A multi-pole synchronous pulmonary artery radiofrequency ablation catheter may comprise a control handle, a catheter body and an annular ring. One end of the catheter body may be flexible, and the flexible end of the catheter body may be connected to the annular ring. The other end of the catheter body may be connected to the control handle. A shape memory wire may be arranged in the annular ring. One end of the shape memory wire may extend to an end of the annular ring and the other end of the shape memory wire may pass through a root of the annular ring and be fixed on the flexible end of the catheter body. The annular ring may be provided with an electrode group. The device possesses advantages of simple operation, short operation time and controllable precise ablation. The device can be used to treat pulmonary hypertension or heart failure with pulmonary denervation.
A61B 18/12 - Instruments, dispositifs ou procédés chirurgicaux pour transférer des formes non mécaniques d'énergie vers le corps ou à partir de celui-ci par chauffage en faisant passer des courants à travers les tissus à chauffer, p. ex. des courants à haute fréquence
A61B 17/00 - Instruments, dispositifs ou procédés chirurgicaux
A61B 18/00 - Instruments, dispositifs ou procédés chirurgicaux pour transférer des formes non mécaniques d'énergie vers le corps ou à partir de celui-ci
Provided in the present disclosure are a catheter instrument and a heart failure treatment instrument. The catheter instrument comprises: a catheter body, having an instrument passing lumen, a balloon catheter passing lumen, a balloon pressurizing lumen and a pressure monitoring lumen, which are not in communication with one another; a balloon, which is connected to an outer wall of the catheter body in a sealing manner and is in communication with a distal end of the balloon pressurizing lumen; a connecting base, which is connected to a proximal end of the catheter body and comprises an end opening in communication with the instrument passing lumen, a first side opening in communication with the balloon catheter passing lumen, a second side opening in communication with the balloon pressurizing lumen and a third side opening in communication with the pressure monitoring lumen, wherein the end opening is configured to allow a medical instrument to pass therethrough, and the first side opening is configured to allow a balloon catheter to pass therethrough; a first side branch tube, which is in communication with the second side opening and is configured to input a balloon pressurizing medium; and a second side branch tube, which is in communication with the third side opening and is configured to input a pressure monitoring medium.
A61B 17/12 - Instruments, dispositifs ou procédés chirurgicaux pour ligaturer ou comprimer par un autre moyen les parties tubulaires du corps, p. ex. les vaisseaux sanguins ou le cordon ombilical
A61M 39/06 - Soupapes hémostatiques, c.-à-d. éléments formant joint autour d'une aiguille, d'un cathéter ou similaire, et se fermant après leur retrait
3.
CATHETER DEVICE AND HEART FAILURE TREATMENT INSTRUMENT
Provided are a catheter device and a heart failure treatment instrument. The catheter device comprises: a multi-lumen catheter, which is provided with a first lumen, a second lumen, a third lumen and a fourth lumen, the catheter wall of the multi-lumen catheter being sequentially provided with a first through hole, a second through hole and a third through hole in the direction away from the distal end of the multi-lumen catheter, the first lumen penetrating through the multi-lumen catheter and being used for a guide wire to pass therethrough, the second lumen having a closed distal end and being communicated with the second through hole so as to be used for delivering lymphatic fluid or a contrast liquid through the second through hole, the third lumen having a closed distal end and extending to the proximal end of the multi-lumen catheter, the third lumen being communicated with the first through hole so as to be used for delivering a pressurizing medium through the first through hole, the fourth lumen having a closed distal end and extending to the proximal end of the multi-lumen catheter, and the fourth lumen being communicated with the third through hole so as to be used for delivering the pressurizing medium through the third through hole; a first balloon, sealedly connected to the outer wall of the multi-lumen catheter and communicated with the third lumen by means of the first through hole; and a second balloon, sealedly connected to the outer wall of the multi-lumen catheter and communicated with the fourth lumen by means of the third through hole.
Provided in the present disclosure are a balloon sheath and a heart failure treatment instrument. The balloon sheath comprises: a main sheath, which is provided with a main sheath cavity, an auxiliary sheath cavity, a first pressurizing sheath cavity and a second pressurizing sheath cavity, wherein the main sheath cavity is used for guiding the passage of a diagnosis and treatment instrument therethrough, and the auxiliary sheath cavity is used for guiding the passage of the balloon catheter therethrough; a first balloon, which is connected to an outer wall of the main sheath in a sealed manner and is in communication with the first pressurizing sheath cavity and the second pressurizing sheath cavity; a main connecting seat, which is connected to a proximal end of the main sheath and comprises a first port in communication with the main sheath cavity, a second port in communication with the auxiliary sheath cavity, a first side opening in communication with the main sheath cavity, and a second side opening in communication with the first pressurizing sheath cavity and the second pressurizing sheath cavity; an auxiliary sheath, which is in communication with the second port; an auxiliary connecting seat, which is connected to a proximal end of the auxiliary sheath and comprises a third port in communication with the auxiliary sheath and a third side opening, wherein the third port is used for allowing the balloon catheter to enter; and a first side branch pipe in communication with the first side opening, a second side branch pipe in communication with the second side opening, and a third side branch pipe in communication with the third side opening.
A61M 39/06 - Soupapes hémostatiques, c.-à-d. éléments formant joint autour d'une aiguille, d'un cathéter ou similaire, et se fermant après leur retrait
A61B 17/12 - Instruments, dispositifs ou procédés chirurgicaux pour ligaturer ou comprimer par un autre moyen les parties tubulaires du corps, p. ex. les vaisseaux sanguins ou le cordon ombilical
A61M 60/139 - Pompes ou dispositifs de pompage implantables, c.-à-d. que le sang est pompé à l’intérieur du corps du patient implantables par, dans, à l’intérieur, en ligne, se ramifiant dans ou autour d’un vaisseau sanguin à l’intérieur d’un vaisseau sanguin, p. ex. par greffe à l’intérieur de l’aorte, p. ex. pompes à ballon intra-aortiques
A61M 60/295 - Pompes à ballon pour assistance circulatoire
A61M 60/841 - Détails structurels autres que ceux relatifs à l’entraînement de la pompe des pompes à ballon d’assistance circulatoire
A61M 60/843 - Aspects du ballon, p. ex. formes ou matériaux
A61M 60/855 - Détails structurels autres que ceux relatifs à l’entraînement de la pompe pour pompes ou dispositifs de pompage implantables
5.
CATHETER DEVICE AND HEART FAILURE TREATMENT INSTRUMENT
A catheter device (100) and a heart failure treatment instrument. The catheter device (100) comprises an inner balloon catheter (200) and an outer balloon catheter (400). The inner balloon catheter (200) comprises a first multi-lumen tube (21), a first single-lumen tube (22), a first balloon (23) and a first connecting base (24). The outer balloon catheter (400) comprises: a second multi-lumen tube (41), which has a third lumen (411) and a fourth lumen (412) that are not in communication with each other; a second single-lumen tube (42), which is in communication with a distal end of the third lumen (411); a second balloon (43), which is connected to an outer wall of the second multi-lumen tube (41) and an outer wall of the second single-lumen tube (42) in a sealing manner and is in communication with a distal end of the fourth lumen (412); and a second connecting base (44), which is connected to a proximal end of the second multi-lumen tube (41) and comprises a third joint (441) in communication with the third lumen (411), a fourth joint (442) in communication with the fourth lumen (412), and a locking structure (443) provided at a proximal end of the third joint (441), wherein the third joint (441), the third lumen (411) and the second single-lumen tube (42) are configured to allow the inner balloon catheter (200) to pass through, the fourth joint (442) and the fourth lumen (412) are configured to deliver a pressurizing medium, and the locking structure (443) is configured to lock the inner balloon catheter (200) at a relative sliding position in the outer balloon catheter (400).
Provided are a heart failure therapeutic main unit and a heart failure therapeutic instrument. The heart failure therapeutic main unit is configured to be assembled with and connected to a syringe, wherein the syringe comprises a barrel and a plunger rod, which is located in the barrel; and a tail end of the plunger rod is provided with at least one pull hook. The heart failure therapeutic main unit comprises: an end cover, which is configured to limit the syringe at an unlocking position and a locking position, the locking position being reached by the syringe rotating on the axis thereof from the unlocking position; a rotating head, which is configured to axially limit the barrel and which can be driven by the barrel to rotate; and a push-pull rod, which is configured to drive, along the axis, the plunger rod to advance and retreat, wherein an engagement slot is provided in a peripheral side of a front end of the push-pull rod; the push-pull rod is provided with at least one avoidance notch, which extends from a front end face so as to be in communication with the engagement slot; when the syringe is at the unlocking position, the at least one pull hook is located in the engagement slot and is opposite the at least one avoidance notch in a one-to-one correspondence manner; and when the syringe is at the locking position, the at least one pull hook is located in the engagement slot and is not opposite the at least one avoidance notch.
A multi-pole synchronous pulmonary artery radiofrequency ablation catheter may comprise a control handle, a catheter body and an annular ring. One end of the catheter body may be flexible, and the flexible end of the catheter body may be connected to the annular ring. The other end of the catheter body may be connected to the control handle. A shape memory wire may be arranged in the annular ring. One end of the shape memory wire may extend to an end of the annular ring and the other end of the shape memory wire may pass through a root of the annular ring and be fixed on the flexible end of the catheter body. The annular ring may be provided with an electrode group. The device can be used to treat pulmonary hypertension or heart failure with pulmonary denervation.
A61B 18/00 - Instruments, dispositifs ou procédés chirurgicaux pour transférer des formes non mécaniques d'énergie vers le corps ou à partir de celui-ci
A61B 18/12 - Instruments, dispositifs ou procédés chirurgicaux pour transférer des formes non mécaniques d'énergie vers le corps ou à partir de celui-ci par chauffage en faisant passer des courants à travers les tissus à chauffer, p. ex. des courants à haute fréquence
A temperature control method for a pulmonary artery radio frequency ablation system. The radio frequency ablation system (100) comprises a radio frequency energy source (110), an ablation electrode (120), and a temperature sensing line (130). The method comprises: acquiring a temperature measurement value of the current moment measured by the temperature sensing line (130); comparing the temperature measurement value of the current moment with a preset target temperature; if the temperature measurement value of the current moment is less than the target temperature, controlling the radio frequency energy source (110) to supply energy to the ablation electrode (120); if the temperature measurement value of the current moment is greater than or equal to the target temperature, comparing the temperature measurement value of the current moment with a temperature measurement value of the previous moment; and if the temperature measurement value of the current moment is greater than the temperature measurement value of the previous moment, controlling the radio frequency energy source (110) to suspend the energy supply to the ablation electrode (120).
A multi-pole synchronous pulmonary artery radiofrequency ablation catheter may comprise a control handle, a catheter body and an annular ring. One end of the catheter body may be flexible, and the flexible end of the catheter body may be connected to the annular ring. The other end of the catheter body may be connected to the control handle. A shape memory wire may be arranged in the annular ring. One end of the shape memory wire may extend to an end of the annular ring and the other end of the shape memory wire may pass through a root of the annular ring and be fixed on the flexible end of the catheter body. The annular ring may be provided with an electrode group. The device possesses advantages of simple operation, short operation time and controllable precise ablation. The device can be used to treat pulmonary hypertension with pulmonary denervation.
A61B 18/12 - Instruments, dispositifs ou procédés chirurgicaux pour transférer des formes non mécaniques d'énergie vers le corps ou à partir de celui-ci par chauffage en faisant passer des courants à travers les tissus à chauffer, p. ex. des courants à haute fréquence
A multi-pole synchronous pulmonary artery radiofrequency ablation catheter may comprise a control handle, a catheter body and an annular ring. One end of the catheter body may be flexible, and the flexible end of the catheter body may be connected to the annular ring. The other end of the catheter body may be connected to the control handle. A shape memory wire may be arranged in the annular ring. One end of the shape memory wire may extend to an end of the annular ring and the other end of the shape memory wire may pass through a root of the annular ring and be fixed on the flexible end of the catheter body. The annular ring may be provided with an electrode group. The device possesses advantages of simple operation, short operation time and controllable precise ablation. The device can be used to treat pulmonary hypertension with pulmonary denervation.
A61N 1/06 - Électrodes pour traitement à haute fréquence
A61B 18/12 - Instruments, dispositifs ou procédés chirurgicaux pour transférer des formes non mécaniques d'énergie vers le corps ou à partir de celui-ci par chauffage en faisant passer des courants à travers les tissus à chauffer, p. ex. des courants à haute fréquence
A61B 18/00 - Instruments, dispositifs ou procédés chirurgicaux pour transférer des formes non mécaniques d'énergie vers le corps ou à partir de celui-ci
A61B 17/00 - Instruments, dispositifs ou procédés chirurgicaux
Systems, devices, and method for performing pulmonary artery denervation are disclosed. An ablation device is positioned in a pulmonary artery trunk of a patient. Target tissue is ablated in the pulmonary artery trunk under conditions effective to affect a reduction in mean pulmonary artery pressure and systolic pulmonary artery pressure. The target tissue includes at least one of the distal portion of the main pulmonary artery, the proximal portion of the left pulmonary artery, or the proximal portion of the right pulmonary artery.
A61B 18/12 - Instruments, dispositifs ou procédés chirurgicaux pour transférer des formes non mécaniques d'énergie vers le corps ou à partir de celui-ci par chauffage en faisant passer des courants à travers les tissus à chauffer, p. ex. des courants à haute fréquence
A61N 1/06 - Électrodes pour traitement à haute fréquence
A61B 18/00 - Instruments, dispositifs ou procédés chirurgicaux pour transférer des formes non mécaniques d'énergie vers le corps ou à partir de celui-ci
A61M 25/01 - Introduction, guidage, avance, mise en place ou maintien en position des cathéters
A multi-pole synchronous pulmonary artery radiofrequency ablation catheter, wherein an adjustment apparatus is arranged on a control handle; a catheter body is hollow, and a cavity is arranged therein; a lead wire, a temperature sensing wire and a pull wire are arranged in the cavity; one end of the catheter body is flexible, and the flexible end is connected to an annular ring; the other end of the catheter body is connected to the control handle; one end of the pull wire is connected to the flexible end, and the other end of the pull wire is connected to the adjustment apparatus on the control handle, the tension of the pull wire is adjusted through the adjustment apparatus to achieve radian control of the flexible end; a shape memory wire is arranged in the annular ring, one end of the shape memory wire extends to the end of the annular ring and the other end of the shape memory wire passes through the root of the annular ring and is fixed on the flexible end of the catheter body; the annular ring is provided with an electrode group with each electrode connected to the lead wire and temperature sensing wire; the lead wire and temperature sensing wire go through the catheter body and are electrically connected to the control handle. The device uses cold saline perfusion method to protect the vascular intima and possesses advantages of simple operation, short operation time and controllable precise ablation. The device can be used to treat pulmonary hypertension with pulmonary denervation.
A61B 18/12 - Instruments, dispositifs ou procédés chirurgicaux pour transférer des formes non mécaniques d'énergie vers le corps ou à partir de celui-ci par chauffage en faisant passer des courants à travers les tissus à chauffer, p. ex. des courants à haute fréquence
A61N 1/32 - Application de courants électriques par électrodes de contact courants alternatifs ou intermittents
A multi-pole synchronous pulmonary artery radiofrequency ablation catheter, wherein an adjustment apparatus is arranged on a control handle; a catheter body is hollow, and a cavity is arranged therein; a lead wire, a temperature sensing wire and a pull wire are arranged in the cavity; one end of the catheter body is flexible, and the flexible end is connected to an annular ring; the other end of the catheter body is connected to the control handle; one end of the pull wire is connected to the flexible end, and the other end of the pull wire is connected to the adjustment apparatus on the control handle, the tension of the pull wire is adjusted through the adjustment apparatus to achieve radian control of the flexible end; a shape memory wire is arranged in the annular ring, one end of the shape memory wire extends to the end of the annular ring and the other end of the shape memory wire passes through the root of the annular ring and is fixed on the flexible end of the catheter body; the annular ring is provided with an electrode group with each electrode connected to the lead wire and temperature sensing wire; the lead wire and temperature sensing wire go through the catheter body and are electrically connected to the control handle. The device uses cold saline perfusion method to protect the vascular intima and possesses advantages of simple operation, short operation time and controllable precise ablation. The device can be used to treat pulmonary hypertension with pulmonary denervation.
A61B 18/12 - Instruments, dispositifs ou procédés chirurgicaux pour transférer des formes non mécaniques d'énergie vers le corps ou à partir de celui-ci par chauffage en faisant passer des courants à travers les tissus à chauffer, p. ex. des courants à haute fréquence
A multi-pole synchronous pulmonary artery radiofrequency ablation catheter, wherein an adjustment apparatus is arranged on a control handle; a catheter body is hollow, and a cavity is arranged therein; a lead wire, a temperature sensing wire and a pull wire are arranged in the cavity; one end of the catheter body is flexible, and the flexible end is connected to an annular ring; the other end of the catheter body is connected to the control handle; one end of the pull wire is connected to the flexible end, and the other end of the pull wire is connected to the adjustment apparatus on the control handle, the tension of the pull wire is adjusted through the adjustment apparatus to achieve radian control of the flexible end; a shape memory wire is arranged in the annular ring, one end of the shape memory wire extends to the end of the annular ring and the other end of the shape memory wire passes through the root of the annular ring and is fixed on the flexible end of the catheter body; the annular ring is provided with an electrode group with each electrode connected to the lead wire and temperature sensing wire; the lead wire and temperature sensing wire go through the catheter body and are electrically connected to the control handle. The device uses cold saline perfusion method to protect the vascular intima and possesses advantages of simple operation, short operation time and controllable precise ablation. The device can be used to treat pulmonary hypertension with pulmonary denervation.
A61B 18/12 - Instruments, dispositifs ou procédés chirurgicaux pour transférer des formes non mécaniques d'énergie vers le corps ou à partir de celui-ci par chauffage en faisant passer des courants à travers les tissus à chauffer, p. ex. des courants à haute fréquence
A61N 1/32 - Application de courants électriques par électrodes de contact courants alternatifs ou intermittents
A multi-pole synchronous pulmonary artery radiofrequency ablation catheter may comprise a control handle, a catheter body and an annular ring. One end of the catheter body may be flexible, and the flexible end of the catheter body may be connected to the annular ring. The other end of the catheter body may be connected to the control handle. A shape memory wire may be arranged in the annular ring. One end of the shape memory wire may extend to an end of the annular ring and the other end of the shape memory wire may pass through a root of the annular ring and be fixed on the flexible end of the catheter body. The annular ring may be provided with an electrode group. The device possesses advantages of simple operation, short operation time and controllable precise ablation. The device can be used to treat pulmonary hypertension with pulmonary denervation.
A61B 18/12 - Instruments, dispositifs ou procédés chirurgicaux pour transférer des formes non mécaniques d'énergie vers le corps ou à partir de celui-ci par chauffage en faisant passer des courants à travers les tissus à chauffer, p. ex. des courants à haute fréquence
A61B 18/00 - Instruments, dispositifs ou procédés chirurgicaux pour transférer des formes non mécaniques d'énergie vers le corps ou à partir de celui-ci
A61B 17/00 - Instruments, dispositifs ou procédés chirurgicaux
A multi-pole synchronous pulmonary artery radiofrequency ablation catheter may comprise a control handle, a catheter body and an annular ring. One end of the catheter body may be flexible, and the flexible end of the catheter body may be connected to the annular ring. The other end of the catheter body may be connected to the control handle. A shape memory wire may be arranged in the annular ring. One end of the shape memory wire may extend to an end of the annular ring and the other end of the shape memory wire may pass through a root of the annular ring and be fixed on the flexible end of the catheter body. The annular ring may be provided with an electrode group. The device possesses advantages of simple operation, short operation time and controllable precise ablation. The device can be used to treat pulmonary hypertension with pulmonary denervation.
A61B 18/12 - Instruments, dispositifs ou procédés chirurgicaux pour transférer des formes non mécaniques d'énergie vers le corps ou à partir de celui-ci par chauffage en faisant passer des courants à travers les tissus à chauffer, p. ex. des courants à haute fréquence
A61M 25/01 - Introduction, guidage, avance, mise en place ou maintien en position des cathéters
A61N 1/06 - Électrodes pour traitement à haute fréquence
A61B 18/00 - Instruments, dispositifs ou procédés chirurgicaux pour transférer des formes non mécaniques d'énergie vers le corps ou à partir de celui-ci
A61B 17/00 - Instruments, dispositifs ou procédés chirurgicaux
Disclosed herein is a controller for controlling ablation of a target tissue of a patient with an ablation device comprising at least one electrode and at least one sensor. The controller typically comprises a storage medium and one or more computing devices operably coupled with the storage medium. The storage medium can comprise patient image data and the one or more computing devices are configured to direct power to the at least one electrode.
A61B 18/12 - Instruments, dispositifs ou procédés chirurgicaux pour transférer des formes non mécaniques d'énergie vers le corps ou à partir de celui-ci par chauffage en faisant passer des courants à travers les tissus à chauffer, p. ex. des courants à haute fréquence
A61B 18/00 - Instruments, dispositifs ou procédés chirurgicaux pour transférer des formes non mécaniques d'énergie vers le corps ou à partir de celui-ci
A61B 17/00 - Instruments, dispositifs ou procédés chirurgicaux
A multi-pole synchronous pulmonary artery radiofrequency ablation catheter includes an adjustment apparatus arranged on a control handle; a lead wire, a temperature sensing wire and a pull wire arranged in a cavity of a catheter body; and an annular ring connected to a flexible end of the catheter body. One end of the pull wire is connected to the flexible end and the other end of the pull wire is connected to the adjustment apparatus. The tension of the pull wire is adjusted through the adjustment apparatus to achieve radian control of the flexible end. A shape memory wire is arranged in the annular ring. The annular ring is provided with an electrode group with each electrode connected to the lead wire and temperature sensing wire; the lead wire and temperature sensing wire go through the catheter body and are electrically connected to the control handle.
A61B 18/12 - Instruments, dispositifs ou procédés chirurgicaux pour transférer des formes non mécaniques d'énergie vers le corps ou à partir de celui-ci par chauffage en faisant passer des courants à travers les tissus à chauffer, p. ex. des courants à haute fréquence
A61M 25/01 - Introduction, guidage, avance, mise en place ou maintien en position des cathéters
A61N 1/06 - Électrodes pour traitement à haute fréquence
A61B 18/00 - Instruments, dispositifs ou procédés chirurgicaux pour transférer des formes non mécaniques d'énergie vers le corps ou à partir de celui-ci
A61B 17/00 - Instruments, dispositifs ou procédés chirurgicaux
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