Disclosed are an ultrasonic ablation catheter and an ultrasonic ablation device. The ultrasonic ablation catheter comprises: a central cavity tube, provided with a central hole formed in the axial direction of the central cavity tube; a central wire, provided with at least one ultrasonic transducer, a first end of the central wire being movably arranged through the central hole and being switchable between a contracted state and an extended state; and an elastic support pre-formed into a preset shape and sheathing the central wire, a first end of the elastic support being movably arranged through the central hole and being switchable between a compressed state and an expanded state.
A method for determining an ablation endpoint of an intravascular nerve ablation, and an ablation device. The determination method comprises the following steps: setting target values and target change ranges of operating parameters, wherein the operating parameters at least include power, temperature, impedance, related operating parameters, ablation duration and the like; sending an ablation catheter to a target ablation position and confirming good electrode contact; periodically collecting operating parameter data at each electrode at set time intervals; and performing corresponding calculation processing on each round of collected data to obtain related processing data such as power, temperature, impedance difference, growth rate, maximum value, minimum value, maximum fluctuation range, and standard deviation; and comprehensively determining an ablation endpoint on the basis of collected data of the power, temperature, impedance, and ablation duration, and processed data of the power, temperature, and impedance.
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 bioimpedance measurement method and system based on multi-channel radio frequency transmission. The bioimpedance measurement method comprises the following steps: setting measurement-related parameters; a channel radio frequency control module switches from a radio frequency mode to a measurement mode; opening a measurement channel unit, adjusting the DCP value of the channel to a set second DCP value, closing the remaining channel units, and adjusting the DCP value of the closed channels to 0; the measurement channel unit emits a radio frequency signal, and analog DC voltage and analog DC current are obtained after conversion via circuits; an analog-to-digital conversion module collects the analog DC voltage and the analog DC current a set number of times and converts same into corresponding digital signals; and according to an impedance fitting formula, performing a calculation to obtain the impedance value of a current measurement by the channel.
A flexible balloon for wall-adhesion monitoring, and a wall-adhesion monitoring system. The flexible balloon comprises a balloon body (1) and a flexible electrode (2) mounted on the outside of the balloon body (1). The flexible electrode (2) comprises: two electrode pieces (21), which are attached to the outside of the flexible balloon at an interval and used to monitor impedance and capacitive reactance; a flexible pull wire (22), which is connected between the two electrode pieces (21) and used to tightly hold the balloon body (1) when the balloon body (1) is in an expanded state; two metal guide wires (23), which are respectively correspondingly connected to the two electrode pieces (21), so as to form a monitoring loop; and two insulating films (24), which are respectively arranged on two sides of the two metal guide wires (23) so as to be attached to the outside of the balloon body (1), thereby limiting the relative positions of the flexible electrode (2) and the balloon body (1). In the flexible balloon, as the interior of the balloon body (1) is continuously filled with normal saline, the two electrode pieces (21) are continuously adhered to the inner wall of a blood vessel, such that the impedance and capacitive reactance in the monitoring loop continuously change; thus, it can be determined whether the flexible balloon is tightly adhered to the inner wall of the blood vessel, thereby ensuring the ablation effect.
A61B 18/04 - Instruments, dispositifs ou procédés chirurgicaux pour transférer des formes non mécaniques d'énergie vers le corps ou à partir de celui-ci par chauffage
Disclosed in the present invention are an ultrasonic ablation device and system. The ultrasonic ablation device comprises: a control part, used for automatic control of ultrasonic ablation; a catheter, connected to the control part and at least comprises a water inlet cavity, a water outlet cavity, and a wire cavity; an ultrasonic transducer, arranged at the distal end of the catheter and connected to the control part so as to be switched between an ablation mode and a measurement mode, wherein the ultrasonic transducer is used for ultrasonic ablation in the ablation mode, and is used for temperature measurement in the measurement mode; a flexible ablation balloon, sleeved outside the ultrasonic transducer; a flexible electrode, mounted on the outer side of the balloon and used for measuring impedance; and a pressure sensor, mounted on the inner side of the balloon and used for measuring water pressure, wherein the control part is used for receiving the impedance, the water pressure, and the temperature so as to determine, on the basis of a first determination logic, whether the flexible ablation balloon is completely attached to a vessel wall; on the basis of a switching logic, controlling the ultrasonic transducer to perform mode switching; and on the basis of a second determination logic, determining whether an ablation end point is reached.
Disclosed in the present invention are a focused ultrasound ablation catheter and a device. The focused ultrasound ablation catheter comprises a multi-chamber tube as a catheter body; a first ultrasound transducer, arranged at a distal end of the catheter body and electrically connected to a control part, the first ultrasound transducer being parallel to a central axis of the catheter body to be used for measuring a distance and a temperature of an inner wall of a blood vessel, thereby calculating an ablation target region and measuring a temperature of the target region for calculation of an output power of second ultrasound transducers and determination of an ablation end point; and at least two second ultrasound transducers, arranged at the distal end of the catheter body and electrically connected to the control part, the second ultrasound transducers and the central axis of the catheter body forming a set included angle, and the at least two second ultrasound transducers being symmetrical about the first ultrasound transducer for determining an ablation focus and performing focused ablation. By means of the catheter, energy transmitted by sound waves can be concentrated in a focused ablation region, and other regions are not ablated.
A medical ablation catheter, an ablation system, and an ablation method. The medical ablation catheter comprises a first catheter (1); a second catheter (2), comprising an inner catheter (21) and an outer catheter (22); a conductive part (3), connected to the first catheter (1) and the inner catheter (21), the distal end of the conductive part (3) being fixed within the first catheter (1), the proximal end of the conductive part (3) being fixed on the inner catheter (21); an adjustment part (4), the distal end thereof being fixed within the first catheter (1), the proximal end thereof being movably arranged within the inner catheter (21) in a penetrating manner. The conductive part (3) can be switched between a linear state and an expanded state, and ablation is performed when the conductive part (3) is in the expanded state.
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
A blood pressure monitoring apparatus, system and method based on an ultrasonic wave. The blood pressure monitoring apparatus comprises a wearing portion and a monitoring portion, wherein the wearing portion is connected to the monitoring portion end to end, so as to form a ring. The monitoring portion comprises an ultrasonic transducer, a controller, a display and a power supply portion. The ultrasonic transducer comprises a first ultrasonic transduction portion and a second ultrasonic transduction portion, wherein the first ultrasonic transduction portion is arranged in a first direction and emits a first ultrasonic wave, and the second ultrasonic transduction portion is arranged in a second direction and emits a second ultrasonic wave. The controller is electrically connected to the ultrasonic transducer, so as to acquire a blood vessel diameter and a blood vessel type on the basis of an electrical signal fed back by the first ultrasonic transduction portion, and to acquire a blood flow velocity on the basis of an electrical signal fed back by the second ultrasonic transduction portion, thereby calculating a blood pressure monitoring result of a blood vessel, and feeding the blood pressure monitoring result back to the display for picture display. Therefore, by using the blood pressure monitoring apparatus, a blood pressure state of a user can be monitored in real time 24 hours a day when the comfort level is ensured.
Disclosed in the present invention are an ultrasonic wave-based automated blood pressure monitoring method and system. The automated blood pressure monitoring method comprises the following steps: on the basis of a flexible ultrasonic transducer array provided on the body surface of a user, transmitting an ultrasonic wave, and receiving a blood vessel image of a target region, so as to recognize an artery; on the basis of the position of the artery, determining a working region of the flexible ultrasonic transducer array, the working region comprising a first ultrasonic transducer used for measuring a blood vessel diameter and a second ultrasonic transducer used for measuring a blood flow; measuring the blood vessel diameter of the artery by using the first ultrasonic transducer in the working region; measuring the blood flow of the artery by using the second ultrasonic transducer in the working region; on the basis of the blood vessel diameter and the blood flow of the artery, calculating a current blood pressure of the user by means of a preset algorithm, so as to finish the blood pressure monitoring of this round; and after a preset duration, performing blood pressure monitoring of a next round.
Disclosed in the present invention are an ablation catheter and a corresponding ablation system and ablation method. The ablation catheter comprises a handle, a microcatheter and a guide wire, wherein the microcatheter comprises an expansion portion and an accommodating portion, the expansion portion being fixed at the distal end of the accommodating portion, each of the expansion portion and the accommodating portion being internally provided with a channel to accommodate the guide wire, and the expansion portion comprising one or more metal wires, at least some of which are each provided with an electrode for ablation; the handle is configured to push/pull or rotate the guide wire and the microcatheter, the accommodating portion and the guide wire are separately connected to the handle, and the guide wire slides or rotates in a reciprocating manner along the channel under the control of the handle; and the guide wire comprises a soft section, a conformal section and a positioning block, the soft section being located on the distal side of the conformal section, and the positioning block being located between the soft section and the conformal section. The present invention implements accurate guidance by using the guide wire, and effectively expands the expansion portion by means of the positioning block on the guide wire, such that not only is the controllability of the guide wire ensured, but also the superselection capability of the guide wire is enhanced.
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
An automatic determination method and system for an intravascular nerve ablation end point. The method comprises the following steps: setting working parameters; injecting normal saline into a balloon when moving the balloon to a target ablation area; measuring the pressure in the balloon and the impedance of the outer surface of the balloon and feeding back the pressure and the impedance to a control system; starting an ablation mode by an ultrasonic transducer, and starting to calculate an ablation duration; the ultrasonic transducer switching to a temperature measurement mode, measuring the temperature of the ablation area and feeding back the temperature to the control system; and on the basis of related working parameters measured in real time, the control system determining, by means of a machine learning model, whether an ablation end point of the area is reached. According to the method and the system, by setting a plurality of working parameters and performing measurement in real time, and by means of intelligent evaluation by the machine learning model, high-precision automatic determination for an intravascular nerve ablation end point is achieved.
A61B 90/00 - Instruments, outillage ou accessoires spécialement adaptés à la chirurgie ou au diagnostic non couverts par l'un des groupes , p. ex. pour le traitement de la luxation ou pour la protection de bords de blessures
Disclosed in the present invention are an automatic determination method and system for ultrasound ablation balloon apposition. The method comprises the following steps: setting related working parameters; after a balloon moves to a target ablation area, injecting normal saline; measuring a pressure in the balloon and an impedance value outside the balloon, and feeding back same to a control system; and determining whether the balloon fits with the wall of a blood vessel well. According to the technical solution of the present invention, a pressure in a balloon and an impedance value outside the balloon are measured at the same time and compared with set values and set change ranges, such that accurate and automatic determination of an ultrasound ablation balloon fitting with the wall of a blood vessel is achieved, and it is ensured that ablation work is started after the ultrasound ablation balloon fits with the wall well, thereby greatly improving the ultrasonic transmission efficiency and the ablation operation effect.
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 blood pump system, comprising: a heart circulation pump (1) for being arranged in a heart so as to pump blood in the heart into an aorta; an aorta circulation pump (2) for being arranged in the aorta so as to supply blood in the aorta to a set organ; and a power transmission section (3) connected between the heart circulation pump (1) and the aorta circulation pump (2) so as to realize power transmission. The blood pump system is capable of accelerating the circulation of the blood in the heart and the blood in the aorta by means of the heart circulation pump (1) and the aorta circulation pump (2), respectively, thus assisting in improving the blood supply function of the heart. Moreover, rotating blades (112) of the blood pump system are adjustable. When in use, the rotating blades in a fully folded state allow the blood pump system to be placed into a body by means of a simple interventional operation, and then the rotating blades are unfolded to a semi-unfolded state or a fully unfolded state in the body to improve the blood flow condition.
A61M 60/211 - Pompes pour le sang à déplacement non positif utilisant un jet, un effet venturi ou d’entraînement pour pomper le sang
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 60/178 - Pompes ou dispositifs de pompage implantables, c.-à-d. que le sang est pompé à l’intérieur du corps du patient implantables dans ou sur le cœur, ou autour du cœur prélevant le sang d’un ventricule et renvoyant le sang vers le système artériel par une canule externe au ventricule, p. ex. dispositifs d’assistance pour ventricule gauche ou droit
A61M 60/414 - Détails concernant l’entraînement des pompes pour le sang à déplacement non positif la force agissant sur l’élément en contact avec le sang étant mécanique, p. ex. transmise par un arbre ou un câble générée par un moteur électrique transmise par un câble rotatif, p. ex. pour pompes pour le sang montées sur cathéter
A61M 60/812 - Aubes ou pales, p. ex. guides statiques d'écoulement
A61M 60/90 - Détails non prévus dans les groupes , ou
A closed pressure sensor, comprising a light-emitting portion, a grating portion and a photoelectric portion, wherein the light-emitting portion is a light source bin and is used for providing a light source; the grating portion is a pressure-sensitive element and is used for changing a light path according to a change in fluid pressure; the photoelectric portion is a signal processing unit and is used for converting an optical signal into an electric signal and providing the electric signal for an external monitoring device; and the light-emitting portion, the grating portion and the photoelectric portion are sequentially connected and combined to form the closed pressure sensor. When there is a change in fluid pressure of an environment where a closed pressure sensor is located, a grating portion deforms, such that a light channel therein changes, and a photoelectric portion converts a captured optical signal into an electric signal and outputs same, thereby realizing real-time monitoring of the fluid pressure of the environment where the closed pressure sensor is located.
G01L 11/02 - Mesure de la pression permanente, ou quasi permanente d'un fluide ou d'un matériau solide fluent par des moyens non prévus dans les groupes ou par des moyens optiques
A61B 5/0215 - Mesure de la pression dans le cœur ou dans les vaisseaux sanguins par des moyens introduits dans le corps
A61B 5/03 - Mesure de la pression des fluides à l'intérieur du corps autre que la pression du sang, p. ex. de la pression cérébrale
15.
VISUAL ULTRAVIOLET ABLATION CATHETER AND ABLATION APPARATUS
Disclosed in the present invention are a visual ultraviolet ablation catheter and an ablation apparatus. The ablation catheter comprises a control handle in which a plurality of electrical elements are provided for ablation control; a catheter body having a proximal end mounted on the control handle and provided with a plurality of ultraviolet channels, and a concave lens for refracting or scattering ultraviolet light is provided at an exiting port of at least one of the plurality of ultraviolet channels, so as to control the irradiation angle and the irradiation range of the ultraviolet light; and an ultraviolet source mounted on the control handle or the catheter body and corresponding to the plurality of ultraviolet channels, such that the ultraviolet source is controlled by the control handle to emit the ultraviolet light toward the at least one ultraviolet channel. In the ablation catheter, the plurality of ultraviolet channels are formed in the catheter body, and a convex lens or a concave lens is provided at the exiting port of the ultraviolet channel, such that the irradiation angles and the irradiation ranges of the ultraviolet channels are different to meet different ablation requirements.
A61B 18/18 - Instruments, dispositifs ou procédés chirurgicaux pour transférer des formes non mécaniques d'énergie vers le corps ou à partir de celui-ci par application de radiations électromagnétiques, p. ex. de micro-ondes
A duodenum ablation catheter and an ablation device. The ablation catheter comprises: a catheter body (1), which comprises an air channel (101), a liquid channel (102) and a waste liquid recovery channel (103), which are independent of one another, an outer wall of the catheter body (1) being provided with two first openings (11), a second opening (12) and a third opening (13), the two first openings (11) both being in communication with the air channel (101), the second opening (12) being in communication with the liquid channel (102), and the third opening (13) being in communication with the waste liquid recovery channel (103); two dilatation balloons (2), which are fixedly sleeved on the outside of the catheter body (1) and corresponding to the two first openings (11) on a one-to-one basis, and are configured to switch between a dilated state and a contracted state; and a spraying balloon (3), which is fixedly sleeved on the outside of the catheter body (1), is located between the two adjacent dilatation balloons (2) and corresponding to the second opening (12), and is configured to spray liquid outwards, the third opening (13) being located between the two adjacent dilatation balloons (2) for recovering waste liquid. The ablation catheter can form a closed cavity in the intestinal canal by means of the dilatation balloons (2), which prevents an ablation liquid from flowing out, thereby ensuring the effectiveness and safety of ablation.
A61B 18/04 - Instruments, dispositifs ou procédés chirurgicaux pour transférer des formes non mécaniques d'énergie vers le corps ou à partir de celui-ci par chauffage
Foldable composite rotating blades and a medical power pump. The composite rotating blades comprise: a rotating body (1), a plurality of groups of rotating blades (2), and a plurality of groups of blade thin films (3). The rotating main body (1) is used for being connected to a drive apparatus, the plurality of groups of rotating blades (2) are arranged at intervals in the direction of an axis of the rotating main body (1), and the rotating blades (2) can be folded up. Each group of blade thin films (3) is connected between two adjacent groups of rotating blades (2) so as to open and close when the rotating blades (2) open and close. The foldable composite rotating blades and the medical power pump can enter into tiny areas to be adaptable to different installation environments.
Sterilized and disinfected medical devices; ultrasonic
instruments for medical use; medical apparatus and
instruments; tubes for medical catheters; apparatus for use
in medical analysis; surgical apparatus and instruments;
catheters; catheters for medical and surgical purposes;
galvanic therapeutic appliances; suture materials.
19.
ULTRASONIC ABLATION CATHETER AND ULTRASONIC ABLATION DEVICE
Disclosed are an ultrasonic ablation catheter and an ultrasonic ablation device. The ultrasonic ablation catheter comprises: a central cavity tube, provided with a central hole formed in the axial direction of the central cavity tube; a central wire, provided with at least one ultrasonic transducer, a first end of the central wire being movably arranged through the central hole and being switchable between a contracted state and an extended state; and an elastic support pre-formed into a preset shape and sheathing the central wire, a first end of the elastic support being movably arranged through the central hole and being switchable between a compressed state and an expanded state. When the central wire is in the contracted state, the ultrasonic transducer and a second end of the elastic support are accommodated in the central cavity tube together with a second end of the central wire, such that the elastic support is in the compressed state; when the central wire is in the extended state, the ultrasonic transducer and the second end of the elastic support extend out of the central cavity tube together with the second end of the central wire, such the elastic support is in the expanded state and returns to the preset shape. The present invention can improve the safety of ablation operations.
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
20.
MEDICAL ABLATION CATHETER, ABLATION SYSTEM, AND ABLATION METHOD
A medical ablation catheter, an ablation system, and an ablation method. The medical ablation catheter comprises a first catheter (1), located at the distal end of the medical ablation catheter; a second catheter (2), comprising an inner catheter (21) and an outer catheter (22), the outer catheter (22) being sleeved on the outer side of the inner catheter (21) and being capable of sliding with respect to the inner catheter (21); a conductive part (3), connected to the first catheter (1) and the inner catheter (21), the distal end of the conductive part (3) being fixed within the first catheter (1), the proximal end of the conductive part (3) being fixed on the inner catheter (21); an adjustment part (4), the distal end thereof being fixed within the first catheter (1), the proximal end thereof being movably arranged within the inner catheter (21) in a penetrating manner. The conductive part (3) can be switched between a linear state and an expanded state, and ablation is performed when the conductive part (3) is in the expanded state. The medical ablation catheter can implement various ablation modes and different operational forms can be changed according to requirements, so as to improve applicability, and expandable electrodes (5, 32) are used to match areas to be ablated, so as to improve adaptability.
A blood pump system, comprising: a heart circulation pump (1) for being arranged in a heart so as to pump blood in the heart into an aorta; an aorta circulation pump (2) for being arranged in the aorta so as to supply blood in the aorta to a set organ; and a power transmission section (3) connected between the heart circulation pump (1) and the aorta circulation pump (2) so as to realize power transmission. The blood pump system is capable of accelerating the circulation of the blood in the heart and the blood in the aorta by means of the heart circulation pump (1) and the aorta circulation pump (2), respectively, thus assisting in improving the blood supply function of the heart. Moreover, rotating blades (112) of the blood pump system are adjustable. When in use, the rotating blades in a fully folded state allow the blood pump system to be placed into a body by means of a simple interventional operation, and then the rotating blades are unfolded to a semi-unfolded state or a fully unfolded state in the body to improve the blood flow condition.
A61M 60/165 - Pompes ou dispositifs de pompage implantables, c.-à-d. que le sang est pompé à l’intérieur du corps du patient implantables dans ou sur le cœur, ou autour du cœur
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
23.
MEDICAL DEVICE COMPRISING A BALLOON-STENT ASSEMBLY AND METHODS OF USING THE SAME
The present invention provides a medical device with a balloon-stent assembly comprising a stent, a balloon within the stent, and an ablation member. The medical device can be useful for a combined procedure of balloon angioplasty, radiofrequency ablation, and stent placement. The invention exhibits numerous merits such as simpler and precise operation, and a single device for multiple applications.
A61F 2/958 - Instruments spécialement adaptés pour insérer ou retirer les stents ou les endoprothèses déployables couvertes ballons gonflables pour insérer les stents ou les endoprothèses déployables couvertes
A61F 2/90 - Stents ayant une forme caractérisée par des éléments filiformesStents ayant une forme caractérisée par une structure de type filet ou de type à mailles caractérisés par une structure de type filet ou de type à mailles
24.
RADIO FREQUENCY ABLATION DEVICE COMPRISING BALLOON BLOCKING CATHETER AND ABLATION METHOD THEREFOR
A radio frequency ablation device (300) comprising a balloon blocking catheter. The radio frequency ablation device (300) comprises a double or multi-lumen balloon blocking catheter (310) and a radio frequency ablation catheter (320). a stent (321) is arranged at the far end of the radio frequency ablation catheter (320). Two or more electrodes (322, 325, 326) are arranged on the stent (321), and are connected to a radio frequency generator respectively by means of the corresponding guide wires arranged in the radio frequency ablation catheter (320). When the radio frequency ablation device (300) is used for ablating blood vessel peripheral nerves, inflating a blocking balloon (311) arranged at the far end of the guide catheter (310) to block local blood flow in a blood vessel. The invention has ideal nerve ablation effect.
Surgical apparatus and instruments; medical apparatus and
instruments; galvanic therapeutic appliances; electrodes for
medical use; catheters; diagnostic apparatus for medical
purposes; apparatus for use in medical analysis; probes for
medical purposes; stents.
26.
CORRUGATED RADIOFREQUENCY ABLATION CATHETER HAVING WALL-ATTACHING ADJUSTMENT WIRE AND APPARATUS THEREOF
A corrugated radiofrequency ablation catheter having wall-attaching adjustment wires (6, 6A, 6B, 6A′, and 6B′), provided with a strip-shaped connecting catheter, an electrode frame provided at the front end of the connecting catheter, and a control handle (20) provided at the rear end of the connecting catheter. The electrode frame is a corrugated electrode frame consisting of one or more corrugations, where one or more electrodes (2) respectively are distributed on the corrugations. The rear sections of the wall-attaching adjustment wires (6, 6A, 6B, 6A′, and 6B′) are slidably provided within one lumen of the connecting catheter and are connected at the rear extremities (60) onto a control element (22) provided on the control handle (20) or connected onto a control element (22) provided outside of the control handle (20).
The present invention provides a method for treating diabetes and nonalcoholic fatty liver disease (NAFLD), associated condition or disorder thereof, or symptoms thereof suffered by a subject such as a mammal (e.g. a human patient or a pet), comprising (1) placing one or more electrodes within a target blood vessel of the subject and against the target blood vessel wall, wherein the target blood vessel includes the celiac artery and/or a segment of the abdominal aorta terminated at its junction with the celiac artery; (2) adhering a surface electrode on an external surface such as skin of the subject; and (3) releasing a therapeutically effective amount of radiofrequency energy through the one or more electrodes to nearby tissues, so as to increase the temperature of the nearby tissues and induce a thermal alteration of the nearby tissues.
Surgical apparatus and instruments; medical apparatus and instruments, namely, blood pressure monitors; medical apparatus and instruments for use in interventional or minimally invasive surgery for chronic diseases, namely, radiofrequency ablation apparatus and catheters; medical apparatus and instruments for monitoring vital signs, blood pressure and heart rate, namely, vital signs monitors; galvanic therapeutic appliances, namely, electrical stimulation apparatus for nerves, muscles and skin for physical therapy purposes; electrodes for medical use; catheters; diagnostic apparatus for medical purposes, namely, ultrasound diagnostic apparatus, X-ray diagnostic apparatus and diagnostic apparatus for the detection of cancer; diagnostic apparatus for medical purposes including blood pressure and diabetic diagnostic medical devices, namely, blood glucose and blood pressure meter; diagnostic apparatus for medical purposes including medical diagnostic instruments for the analysis of body fluids, namely, blood viscosity analyzer; diagnostic apparatus for medical purposes, namely, apparatus for testing blood sugar levels incorporating recorded medical data analysis software for analysis purposes; apparatus for use in medical analysis, namely, apparatus for blood analysis and medical diagnostic instruments for the analysis of body fluids; probes for medical purposes; stents
Catheters; Medical diagnostic apparatus for detecting cancer; Diagnostic apparatus for medical purposes, namely, diagnostic apparatus for the detection of infectious diseases, blood disorders, immune system related diseases, tumours, pregnancy, thyroid disease, cardiovascular and cerebrovascular diseases, inflammation, hormones, DNA, RNA and blood gas; Medical apparatus and instruments for use in endovascular procedures; Medical apparatus and instruments for use in cardiovascular procedures; Medical apparatus and instruments for use in endoscopy procedures; Medical apparatus and instruments, namely, implantable ports and biopsy instruments; Medical apparatus and instruments for monitoring vital signs, blood pressure and heart rate; Medical apparatus and instruments for monitoring blood oxygen saturation, blood gas concentrations, vital signs and respiratory events; Medical apparatus and instruments, namely, medical ultrasound apparatus, medical imaging apparatus, medical radiation apparatus and medical X-ray apparatus; Medical apparatus and instruments, namely, body composition analyzers for medical purposes and analyzers for bacterial identification for medical purposes; Medical instruments, namely, orthopedic apparatus and instruments; Surgical apparatus and instruments; Teeth protectors for dental purposes; Electrodes for medical use; Ultrasonic therapy machines and apparatus; Ultrasonic medical diagnostic apparatus; Electrotherapy devices for providing transcutaneous electrical nerve stimulation, infrared heat and compression; Belts for medical purposes; Orthopedic support bandages; Orthopedic supports; Orthopedic cushions; Orthopedic shoes
Catheters; Diagnostic apparatus for medical purposes; Medical apparatus and instruments; Surgical apparatus and instruments; Teeth protectors for dental purposes; Electrodes for medical use; Ultrasonic diagnostic instruments for medical use; Ultrasonic cleaning instruments for medical use; Ultrasound apparatus for medical purposes; Galvanic therapeutic appliances; Belts for medical purposes; Orthopedic articles.
31.
RADIO FREQUENCY ABLATION CATHETER HAVING FUNCTION OF MOVING GUIDE WIRE
A radio frequency ablation catheter having the function of a movable guide wire, comparing an electric support, a catheter body and a control handle which are sequentially provided. The catheter body is provided there with a cavity for the sliding of the movable guide wire. The distal end of the movable guide wire passes through the catheter body and protects from the distal end of the electric support, a soft guide wire provided at the distal end of the movable guide wire is always kept outside the electric support. The proximal end of the movable guide wire protects from the proximal end of the catheter body and enters the control handle, then, the proximal end of the movable guide wire is fixed to a controlling member provided on the control handle or is fixed to a controlling member provided outside the control handle.
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
Catheter based ultra-sound imaging probe; Catheters; Electrical stimulation apparatus for blood vessel for galvanic therapy purposes; Medical and surgical catheters; Medical apparatus and instruments for use in endovascular ablation procedures; Medical devices, namely, surgical devices that facilitate the identification, separation or ablation of biologic tissues; Medical instruments for use in endovascular ablation; Medical instruments to measure blood pressure, cardiac output and other physiological and cardiovascular parameters; Surgical apparatus and instruments; Tubing for use with catheters
Catheters; medical instruments; medical apparatus and instruments; drainage tubes for medical purposes; testing apparatus for medical purposes; surgical apparatus and instruments; catheters for medical use; catheters for surgical use; galvanic therapeutic appliances; diagnostic ultrasound instruments for medical use; suture materials.
34.
RADIO FREQUENCY ABLATION CATHETER HAVING FUNCTION OF MOVING GUIDE WIRE
A radio frequency ablation catheter having the function of a moving guide wire, comprising an electrode support (1), an elongated catheter main body (2) and a control handle (3) which are sequentially provided. The catheter main body (2) is provided therein with a cavity for the sliding of the moving guide wire (10). The distal end of the moving guide wire (10) passes through the catheter main body (2) and protrudes from the distal end of the electrode support (1), a soft guide wire (12) provided at the distal end of the moving guide wire (10) is always kept outside the electrode support (1), the proximal end of the moving guide wire (10) protrudes from the proximal end of the catheter main body (2) and enters the control handle (3), then, the proximal end of the moving guide wire (10) is fixed to a push member (8) provided on the control handle (3) or is fixed to a push member (8) provided outside the control handle (3), and the moving guide wire (10) is pushed forward or withdrawn under the action of the push member (8). By combining the moving guide wire (10) with the radio frequency ablation catheter, the radio frequency ablation catheter having the function of a moving guide wire (10) omits the action of withdrawing the moving guide wire (10) from the radio frequency ablation catheter, simplifying the operation of the moving guide wire (10), and facilitating movement of the radio frequency ablation catheter during surgery.
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
electrodes for medical use; galvanic therapeutic appliances; catheters; surgical apparatus and instruments; medical apparatus and instruments; diagnostic apparatus for medical purposes; Ultrasonic diagnostic instruments for medical use; teeth protectors for dental purposes; belts for medical purposes; orthopedic articles.
electrodes for medical use; galvanic therapeutic appliances; catheters; surgical apparatus and instruments; medical apparatus and instruments; diagnostic apparatus for medical purposes; Ultrasonic diagnostic instruments for medical use; teeth protectors for dental purposes; belts for medical purposes; orthopedic articles.
electrodes for medical use; galvanic therapeutic appliances; catheters; surgical apparatus and instruments; medical apparatus and instruments; diagnostic apparatus for medical purposes; Ultrasonic diagnostic instruments for medical use; teeth protectors for dental purposes; belts for medical purposes; orthopedic articles.
electrodes for medical use; galvanic therapeutic appliances; catheters; surgical apparatus and instruments; medical apparatus and instruments; diagnostic apparatus for medical purposes; Ultrasonic diagnostic instruments for medical use; teeth protectors for dental purposes; belts for medical purposes; orthopedic articles.
39.
Corrugated radiofrequency ablation catheter and apparatus thereof
A corrugated radiofrequency ablation catheter and an apparatus thereof. The radiofrequency ablation catheter is provided with a strip-shaped connecting catheter (10). An electrode frame is provided at the front extremity of the connecting catheter (10). A control handle (20) is provided at the rear extremity of the connecting catheter (10). The electrode frame is a corrugated electrode frame consisting of one or more corrugations. One or more electrodes (2) respectively are distributed on the corrugations. Slidable, supporting, wall-attaching adjustment wires (6) are provided within one lumen of the connecting catheter (10) and the electrode frame. The supporting, wall-attaching adjustment wires (6) are divided into a flexible segment (61) away from the control handle and a rigid segment (62) in proximity 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
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
40.
Radio-frequency ablation catheter having spiral structure and device thereof
Disclosed are a radio-frequency ablation catheter having a spiral structure and device thereof. The radio-frequency ablation catheter has an elongated catheter body. A spiral electrode support is arranged at the front end of the catheter body. Multiple electrodes are arranged on the electrode support. A control handle is arranged at the rear end of the catheter body. Wall-attachment adjusting wires having various structures can be arranged in the radio-frequency ablation catheter, so that the radio-frequency ablation catheter having a spiral structure can be adapted to target vessels of different diameters, and so that the electrodes on the electrode support have a good wall-attachment state.
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
41.
RADIO FREQUENCY ABLATION DEVICE COMPRISING BALLOON BLOCKING CATHETER AND ABLATION METHOD THEREFOR
A radio frequency ablation device (300) comprising a balloon blocking catheter. The radio frequency ablation device (300) comprises a double- or multi-chamber balloon blocking catheter (310) and a radio frequency ablation catheter (320). An electrode support (321) is arranged at the far end of the radio frequency ablation catheter (320). Two or more electrodes (322, 325, 326) are arranged on the electrode support (321), and are connected to a radio frequency generator respectively by means of the corresponding guide wires arranged in the radio frequency ablation catheter (320). When the radio frequency ablation device (300) is used for ablating lumen peripheral nerves, inflating a closed balloon (311) arranged at the far end of the guide catheter (310) to block local blood flow in a blood vessel; injecting, by means of an infusion port at the tip of the guide catheter (310), liquid/gas into the blood vessel at the ablation site to change the electrically conductive environment and/or temperature environment, and forming, by means of the different electrodes (322,325, 326) controlling the radio frequency ablation catheter, a loop through the vessel wall and between the radio frequency electrode (325) and the loop electrode (326) to carry out radio frequency ablation. The invention has ideal nerve ablation effect.
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
42.
CORRUGATED RADIOFREQUENCY ABLATION CATHETER AND APPARATUS THEREOF
A corrugated radiofrequency ablation catheter and an apparatus thereof. The radiofrequency ablation catheter is provided with a strip-shaped connecting catheter (10). An electrode frame is provided at the front extremity of the connecting catheter (10). A control handle (20) is provided at the rear extremity of the connecting catheter (10). The electrode frame is a corrugated electrode frame consisting of one or more corrugations. One or more electrodes (2) respectively are distributed on the corrugations. Slidable, supporting, wall-attaching adjustment wires (6) are provided within one lumen of the connecting catheter (10) and the electrode frame. The supporting, wall-attaching adjustment wires (6) are divided into a flexible segment (61) away from the control handle and a rigid segment (62) in proximity to the control handle. By pushing forward or pulling back the supporting, wall-attaching adjustment wires (6), the form of the corrugated segment of the catheter can be changed without the aid of other apparatus, thus significantly reducing the difficulty of the radiofrequency ablation catheter in entering a catheter guide tube/sheath, also greatly facilitating movements of the corrugated electrode frame in a target lumen, and allowing facilitated operation and a simple structure.
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 corrugated radiofrequency ablation catheter having wall-attaching adjustment wires (6, 6A, 6B, 6A', and 6B'), provided with a strip-shaped connecting catheter, an electrode frame provided at the front extremity of the connecting catheter, and a control handle (20) provided at the rear extremity of the connecting catheter. The electrode frame is a corrugated electrode frame consisting of one or more corrugations, where one or more electrodes (2) respectively are distributed on the corrugations. The rear sections of the wall-attaching adjustment wires (6, 6A, 6B, 6A', and 6B') are slidably provided within one lumen of the connecting catheter and are connected at the rear extremities (60) onto a control element (22) provided on the control handle (20) or connected onto a control element (22) provided outside of the control handle (20). The front sections of the wall-attaching adjustment wires (6, 6A, 6B, 6A', and 6B') protrude to the outside of the electrode frame and either run through one or more holes (11, 12, 13, and 14) provided on the corrugations or run around the multiple corrugations, and then the front extremities return to the interior of the electrode frame. By pulling back the wall-attaching adjustment wires (6, 6A, 6B, 6A', and 6B'), substantial changes in the diameters of the corrugations of the electrode frame are allowed.
A61B 18/18 - Instruments, dispositifs ou procédés chirurgicaux pour transférer des formes non mécaniques d'énergie vers le corps ou à partir de celui-ci par application de radiations électromagnétiques, p. ex. de micro-ondes
44.
RADIO-FREQUENCY ABLATION CATHETER HAVING SPIRAL STRUCTURE, AND EQUIPMENT THEREOF
Disclosed are a radio-frequency ablation catheter having a spiral structure, and equipment thereof. The radio-frequency ablation catheter has a long strip-shaped catheter body. A spiral electrode support is arranged at the front end of the catheter body. Multiple electrodes (2) are arranged on the electrode support. A control handle (8, 20) is arranged at the rear end of the catheter body. Wall-attachment adjusting wires (6) having various structures can be arranged in the radio-frequency ablation catheter, so that the radio-frequency ablation catheter having a spiral structure can be adapted to target lumens of different diameters, and so that the electrodes (2) on the electrode support have a good wall-attachment state.
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
45.
RADIOFREQUENCY ABLATION CATHETER HAVING PETAL-SHAPED STENT STRUCTURE AND APPARATUS THEREOF
A radiofrequency ablation catheter having a petal-shaped stunt structure, comprising a petal-shaped stent (1) processed from a same hollow tube. The petal-shaped stent (1) comprises in a circular distribution around the central axis thereof multiple stent wires (2) and either one or two connecting tubes integrated with the stent wires (2). The lengthwise directions of the stent wires (2) extend in the lengthwise direction of the hollow tube. Both extremities of the stent wires (2) congregate to constitute a distal extremity and a proximal extremity of the petal-shaped stent (1). One or multiple electrodes (4) are provided respectively in the middle sections of the stent wires (2). The middle section of the petal-shaped stent (1) has a contracted state and an expanded state. The petal-shaped stent (1) in the radiofrequency ablation catheter is processed from a same tube, has improved extensibility, satisfies a specific requirement with the formation in which the multiple electrodes are arranged when expanded and attached to a wall, and provides great coverage for blood vessels of different thicknesses and curved blood vessels.
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 radiofrequency ablation catheter having a meshed tubular stent structure and an apparatus thereof, comprising a meshed tubular stent provided at the front extremity of the catheter. The meshed tubular stent comprises a meshed tube (1). Both extremities of the meshed tube converge to constitute a distal extremity and a proximal extremity of the meshed tubular stent. The middle section of the meshed tubular stent has a contracted state and an expanded state. One or more electrodes (2) are fixed onto the middle section of the meshed tubular stent. The meshed tubular stent in the radiofrequency ablation catheter has improved extendibility and provides great coverage for blood vessels of different thicknesses and curved blood vessels. When the meshed tubular stent is expanding in blood vessels of different thicknesses of 4-12 mm, all of the electrodes (2) can be attached to wall. At the same time, when the meshed tubular stent is expanding in curbed blood vessels, attachment to wall is also ensured for all of the electrodes.
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
47.
Radio frequency ablation method, system and radio frequency ablation device thereof
A radio frequency ablation device, comprising a radio frequency ablation tube (10), a control handle (20) and a temperature-controlling radio frequency instrument (35). The middle section of the radio frequency ablation tube (10) carries a strip-shaped connecting electrode; a radio frequency electrode (12) is formed at the distal end of the radio frequency ablation tube (10) and connected to the control handle (20) via the strip-shaped connecting electrode. The control handle (20) comprises a control guiding control a tube electrode control handle (23) and a tube electrode auxiliary control handle (24) An integrated interface (50) is disposed at the rear of the control handle (20), and the temperature-controlling radio frequency instrument (35) is connected to the integrated interface (50) via an integrated cable (34). And a radio frequency electrode (12) a radio frequency ablation tube (10) and a guide tube (16) are also provided.
A61B 5/00 - Mesure servant à établir un diagnostic Identification des individus
A61B 5/01 - Mesure de la température de parties du corps
A61B 5/053 - Mesure de l'impédance ou de la conductivité électrique d'une partie du corps
A61B 8/12 - Diagnostic utilisant des ondes ultrasonores, sonores ou infrasonores dans des cavités ou des conduits du corps, p. ex. en utilisant des cathéters
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
48.
RADIO FREQUENCY ABLATION METHOD, SYSTEM AND RADIO FREQUENCY ABLATION DEVICE THEREOF
A radio frequency ablation device, comprising a radio frequency ablation tube (10), a control handle (20) and a temperature-controlling radio frequency instrument (35). The middle section of the radio frequency ablation tube (10) carries a strip-shaped connecting electrode; a radio frequency electrode (12) is formed at the distal end of the radio frequency ablation tube (10); the radio frequency electrode (12) is connected to the control handle (20) via the strip-shaped connecting electrode. The control handle (20) comprises a control handle to guide the tube (21) and control the degree of curvature of the distal end of the radio frequency ablation tube (10), a tube electrode control handle (23) for controlling the degree of opening of the radio frequency electrode (12), and an auxiliary handle (24) for controlling the tube electrode. The temperature-controlling radio frequency instrument (35) comprises a central processing and control module (1), a radio frequency releasing module (2) respectively connected to the central processing and control module (1), a volume impedance measuring module (3), a temperature monitoring module (4) and an alarm and automatic storage module (5) connected to the central processing and control module (1). An integrated interface (50) is disposed at the rear of the control handle (20), and the temperature-controlling radio frequency instrument (35) is connected to the integrated interface (50) disposed on the control handle (20) via an integrated cable (34). Also provided is a radio frequency electrode (12) used in the radio frequency ablation device, a temperature-controlling radio frequency instrument (35), a radio frequency ablation tube (10) and a guide tube (16).
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
