An information processing device (14): acquires, on the basis of the result of cell culturing, a regression curve that indicates the relationship between the physical quantity correlated with the number of cells and a culture time; acquires a first parameter that includes a plurality of parameter elements which are included in a regression expression indicating the regression curve; acquires a second parameter that includes a plurality of parameter elements on the basis of a tangent line at an inflection point of the regression curve; acquires cell culture information pertaining to cell culturing; and determines success or failure of cell culturing by inputting the parameter elements of the first parameter, the parameter elements of the second parameter, and the cell culture information to a machine learning model that has been trained to output the result of a determination of success or failure of cell culturing.
[Problem] To provide a blood transfusion circuit capable of shortening the time required for blood transfusion, and a blood transfusion kit having the same. [Solution] This blood transfusion circuit has: an inflow port 51 that communicates with a blood bag 20; an inflow channel 50 that communicates with the inflow port 51; a branching part 62 that splits the inflow channel 50 into a plurality of branch channels 54, 55 proceeding from upstream to downstream; and blood transfusion parts 71, 72 provided individually at the downstream ends of the plurality of branch channels 54, 55, respectively.
The present invention provides: a dilator of which the tip is difficult to crush; and an introducer provided with said dilator. This dilator is provided with a dilator tube. The dilator tube includes a distal end section, the outer diameter of which decreases toward the distal end. The distal end section includes a first distal end section and a second distal end section disposed adjacent to the distal end side of the first distal end section. The angle formed by the outer peripheral surface of the second distal end section and the axis of the dilator tube is greater than the angle formed by the outer peripheral surface of the first distal end section and the axis of the dilator tube. The length of the second distal end section in the axial direction of the dilator tube is 0.01 to 0.10 times the length of the first distal end section in the axial direction of the dilator tube. The thickness of the dilator tube in the diameter direction is 0.202 to 0.435 times the inner diameter of the distal end section at the boundary between the first distal end section and the second distal end section.
[Problem] To provide a leukocyte removal bag and a leukocyte removal system that can be formed in a compact shape by having layered in a single bag an inflow-side storage portion into which blood can flow from an inflow port, a filtration function portion for performing filtration, and an outflow-side storage portion from which liquid can flow out through an outflow port. [Solution] A leukocyte removal bag (40) for removing leukocytes from blood flowing thereinto comprises an inflow port (42) through which a liquid can flow into a housing part (49), an outflow port (43) through which the liquid can flow out from the housing part (49), and a filtration part (45) capable of removing leukocytes, wherein: the housing part (49) has a first inflow-side housing portion (74) formed between two sheets and communicating with the inflow port (42), a filtration function portion (80) formed between two sheets and having the filtration part (45) disposed therein, a second outflow-side storage portion (77) formed between two sheets and communicating with the outflow port (43), a first passage (78) providing communication between the first inflow-side storage portion (74) and the filtration function portion (80), and a second passage (79) providing communication between the filtration function portion (80) and the second outflow-side storage portion (77); and the first inflow-side storage portion (74), the filtration function portion (80), and the second outflow-side storage portion (77) overlap in layers and form a single bag.
[Problem] To provide a blood collection system capable of rapidly removing white blood cells from blood so that the blood is in an administrable state. [Solution] A blood collection system 1 is for collecting and storing blood from a blood donor. The blood collection system includes: a blood collection needle 11 through which the blood can be collected; a first blood bag 30 which is capable of storing the blood from the blood collection needle 11; at least one second blood bag 31 which is capable of storing the blood from the blood collection needle 11 and has a volume larger than that of the first blood bag 30; a white blood cell removal filter 50 which removes white blood cells from the blood flowing out from the first blood bag 30 and the second blood bag 31; and a storage bag 70 which is capable of storing the blood flowing out from the white blood cell removal filter 50.
A gas mixing apparatus (100) comprises a mixing unit (130) and an intake mechanism (150). The mixing unit (130) has a mixing chamber (135). Ambient air is drawn in by the intake mechanism (150) and flows into the mixing chamber (135) through an intake port (142). Oxygen gas supplied from an oxygen gas supply line (110) flows into the mixing chamber (135). Thus, a mixed gas of ambient air and oxygen gas is obtained in the mixing chamber (135).
A procedure simulator used for providing training on the introduction of a medical instrument into a radial artery in a human body includes: an upper limb model simulating an appearance of a portion including a portion extending from a hand to a forearm portion in an upper limb of the human body; and a puncture pad having hollow portions through which simulated blood vessels are to pass. A surface on a palm side of the upper limb model has a holding groove that includes a pad holding groove for holding the puncture pad, and a blood vessel holding groove for holding the simulated blood vessels. A discharge portion of the upper limb model extends from a bottom of the pad holding groove to a surface on a dorsal side of the upper limb model to allow simulated blood from the simulated blood vessels to be discharged to the dorsal side.
The present invention provides a means capable of suppressing a deterioration of lubricity due to abrasion in a medical tool. A medical tool according to one embodiment of the present invention is provided with a base material layer, and a surface lubricating layer supported on at least a part of the base material layer. The surface lubricating layer contains a block copolymer having a constituent unit (A) derived from a reactive monomer having an epoxy group and a constituent unit (B) derived from a hydrophilic monomer. The number of fine particles having a particle diameter of 10 μm or more and less than 25 μm, detected by a fine particle test for the surface lubricating layer, is less than 2000.
An information processing device (14): acquires, on the basis of a result from each of a plurality of performances of a cell culture process, a regression curve indicating the relationship between the culture time and a physical quantity correlated with the number of cells; acquires a first parameter including a plurality of parameter elements included in a regression formula that indicates the regression curve; acquires a second parameter including a plurality of parameter elements on the basis of a tangent line at an inflection point (72) of the regression curve; acquires a third parameter including a plurality of parameter elements by performing principal component analysis on the first parameter and the second parameter; and generates correlation information indicating the relationship between two parameter elements among the parameter elements for each of the performances of the cell culture process.
[PROBLEM] To provide a blood transfusion kit that is portable and allows for rapid initiation of blood transfusions. [SOLUTION] A blood transfusion kit 10 includes: an indwelling portion 20 placed inside a blood vessel, a filter portion 30 connected to the indwelling portion 20, and a fixing portion 40 for fixing the filter portion 30 to a user's body. The filter portion 30 includes an inflow space portion 32 having an inlet 35 that communicates with a blood supply portion 50, an outflow space portion 33 having an outlet 36 that communicates with the indwelling portion 20, and a filter material 34 disposed between the inflow space portion 32 and the outflow space portion 33.
[Problem] To provide a leukocyte removal filter and a leukocyte removal system that can accommodate blood before the addition of a chemical solution and can remove leukocytes. [Solution] A leukocyte removal filter 30 that removes leukocytes from inflowing blood and comprises: a housing 31 that can accommodate a liquid therein; an inflow port 32 that is connected to the housing 31 and through which the liquid can flow into the housing 31; an outflow port 33 that is connected to the housing 31 and through which the liquid can flow out from inside the housing 31; a chemical solution addition port 34 that is connected to the housing 31 and through which a chemical solution can flow into the housing 31; and a filter medium 37 that is disposed so as to partition a flow path between the inflow port 32 and the outflow port 33 in the housing 31 and can remove leukocytes.
A medical filter (10A) comprises a plurality of inflow members (16A) that introduce a liquid (L) into an internal space (28) of a housing (12), a filter material (14) that is provided in the internal space (28), and an outflow member (18A) that discharges liquid (L) that has passed through the filter material (14) to the outside. The internal space (28) comprises a plurality of inflow regions (36) and a plurality of outflow regions (38). The plurality of inflow regions (36) are separated from the plurality of outflow regions (38) by respective pieces of the filter material (14).
A medical filter (10A) comprises a housing (12) having an inner surface (40) facing a filter medium (14). The inner surface (40) has a plurality of grooves (42A) that are recessed in the thickness direction of the housing (12). In a state in which an inflow member (16) is disposed above and an outflow member (18) is disposed below the inflow member (16), the cross-sectional area of the plurality of grooves (42A) increases from below to above.
B01D 29/00 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups Filtering elements therefor
Clot retrieval devices are described that may include a cutting element and a clot capture basket connected to a distal region of an elongated device body and located proximally or distally of each other. The cutting element may help remove or cut a clot from a vessel wall and/or may help cut or breakup a clot into smaller components/pieces. The capture basket may capture at least some of the clot (e.g., whole or smaller pieces) and withdraw the clot/pieces from the vessel. The device body may include one component or several different components that may move relative to each other to assist in the cutting and capture process.
This liquid medicine administration device includes a cartridge and a device body for administering a liquid medicine filled in a reservoir into a living body of a patient. The cartridge includes the reservoir. The device body includes: a movable part connected to a plunger movable in a longitudinal direction in the reservoir and capable of pressing the plunger to a tip side of the reservoir; a drive part for moving the movable part in a movable region; a battery for supplying power for driving the drive part; and a control part. The control part turns off a power source of the device body after separation of the cartridge from the device body and return of the movable part to an initial position are detected.
An intraocular drug administration device includes: an agent reservoir that is attachable to an eyeball of an organism, and has an outer cylinder portion configured to hold an agent in a state of being in contact with the eyeball; a first electrode that is provided in the outer cylinder portion and configured to be separated from the eyeball and cover at least a part of the eyeball, and that has a curved shape so as to be recessed in a direction away from the eyeball; a second electrode that is attached to an organism site energizable between the second electrode and the first electrode; and a power supply that supplies a current between the first electrode and the second electrode.
A61F 9/00 - Methods or devices for treatment of the eyesDevices for putting in contact-lensesDevices to correct squintingApparatus to guide the blindProtective devices for the eyes, carried on the body or in the hand
This information processing method involves storing, in a storage unit of a medical pump installation rack (2), drug information associated with each of a plurality of stages of installation bases of the medical pump installation rack (2), and determining whether or not drug information of a drug disposed in a medical pump (3) installed on the installation base matches drug information corresponding to the installation base stored in the storage unit. Drug information is acquired on the basis of information stored in a tag attached to a drug container (4) filled with a drug.
Provided are a medical device and a medical sheath that enable treatment to be performed in a body lumen while being spaced apart from the lumen wall. A medical device 10 comprises: a shaft 12 that has a distal end part 12a and extends along an axis; an operating part 14 that is provided on the distal end part 12a and operates in a body lumen; and a plurality of support parts 40 that support the distal end part 12a of the shaft 12 in the radial direction in the body lumen, are arranged at prescribed intervals in the circumferential direction around the distal end part 12a of the shaft 12, and include parallel support parts 40c extending along the axial direction of the shaft 12, wherein the plurality of support parts 40 can independently expand and contract in the radial direction.
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
This medical device 10 comprises: a shaft 12 that has a tip part 12a and extends along an axis; an action part 14 that is provided at the tip part 12a and acts within a biological lumen; and a shaft movement mechanism 16 that enables the tip part 12a of the shaft 12 to move in a radial direction while being parallel to the axis within the biological lumen. The shaft movement mechanism 16 includes a plurality of support parts 40 that support the shaft 12 in the radial direction within the biological lumen and are arranged at predetermined intervals in a circumferential direction at the tip part 12a of the shaft 12.
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
21.
EXACERBATION PREDICTION DEVICE, COMPUTER PROGRAM, EXACERBATION PREDICTION METHOD, PREDICTION MODEL GENERATION METHOD, AND PREDICTION MODEL GENERATION DEVICE
An exacerbation prediction system and method for heart failure. The system including a wearable device including a measuring sensor configured to acquire biological data of a patient; a control unit configured to: accumulate the biological data acquired by the measuring sensor as time-series data; generate feature amounts from the accumulated biological data, the generated feature amounts comprising: a temporal change feature amount that captures a temporal change in a state of the patient based on the time-series data, and an instantaneous feature amount that represents a value at a specific moment based on the accumulated biological data; and execute a prediction model stored in a non-transitory memory to calculate an exacerbation score as a continuous value based on the temporal change feature amount and the instantaneous feature amount; and a display configured to output a time-series graph of the exacerbation score representing transition of a change in the exacerbation score.
A61B 5/00 - Measuring for diagnostic purposes Identification of persons
G16H 10/60 - ICT specially adapted for the handling or processing of patient-related medical or healthcare data for patient-specific data, e.g. for electronic patient records
G16H 50/20 - ICT specially adapted for medical diagnosis, medical simulation or medical data miningICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for computer-aided diagnosis, e.g. based on medical expert systems
A balloon catheter is described having a reinforced, co-axial, duel lumen design. In some embodiments, the balloon catheter includes a purging mechanism designed to purge air from the balloon.
A drug solution administration device (10) is provided with: a housing part provided with shielding parts (22a, 12a) and non-shielding parts (22b, 12b); a moving member housed in the housing part and configured to move in conjunction with administration of a drug solution (C); and an indicator (20) provided on the moving member and readable by an information processing device (30). Before the start of administration of the drug solution (C), the indicator (20) is shielded by the shielding parts (22a, 12a), and when administration of the drug solution (C) is completed, the indicator (20) is positioned at the non-shielding parts (22b, 12b).
A medical pump according to the present disclosure comprises a detection unit, a storage unit, and a control unit. The detection unit is in contact with a liquid delivery tube and measures a measurement value corresponding to a change in the shape of the tube. The storage unit stores the measurement value measured by the detection unit. The control unit: compares a first measurement value measured at a first time with a second measurement value measured at a second time preceding the first time by a certain period; determines whether or not a first condition is satisfied, the first condition being that a change from the second measurement value to the first measurement value corresponds to a reduction in the outer diameter of the tube, and an amount of change between the second measurement value and the first measurement value is greater than or equal to a prescribed threshold; and executes a first process when the first condition is satisfied.
Disclosed herein are various examples of a catheter system for use in aiding with the retrieval or removal of a thrombus from a vessel. A dual-lumen catheter may include a first lumen for a guidewire and a second lumen for transferring an expansion medium to expand an expansile element. The same expansion medium may be expelled from the dual-lumen catheter through a port or opening that is proximal to the expansile element and distal to a thrombus so as to increase fluid pressure against the thrombus in a proximal direction. A triple-lumen catheter may utilize a first (guidewire) lumen, a second (expansion) lumen, and a third (pressure) lumen. In such a catheter, the expansion medium may be delivered through the second lumen and a pressure medium may be delivered through the third lumen. Also disclosed are various pressure relief mechanisms to prevent overexpansion, excess pressure, or vessel rupture.
A61B 17/22 - Implements for squeezing-off ulcers or the like on inner organs of the bodyImplements for scraping-out cavities of body organs, e.g. bonesSurgical instruments, devices or methods for invasive removal or destruction of calculus using mechanical vibrationsSurgical instruments, devices or methods for removing obstructions in blood vessels, not otherwise provided for
An 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
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.
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.
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
33.
MEASUREMENT DEVICE, PROGRAM, AND MEASUREMENT METHOD
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 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), .
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
46.
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 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 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 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
64.
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
71.
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
78.
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
79.
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
96.
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
97.
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
