CN105534595A - Ablation electrode - Google Patents
Ablation electrode Download PDFInfo
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- CN105534595A CN105534595A CN201410605208.6A CN201410605208A CN105534595A CN 105534595 A CN105534595 A CN 105534595A CN 201410605208 A CN201410605208 A CN 201410605208A CN 105534595 A CN105534595 A CN 105534595A
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- flexible pipe
- pipe body
- electrode
- free end
- temperature sensor
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Abstract
The invention relates to the field of pain ablation, in particular to an ablation electrode. The ablation electrode comprises a flexible tube body, a support component and an electrode, wherein the flexible tube body is a hose made of biocompatible materials; the two ends of the flexible tube body are provided with open holes; the flexible tube body can bend, and comprises a free end; the support component is arranged in the flexible tube body in a penetrating way, and can be extracted out from the non-free end of the flexible tube body; one end of the support component can penetrate out of the free end of the flexible tube body; and the electrode is arranged at the free end of the flexible tube body, and can release the radio frequency energy. The invention aims at providing the soft and flexible ablation electrode with the advantages that the attaching effect is good; the operation difficulty is reduced; a contrast agent is uniformly distributed; and the puncture effect is good.
Description
technical field
The present invention relates to a kind of pain and melt field, particularly a kind of ablating electrode.
Background technology
Radio-frequency ablation technique is used for Neurotherapeutic, soft tissue injury and alleviate soft tissue pressure between vertebra, as trigeminal neuralgia, the diseases such as prolapse of lumbar intervertebral disc, carrying out radio-frequency (RF) ablation is that puncture needle is inserted pathological tissues, radio-frequency (RF) energy is discharged by electrode needle, loop is formed with electrode slice, by biological tissue's intermediate ion conductive electric current produce the heat that Joule heat and biological tissue produce because of dielectric loss in electromagnetic field of high frequency, and cause pathological tissues temperature to raise, thus reach therapeutic purposes, therapeutic domain is relevant with the temperature suffered by tissue with effect, and temperature is by the energy applied, the speed of heating and the sensitive characteristic of tissue determine.Usual heating-up temperature is 42 DEG C ~ 45 DEG C, and the time is 30-60min, just can cause the degeneration of irreversible intracellular protein (comprising memebrane protein).When tissue temperature is elevated to 60 DEG C, the time that cell produces irreversible damage will shorten greatly.When temperature is more than 60 DEG C, protein denaturation, cell is dead for a moment, thus reaches therapeutic effect.
Tradition puncture needle prong or blunt pin, because pin is fixing bending, well can not arrive therapentic part, as: bending can not be excessive, and bending crosses conference impact puncture effect, otherwise it is undesirable to cause reclining, and affects therapeutic effect; Tradition puncture needle can only one pole or bipolar ablation, and conventional electrodes length is fixing 5mm, 10mm or 15mm, uncontrollable length and the scope of melting when melting; As multiple spot melt or pulse radiation frequency treatment time, then need to insert many root punctures pin and treat, increase the misery of sufferer, increase operation process difficulty; When observing nerve root by contrast agent, traditional puncture needle contrast agent distribution is uneven.
Summary of the invention
To the object of the invention is to overcome in prior art existing above-mentioned deficiency, a kind of soft and elasticity be provided, recline better, reduce operating difficulty, contrast agent evenly distribution, the ablating electrode of puncture better effects if.
In order to realize foregoing invention object, the invention provides following technical scheme:
A kind of ablating electrode, it melts field for pain, and it comprises:
Flexible pipe body, the flexible pipe of its two ends perforate formed for biocompatible material, can bend, comprise a free end;
Support component, it is located in described flexible pipe body, and can extract out by non-described free end from described flexible pipe body, its one end can pass described flexible pipe body free end;
Electrode, it is arranged on the free end of described flexible pipe body, can discharge radio-frequency (RF) energy.
The mode adopting flexible pipe body to add support component substitutes the prong of the fixing bending of prior art or blunt pin, after adopting support member supports to make described flexible pipe body arrive sufferer place, extract described support component out, by the flexible pipe conveying contrast agent in flexible pipe body or medicament, carry out lower sequence work, which puncture better effects if, described flexible pipe body softness and elasticity, recline better, reduce operating difficulty, its free end opening of flexible pipe body, contrast agent is evenly distribution, and image effect is better.
As preferred version of the present invention, described ablating electrode also comprises handle, described flexible pipe body restrain end is arranged on described handle, described handle hollow, described support component can be located in described flexible pipe body, handle simultaneously, and flexible pipe body hollow, inserts support component by handle, and stretch out from flexible pipe body free end opening, reach the effect that better punctures.
As preferred version of the present invention, be also provided with chamber in described flexible pipe body, described chamber is used for by support component, and integrated level is higher, reduces flexible pipe body volume, makes ablating electrode volume less, reduces the misery of patient.
As preferred version of the present invention, described ablating electrode also comprises temperature sensor, described temperature sensor is installed on described electrode lower surface, and described temperature sensor is by temperature sensor lead energy supply, and described electrode is by electrode cable energy supply, described temperature sensor is through described chamber, the mode that temperature sensor is installed on described electrode lower surface makes temperature sensing more accurate, and integrated level is higher simultaneously, reduces flexible pipe body volume, make ablating electrode volume less, reduce the misery of patient.
As preferred version of the present invention, described electrode cable, temperature sensor lead are in described flexible pipe body and discharged to the coiling of same direction, described handle end has the hole of stretching out for described electrode cable, temperature sensor lead, described electrode cable, temperature sensor lead are stretched out this hole and are connected with external power source by plug, integrated level is higher, make ablating electrode volume less, reduce flexible pipe body volume, reduce the misery of patient.
As preferred version of the present invention, described electrode is arranged on the outer surface of described flexible pipe body free end.
As preferred version of the present invention, described support component is lining core, it comprises mount pad and mandrel, its shape of described mandrel can be straight shape, curved, circular arc, to be installed on described mount pad and to be arranged in described flexible pipe body, described mount pad can be fixedly installed in described handle end, the simple science of structure.
As preferred version of the present invention, described handle end is the body of outside distribution screw thread, described mount pad is provided with the female thread with the threaded engagement on described handle, described mandrel is located in described flexible pipe body, is coordinated with described handle by described mount pad, realizes location, mount pad can be rotatably inserted into handle, when wearing flexible pipe body and entering patient body, mandrel is subject to organizational stress, and mandrel can not be caused to deviate from from handle.
As preferred version of the present invention, described mandrel is the strip piece that hardness is greater than described flexible hose, and it is the cross section boss that gradually little or cross section is constant that described flexible pipe body part is paid at mandrel top, is easy to puncture.
As preferred version of the present invention, described electrode retaining collar is around the outer surface of flexible pipe body free end, and quantity is equal to or greater than 1, can carry out multipole and melt, and only need insert a flexible pipe body and treat, reduce the misery of sufferer, reduces operation process difficulty.
compared with prior art, beneficial effect of the present invention:
Softness and elasticity, recline better, reduce operating difficulty, and contrast agent is evenly distribution, and puncture better effects if.
accompanying drawing illustrates:
Fig. 1 is the structural representation that the present invention does not insert when serving as a contrast core.
Fig. 2 is the structural representation that the present invention inserts when serving as a contrast core.
Fig. 3 is that the present invention illustrates the structural representation of wire arrangements mode.
Fig. 4 is electrode place first of the present invention structural representation.
Fig. 5 is electrode place second of the present invention structural representation.
Fig. 6 is electrode place the 3rd of the present invention structural representation.
Fig. 7 is wire arrangements first schematic diagram of the present invention.
Fig. 8 is wire arrangements second schematic diagram of the present invention.
Fig. 9 is mandrel one structural representation that the present invention serves as a contrast core.
Figure 10 is the structural representation that the present invention serves as a contrast core.
Figure 11 is the design sketch of the present invention when using Figure 10 to serve as a contrast core.
Figure 12 is another structural representation of mandrel that the present invention serves as a contrast core.
Figure 13 is another structural representation that the present invention serves as a contrast core.
Figure 14 is the design sketch of the present invention when using Figure 13 to serve as a contrast core.
Labelling in figure: 1-free end, 2-electrode, 3-flexible pipe body, 4-handle, 5-wire harness, 6-plug, 7-serves as a contrast core, 8-temperature sensor lead, 9-electrode cable.
Detailed description of the invention
Below in conjunction with embodiment and detailed description of the invention, the present invention is described in further detail.But this should be interpreted as that the scope of the above-mentioned theme of the present invention is only limitted to following embodiment, all technology realized based on content of the present invention all belong to scope of the present invention.
embodiment 1
As Fig. 1,2, a kind of ablating electrode, it melts field for pain, and it comprises:
Flexible pipe body 3, the flexible pipe of its two ends perforate formed for biocompatible material, can bend, comprise a free end 1, concrete being made up (as: polyether block amide, polyurethane or nylon) of the macromolecular material with biocompatibility of flexible pipe body 3;
Support component, it is located in described flexible pipe body 3, and can extract out by non-described free end 1 from described flexible pipe body 3, its one end can pass described flexible pipe body 3 free end 1;
Electrode 2, it is arranged on the free end 1 of described flexible pipe body 3, can discharge radio-frequency (RF) energy, described electrode 2 is looped around the outer surface of flexible pipe body 3 free end 1, and quantity is equal to or greater than 1, in the present embodiment be 4, uniform along described flexible pipe body 3 length direction, each electrode 2, by independent electrode cable 9 energy supply, can realize one pole, multipole, multipole interpolar melt, adaptability is stronger, reduces patient suffering.
In the present embodiment, described ablating electrode also comprises handle 4, described flexible pipe body 3 restrain end 1 is arranged on described handle 4, described handle 4 hollow, described support component can be located in described flexible pipe body 3, handle 4 simultaneously, described handle 4 is body, and its outer surface is provided with slip-resistant texture, is convenient to doctor and grips.
As Fig. 3, in the present embodiment, be also provided with chamber in described flexible pipe body 3, described chamber is used for passing through support component.
Described ablating electrode also comprises described temperature sensor, it is installed on described electrode 2 lower surface, described temperature sensor is by temperature sensor lead 8 energy supply, described temperature sensor is through described chamber, described temperature sensor is by temperature sensor lead 8 energy supply, and described electrode is by electrode cable 9 energy supply.
As Fig. 3,7,8, described electrode cable 9, temperature sensor lead 8 are in described flexible pipe body and discharged to the coiling of same direction, its side-by-side configuration is multiple, as Fig. 7,8, temperature sensor lead 8 can and come electrode cable 9 both sides, also can and come between two adjacent electrode wires 9, described handle 4 end has the hole of stretching out for described electrode cable 9, temperature sensor lead 8, described electrode cable 9, temperature sensor lead 8 stretch out this hole union synthesis wire harness 5, are connected with external power source by plug 6.
In the present embodiment, described support component is lining core 7, it comprises mount pad and mandrel, its shape of described mandrel can be straight shape, curved, circular arc, to be installed on described mount pad and to be arranged in described flexible pipe body 3, described mount pad can be fixedly installed in described handle 4 end, when described mandrel inserts flexible pipe body 3, handle 4, is interference fit or interference fits.
Described handle 4 end is the body of outside distribution screw thread, and described mount pad is provided with the female thread with the threaded engagement on described handle 4, described mandrel is located in described flexible pipe body 3, is coordinated with described handle 4 by described mount pad, realizes location.
As Fig. 4,5,6, described mandrel is the strip piece that hardness is greater than described flexible hose, it is the cross section boss that gradually little or cross section is constant that described flexible pipe body 3 part is paid at mandrel top, can be that semicircle is spherical, taper, trapezoid boss, shell type dril, described mandrel is that rustless steel or titanium are formed.
According to different lesions position, described lining core 7 can be difformity, and as Fig. 9-Figure 11, the top bending of described mandrel once, at an angle, can support described flexible pipe body 3, make its free end 1 become this shape, can better adapt to the shape of lesions position;
As Figure 12-13, the top curved of described mandrel is circular arc, and its shape can support described flexible pipe body 3, makes its free end 1 become circular arc, can better adapt to the shape of lesions position;
By practical situation, according to difform lesions position, the lining core 7 of customization difformity mandrel, for treatment, therapeutic effect is good.
Claims (10)
1. an ablating electrode, it melts field for pain, and it comprises:
Flexible pipe body, the flexible pipe of its two ends perforate formed for biocompatible material, can bend, comprise a free end;
Support component, it is located in described flexible pipe body, and can extract out by non-described free end from described flexible pipe body, its one end can pass described flexible pipe body free end;
Electrode, it is arranged on the free end of described flexible pipe body, can discharge radio-frequency (RF) energy.
2. a kind of ablating electrode according to claim 1, is characterized in that, also comprise handle, and described flexible pipe body restrain end is arranged on described handle, described handle hollow, and described support component can be located in described flexible pipe body, handle simultaneously.
3. a kind of ablating electrode according to claim 1, is characterized in that, is provided with chamber in described flexible pipe body, and described chamber is used for passing through support component.
4. a kind of ablating electrode according to claim 1, is characterized in that, also comprise temperature sensor, and described temperature sensor is installed on described electrode lower surface, and described temperature sensor is by temperature sensor lead energy supply, and described electrode is by electrode cable energy supply.
5. a kind of ablating electrode according to claim 4, it is characterized in that, described electrode cable, temperature sensor lead are in described flexible pipe body and discharged to the coiling of same direction, described handle end has the hole of stretching out for described electrode cable, temperature sensor lead, and described electrode cable, temperature sensor lead are stretched out this hole and be connected with external power source by plug.
6. a kind of ablating electrode according to claim 1, is characterized in that, described electrode is arranged on the outer surface of described flexible pipe body free end.
7. a kind of ablating electrode according to claim 2, it is characterized in that, described support component is lining core, it comprises mount pad and mandrel, its shape of described mandrel can be straight shape, curved, circular arc, being installed on described mount pad and being arranged in described flexible pipe body, described mount pad can be fixedly installed in described handle end.
8. a kind of ablating electrode according to claim 7, it is characterized in that, described handle end is the body of outside distribution screw thread, described mount pad is provided with the female thread with the threaded engagement on described handle, described mandrel is located in described flexible pipe body, coordinated with described handle by described mount pad, realize location.
9. a kind of ablating electrode according to claim 7, is characterized in that, described mandrel is the strip piece that hardness is greater than described flexible hose, and it is the cross section boss that gradually little or cross section is constant that described flexible pipe body part is paid at mandrel top.
10. a kind of ablating electrode according to claim 6, is characterized in that, described electrode retaining collar is around the outer surface of flexible pipe body free end, and quantity is equal to or greater than 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410605208.6A CN105534595B (en) | 2014-10-31 | 2014-10-31 | A kind of ablating electrode |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410605208.6A CN105534595B (en) | 2014-10-31 | 2014-10-31 | A kind of ablating electrode |
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| CN105534595A true CN105534595A (en) | 2016-05-04 |
| CN105534595B CN105534595B (en) | 2019-02-22 |
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| CN201410605208.6A Active CN105534595B (en) | 2014-10-31 | 2014-10-31 | A kind of ablating electrode |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018006384A1 (en) * | 2016-07-07 | 2018-01-11 | 四川锦江电子科技有限公司 | Ablation electrode |
| CN108066003A (en) * | 2017-12-29 | 2018-05-25 | 浙江归创医疗器械有限公司 | Ablation catheter |
| CN109953817A (en) * | 2017-12-25 | 2019-07-02 | 四川锦江电子科技有限公司 | A kind of combined type ablation puncture member |
| CN109953814A (en) * | 2017-12-25 | 2019-07-02 | 四川锦江电子科技有限公司 | A kind of combined type ablation sting device |
| CN112998845A (en) * | 2021-02-08 | 2021-06-22 | 上海睿刀医疗科技有限公司 | Multi-electrode ablation needle and method for determining electrode spacing of multi-electrode ablation needle |
| CN113329681A (en) * | 2019-01-25 | 2021-08-31 | 华沙整形外科股份有限公司 | Devices and methods for diagnosis and treatment of discogenic back pain |
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| CN202426648U (en) * | 2011-12-22 | 2012-09-12 | 王涛 | Radiofrequency ablation electrode capable of controlling angle of end electrode |
| CN203815580U (en) * | 2014-04-22 | 2014-09-10 | 上海微创电生理医疗科技有限公司 | Renal artery radio-frequency ablation electrode catheter |
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Patent Citations (6)
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| US6053912A (en) * | 1995-05-01 | 2000-04-25 | Ep Techonologies, Inc. | Systems and methods for sensing sub-surface temperatures in body tissue during ablation with actively cooled electrodes |
| US6356790B1 (en) * | 1996-03-11 | 2002-03-12 | Medtronic, Inc. | Apparatus for R-F ablation |
| CN1927131A (en) * | 2001-05-01 | 2007-03-14 | 咖帝玛股份有限公司 | Electrophysiology device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018006384A1 (en) * | 2016-07-07 | 2018-01-11 | 四川锦江电子科技有限公司 | Ablation electrode |
| CN109953817A (en) * | 2017-12-25 | 2019-07-02 | 四川锦江电子科技有限公司 | A kind of combined type ablation puncture member |
| CN109953814A (en) * | 2017-12-25 | 2019-07-02 | 四川锦江电子科技有限公司 | A kind of combined type ablation sting device |
| CN108066003A (en) * | 2017-12-29 | 2018-05-25 | 浙江归创医疗器械有限公司 | Ablation catheter |
| CN113329681A (en) * | 2019-01-25 | 2021-08-31 | 华沙整形外科股份有限公司 | Devices and methods for diagnosis and treatment of discogenic back pain |
| US11806069B2 (en) | 2019-01-25 | 2023-11-07 | Warsaw Orthopedics, IN | Devices and methods for the diagnosis and treatment of discogenic back pain |
| CN112998845A (en) * | 2021-02-08 | 2021-06-22 | 上海睿刀医疗科技有限公司 | Multi-electrode ablation needle and method for determining electrode spacing of multi-electrode ablation needle |
| CN112998845B (en) * | 2021-02-08 | 2021-12-21 | 上海睿刀医疗科技有限公司 | Multi-electrode ablation needle and method for determining electrode spacing of multi-electrode ablation needle |
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| CN105534595B (en) | 2019-02-22 |
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Address after: No. 5, Wuke East 3rd Road, Wuhou District, Chengdu, Sichuan 610000 Patentee after: Sichuan Jinjiang Electronic Medical Device Technology Co.,Ltd. Address before: No. 5, Wuke East 3rd Road, Wuhou District, Chengdu, Sichuan 610000 Patentee before: SICHUAN JINJIANG ELECTRONIC SCIENCE AND TECHNOLOGY Co.,Ltd. |
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