CN203183032U - Bipolar operation electrode apparatus - Google Patents
Bipolar operation electrode apparatus Download PDFInfo
- Publication number
- CN203183032U CN203183032U CN 201220400120 CN201220400120U CN203183032U CN 203183032 U CN203183032 U CN 203183032U CN 201220400120 CN201220400120 CN 201220400120 CN 201220400120 U CN201220400120 U CN 201220400120U CN 203183032 U CN203183032 U CN 203183032U
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- electrode
- contact
- isolation layer
- dielectric isolation
- metal
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Abstract
The utility model provides a bipolar operation electrode apparatus, which can conduct histological anatomy, or histological drying, or histological ablation, or low-temperature blood clotting. The bipolar operation electrode apparatus is composed of an electrode rod, an electrode handle, an electrode cable, and a power plug. The electrode rod is composed of a metal guide wire, a first insulation separating layer disposed on the guide wire, a metal layer disposed on the first insulation separating layer, and a second insulation separating layer disposed outside of the metal layer. The guide wire exposes the metal of the first insulation separating layer exposes at an electrode rod work terminal disposed at the front end of the electrode rod, forming a stimulation contact. The metal layer exposes the metal of the second insulation separating layer at the electrode rod work terminal, forming a backflow contact. Through providing different shapes and sizes of the electrode contact and shapes of the electrode rod, and adjusting a work mode for adjusting and setting the stimulation contact, the bipolar electrode is more suitable for the practical demand of different surgery operations. Distribution and adjustment of power output mode and magnitude of the electrode can be conveniently conducted on the bipolar electrode. The electric field is restricted from passing through a human body. Accordingly, the safety of electrical operation treatment can be increased, Minor damage in the treatment process can be controlled and reduced to the maximum limit.
Description
Affiliated technical field
This utility model relates to a kind of medical operation electrode assembly, especially can carry out anatomic tissue in operation, or tissue is dry, or ablation of tissue, or the bipolar surgery electrode of low temperature blood coagulation.
Background technology
At present, known procedures electrode device, a class is that exciting electrode contact and return electrode contact separate, and the contact that excites of needle-like is treated focus, and the backflow contact of lamellar (electrode slice) is attached on one's body the patient, is referred to as monopolar electrode on the medical speciality.Another kind of is to provide simultaneously in work end to excite contact and current reflux contact, is referred to as bipolar electrode on the medical speciality.Therefore electric field has more advantage in safety in utilization not by human body during bipolar electrode work.
In the surgical medical field, be used for tweezer shape bipolar electrode---the bipolar tweezer of blood coagulation, the use history of last 100 years has been arranged.Another kind of will excite contact and backflow contact to be positioned on the working end of same knife bar, and anatomic tissue, drying can be provided simultaneously, melt the bipolar electrode with blood coagulation, and owing to its distinctive safety and effectiveness, begin more to be paid attention to.But actual medical is used comparatively complicated and various, in different medical operating fields, the version requirement of procedures electrode is not quite similar, and the electrode form that more corresponds to actual needs need be arranged.
The size of each contact of bipolar electrode bar working end, shape and placement form directly influence form and distribution that bipolar electrode forms electric field, and the effect that contact form difference produces is also different fully.
The procedures electrode that uses in interventional therapy, shape are comparatively elongated, and need be used with electron image equipment.The RF high-frequency electrode is equivalent to a high-frequency emission antenna when loading, peripheral electronic equipment is formed high-frequency electromagnetic disturb.For improving surgical effect and safety, the interference that reduces the electrode pair image documentation equipment is extremely important.
Summary of the invention
In order to adapt to medical operating to the actual requirement of ambipolar procedures electrode, overcome electrode actual functional capability defective, be convenient to processing simultaneously, this utility model provides a kind of medical bipolar electrode device, one or more groups electrode contact has been placed in the electrode stem working end, different excite the voltage that applies on the contact not simultaneously, will be by mutually insulated; Each excites and has constituted one group of contact between contact and the backflow contact, and this electrode can not only be realized multiple treatment function simultaneously, can also electromagnetic shielding be set easily, makes things convenient for operation technique, brings into play therapeutical effect to greatest extent.
The technical scheme that its technical problem that solves this utility model adopts is:
The bipolar surgery electrode assembly is by electrode stem, electrode handle, electrode cable and attaching plug are formed, electrode stem is by wire guide, first dielectric isolation layer on the wire guide, outer second dielectric isolation layer that arranges of metal level on first dielectric isolation layer and metal level constitutes, wire guide exposes first dielectric isolation layer in the electrode stem working end of electrode stem front end metal formation excites contact, metal level exposes second dielectric isolation layer in the electrode stem working end metal forms the backflow contact, and the wire guide in electrode handle and metal level end conductor are electrically connected with live wire and the ground wire of electrode cable respectively; The insulant of dielectric isolation layer is made of plastic cement, rubber, resin, silica gel or pottery, and metal level is made of lamellar, recessed lamellar or tubular metal conductor, adds indexing at the outermost layer of electrode stem.
The above-mentioned contact that excites exposes the first dielectric isolation layer part, and maximum outside diameter can be greater than the external diameter of wire guide thereafter, and the maximum outside diameter smaller or equal to first dielectric isolation layer between itself and the backflow contact excites contact front end band point.
Above-mentioned second dielectric isolation layer that excites between contact and backflow contact, its front end expose the external diameter of backflow contact part, can be greater than the internal diameter of backflow contact, smaller or equal to the maximum outside diameter of backflow contact.
In the above-mentioned electrode handle, impedance device of the terminal series connection of the wire guide that excites contact of bipolar surgery electrode assembly is electrically connected with the live wire of electrode cable, and impedance device can be resistance, electric capacity or inductance.
Can outside second dielectric isolation layer cold thin metallic tubd of one deck be set, its screen layer with band bucking electrode cable is electrically connected.
The layer of metal layer can be set outside second dielectric isolation layer, and in its outer setting the 3rd dielectric isolation layer insulation, this metal level bare front end goes out the 3rd dielectric isolation layer metal part and excites contact as second, and its end directly or behind the impedance device of connecting is electrically connected with a live wire of electrode cable; This second excites contact and backflow contact to constitute another in the electrode stem working end to organize bipolar contact, and the like, the bipolar contacts of many groups can be set in the electrode stem working end.
Can be at the electrode stem middle part or near electrode handle one side, the angle α of a little radian of folding (angle that the electrode stem front end is axial and the electrode handle axial direction forms) makes electrode handle avoid the electrode stem axial location.Be beneficial to the patient along electrode stem vertical (thrusting) operation bipolar surgery electrode assembly, avoid blocking patient's sight line.
Can be at the electrode stem middle part or near working end one side, the angle β of a big radian of folding (angle that the electrode stem front end is axial and the electrode handle axial direction forms), make the electrode stem working end avoid the electrode stem axial location, avoid blocking patient's sight line, be beneficial to along electrode handle and radially (thrust) contact of operation and bipolar surgery electrode assembly along plane operations.
Can be at little radian bent angle γ of front end folding of electrode stem.This bipolar surgery electrode assembly is pulled electrode stem directly earlier by rigid casing (as puncture tube or endoscopic working channel etc.) time, and after sleeve pipe was passed through in the electrode stem working end, electrode stem can be by recovering the original angle of stress elastic return.After passing through rigid casing, can be by the elasticity of sleeve pipe and electrode stem, stretching bipolar surgery electrode assembly is adjusted the angle of electrode stem front end, also can pass through rotation electrode handle vertically, make electrode tip can handle more large-area tissue, and after operation is finished, from sleeve pipe, withdraw from electrode tip easily and be not stuck.
The beneficial effects of the utility model are, make the bipolar surgery electrode assembly be more suitable for different operating actual needs, simultaneously on the bipolar surgery electrode assembly, distribute and adjust power mode output and the magnitude of bipolar surgery electrode assembly easily, shield bipolar surgery electrode assembly radiation interference in case of necessity, improve effect and safety, control and reduce the pair damage of therapeutic process to greatest extent.
Description of drawings
Below in conjunction with drawings and Examples this utility model is further specified.
Fig. 1 is the generalized section of this utility model electrode stem working end.
Fig. 2 be Fig. 1 a working end excite contact embodiment sketch map.
Fig. 3 be Fig. 1 another working end excite contact embodiment sketch map.
Fig. 4 is that Fig. 1 excites the connected embodiment sketch map of impedance device of contact.
Fig. 5 is the embodiment sketch map that Fig. 1 bipolar surgery electrode assembly adds provided with shielding layer.
Fig. 6 is that Fig. 1 electrode stem working end arranges two groups of contact embodiment sketch maps.
Fig. 7 is the embodiment sketch map at the electrode stem folding γ angle of Fig. 1.
Fig. 8 is the embodiment sketch map at the electrode stem folding α angle of Fig. 1.
Fig. 9 is the embodiment sketch map at the electrode stem folding β angle of Fig. 1.
The specific embodiment
The profile of Fig. 1 electrode stem working end.Excite contact 4 to be constituted by the wire guide 41 that exposes insulation among the figure; It is outer to arrange one deck first dielectric isolation layer 5, the first dielectric isolation layers 5 and is made by non-metal insulating material, and as by materials such as plastic cement, rubber, resin, silica gel or potteries, its length is less than as the length that excites the wire guide 41 of contact; Outside first dielectric isolation layer 5 layer of metal layer 61 is set, its length is less than the length of first dielectric isolation layer 5; Metal level 61 can hollow, and the tubular form of outer wall closure also can be the thin layer form of other non-closures, is to map conveniently, adopt the tubular film signal among the figure; Outside the metal level 61 one deck second dielectric isolation layer 7 is set, its length is less than the length of metal level 61; Metal level 61 exposes the part of second dielectric isolation layer 7, constitutes the backflow contact 6 of bipolar surgery electrode assembly.
Among the embodiment of Fig. 2, excite contact 4 to expose the part of first dielectric isolation layer 5, external diameter is greater than the internal diameter of first dielectric isolation layer 5, smaller or equal to the external diameter of first dielectric isolation layer 5, and contact front end band point; Labelling 6,7 identical with last figure, 10 add the target scale for the electrode stem outermost layer.
Among the embodiment of Fig. 3, excite first dielectric isolation layer 5 of 6 of contact 4 and backflow contacts, its external diameter smaller or equal to the external diameter of backflow contact 6, excites contact 4 can be with point greater than the internal diameter of backflow contact 6; Labelling 6,7,10 identical with last figure.
Among the embodiment of Fig. 4, impedance device of conductor series connection 11 backs that excite contact 4 to expose in electrode handle 2 are electrically connected with the live wire of electrode cable 3, and impedance device 11 can be resistance, electric capacity or inductance, and its impedance determines to excite the mode of operation of contact.
Among the embodiment of Fig. 5, at second dielectric isolation layer, 7 outer surfaces, layer of metal pipe 9 is set, metal tube 9 no powers are as the screen layer of electrode stem; Metal tube 9 is electrically connected with the screen layer of band bucking electrode cable 3.
Among the embodiment of Fig. 6, the 3rd dielectric isolation layer 12 is set outside metal tube 9.Behind the afterbody series impedance device of metal tube 9, be electrically connected with the live wire of electrode cable; Metal tube 9 exposes the 3rd dielectric isolation layer 12 in the working end part excites contact as second of bipolar surgery electrode assembly.The metal part that internal layer backflow contact 6 front ends expose is made the backflow contact of second group of contact simultaneously;
Among the embodiment of Fig. 7, at the γ radian of position folding near electrode stem 1 work back, termination.When γ greater than 5 °, less than 12 °.The bipolar surgery electrode assembly can recover the elasticity of stress by electrode stem, passes and uses in the sleeve pipe of rigidity.2 is electrode handle.
Among the embodiment of Fig. 8, the bent angle α of a little radian of electrode stem 1 postmedian folding, the α angle is 15 °-45 °.Make the patient in the tunnel-shaped cavity during along the electrode stem axial operation, sight line is not subjected to the influence of electrode handle.
Among the embodiment of Fig. 9, the angle β of a big radian of electrode stem 1 middle front part folding, the β angle is 30 °-90 °.The patient is convenient to along the electrode stem application of force radially, simultaneously in open surgery during along the treatment plane operations sight line be not subjected to the influence of electrode stem 1 and electrode handle 2.
Claims (10)
1. bipolar surgery electrode assembly, by electrode stem, electrode handle, electrode cable and attaching plug are formed, it is characterized in that electrode stem is by wire guide, first dielectric isolation layer on the wire guide, outer second dielectric isolation layer that arranges of metal level on first dielectric isolation layer and metal level constitutes, wire guide exposes first dielectric isolation layer in the electrode stem working end of electrode stem front end metal formation excites contact, metal level exposes second dielectric isolation layer in the electrode stem working end metal forms the backflow contact, and the wire guide in electrode handle and metal level end conductor are electrically connected with live wire and the ground wire of electrode cable respectively; The insulant of dielectric isolation layer is made of plastic cement, rubber, resin, silica gel or pottery, and metal level is made of lamellar, recessed lamellar or tubular metal conductor, adds indexing at the outermost layer of electrode stem.
2. according to the described bipolar surgery electrode assembly of claim 1, it is characterized in that the radian of electrode stem folding in back, electrode stem working end, can be the γ angle at front end, or the β angle of middle front part, or the α angle of postmedian.
3. according to the described bipolar surgery electrode assembly of claim 1, it is characterized in that exciting contact to expose the first dielectric isolation layer part, maximum outside diameter is greater than the external diameter of wire guide thereafter, and the maximum outside diameter smaller or equal to first dielectric isolation layer between itself and the backflow contact excites contact front end band point.
4. according to the described bipolar surgery electrode assembly of claim 3, it is characterized in that exciting second dielectric isolation layer between contact and backflow contact, its front end exposes the external diameter of backflow contact part, greater than the internal diameter of backflow contact, smaller or equal to the maximum outside diameter of backflow contact.
5. according to the described bipolar surgery electrode assembly of claim 4, it is characterized in that the radian of electrode stem folding in back, electrode stem working end, can be the β angle of middle front part, or the α angle of postmedian.
6. according to the described bipolar surgery electrode assembly of claim 4, it is characterized in that impedance device of the terminal series connection of the wire guide that excites contact of bipolar surgery electrode assembly is electrically connected with the live wire of electrode cable, impedance device can be resistance, electric capacity or inductance.
7. according to the described bipolar surgery electrode assembly of claim 3, it is characterized in that, outside second dielectric isolation layer, the cold thin metallic tubd of one deck is set, its screen layer with band bucking electrode cable is electrically connected.
8. according to the described bipolar surgery electrode assembly of claim 7, it is characterized in that the radian of electrode stem folding behind the electrode stem working end, can be the γ angle at front end.
9. according to the described bipolar surgery electrode assembly of claim 1, it is characterized in that outside second dielectric isolation layer, arranging the layer of metal layer, and in its outer setting the 3rd dielectric isolation layer insulation, this metal level bare front end goes out the 3rd dielectric isolation layer metal part and excites contact as second, and its end directly or behind the impedance device of connecting is electrically connected with a live wire of electrode cable; This second excites contact and backflow contact to constitute another in the electrode stem working end to organize bipolar contact, and the like, the bipolar contacts of many groups can be set in the electrode stem working end.
10. according to the described bipolar surgery electrode assembly of claim 9, it is characterized in that the radian of electrode stem folding in back, electrode stem working end, can be the γ angle at front end, or the β angle of middle front part, or the α angle of postmedian.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220400120 CN203183032U (en) | 2012-08-14 | 2012-08-14 | Bipolar operation electrode apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220400120 CN203183032U (en) | 2012-08-14 | 2012-08-14 | Bipolar operation electrode apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN203183032U true CN203183032U (en) | 2013-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220400120 Withdrawn - After Issue CN203183032U (en) | 2012-08-14 | 2012-08-14 | Bipolar operation electrode apparatus |
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| CN (1) | CN203183032U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102860870A (en) * | 2012-08-14 | 2013-01-09 | 中美联合技术(北京)有限公司 | Bipolar operation electrode device and manufacturing method thereof |
| CN113796954A (en) * | 2021-10-11 | 2021-12-17 | 杭州市第一人民医院 | Ablation needle capable of changing heating angle |
| CN114376722A (en) * | 2022-03-24 | 2022-04-22 | 北京格瑞朗博科技发展有限公司 | Radio frequency and low temperature plasma operation electrode |
| WO2023029361A1 (en) * | 2021-08-31 | 2023-03-09 | 江苏邦士医疗科技有限公司 | Needle-shaped plasma radio frequency electrode |
| CN117137616A (en) * | 2023-10-25 | 2023-12-01 | 上海声拓医疗科技有限公司 | Surgical electrode and surgical system |
-
2012
- 2012-08-14 CN CN 201220400120 patent/CN203183032U/en not_active Withdrawn - After Issue
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102860870A (en) * | 2012-08-14 | 2013-01-09 | 中美联合技术(北京)有限公司 | Bipolar operation electrode device and manufacturing method thereof |
| CN102860870B (en) * | 2012-08-14 | 2016-09-07 | 中美联合技术(北京)有限公司 | A kind of bipolar operation electrode device |
| WO2023029361A1 (en) * | 2021-08-31 | 2023-03-09 | 江苏邦士医疗科技有限公司 | Needle-shaped plasma radio frequency electrode |
| CN113796954A (en) * | 2021-10-11 | 2021-12-17 | 杭州市第一人民医院 | Ablation needle capable of changing heating angle |
| CN113796954B (en) * | 2021-10-11 | 2023-03-28 | 杭州市第一人民医院 | Ablation needle capable of changing heating angle |
| CN114376722A (en) * | 2022-03-24 | 2022-04-22 | 北京格瑞朗博科技发展有限公司 | Radio frequency and low temperature plasma operation electrode |
| CN117137616A (en) * | 2023-10-25 | 2023-12-01 | 上海声拓医疗科技有限公司 | Surgical electrode and surgical system |
| CN117137616B (en) * | 2023-10-25 | 2024-01-16 | 上海声拓医疗科技有限公司 | Surgical electrode and surgical system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Free format text: FORMER OWNER: YOU MINGDE LIU ZHENG Effective date: 20140121 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140121 Address after: 100193 No. 26 South prosperous road, Beijing, Haidian District Patentee after: Chinamerica United Technology (Beijing) Co., Ltd. Address before: 100193 No. 26 South prosperous road, Beijing, Haidian District Patentee before: Chinamerica United Technology (Beijing) Co., Ltd. Patentee before: You Mingde Patentee before: Liu Zheng |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20130911 Effective date of abandoning: 20160907 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |