CN210872018U - Radio frequency ablation catheter with controllable magnetic pole - Google Patents
Radio frequency ablation catheter with controllable magnetic pole Download PDFInfo
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- CN210872018U CN210872018U CN201921592436.9U CN201921592436U CN210872018U CN 210872018 U CN210872018 U CN 210872018U CN 201921592436 U CN201921592436 U CN 201921592436U CN 210872018 U CN210872018 U CN 210872018U
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- magnetic pole
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- ablation catheter
- radio frequency
- pipe
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Abstract
The utility model discloses a take radio frequency of controllable magnetic pole to melt pipe, including melting the pipe body and melting the terminal radio frequency ablation appearance that is connected of pipe body with melting, the surface that melts the pipe body is provided with respectively and melts electrode, first magnetic pole and second magnetic pole, it sets up between first magnetic pole and second magnetic pole to melt the electrode, be provided with on the second magnetic pole and be used for responding to the pipe head end and paste the pressure-sensitive device that leans on pressure with the tissue. The utility model discloses an it melts the pipe body, the radio frequency melts the appearance, melt electrode, first magnetic pole, second magnetic pole and forced induction device's setting for it is convenient that this melts the pipe and possesses the target location, can the effective control pipe, shorten operation time's advantage, solved present technical target location difficulty, do not judge well to the suitable position of setpoint, the pressure that pipe and tissue paste moreover and direction are difficult to control, it is longer to lead to operation time, influence the problem of success rate, be worth promoting.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to a radio frequency ablation catheter with controllable magnetic poles.
Background
Arrhythmia is one or more of abnormal heart beat frequency and rhythm, heart rhythm origin part and impulse conduction, normal heart rhythm is originated from sinus node, the frequency is 60-100 times/min, the sinus node impulse excites atria and ventricles in sequence through a normal atrioventricular conduction system, and the conduction time of each impulse is constant; the conduction time of impulse to reach ventricular muscle through the fascicular branch and the branches of the impulse and Purkinje fibers is constant, once the impulse conduction time is abnormal and disordered, abnormal beating of an atrium and a ventricle can occur, and symptoms such as atrial fibrillation, ventricular fibrillation and premature beat are caused, which are called arrhythmia, if timely and effective treatment cannot be achieved, premature beat, tachycardia and the like are easy to occur, and patients with serious arrhythmia can have severe precordial pain, convulsion, syncope and sudden death.
The existing technology has the defects that the target location is difficult, the proper position of the location point is not easy to judge, and the pressure and the direction of the catheter attached to the tissue are not easy to control, so that the operation time is long, and the success rate is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a take radio frequency of controllable magnetic pole to melt pipe, it is convenient to possess the target location, can the effective control pipe, shortens operation time's advantage, has solved present technical target location difficulty, does not judge well to the suitable position of setpoint, and the pipe leans on pressure and the direction that the tissue leaned on are difficult to control moreover, lead to operation time longer, influence the problem of success rate.
In order to achieve the above object, the utility model provides a following technical scheme: the radiofrequency ablation catheter with the controllable magnetic pole comprises an ablation catheter body and a radiofrequency ablation instrument connected with the tail end of the ablation catheter body, wherein an ablation electrode, a first magnetic pole and a second magnetic pole are arranged on the surface of the ablation catheter body respectively, the ablation electrode is arranged between the first magnetic pole and the second magnetic pole, a pressure induction device used for inducing the head end of the catheter to be attached to pressure with tissues is arranged on the second magnetic pole, the second magnetic pole and the pressure induction device are matched for use, the output end of the radiofrequency ablation instrument is electrically connected with the ablation electrode, the first magnetic pole and the second magnetic pole respectively, and the output end of the pressure induction device is electrically connected with the second magnetic pole.
Preferably, the ablation catheter body is separable into two parts, one part being an intracardiac part with a first magnetic pole and the other part being an extracardiac part with a second magnetic pole.
Preferably, the part of the ablation catheter body in the heart is punctured through the thoracic cavity and is matched with a visible endoscope for common use, and the ablation catheter body needs to be placed to an atrial fibrillation part.
Preferably, the ablation catheter body needs a second magnetic pole to cooperate with a laparoscope to observe the desired ablation position of the target point when entering the human body through the artery.
Preferably, the ablation catheter body can be a temperature-controlled radio frequency ablation catheter or a radio frequency ablation catheter with an irrigation cavity.
Preferably, the second magnetic pole needs to be positioned at the target position, and the ablation catheter body is effectively positioned through magnetic induction.
Preferably, the first magnetic pole can control the magnitude of the magnetic force through current, the frequency of the radiofrequency ablation instrument is 200-.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model discloses an it melts the pipe body to melt, the radio frequency melts the appearance, melt the electrode, first magnetic pole, second magnetic pole and forced induction device's setting, the current technical target location difficulty has been solved, do not judge well to the suitable position of setpoint, the pipe pastes pressure and the direction that leans on with the tissue is difficult to control moreover, it is longer to lead to the operation time, influence the problem of success rate, this take radio frequency of controllable magnetic pole to melt the pipe and possess the target location convenience, can the effective control pipe, shorten the advantage of operation time, be worth promoting.
2. The utility model discloses under visual environment, the extracardiac second magnetic pole can confirm the tachycardia source point fast effectively, and the first magnetic pole of ablating the pipe body head end and the response of extracardiac second magnetic pole can guarantee to ablate that pipe body position is accurate, and through the magnetic force size control of controllable magnetic pole, can adjust the interact power of two magnetic poles, and then control the pipe head end effectively and organize the pressure that pastes and the direction that pipe head end and tissue pasted, guarantee the radio frequency and melt the effect.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic diagram of the system of the present invention.
In the figure: the ablation catheter comprises an ablation catheter body 1, a radio frequency ablation instrument 2, an ablation electrode 3, a first magnetic pole 4, a second magnetic pole 5 and a pressure induction device 6.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the rf ablation catheter with controllable magnetic pole, includes an ablation catheter body 1 and an rf ablation instrument 2 connected to the end of the ablation catheter body 1, the surface of the ablation catheter body 1 is respectively provided with an ablation electrode 3, a first magnetic pole 4 and a second magnetic pole 5, the ablation electrode 3 is arranged between the first magnetic pole 4 and the second magnetic pole 5, the second magnetic pole 5 is provided with a pressure sensing device 6 for sensing the tissue contact pressure of the catheter tip, the second magnetic pole 5 is used in cooperation with the pressure sensing device 6, the output end of the rf ablation instrument 2 is respectively electrically connected to the ablation electrode 3, the first magnetic pole 4 and the second magnetic pole 5, the output end of the pressure sensing device 6 is electrically connected to the second magnetic pole 5, the whole ablation catheter body 1 can be divided into two parts, and one part is a part located in the heart and provided with the first magnetic pole 4, the other part is a part which is provided with a second magnetic pole 5 and is positioned outside the heart, the part of the ablation catheter body 1 which is positioned inside the heart is punctured through the thoracic cavity and is matched with a visual endoscope for common use, the ablation catheter body 1 needs to be placed at an atrial fibrillation part, the second magnetic pole 5 needs to be matched with a laparoscope to observe a required ablation position of a target point when the ablation catheter body 1 enters a human body through an artery, the ablation catheter body 1 can be a temperature control type radio frequency ablation catheter or a radio frequency ablation catheter with a flushing cavity, the second magnetic pole 5 needs to be positioned at the target point position, the ablation catheter body 1 is effectively positioned through magnetic induction, the first magnetic pole 4 can control the magnetic force through current, the frequency of the radio frequency ablation instrument 2 is 200-plus 500kHz, the output power is 100-plus 400W, and under a visual environment, the second magnetic pole 5 outside the heart can quickly and effectively determine an overspeed, the first magnetic pole 4 at the head end of the ablation catheter body 1 and the second magnetic pole 5 outside the heart can ensure the ablation catheter body 1 to be accurate in position, the interaction force of the two magnetic poles can be adjusted through the magnetic force control of the controllable magnetic poles, so that the pressure of the head end of the catheter attached to the tissue and the direction of the head end of the catheter attached to the tissue can be effectively controlled, the radio frequency ablation effect is ensured, the problem that the operation time is long and the success rate is influenced is solved through the arrangement of the ablation catheter body 1, the radio frequency ablation instrument 2, the ablation electrode 3, the first magnetic pole 4, the second magnetic pole 5 and the pressure sensing device 6, the difficulty in positioning the current technical target point is solved, the proper position of the positioning point is not easy to judge, the pressure and the direction of the catheter attached to the tissue are not easy to control, and the problem that the operation time is long and the, the operation time is shortened, and the method is worth popularizing.
The working principle is as follows: through radial artery or femoral artery puncture, a magnetic control electrode catheter is placed in an atrium, then the heart which induces the tachycardia consistent with the clinic is observed through a thoracic cavity puncture entering a visual endoscope or a visual magnetic control ablation catheter, the tachycardia starting point is found, a second magnetic pole 5 which is positioned outside the heart and has pressure induction is placed at the tachycardia starting point, a first magnetic pole 4 positioned in the heart is moved to the vicinity of the second magnetic pole 5, the induction and attraction between the two magnetic poles help the ablation catheter body 1 to be positioned at the tachycardia starting point, the pressure of the part of the ablation catheter body 1 in the heart to the lesion part is adjusted by adjusting the magnitude of the mutual magnetic force of the controllable magnetic poles, the mutual attraction between the first magnetic pole 4 and the second magnetic pole 5 can help the ablation catheter body 1 to effectively contact the position needing ablation and ensure certain pressure, can adjust the direction of adhering to of ablating electrode 3 through the fine setting of second magnetic pole 5 in extracardiac position, after the completion location and the pressure direction adjustment of ablating catheter body 1, can open radiofrequency ablation appearance 2 and carry out the pipe radiofrequency ablation art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. Take radio frequency of controllable magnetic pole to melt pipe, including melting pipe body (1) and with melt radio frequency ablation appearance (2) that pipe body (1) end is connected, its characterized in that: the utility model discloses a catheter ablation device, including ablation catheter body (1), ablation electrode (3), first magnetic pole (4) and second magnetic pole (5) are provided with respectively on the surface of ablation catheter body (1), ablation electrode (3) set up between first magnetic pole (4) and second magnetic pole (5), be provided with on second magnetic pole (5) and be used for responding to the catheter head end and paste pressure-sensitive device (6) that lean on pressure with the tissue, second magnetic pole (5) and pressure-sensitive device (6) cooperation are used, the output of radiofrequency ablation appearance (2) is connected with electricity between ablation electrode (3), first magnetic pole (4) and second magnetic pole (5) respectively, the electricity is connected between the output of pressure-sensitive device (6) and second magnetic pole (5).
2. The rf ablation catheter with controllable magnetic poles of claim 1, wherein: the whole body of the ablation catheter body (1) can be divided into two parts, wherein one part is a part which is positioned in the heart and provided with a first magnetic pole (4), and the other part is a part which is positioned outside the heart and provided with a second magnetic pole (5).
3. The rf ablation catheter with controllable magnetic poles of claim 1, wherein: the part of the ablation catheter body (1) in the heart is punctured through the thoracic cavity and is matched with a visual endoscope to be used together, and the ablation catheter body (1) needs to be placed at an atrial fibrillation part.
4. The rf ablation catheter with controllable magnetic poles of claim 1, wherein: when the ablation catheter body (1) enters a human body through an artery, the second magnetic pole (5) is matched with the laparoscope to observe the ablation position of the target point.
5. The rf ablation catheter with controllable magnetic poles of claim 1, wherein: the ablation catheter body (1) can be a temperature control type radio frequency ablation catheter or a radio frequency ablation catheter with an irrigation cavity.
6. The rf ablation catheter with controllable magnetic poles of claim 1, wherein: the second magnetic pole (5) needs to be positioned at a target point position, and the ablation catheter body (1) is effectively positioned through magnetic induction.
7. The rf ablation catheter with controllable magnetic poles of claim 1, wherein: the first magnetic pole (4) can control the magnetic force through current, the frequency of the radio frequency ablation instrument (2) is 200-500kHz, and the output power is 100-400W.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921592436.9U CN210872018U (en) | 2019-09-24 | 2019-09-24 | Radio frequency ablation catheter with controllable magnetic pole |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921592436.9U CN210872018U (en) | 2019-09-24 | 2019-09-24 | Radio frequency ablation catheter with controllable magnetic pole |
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| CN210872018U true CN210872018U (en) | 2020-06-30 |
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| CN201921592436.9U Active CN210872018U (en) | 2019-09-24 | 2019-09-24 | Radio frequency ablation catheter with controllable magnetic pole |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022148152A1 (en) * | 2021-01-08 | 2022-07-14 | 北京迈迪顶峰医疗科技股份有限公司 | Ablation apparatus and radiofrequency ablation device |
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2019
- 2019-09-24 CN CN201921592436.9U patent/CN210872018U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022148152A1 (en) * | 2021-01-08 | 2022-07-14 | 北京迈迪顶峰医疗科技股份有限公司 | Ablation apparatus and radiofrequency ablation device |
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