CN203122596U - Needle-shaped bipolar operation electrode device - Google Patents
Needle-shaped bipolar operation electrode device Download PDFInfo
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- CN203122596U CN203122596U CN 201220400136 CN201220400136U CN203122596U CN 203122596 U CN203122596 U CN 203122596U CN 201220400136 CN201220400136 CN 201220400136 CN 201220400136 U CN201220400136 U CN 201220400136U CN 203122596 U CN203122596 U CN 203122596U
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- electrode stem
- stem
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Abstract
The utility model provides a needle-shaped bipolar operation electrode device which can conduct tissue dissection or tissue drying or tissue ablation or low-temperature blood clotting during an operation. The electrode device is composed of an electrode rod, an electrode handle, an electrode cable and a power plug. An excitation contact, a backflow contact and the electrode rod of the electrode device are separated in a segmented mode through insulation separating layers, the backflow contact and the electrode rod are both composed of metal pipes which are located on the same axis side by side, and a bipolar electrode is more suitable for actual requirements of different surgical operations and particularly suitable for requirements of operations having high requirements for the external diameter and electromagnetic interference of the electrode. By means of setting of a power supply, distribution and regulation of the output type and the magnitude of power of the electrode are convenient, an electric field is prevented from passing through the human body, safety of electric operation treatment is improved, and secondary injury during a treatment process is controlled and reduced to the maximum.
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 the working end of bipolar electrode bar, 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.
In the treatment of part clinical operation, require the procedures electrode external diameter thinner, the electrode of multiple layer metal suit, excessive being not suitable for of external diameter used.Intervene operation need be used with electron image equipment, and the RF high-frequency electrode is equivalent to a high-frequency emission antenna when loading, and peripheral electronic equipment is formed high-frequency electromagnetic disturb.For improving surgical effect and safety, reduce the interference no less important of electrode pair image documentation equipment.
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, the working end of electrode stem placed one or more groups electrode contact (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), this electrode assembly can not only be realized multiple treatment function simultaneously, and electromagnetic shielding can also be set easily, simplifies operation technique, brings into play therapeutical effect to greatest extent.
The technical scheme that its technical problem that solves this utility model adopts is:
A kind of needle-like bipolar surgery electrode assembly, this electrode assembly is made up of electrode stem, electrode handle, electrode cable and attaching plug.It is characterized in that a seal wire front end arrange an external diameter greater than the metal contact of seal wire diameter as exciting contact; Arranged side by side two metal tubes of suit on seal wire excite the contact maximum outside diameter greater than the internal diameter of set metal pipe thereafter; Excite between contact and metal tube, between seal wire and metal tube and between two metal tubes dielectric isolation layer is set all; With excite contact adjacent metal pipe as the backflow contact; Separate with backflow contact insulation, at thereafter metal tube as electrode stem; Dielectric isolation layer is made of insulant such as resin, plastic cement, rubber or potteries; Excite contact to pass through seal wire, the backflow contact is electrically connected with live wire and the ground wire of electrode cable respectively in electrode handle by insulated conductor.
Can require to reduce to excite contact front end external diameter according to treatment, make excite contact forwardly external diameter less than its maximum outside diameter; Until the form of tapering off to a point.
Can strengthen and excite the contact external diameter, make to excite the contact maximum outside diameter greater than the external diameter of its back dielectric isolation layer, at this moment fillet or chamfering need be made in the edge of its rear portion and maximum outside diameter, so that electrode assembly prevents from scraping band during withdrawing in using and blocks.
In electrode handle, the screen layer of electrode stem metal tube with the electrode cable of band shielding can be electrically connected.
Can be at little radian bent angle γ of the back, work termination of electrode stem folding.The kind electrode device 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 working end of electrode stem, 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, the stretching 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; And add indexing at the electrode stem outer surface, be convenient to the patient and when operation technique, control the degree of depth that electrode tip thrusts tissue, or the working end of prompting patient electrode stem and the information of working column relative position.
The angle β (angle that the electrode stem front end is axial and the electrode handle axial direction forms) of a big radian of back, work termination folding of electrode stem, it can be working end one side at electrode stem middle part or close electrode stem, make the working end of electrode stem avoid the electrode stem axial location, avoid blocking patient's sight line, be beneficial to along electrode handle radially (thrust) operation and electrode contact along plane operations; And add indexing at the electrode stem outer surface.
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 electrode assembly, avoid blocking patient's sight line.Simultaneously add indexing at the electrode stem outer surface.
Can be electrically connected with the live wire of electrode cable at seal wire rear portion impedance device of series connection that excites contact of electrode assembly, this impedance device can be resistance, electric capacity or inductance.At this moment can roll over a radian in the back, work termination of electrode stem equally, can be the γ angle at front end, the β angle of middle front part, or the α angle of postmedian; Simultaneously add indexing at the electrode stem outer surface.
One deck insulation can also be set outside the electrode stem metal tube again, and the metal part that electrode stem metal tube bare front end goes out insulation excites contact as second, and its rear portion directly or behind the impedance device of connecting is electrically connected with a live wire of electrode cable; This contact and adjacent backflow contact constitute another to bipolar contact in the working end of electrode stem; And the like, can arrange many to bipolar contact in the working end of electrode stem.At this moment can roll over a radian in the back, work termination of electrode stem equally, can be the γ angle at front end, the β angle of middle front part, or the α angle of postmedian; Simultaneously add indexing at the electrode stem outer surface.
The beneficial effects of the utility model are, make electrode assembly be more suitable for different operating actual needs, simultaneously on bipolar electrode, distribute and adjust power mode output and the magnitude of electrode assembly easily, bucking electrode device radiation interference in case of necessity, improve surgical 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 front end.
Fig. 2 is that Fig. 1 electrode assembly changes an embodiment sketch map that excites the anterior external diameter of contact.
Fig. 3 be Fig. 1 electrode assembly excite the contact maximum outside diameter greater than an embodiment sketch map of the external diameter that insulate thereafter.
Fig. 4 is the embodiment sketch map that Fig. 1 electrode assembly arranges screen layer
Fig. 5 be Fig. 1 electrode assembly excite the connected embodiment sketch map of impedance device of contact.
Fig. 6 is that the working end of Fig. 1 electrode stem arranges two groups of contact embodiment sketch maps
Fig. 7 is that the electrode stem front end that of Fig. 1 uses in sleeve pipe is rolled over the embodiment sketch map at γ angle.
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
Fig. 1 is the profile of the working end of electrode stem.Excite contact 4 to be constituted by the metal that exposes insulation among the figure; Dielectric isolation layer 5 will excite contact 4 and metal tube---and backflow contact metal pipe 6 mutually insulateds are isolated, dielectric isolation layer 7 is with backflow contact metal pipe 6 and electrode stem metal tube 9---and the electrode stem mutually insulated is isolated, and dielectric isolation layer 51 is isolated backflow contact metal pipe 6 and electrode stem metal tube 9 with insulated conductor 61 mutually insulateds that excite contact seal wire 41 and backflow contact; Excite the external diameter of contact 4 greater than the internal diameter of dielectric isolation layer 5 and backflow contact metal pipe 6; Each dielectric isolation layer is made by non-metal insulating material, as materials such as resin, plastic cement, rubber or potteries.
Among the embodiment of Fig. 2, electrode assembly excite contact 4 anterior external diameters less than the maximum outside diameter of self.Contact tapers off to a point among the figure.10 is the scale mark of electrode stem.
Among the embodiment of Fig. 3, excite contact 4 maximum outside diameters greater than the external diameter of dielectric isolation layer 5 and backflow contact metal pipe 6, chamfering or fillet are made in the edge of its rear portion and maximum outside diameter.10 is the scale mark of electrode stem.
Among the embodiment of Fig. 4, electrode stem metal tube 9 no powers are electrically connected with the screen layer of the electrode cable of being with shielding.
Among the embodiment of Fig. 5,1 is electrode stem, impedance device of seal wire 41 series connection 11 backs that excite contact 4 to expose in electrode handle 3 are electrically connected with the live wire of electrode cable, and impedor 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. 6, a dielectric isolation layer 12 is set outside electrode stem metal tube 9.Afterbody series impedance element 11 backs at electrode stem metal tube 9 are electrically connected with the live wire of electrode cable 3; The part that the working end electrode stem metal tube 9 of electrode stem exposes dielectric isolation layer 12 excites contact as second of electrode assembly.Backflow contact metal pipe 6 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 the back, work termination of electrode stem 2.When γ greater than 5 °, less than 12 °.Electrode assembly can recover the elasticity of stress by electrode stem, passes and uses in the sleeve pipe of rigidity.
Among the embodiment of Fig. 8, the bent angle α of a little radian of electrode stem 2 postmedians 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 2 middle front parts 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 and electrode handle.
Claims (10)
1. needle-like bipolar surgery electrode assembly, this electrode assembly is made up of electrode stem, electrode handle, electrode cable and attaching plug; It is characterized in that a seal wire front end arrange an external diameter greater than the metal contact of seal wire diameter as exciting contact; Arranged side by side two metal tubes of suit on seal wire excite the contact maximum outside diameter greater than the internal diameter of set metal pipe thereafter; Excite between contact and metal tube, between seal wire and metal tube and between two metal tubes dielectric isolation layer is set all; With excite contact adjacent metal pipe as the backflow contact; Separate with backflow contact insulation, at thereafter metal tube as electrode stem; Dielectric isolation layer is made of resin, plastic cement, rubber or ceramic insulating material; Excite contact to pass through seal wire, the backflow contact is electrically connected with live wire and the ground wire of electrode cable respectively in electrode handle by insulated conductor.
2. according to the described needle-like bipolar surgery of claim 1 electrode assembly, it is characterized in that exciting contact forwardly external diameter less than its maximum outside diameter.
3. according to the described needle-like bipolar surgery of claim 2 electrode assembly, it is characterized in that exciting the contact maximum outside diameter greater than the insulation of its back and the external diameter of backflow contact metal pipe, exciting contact maximum outside diameter to the edge at rear portion is chamfering or fillet.
4. according to the described needle-like bipolar surgery of claim 3 electrode assembly, the electrode stem metal tube is electrically connected with the screen layer of band bucking electrode cable in electrode handle.
5. according to the described needle-like bipolar surgery of claim 3 electrode assembly, it is characterized in that to be the γ angle at front end at radian of back, electrode stem work termination folding; Add indexing at the electrode stem outer surface.
6. according to the described needle-like bipolar surgery of claim 2 electrode assembly, it is characterized in that can being the β angle at middle front part at radian of back, electrode stem work termination folding, or the α angle of postmedian; Add indexing at the electrode stem outer surface.
7. according to the described needle-like bipolar surgery of claim 2 electrode assembly, it is characterized in that excite seal wire rear portion impedance device of series connection of contact to be electrically connected with the live wire of electrode cable, this impedance device can be resistance, electric capacity or inductance.
8. according to the described needle-like bipolar surgery of claim 7 electrode assembly, it is characterized in that can being the β angle at middle front part at radian of the back, working end of electrode stem folding, or the α angle of postmedian; Add indexing at the electrode stem outer surface.
9. according to the described needle-like bipolar surgery of claim 1 electrode assembly, it is characterized in that outside the electrode stem metal tube, arranging one deck insulation, the metal part that its bare front end goes out insulation excites contact as second, and its rear portion directly or behind the impedance device of connecting is electrically connected with a live wire of electrode cable; This contact and adjacent backflow contact constitute another to bipolar contact in the working end of electrode stem; And the like, can arrange many to bipolar contact in the working end of electrode stem.
10. according to the described needle-like bipolar surgery of claim 9 electrode assembly, it is characterized in that can being the γ angle at front end, the β angle of middle front part at radian of the back, working end of electrode stem folding, or the α angle of postmedian; Add indexing at the electrode stem outer surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220400136 CN203122596U (en) | 2012-08-14 | 2012-08-14 | Needle-shaped bipolar operation electrode device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220400136 CN203122596U (en) | 2012-08-14 | 2012-08-14 | Needle-shaped bipolar operation electrode device |
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| Publication Number | Publication Date |
|---|---|
| CN203122596U true CN203122596U (en) | 2013-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220400136 Expired - Lifetime CN203122596U (en) | 2012-08-14 | 2012-08-14 | Needle-shaped bipolar operation electrode device |
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| CN (1) | CN203122596U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102860869A (en) * | 2012-08-14 | 2013-01-09 | 中美联合技术(北京)有限公司 | Needle-like bipolar surgical electrode device and method |
-
2012
- 2012-08-14 CN CN 201220400136 patent/CN203122596U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102860869A (en) * | 2012-08-14 | 2013-01-09 | 中美联合技术(北京)有限公司 | Needle-like bipolar surgical electrode device and method |
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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: Sino-US United Technology (Beijing) Co.,Ltd. Address before: 100193 No. 26 South prosperous road, Beijing, Haidian District Patentee before: Sino-US United Technology (Beijing) Co.,Ltd. Patentee before: You Mingde Patentee before: Liu Zheng |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130814 |