CN106618727A - Vascular radio-frequency ablation electrode catheter provided with claw-shaped catheter branches - Google Patents
Vascular radio-frequency ablation electrode catheter provided with claw-shaped catheter branches Download PDFInfo
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- CN106618727A CN106618727A CN201611155140.1A CN201611155140A CN106618727A CN 106618727 A CN106618727 A CN 106618727A CN 201611155140 A CN201611155140 A CN 201611155140A CN 106618727 A CN106618727 A CN 106618727A
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- radio
- frequency
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- catheter
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
- A61B18/1492—Probes or electrodes therefor having a flexible, catheter-like structure, e.g. for heart ablation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00053—Mechanical features of the instrument of device
- A61B2018/00059—Material properties
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00315—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for treatment of particular body parts
- A61B2018/00345—Vascular system
- A61B2018/00351—Heart
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
- A61B2018/00589—Coagulation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00636—Sensing and controlling the application of energy
- A61B2018/00696—Controlled or regulated parameters
- A61B2018/00702—Power or energy
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00636—Sensing and controlling the application of energy
- A61B2018/00773—Sensed parameters
- A61B2018/00791—Temperature
Abstract
The invention relates to the technical field of medical apparatuses, and in particular to a vascular radio-frequency ablation electrode catheter provided with claw-shaped catheter branches; a radio-frequency ablation working section is arranged on the front section of the vascular radio-frequency ablation electrode catheter , a catheter body section is arranged on the middle section of the vascular radio-frequency ablation electrode catheter and a control handle section is arranged on the rear section of the vascular radio-frequency ablation electrode catheter; the eight radio-frequency catheter branches extend from a peripheral direction of the radio-frequency ablation working section; the eight radio-frequency catheter branches are integrally represented as claw-shaped structures; and at least one ablation electrode is connected to the head end of each radio-frequency catheter branch. The vascular radio-frequency ablation electrode catheter provided by the invention has the beneficial effects that in practical clinical treatment, the vascular radio-frequency ablation electrode catheter provided with the claw-shaped catheter branches provided by the invention can be applied to various blood vessels differing in diameter and can be used for conducting radio-frequency ablation therapy on cardiac muscle tissues in a complex part, such as for vascular ablation of such diseases as paroxysmal atrial tachycardia, supraventricular tachycardia, atrial flutter, atrial fibrillation, resistant hypertension and the like.
Description
Technical field
The present invention relates to medical apparatus and instruments art field, specifically a kind of blood vessel radio-frequency ablation electrode with claw-like brasnch conduct
Conduit.
Background technology
Blood vessel radio-frequency ablation technique is that the conduit with ablating electrode is entered chambers of the heart particular portion by vein or arteries
Position, is checked by doctor, it is determined that cause tachycardic concrete mechanism, controllable radio frequency electrical is then discharged on ablating electrode
Stream, produces heat, makes target tissue lack of moisture, causes the necrosis of local myocardial tissue coagulation, terminates tachycardia, reach treatment
The purpose of tachyarrhythmia, including the treatment disease such as paroxysmal supraventricular tachycardia and room speed.
Arrhythmia is the general designation of a big class disease, refers to that the normal rhythm of heart occurs abnormal change.The rapidity rhythm of the heart loses
The inappropriate quickening of the rhythm of the heart is referred to, most tachycardias, frequent premature beat, room is flutterred and atrial fibrillation etc., when Drug therapy is invalid, can
To do Radiofrequency Catheter Ablation.Existing blood vessel radio frequency ablation catheter only one of which ablating electrode and flexible size is fixed with
Limit, it is impossible to adapt to each blood vessel diameter of different patients, it is impossible to obtain good adherent effect, blood vessel is being carried out to different patients
During ablative surgery, need to change the ablating electrode of different size and model, process is loaded down with trivial details, it is impossible to have complicated cardiac muscular tissue
Effect treatment, affects surgical effect.
The content of the invention
It is an object of the invention to overcome the deficiencies in the prior art, there is provided a kind of many ablating electrodes, simple structure, with shape
Shape " remembers " the blood vessel frequency ablation electrode catheter of the claw-like brasnch conduct of function,
In order to achieve the above object, the invention provides a kind of blood vessel radio-frequency ablation electrode with claw-like brasnch conduct is led
Pipe, leading portion is radio-frequency (RF) ablation active section, stage casing is pipe shaft section, back segment is joystick section, described radio-frequency (RF) ablation active section week
To stretching out eight radio-frequency branch conduits, eight described radio-frequency branch conduit global shapes are in claw-like, each radio-frequency branch conduit
Head end install at least one ablating electrode；
The joystick section carries out collapsing length regulation to each radio-frequency branch conduit respectively and camber is adjusted, the control
Handle section processed also carries out the regulation of radio-frequency current watt level respectively to the supravasal ablating electrode of each radio-frequency branch；
It is 0-3cm that each radio-frequency branch conduit stretches out the scope of the extension elongation of radio-frequency (RF) ablation active section, and each radio-frequency branch leads
The scope of the angle of bend of pipe is 0-60 °；
Several inner chambers for individually accommodating each radio-frequency branch conduit are formed in the radio-frequency (RF) ablation active section；
The head end of the radio-frequency (RF) ablation active section is round mouth shape, is installed for being imaged what is shown in the centre of round mouth shape
Developing head and the temperature sensor for thermometric, the developing head and temperature sensor are connected on radio-frequency (RF) ablation instrument.
Each radio-frequency branch conduit can be responsible for 8 different directions, make electrode adhered state good；Need to be recovered to radio frequency
During ablation active section, each ablating electrode mutually will not be encountered, and not interfere with surgical effect.
The developing head can realize the imaging of internal blood vessel, and developing head passes through pipe shaft section and radiofrequency melting instrument connects,
Show internal blood vessel image on radiofrequency melting instrument in real time.The temperature of temperature sensor real-time monitoring target tissue.
Preferably, eight described radio-frequency branch catheter lengths are equal, and between adjacent radio-frequency branch conduit, angle is
45°。
Preferably, eight described radio-frequency branch conduits are by four long radio-frequency branch conduits, four short radio-frequency branch conduits
Composition, the circle alternate distribution mutually of this eight radio-frequency branch conduit " one is long and the other is short ", wherein：
The long radio-frequency branch conduit stretch out the extension elongation of the radio-frequency (RF) ablation active section scope be 0-3cm, long shot
The scope of the angle of bend of frequency brasnch conduct is 0-60 °；
It is 0-2cm that the short radio-frequency branch conduit stretches out the scope of the extension elongation of the radio-frequency (RF) ablation active section, short to be
The scope of the angle of bend of long brasnch conduct is 0-60 °.
The invention has the beneficial effects as follows, strip of the pipe shaft section for elongated flexible, flexility are good, can be well
The blood vessel of different-diameter is adapted to, it is convenient flexibly mobile in intravascular, realize being accurately positioned.
The radio-frequency branch conduit is made up of titanium alloy memory material, and each radio-frequency branch conduit can be contracted in radio-frequency (RF) ablation
It is in active section, also extended outside radio-frequency (RF) ablation active section, as there is titanium alloy memory material shape " to remember " function, radio frequency
Brasnch conduct understands Automatic-expanding into claw-like after stretching out radio-frequency (RF) ablation active section, and with good elasticity and pliability, using the longevity
Life length, is hardly damaged.Meanwhile, doctor can also pass through the length and angle of bend of each radio-frequency branch conduit of joystick section real-time regulation
Degree scope, is very easy to ablation catheter movement in intravascular.After operation is finished, each point is controlled by joystick section
Prop up conduit to be retracted in radio-frequency (RF) ablation active section.
The medical titanium alloy material that the radio-frequency branch conduit is adopted has good biocompatibility, the titanium alloy material
It is marmem, its main material can be the marmems such as Ti-Ni, Ti-Ni-Fe, Ti-Ni-Nb, can meet
The application demand of medical science.
The radio-frequency ablation electrode of different size, model can be respectively mounted on each brasnch conduct, can produce continue or
The radio-frequency current of impulse form, it is to avoid change the tedious steps of ablating electrode, is effectively applicable to different blood vessel, cardiac muscular tissue
Treatment.Each ablating electrode is responsible for different directions, and direction does not overlap each other, to target tissue precision ablation, it is to avoid to blood vessel
Excessive ablation, prevent injured blood vessel.The radio-frequency current size of each ablating electrode release is controllable section, can be born
8 different directions of duty, make ablating electrode adhered state good, contribute to disappearing cardiac muscular tissue in the case where vascular environment is responsible for
Melt, reach the purpose for the treatment of tachyarrhythmia, effectively improve treatment success rate.Doctor passes through joystick section 3 easily
On each brasnch conduct 4 of real-time regulation, myocardial sites in need for the treatment of are carried out accurately by the radio-frequency current watt level of ablating electrode 7
Treatment, reduces repetitive operation number of times, shortens operating time, and little to blood vessel injury, procedure efficiency is high, to arrhythmia class disease
Therapeutic effect is good.
In actual clinical treatment, the blood vessel frequency ablation electrode catheter with claw-like brasnch conduct provided by the present invention
The blood vessel of multiple diameter is can apply to, radiofrequency ablation therapy is carried out in the cardiac muscular tissue of complex region, for example, be applied to control
Treat the blood of the diseases such as paroxysmal auricular tachycardia, supraventricular tachycardia, atrial flutter, atrial fibrillation, intractable hypertension
Pipe melts.
Description of the drawings
Structural representations of the Fig. 1 for the embodiment of the present invention 1；
Radio-frequency (RF) ablation active section structural representations of the Fig. 2 for the embodiment of the present invention 1；
Structure three-view diagrams of the Fig. 3 for the embodiment of the present invention 1；
Structural representations of the Fig. 4 for the embodiment of the present invention 2；
Radio-frequency (RF) ablation active section structural representations of the Fig. 5 for the embodiment of the present invention 2；
Structure three-view diagrams of the Fig. 6 for the embodiment of the present invention 2；
Wherein：
1- radio-frequency (RF) ablation active section 2- pipe shaft section 3- joystick sections
4- brasnch conduct 5- developing head 6- temperature sensors
7- ablating electrodes
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention will be further described.
Embodiment 1：
The blood vessel frequency ablation electrode catheter with claw-like brasnch conduct as Figure 1-3, leading portion are radio-frequency (RF) ablation work
It is joystick section 3 to make section 1, stage casing for pipe shaft section 2, back segment, and described radio-frequency (RF) ablation active section 1 is circumferential to stretch out eight radio frequencies point
Conduit 4, eight described radio-frequency branch conduits 4, eight described 4 global shapes of radio-frequency branch conduit are in claw-like, and each is penetrated
The head end of frequency brasnch conduct 4 installs at least one ablating electrode 7；
The each radio-frequency branch conduit of the joystick section 3 pairs 4 carries out collapsing length regulation respectively and camber is adjusted, the control
Handle section processed 3 also carries out the regulation of radio-frequency current watt level respectively to the ablating electrode 7 on each radio-frequency branch conduit 4；
Each radio-frequency branch conduit 4 stretch out the extension elongation of radio-frequency (RF) ablation active section 1 scope be 0-3cm, each radio-frequency branch
The scope of the angle of bend of conduit 4 is 0-60 °；
Several inner chambers for individually accommodating each radio-frequency branch conduit 4 are formed in the radio-frequency (RF) ablation active section 1；
The head end of the radio-frequency (RF) ablation active section 1 is round mouth shape, installs in the centre of round mouth shape and shows for being imaged
Developing head 5 and the temperature sensor 6 for thermometric, the developing head 5 and temperature sensor 6 are connected on radio-frequency (RF) ablation instrument.
Eight described 4 equal lengths of radio-frequency branch conduit, between adjacent radio-frequency branch conduit 4, angle is 45 °.
Embodiment 2：
The blood vessel frequency ablation electrode catheter with claw-like brasnch conduct as Figure 4-Figure 6, leading portion are radio-frequency (RF) ablation work
It is joystick section 3 to make section 1, stage casing for pipe shaft section 2, back segment, described radio-frequency (RF) ablation active section 1 is circumferential to stretch out eight radio frequencies
Brasnch conduct 4, eight described radio-frequency branch conduits 4, eight described 4 global shapes of radio-frequency branch conduit are in claw-like, each
The head end of radio-frequency branch conduit 4 installs at least one ablating electrode 7；
The each radio-frequency branch conduit of the joystick section 3 pairs 4 carries out collapsing length regulation respectively and camber is adjusted, the control
Handle section processed 3 also carries out the regulation of radio-frequency current watt level respectively to the ablating electrode 7 on each radio-frequency branch conduit 4；
Each radio-frequency branch conduit 4 stretch out the extension elongation of radio-frequency (RF) ablation active section 1 scope be 0-3cm, each radio-frequency branch
The scope of the angle of bend of conduit 4 is 0-60 °；
Several inner chambers for individually accommodating each radio-frequency branch conduit 4 are formed in the radio-frequency (RF) ablation active section 1；
The head end of the radio-frequency (RF) ablation active section 1 is round mouth shape, installs in the centre of round mouth shape and shows for being imaged
Developing head 5 and the temperature sensor 6 for thermometric, the developing head 5 and temperature sensor 6 are connected on radio-frequency (RF) ablation instrument.
Eight described radio-frequency branch conduits 4 are made up of four long radio-frequency branch conduits, four short radio-frequency branch conduits, this
The circle alternate distribution mutually of individual eight radio-frequency branch conduits " one is long and the other is short ", wherein：
The long radio-frequency branch conduit stretch out the extension elongation of the radio-frequency (RF) ablation active section 1 scope be 0-3cm, long shot
The scope of the angle of bend of frequency brasnch conduct is 0-60 °；
It is 0-2cm that the short radio-frequency branch conduit stretches out the scope of the extension elongation of the radio-frequency (RF) ablation active section 1, short to be
The scope of the angle of bend of long brasnch conduct is 0-60 °.
Joystick section 3 can also control the collapsing length of eight radio-frequency branch conduits 4 so as to for Length discrepancy.
Below the preferred embodiment to the invention is illustrated, but the invention be not limited to it is described
Embodiment, those of ordinary skill in the art can also make a variety of etc. on the premise of without prejudice to the invention spirit
Same modification or replacement, these equivalent modifications or replacement are all contained in the application claim limited range.
Claims (4)
1. a kind of blood vessel frequency ablation electrode catheter with claw-like brasnch conduct, leading portion are radio-frequency (RF) ablation active section (1), stage casing
It is joystick section (3) for pipe shaft section (2), back segment, it is characterised in that described radio-frequency (RF) ablation active section (1) circumferentially stretches out eight
Individual radio-frequency branch conduit (4), described eight radio-frequency branch conduit (4) global shapes are in claw-like, each radio-frequency branch conduit (4)
Head end install at least one ablating electrode (7)；
Developing head (5) and temperature sensor (6) are also installed on the radio-frequency (RF) ablation active section (1)；
The joystick section (3) carries out collapsing length respectively and adjusts and camber regulation to each radio-frequency branch conduit (4), the control
Handle section (3) processed also carries out the regulation of radio-frequency current watt level respectively to the ablating electrode (7) on each brasnch conduct (4)；
Each radio-frequency branch conduit (4) stretch out the extension elongation of radio-frequency (RF) ablation active section (1) scope be 0-3cm, each radio-frequency branch
The scope of the angle of bend of conduit (4) is 0-60 °；
Several inner chambers for individually accommodating each radio-frequency branch conduit (4) are formed in the radio-frequency (RF) ablation active section (1)；Each point of radio frequency
When conduit (4) is recovered to radio-frequency (RF) ablation active section (1), each ablating electrode (7) mutually will not be encountered, and not interfere with operation effect
Really.
The head end of the radio-frequency (RF) ablation active section (1) is round mouth shape, is installed for being imaged what is shown in the centre of round mouth shape
Developing head (5) and the temperature sensor (6) for thermometric, the developing head (5) and temperature sensor (6) are connected to radiofrequency melting instrument
On device.
2. the blood vessel frequency ablation electrode catheter with claw-like brasnch conduct according to claim 1, it is characterised in that institute
Eight radio-frequency branch conduit (4) equal lengths stated, between adjacent radio-frequency branch conduit (4), angle is 45 °.
3. the blood vessel frequency ablation electrode catheter with claw-like brasnch conduct according to claim 1, it is characterised in that institute
The eight radio-frequency branch conduits (4) stated are made up of four long radio-frequency branch conduits, four short radio-frequency branch conduits, and this eight are penetrated
Frequency brasnch conduct " one is long and the other is short " circle alternate distribution mutually, wherein：
The long radio-frequency branch conduit stretch out the extension elongation of the radio-frequency (RF) ablation active section (1) scope be 0-3cm, long radio frequency
The scope of the angle of bend of brasnch conduct is 0-60 °；
It is 0-2cm that the short radio-frequency branch conduit stretches out the scope of the extension elongation of the radio-frequency (RF) ablation active section (1), short for length
The scope of the angle of bend of brasnch conduct is 0-60 °.
4. the blood vessel frequency ablation electrode catheter with claw-like brasnch conduct according to any one of claims 1 to 3, which is special
Levy and be, described radio-frequency branch conduit adopts medical titanium alloy material Ti-Ni, Ti-Ni-Fe, or Ti-Ni-Nb.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611155140.1A CN106618727A (en) | 2016-12-14 | 2016-12-14 | Vascular radio-frequency ablation electrode catheter provided with claw-shaped catheter branches |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611155140.1A CN106618727A (en) | 2016-12-14 | 2016-12-14 | Vascular radio-frequency ablation electrode catheter provided with claw-shaped catheter branches |
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| CN106618727A true CN106618727A (en) | 2017-05-10 |
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ID=58822059
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| CN201611155140.1A Pending CN106618727A (en) | 2016-12-14 | 2016-12-14 | Vascular radio-frequency ablation electrode catheter provided with claw-shaped catheter branches |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020088140A1 (en) * | 2017-11-28 | 2020-05-07 | 杭州诺诚医疗器械有限公司 | Ablation needle component and ablation system |
| US11013553B2 (en) | 2017-11-28 | 2021-05-25 | Hangzhou Nuo Cheng Medical Instrument Co., Ltd. | Treatment method for hypertrophic cardiomyopathy |
| CN114469327A (en) * | 2021-12-24 | 2022-05-13 | 上海科罡医疗技术有限公司 | Ablation catheter and ablation treatment method thereof |
| WO2023092851A1 (en) * | 2021-11-23 | 2023-06-01 | 苏州润迈德医疗科技有限公司 | Radio frequency ablation catheter device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2855351Y (en) * | 2005-12-15 | 2007-01-10 | 迈德医疗科技（上海）有限公司 | Claw electrode device for RF ablation treatment |
| CN102274074A (en) * | 2011-05-03 | 2011-12-14 | 上海微创电生理医疗科技有限公司 | Multi-electrode open-type radio frequency ablation catheter |
| CN102860867A (en) * | 2012-10-15 | 2013-01-09 | 陈平根 | Multi-electrode radio frequency ablation catheter and design method thereof |
| CN102908188A (en) * | 2012-08-29 | 2013-02-06 | 中国人民解放军第三军医大学第一附属医院 | Radio frequency ablation (RFA) catheter system for denervation of renal sympathetic nerves |
| CN203710133U (en) * | 2013-12-25 | 2014-07-16 | 方润医疗器械科技（上海）有限公司 | Changeable claw electrode device used for ablation treatment |
| US20160000499A1 (en) * | 2013-03-15 | 2016-01-07 | Cibiem, Inc. | Endovascular catheters for carotid body ablation utilizing an ionic liquid stream |
| CN206896404U (en) * | 2016-12-14 | 2018-01-19 | 汤敬东 | A kind of blood vessel frequency ablation electrode catheter with claw-like brasnch conduct |
-
2016
- 2016-12-14 CN CN201611155140.1A patent/CN106618727A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2855351Y (en) * | 2005-12-15 | 2007-01-10 | 迈德医疗科技（上海）有限公司 | Claw electrode device for RF ablation treatment |
| CN102274074A (en) * | 2011-05-03 | 2011-12-14 | 上海微创电生理医疗科技有限公司 | Multi-electrode open-type radio frequency ablation catheter |
| CN102908188A (en) * | 2012-08-29 | 2013-02-06 | 中国人民解放军第三军医大学第一附属医院 | Radio frequency ablation (RFA) catheter system for denervation of renal sympathetic nerves |
| CN102860867A (en) * | 2012-10-15 | 2013-01-09 | 陈平根 | Multi-electrode radio frequency ablation catheter and design method thereof |
| US20160000499A1 (en) * | 2013-03-15 | 2016-01-07 | Cibiem, Inc. | Endovascular catheters for carotid body ablation utilizing an ionic liquid stream |
| CN203710133U (en) * | 2013-12-25 | 2014-07-16 | 方润医疗器械科技（上海）有限公司 | Changeable claw electrode device used for ablation treatment |
| CN206896404U (en) * | 2016-12-14 | 2018-01-19 | 汤敬东 | A kind of blood vessel frequency ablation electrode catheter with claw-like brasnch conduct |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020088140A1 (en) * | 2017-11-28 | 2020-05-07 | 杭州诺诚医疗器械有限公司 | Ablation needle component and ablation system |
| US11013553B2 (en) | 2017-11-28 | 2021-05-25 | Hangzhou Nuo Cheng Medical Instrument Co., Ltd. | Treatment method for hypertrophic cardiomyopathy |
| WO2023092851A1 (en) * | 2021-11-23 | 2023-06-01 | 苏州润迈德医疗科技有限公司 | Radio frequency ablation catheter device |
| CN114469327A (en) * | 2021-12-24 | 2022-05-13 | 上海科罡医疗技术有限公司 | Ablation catheter and ablation treatment method thereof |
| CN114469327B (en) * | 2021-12-24 | 2024-02-27 | 上海科罡医疗技术有限公司 | Ablation catheter and ablation treatment method thereof |
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