CN204655099U - Be used for the treatment of the radio-frequency ablation electrode of the freezing sacculus of hypertensive band - Google Patents
Be used for the treatment of the radio-frequency ablation electrode of the freezing sacculus of hypertensive band Download PDFInfo
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- CN204655099U CN204655099U CN201520220940.1U CN201520220940U CN204655099U CN 204655099 U CN204655099 U CN 204655099U CN 201520220940 U CN201520220940 U CN 201520220940U CN 204655099 U CN204655099 U CN 204655099U
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Abstract
This utility model provides a kind of radio-frequency ablation electrode being used for the treatment of the freezing sacculus of hypertensive band, comprise sacculus, outer catheter, cable connector, electrode assemblie and temperature measurement component, electrode assemblie comprises electrode network and multiple electrode points fixed thereon, temperature measurement component comprises temperature measuring wire and connected multiple point for measuring temperature, the internal face of electrode network and sacculus fits, and the top end face of multiple electrode points and multiple point for measuring temperature is all exposed outsides at sacculus; In sacculus and outer catheter, inject electrolyte, cable connector is connected with the end of electrode network by electrolyte; The front end face of cable connector is also provided with the pressure transducer for detecting injected electrolyte pressure.This utility model can make electrode points closely be posted by blood vessel, adopts multiple electrode points to carry out multiple spot and melts, and can avoid causing omission to nerve ending, effectively improve the efficiency melted.
Description
Technical field
This utility model relates to a kind of radio-frequency ablation electrode, especially a kind of radio-frequency ablation electrode being used for the treatment of the freezing sacculus of hypertensive band.
Background technology
Along with China's life-time dilatation per capita, senile hypertension prevalence reaches 40% ~ 60%, although current safe and effective medicine gets more and more, hypertensive current treatment status is still poor." Chinese cardiovascular diseases the reports 2005 " data announced for 2006 show, current population of China hypertension awareness, treatment rate and control rate are only 30.6%, 24.7%, 6.1% respectively, and the hypertension prevention and control work of prompting China is also in reduced levels.Therefore hypertensive timely and effective treatment is that a whole society needs the common problem paid close attention to.Prevalence of Hypertension is in rising trend in the world in recent years. and together increase with the aged tendency of population increased rapidly.Report (JNC7) for 2003 the 7th time according to U.S.'s prevention, detection, assessment and treatment hypertension Joint National committee, there is hyperpietic about 1,000,000,000 in the current whole world.
Especially the treatment for intractable hypertension is particularly urgent, intractable hypertension refers to has used the antihypertensive drugs of three kinds or more (comprising diuretic) to have also been changed life style simultaneously, but blood pressure is still more than or equal to the hypertension of 140/90mmHg.It is the modal cardiovascular diseases of middle-aged and elderly people, is also the important risk factor causing coronary heart disease, apoplexy, congestive heart failure, renal failure, aortic aneurysm, is the first cause that middle-aged and elderly people is lethal, disable.
Research shows: renal sympathetic nerve discharge (renal sympathetic nerve activity, RSNA) can cause renal tubules sodium fluid reabsorption to increase, cause renin release and renal vascular resistance to change, thus blood pressure is raised.And by kidney Sympathetic Primary Afferent Nerves, the reflected signal of kidney sensor is conducted to maincenter, then by kidney Sympathetic Nerve neuroregulation blood pressure.Visible RSNA short-term can not only regulate the change of renal artery antiotasis, is also the hypertensive key factor of long term maintenance.Therefore renal artery is orthosympathetic to be melted to use radio frequency ablation catheter for renal artery to carry out for obstinate hypertension, the hypertensive new hope for the treatment of, also be a new method of non-hypertension therapy simultaneously, and show that the method is safely and effectively according to the clinical trial in external early stage, can be widely used, hyperpietic can be made to break away from the puzzlement of drug administration every day.
At present, equipment such as similar " helical form ring renal artery sympathetic nerve frequency ablation electrode catheter (patent No. 200920172984.6) " is had in this field, its ultimate principle is, at the ablating electrode of the affixed given shape of end of conduit, although this kind equipment can melt renal artery, but because the diameter equidimension of ablating electrode is fixing, can not regulate, cannot ensure that ablating electrode follows renal artery blood vessel closely to recline, and can not instant monitoring temperature be carried out, cannot accurately control to melt temperature, as easy as rolling off a logly make degree of ablation not or ablation of excess, and then cause the accidents such as renal artery vascular puncture.
Summary of the invention
For the weak point existed in the problems referred to above, this utility model provides one that electrode points can be made closely to be posted by blood vessel, can also avoid causing omission to nerve ending, effectively improve the radio-frequency ablation electrode being used for the treatment of the freezing sacculus of hypertensive band of the efficiency melted.
For achieving the above object, this utility model provides a kind of radio-frequency ablation electrode being used for the treatment of the freezing sacculus of hypertensive band, comprise sacculus (1), outer catheter (10), cable connector (6), electrode assemblie and temperature measurement component, described electrode assemblie comprises electrode network (2) and multiple electrode points (3) fixed thereon, described temperature measurement component comprises temperature measuring wire (8) and connected multiple point for measuring temperature (7), described electrode network (2) fits with the wall of described sacculus (1), multiple described electrode points (3) is all exposed outsides in described sacculus (1) with the top end face of multiple described point for measuring temperature (7),
In described sacculus (1) with described outer catheter (10), inject electrolyte (11), described cable connector (6) is connected with described electrode network (2) by electrolyte (11);
The front end face of described cable connector (6) is also provided with the pressure transducer (9) for detecting injected electrolyte (11) pressure.
The above-mentioned radio-frequency ablation electrode being used for the treatment of the freezing sacculus of hypertensive band, wherein, described sacculus (1) is provided with multiple electrode points through hole for accommodating described electrode points (3) and multiple point for measuring temperature through hole for accommodating described point for measuring temperature (7).
The above-mentioned radio-frequency ablation electrode being used for the treatment of the freezing sacculus of hypertensive band, wherein, described sacculus (1) is by being sprayed on described electrode network (2) outside and being made by the macromolecular material that described electrode network (2) wraps up.
The above-mentioned radio-frequency ablation electrode being used for the treatment of the freezing sacculus of hypertensive band, wherein, described temperature measuring wire (8) is wrapped on described electrode network (2), and the end of described temperature measuring wire (8) is connected with described cable connector (6).
The above-mentioned radio-frequency ablation electrode being used for the treatment of the freezing sacculus of hypertensive band, wherein, in described electrode network (2) except the region of described electrode points (3) installation position, is all be enclosed with at least layer protecting film;
In described temperature measuring wire (8) except the region of described point for measuring temperature (7) installation position, be all be enclosed with at least layer protecting film.
The above-mentioned radio-frequency ablation electrode being used for the treatment of the freezing sacculus of hypertensive band, wherein, the end of described electrode network (2) and the internal face of described outer catheter (10) fit, and are in different planes from described sacculus (1).
The above-mentioned radio-frequency ablation electrode being used for the treatment of the freezing sacculus of hypertensive band, wherein, also comprise liquid injection pipe (5) and inner catheter (4), the front end face of described outer catheter (10) and the end on of described sacculus (1), one end of described liquid injection pipe (5) is connected with described outer catheter (10);
The front end of described inner catheter (4) extends to the outside of described sacculus (1) through the inside of described outer catheter (10) and described sacculus (1) successively, and the end of described inner catheter (4) is connected with described cable connector (6).
The above-mentioned radio-frequency ablation electrode being used for the treatment of the freezing sacculus of hypertensive band, wherein, described sacculus comprises outer sacculus (12) and internal layer sacculus (13), and described electrode network (2) is arranged between described outer sacculus (12) and described internal layer sacculus (13);
Described outer sacculus (12) with described internal layer sacculus (13) are all be distributed with multiple electrode points through hole for accommodating described electrode points (3) and multiple point for measuring temperature through hole for accommodating described point for measuring temperature (7).
The above-mentioned radio-frequency ablation electrode being used for the treatment of the freezing sacculus of hypertensive band, wherein, described outer sacculus (12) is by being sprayed on described electrode network (2) outer surface and being made by the macromolecular material that described electrode network (2) wraps up;
Described internal layer sacculus (13) is by being sprayed on described electrode network (2) inner surface and being made by the macromolecular material that described electrode network (2) wraps up.
The above-mentioned radio-frequency ablation electrode being used for the treatment of the freezing sacculus of hypertensive band, wherein, the end of described electrode network (2) and the internal face of described outer catheter (10) fit, and are in different planes from described outer sacculus (12) and described internal layer sacculus (13).
Compared with prior art, this utility model has the following advantages:
In this utility model, electrolyte makes it expand after injection sacculus, being supported by electrode network makes the multiple electrode points be distributed on sacculus closely be posted by blood vessel, adopt multiple electrode points to carry out multiple spot to melt, can avoid causing omission to nerve ending, effectively improve the efficiency melted;
By multiple point for measuring temperature, in ablation procedure, the heat that the electrode points of diverse location discharges can be monitored;
By injecting electrolyte in outer catheter and sacculus, can make inflation on the one hand, be to play electric action on the other hand, realize the electrical connection between electrode network and cable connector, in addition, electrolyte can also play cooling effect, reaches the object of cold and hot treatment;
Can be monitored the pressure of electrolyte in outer catheter and sacculus by pressure transducer, occur overflow or leakage phenomenon to avoid the electrolyte in outer catheter and sacculus;
After being double-layer structure by the configuration settings of sacculus, effectively can be avoided the overflow problem of electrolyte by internal layer sacculus.
Accompanying drawing explanation
Fig. 1 is the sectional view of the first embodiment of the present utility model;
Fig. 2 is the sectional view of the second embodiment of the present utility model;
Fig. 3 is the state diagram that Fig. 2 is in that electrolyte is injected at end.
Main Reference Numerals is described as follows:
1-sacculus; 2-electrode network; 3-electrode points; 5-inner catheter; 6-cable connector; 7-point for measuring temperature; 8-temperature measuring wire; 9-pressure transducer; 10-outer catheter; 11-electrolyte; The outer sacculus of 12-; The outer sacculus of 13-
Detailed description of the invention
As shown in Figure 1, this utility model provides a kind of radio-frequency ablation electrode being used for the treatment of the freezing sacculus of hypertensive band, comprises sacculus 1, outer catheter 10, cable connector 6, liquid injection pipe 5, inner catheter 4, electrode assemblie and temperature measurement component.The front end face of outer catheter 10 and the end on of sacculus 1, one end of liquid injection pipe 5 is connected with outer catheter 10, the top end face of liquid injection pipe forms liquid injection port, electrolyte normal saline etc. with conducting function is infused in outer catheter and sacculus by liquid injection pipe, along with the increase of electrolyte injection rate, to make inflation.In addition, electrolyte also has cooling effect, can reach the object of cold and hot treatment.
Inner catheter is used for guiding puncture seal wire, is convenient to sacculus to put into appropriate location.The front end of inner catheter 4 extends to the outside of sacculus 1 through the inside of outer catheter 10 and sacculus 1 successively, and the end of inner catheter 4 is connected with cable connector 6.
Cable connector is used for being connected with the radio-frequency (RF) therapy equipment of outside.One end of cable connector 6 is arranged on the inside of outer catheter 10.The front end face of cable connector 6 is also provided with the pressure transducer 9 for detecting injected electrolyte 11 pressure.Automatically can be monitored the pressure of electrolyte in outer catheter and sacculus by pressure transducer, and pressure is fed back.When the force value monitored is in abnormal force value, represents in outer catheter and sacculus and occur that electrolysis is coated with overflow phenomena, now need stopping to carry out radio frequency output function.
Electrode assemblie comprises electrode network 2 and multiple electrode points 3 fixed thereon, temperature measurement component comprises temperature measuring wire 8 and connected multiple point for measuring temperature 7, electrode network 2 fits with the internal face of sacculus 1, and multiple electrode points 3 is all exposed outsides at sacculus 1 with the top end face of multiple point for measuring temperature 7.
In the present embodiment, multiple electrode points 3 is distributed on sacculus 1 in the shape of a spiral with multiple point for measuring temperature 7.Multiple electrode points is distributed on sacculus in the shape of a spiral, can avoid omitting melting of teleneuron.In addition, be all that a point for measuring temperature is installed in the side of each electrode points, the temperature discharged when melting for electrode points by point for measuring temperature.Point for measuring temperature can the temperature of immediately monitoring ablating electrode, and then accurately temperature is melted in monitoring, further increases the efficiency melted, and effectively prevents from melting not or the malpractice such as vascular puncture that ablation of excess causes.
When being injected with more electrolyte 11 in sacculus 1 with outer catheter 10, cable connector 6 is just connected by the end of electrolyte 11 with electrode network 2, thus makes multiple electrode points charged.
In the present embodiment, electrode network is spiral net, can to get up supporting role to sacculus.In addition, in electrode network 2 except the region of electrode points 3 installation position, be all be enclosed with at least layer protecting film (not describing in figure).
Temperature measuring wire 8 is wrapped on electrode network 2, and the end of temperature measuring wire 8 is connected with cable connector 6.In addition, in temperature measuring wire 8 except the region of point for measuring temperature 7 installation position, be all be enclosed with at least layer protecting film (not describing in figure).
In the present embodiment, sacculus 1 is single layer structure, by be sprayed on outside electrode network 2 and to be made by the macromolecular material that electrode network 2 wraps up.
Sacculus 1 is provided with multiple electrode points through hole (not describing in figure) for accommodating electrode points 3 and multiple point for measuring temperature through hole (not describing in figure) for accommodating point for measuring temperature 7.
At electrode points and electrode points through hole and the sealing member that is provided with between point for measuring temperature 7 and point for measuring temperature through hole for preventing electrolyte overflow in sacculus 1.Wherein, the seal is be infused in electrode points and electrode points through hole and the fluid sealant between point for measuring temperature 7 and point for measuring temperature through hole.In order to impact electrode points, therefore, fluid sealant can not cover the top end face of electrode points.
Sacculus in this utility model expands and struts under electrolyte and electrode network effect, and sacculus makes multiple electrode points and renal artery inner membrance close contact upon inflation, thus carries out radiofrequency ablation therapy.
As shown in Figure 2 and Figure 3, the difference between the first embodiment recorded in the present embodiment and Fig. 1 is, sacculus comprises outer sacculus 12 and internal layer sacculus 13, and electrode network 2 is arranged between outer sacculus 12 and internal layer sacculus 13.The end of electrode network 2 and the internal face of outer catheter 10 fit, and are in different planes from outer sacculus 12 and internal layer sacculus 13, and wherein, the end of electrode network 2 can be in identical plane with the end of outer sacculus 12.
Wherein, outer sacculus 12 is by being sprayed on electrode network 2 outer surface and being made by the macromolecular material that electrode network 2 wraps up, and internal layer sacculus 13 is by being sprayed on electrode network 2 inner surface and being made by the macromolecular material that electrode network 2 wraps up.
Outer sacculus 12 with internal layer sacculus 13 are all be distributed with multiple electrode points through hole for accommodating electrode points 3 and multiple point for measuring temperature through hole for accommodating point for measuring temperature 7.Wherein, in same position, the electrode points through hole being opened in outer sacculus is corresponding with the position of the electrode points through hole being opened in internal layer sacculus, and the point for measuring temperature through hole being opened in outer sacculus is corresponding with the position of the point for measuring temperature through hole being opened in internal layer sacculus.
After sacculus is set to double-layer structure, can prevent electrolyte from overflowing by internal layer sacculus.
These are only preferred embodiment of the present utility model, is only illustrative for invention, and nonrestrictive.Those skilled in the art is understood, and can carry out many changes in the spirit and scope that invention claim limits to it, amendment, even equivalence, but all will fall in protection domain of the present utility model.
Claims (10)
1. one kind is used for the treatment of the radio-frequency ablation electrode of the freezing sacculus of hypertensive band, comprise sacculus (1), outer catheter (10), cable connector (6), electrode assemblie and temperature measurement component, described electrode assemblie comprises electrode network (2) and multiple electrode points (3) fixed thereon, described temperature measurement component comprises temperature measuring wire (8) and connected multiple point for measuring temperature (7), it is characterized in that, described electrode network (2) fits with the wall of described sacculus (1), multiple described electrode points (3) is all exposed outsides in described sacculus (1) with the top end face of multiple described point for measuring temperature (7),
In described sacculus (1) with described outer catheter (10), inject electrolyte (11), described cable connector (6) is connected by the end of electrolyte (11) with described electrode network (2);
The front end face of described cable connector (6) is also provided with the pressure transducer (9) for detecting injected electrolyte (11) pressure.
2. the radio-frequency ablation electrode being used for the treatment of the freezing sacculus of hypertensive band according to claim 1, it is characterized in that, described sacculus (1) is provided with multiple electrode points through hole for accommodating described electrode points (3) and multiple point for measuring temperature through hole for accommodating described point for measuring temperature (7).
3. the radio-frequency ablation electrode being used for the treatment of the freezing sacculus of hypertensive band according to claim 2, it is characterized in that, described sacculus (1) is by being sprayed on described electrode network (2) outside and being made by the macromolecular material that described electrode network (2) wraps up.
4. the radio-frequency ablation electrode being used for the treatment of the freezing sacculus of hypertensive band according to claim 1, it is characterized in that, described temperature measuring wire (8) is wrapped on described electrode network (2), and the end of described temperature measuring wire (8) is connected with described cable connector (6).
5. the radio-frequency ablation electrode being used for the treatment of the freezing sacculus of hypertensive band according to claim 4, it is characterized in that, in described electrode network (2) except the region of described electrode points (3) installation position, be all be enclosed with at least layer protecting film;
In described temperature measuring wire (8) except the region of described point for measuring temperature (7) installation position, be all be enclosed with at least layer protecting film.
6. the radio-frequency ablation electrode being used for the treatment of the freezing sacculus of hypertensive band according to claim 5, it is characterized in that, the end of described electrode network (2) and the internal face of described outer catheter (10) fit, and are in different planes from described sacculus (1).
7. according to the described radio-frequency ablation electrode being used for the treatment of the freezing sacculus of hypertensive band arbitrary in claim 1 to 6, it is characterized in that, also comprise liquid injection pipe (5) and inner catheter (4), the front end face of described outer catheter (10) and the end on of described sacculus (1), one end of described liquid injection pipe (5) is connected with described outer catheter (10);
The front end of described inner catheter (4) extends to the outside of described sacculus (1) through the inside of described outer catheter (10) and described sacculus (1) successively, and the end of described inner catheter (4) is connected with described cable connector (6).
8. the radio-frequency ablation electrode being used for the treatment of the freezing sacculus of hypertensive band according to claim 1, it is characterized in that, described sacculus comprises outer sacculus (12) and internal layer sacculus (13), and described electrode network (2) is arranged between described outer sacculus (12) and described internal layer sacculus (13);
Described outer sacculus (12) with described internal layer sacculus (13) are all be distributed with multiple electrode points through hole for accommodating described electrode points (3) and multiple point for measuring temperature through hole for accommodating described point for measuring temperature (7).
9. the radio-frequency ablation electrode being used for the treatment of the freezing sacculus of hypertensive band according to claim 8, it is characterized in that, described outer sacculus (12) is by being sprayed on described electrode network (2) outer surface and being made by the macromolecular material that described electrode network (2) wraps up;
Described internal layer sacculus (13) is by being sprayed on described electrode network (2) inner surface and being made by the macromolecular material that described electrode network (2) wraps up.
10. the radio-frequency ablation electrode being used for the treatment of the freezing sacculus of hypertensive band according to claim 9, it is characterized in that, the end of described electrode network (2) and the internal face of described outer catheter (10) fit, and are in different planes from described outer sacculus (12) and described internal layer sacculus (13).
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105615998A (en) * | 2016-02-29 | 2016-06-01 | 上海交通大学 | Atherosclerosis targeted therapy device |
| CN109646106A (en) * | 2019-03-12 | 2019-04-19 | 上海微创电生理医疗科技股份有限公司 | Foley's tube and electro physiology system |
| CN111419387A (en) * | 2020-03-27 | 2020-07-17 | 上海健康医学院 | Method for preparing balloon surface ablation electrode in piezoelectric spraying mode |
| CN111887971A (en) * | 2019-05-06 | 2020-11-06 | 张建强 | Three-dimensional mapping cryoablation device |
| CN114404023A (en) * | 2019-09-03 | 2022-04-29 | 深圳北芯医疗科技有限公司 | Variable hardness structure, flexible seal wire and cryoablation device |
-
2015
- 2015-04-14 CN CN201520220940.1U patent/CN204655099U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105615998A (en) * | 2016-02-29 | 2016-06-01 | 上海交通大学 | Atherosclerosis targeted therapy device |
| CN105615998B (en) * | 2016-02-29 | 2018-04-06 | 上海交通大学 | A kind of atherosclerosis guiding target treatment device |
| CN109646106A (en) * | 2019-03-12 | 2019-04-19 | 上海微创电生理医疗科技股份有限公司 | Foley's tube and electro physiology system |
| CN111887971A (en) * | 2019-05-06 | 2020-11-06 | 张建强 | Three-dimensional mapping cryoablation device |
| CN111887971B (en) * | 2019-05-06 | 2023-12-12 | 张建强 | Three-dimensional mapping cryoablation device |
| CN114404023A (en) * | 2019-09-03 | 2022-04-29 | 深圳北芯医疗科技有限公司 | Variable hardness structure, flexible seal wire and cryoablation device |
| CN111419387A (en) * | 2020-03-27 | 2020-07-17 | 上海健康医学院 | Method for preparing balloon surface ablation electrode in piezoelectric spraying mode |
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Effective date of registration: 20220726 Address after: 213161 201, floor 2, plant 8, Changzhou Innovation Park, Israel, China, No. 18-67, middle Changwu Road, Wujin District, Changzhou City, Jiangsu Province Patentee after: Changzhou weimaikang Medical Instrument Co.,Ltd. Address before: Room 202, unit 6, building 10, blues international, No. 88, sanluju Road, Fengtai District, Beijing 100073 Patentee before: Chang Chengzhong Patentee before: Ni Feiyu |
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Addressee: Chang Chengzhong Document name: Notification of Eligibility for Procedures |