage, and disposal information.
G16H 40/00 - 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
Aspiration with impedance-based sensing may be provided by a catheter system, including: a catheter, including: a catheter body having a proximal end, a distal end, and a lumen therebetween; and an electrode, including a first contact and a second contact located at the distal end of the catheter; and an impedance measuring device, in electrical communication with the first contact and the second contact.
A61B 5/0538 - Measuring electrical impedance or conductance of a portion of the body invasively, e.g. using a catheter
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
A61M 1/00 - Suction or pumping devices for medical purposesDevices for carrying-off, for treatment of, or for carrying-over, body-liquidsDrainage systems
A61B 17/00 - Surgical instruments, devices or methods
100.
IMPEDANCE-BASED SENSING FOR REMOVAL OF OBSTRUCTIONS IN BIOLOGICAL LUMENS
Impedance-based sensing for removal of obstructions in biological lumens is provided via a retrieval means defined along a longitudinal axis, wherein the retrieval means is configured to transition between a collapsed state and an expanded state; a plurality of electrodes integrated into the retrieval means; a retrieval member affixed to the retrieval means, configured to allow a user to pull the retrieval means and an obstruction engaged by the retrieval means along a longitudinal axis of a biological lumen; and an electrical connector configured to connect the plurality of electrodes to an impedance measuring device via the retrieval means to measure an electrical impedance across one or more pairs of the plurality of electrodes.
A61B 5/053 - Measuring electrical impedance or conductance of a portion of the body
A61B 5/0538 - Measuring electrical impedance or conductance of a portion of the body invasively, e.g. using a catheter
A61B 5/0536 - Impedance imaging, e.g. by tomography
A61B 5/0537 - Measuring body composition by impedance, e.g. tissue hydration or fat content
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 17/221 - Calculus gripping devices in the form of loops or baskets
