CN220898776U - Conical plasma electrode applied to gynecological operation - Google Patents
Conical plasma electrode applied to gynecological operation Download PDFInfo
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- CN220898776U CN220898776U CN202321831424.3U CN202321831424U CN220898776U CN 220898776 U CN220898776 U CN 220898776U CN 202321831424 U CN202321831424 U CN 202321831424U CN 220898776 U CN220898776 U CN 220898776U
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- 239000007788 liquid Substances 0.000 claims abstract description 36
- 239000007924 injection Substances 0.000 claims description 11
- 238000002347 injection Methods 0.000 claims description 11
- 238000001356 surgical procedure Methods 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 2
- 239000000779 smoke Substances 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 6
- 201000010099 disease Diseases 0.000 abstract description 4
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 abstract description 4
- 238000002679 ablation Methods 0.000 abstract description 2
- 210000002381 plasma Anatomy 0.000 description 24
- 210000001519 tissue Anatomy 0.000 description 19
- 238000000034 method Methods 0.000 description 7
- 239000002504 physiological saline solution Substances 0.000 description 6
- 210000004027 cell Anatomy 0.000 description 5
- 208000027418 Wounds and injury Diseases 0.000 description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 3
- 206010053615 Thermal burn Diseases 0.000 description 3
- 206010052428 Wound Diseases 0.000 description 3
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- 239000002245 particle Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 208000002847 Surgical Wound Diseases 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 230000001590 oxidative effect Effects 0.000 description 1
- 230000001575 pathological effect Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
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- 230000002980 postoperative effect Effects 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Surgical Instruments (AREA)
Abstract
The utility model discloses a conical plasma electrode applied to gynecological operation, belongs to the technical field of medical appliances, and aims to solve the technical problems that smoke existing in an LEEP knife in operation interferes with the operation field of view and the operation wound surface is likely to be carbonized. The electrode comprises an electrode part and a handheld part, wherein the electrode part comprises a rod body, a working end and an electrode wire; the rod body is internally provided with a first liquid flow passage in a hollow way, the outside of the rod body is sequentially provided with a first insulating layer, a loop electrode, a second insulating layer, a working electrode and a third insulating layer from outside to inside, the loop electrode extends to the side close to the working end and covers the working end, and the electrode wire extends in the working end to be connected with the working electrode; the working end comprises an extension part and a supporting part, one end of the extension part is connected with the rod body, and the other end of the extension part extends along the direction of the rod body. The conical plasma electrode is applied to gynecological operation, can be better used for tissue cutting work under various diseases, and has wide application range and good cutting and ablation effects.
Description
Technical Field
The utility model relates to the technical field of medical appliances, in particular to a conical plasma electrode applied to gynecological operation.
Background
LEEP (Loop Electrosurgical Excision Procedure) knife is the most advanced means for treating cervical diseases in China at present. The principle is that ultra-high frequency current is introduced into the electrode, and the current generates a large amount of heat at the moment of contacting human tissues, so that cells are broken and vaporized, thereby separating the tissues and realizing the electrotome function; in addition, the heat energy can raise the temperature of the tissue or the cells, so that the cells are dehydrated and dried and the protein is denatured, and the electric coagulation function is realized. The technique can rapidly and accurately cut off pathological tissues, the incision is automatically coagulated, the bleeding is very little, the operation time is short, the injury is small, and the technique is an excellent choice for treating cervical diseases.
During the operation of the LEEP knife, a great deal of smoke is generated, the operation vision is affected, the health of operators is also endangered, and although the operation system is provided with a device for absorbing the smoke, the harmful smoke cannot be completely absorbed; in addition, since the cutting is achieved by using heat energy, thermal burn is inevitably generated to human tissues, and if the surgical experience of the operator is insufficient, carbonization of the surgical wound surface is highly likely to be caused, and the later recovery of the patient is affected.
The low-temperature plasma operation system is widely applied to the treatment of diseases such as otorhinolaryngology, spinal surgery, gynecology, anorectal surgery and the like in recent years abroad, the operation temperature can be accurately controlled within the range of 40-70 ℃, and the low-temperature plasma operation system has the characteristics of high safety, short operation time, small wound, short postoperative recovery time and the like. The basic principle of a plasma surgical system is that plasma energy flows between the working electrode and the return electrode, forming a highly concentrated plasma vapor sheath around the electrodes by saline conduction. The plasma sheath layer is composed of a large number of charged particles, the charged particles generate enough energy and have strong oxidizing property after being accelerated by an electric field, molecular bonds forming target tissue cells are broken at a low temperature (40-70 ℃), so that tissues are rapidly decomposed into molecules and atoms with low molecular weight, and a real-time and efficient tissue cutting and ablating effect is formed at a lower temperature.
Disclosure of utility model
The utility model aims to provide a conical plasma electrode applied to gynecological operation, which aims to solve the technical problems that smoke existing in the LEEP knife in operation interferes with the operation field and the operation wound surface is possibly carbonized.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
The utility model provides a conical plasma electrode applied to gynecological operation, which comprises an electrode part and a handheld part, wherein the electrode part comprises a rod body, a working end connected with the rod body and an electrode wire connected with the working end;
The rod body is internally provided with a first liquid flow passage in a hollow way, the outside of the rod body is sequentially provided with a first insulating layer, a loop electrode, a second insulating layer, a working electrode and a third insulating layer from outside to inside, the loop electrode extends to the side close to the working end and covers the working end, and the electrode wire extends to be connected with the working electrode in the working end;
The working end comprises an extension part and a supporting part, one end of the extension part is connected with the rod body, and the other end of the extension part extends along the axial direction of the rod body; the support part is arranged on one side of the extension part, which is close to the rod body, and forms a target included angle with the extension part.
The technical effect of adopting the technical scheme is as follows: the aim of cutting human tissues by utilizing plasmas is fulfilled by reasonably arranging the first insulating layer, the working electrode, the second insulating layer, the loop electrode, the third insulating layer, the working end and the electrode wire outside the rod body; the electrode wire is supported by the extension part and the supporting part to form a conical working part so as to adapt to actual working requirements.
Optionally or preferably, a second liquid flow channel is formed in the extension part, the second liquid flow channel is communicated with the first liquid flow channel, a plurality of flow holes are formed in one side, close to the supporting part, of the extension part, and the plurality of flow holes are respectively communicated with the second liquid flow channel.
The technical effect of adopting the technical scheme is as follows: the physiological saline is injected into the liquid flow channel, so that the physiological saline flows out through the plurality of flow holes, and a highly-aggregated plasma steam sheath layer is formed around the electrode wire through the physiological saline after the energization, so that a real-time and efficient tissue cutting and ablation effect is formed at a lower temperature.
Alternatively or preferably, the target angle is 90 °.
Alternatively or preferably, the handpiece includes a liquid injection passage in communication with the liquid flow channel I.
Alternatively or preferably, a threaded connection is formed in the handpiece, through which the fluid injection passage is connected to the luer fitting.
Optionally or preferably, a receiving cavity is also formed in the hand-held portion for receiving an electrode cable.
Based on the technical scheme, the utility model at least has the following technical effects:
The conical plasma electrode applied to gynecological operation provided by the utility model realizes human tissue cutting by using plasma through reasonable design of the electrode. The temperature of the plasma generated in the operation process can be controlled within 40-70 ℃, so that smoke is not generated; and because the energy level of the action mode is low, the damage range to human tissues is small, the deep tissue thermal burn can not be generated, and the method is relatively friendly to operators with insufficient experience.
Drawings
Fig. 1 is a schematic view showing the overall structure of a conical plasma electrode applied to gynecological operation;
Fig. 2 is a front cross-sectional view of the conical plasma electrode of the present utility model applied to gynecological operation;
FIG. 3 is an enlarged partial view of area A of FIG. 2;
fig. 4 is a rear view of the conical plasma electrode of the present utility model applied to gynecological operation.
In the figure: 1. an electrode section; 11. an electrode wire; 12. a working electrode; 131. an insulating layer I; 132. an insulating layer II; 133. an insulating layer III; 14. a first liquid flow passage; 15. a rod body; 16. a support part; 17. a working end; 18. an extension; 181. a second liquid flow passage; 182. a flow hole; 19. a return electrode; 2. a hand-held part; 21. a liquid injection channel; 22. a threaded connection; 23. a receiving chamber.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all of them, and all other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present utility model without making any inventive effort are within the scope of the present utility model.
[ Example ]
Referring to fig. 1 and 4, a conical plasma electrode for gynecological operation comprises a connecting electrode part 1 and a holding part 2, wherein the electrode part 1 comprises a rod body 15 arranged in a hollow manner, one end of the rod body 15 is connected with a working end 17, and the working end 17 is connected with an electrode wire 11.
Referring to fig. 2 to 3, a hollow structure formed in the rod 15 is used as a first liquid flow channel 14, and an insulating layer 131, a return electrode 19, a second insulating layer 132, a working electrode 12 and a third insulating layer 133 are sequentially disposed outside the rod 15 from outside to inside, wherein the return electrode 19 extends toward a side close to the working end 17 and covers the working end 17, and the electrode wire 11 penetrates through the working end 17 and is connected with the working electrode 12.
In this embodiment, the return electrode 19 covers all areas of the extension 18 described below except the areas defined by the plurality of through holes 182, and covers a substantial portion of the support 16 described below facing away from the wire electrode 11 to provide as much current return surface area as possible. It will be appreciated by those skilled in the art that the footprint of the return electrode 19 relative to the working end 17 may be adapted to the actual working requirements.
In this embodiment, the rod body 15 and the working end 17 may be made of general medical plastics, the first insulating layer 131, the second insulating layer 132, and the third insulating layer 133 may be made of insulating heat shrink tubes, and the working electrode 12 and the return electrode 19 may be made of stainless steel materials; the electrode wire 11 may be made of a rare metal alloy material.
Referring to fig. 3, in the present embodiment, the working end 17 includes an extending portion 18 and a supporting portion 16, wherein the extending portion 18 and the rod 15 are disposed on the same straight line, one end of the extending portion 18 is connected to the rod 15, and the other end extends axially along the rod 15, and the extending direction is a direction of the rod 15 away from the handheld portion 2; the supporting portion 16 is disposed on one side of the extending portion 18 near the rod body 15, and a target included angle is formed between the extending portion 18 and the supporting portion, wherein the target included angle may be 90 °, one end of the electrode wire 11 passes through the supporting portion 16 to be connected with the working electrode 12, and the other end passes through the extending portion 18 to be connected with the working electrode 12, and a right triangle structure is formed among the electrode wire 11, the supporting portion 16 and the extending portion 18, wherein the electrode wire 11 is a hypotenuse.
The extension part 18 is internally provided with a second liquid flow passage 181, the second liquid flow passage 181 is communicated with the first liquid flow passage 14 in the rod body 15, one side of the extension part 18 close to the supporting part 16 is provided with a plurality of flow holes 182, the plurality of flow holes 182 are respectively communicated with the second liquid flow passage 181, and physiological saline can respectively pass through the first liquid flow passage 14 and the second liquid flow passage 181, finally flows out from the plurality of flow holes 182, and a physiological saline conductive environment is formed around the electrode wire 11.
In actual operation, normal saline is introduced into the first liquid flow channel 14, and under the condition that the electrode part 1 is electrified, a plasma sheath layer of about 100um is formed at the interface between the electrode wire 11 and the normal saline, and the plasma sheath layer accelerates ions to bombard the solution surface of the interface, so as to excite active radicals such as H+, OH-, na+. The acceleration of the electric field on the active radicals bombards the surface of the human tissue contacted by the electrode wire to break the molecular chain, so that the tissue cells of the operation wound are decomposed in units of molecules, and the aim of cutting the human tissue is fulfilled.
Referring to fig. 1 and 4, in the present embodiment, the hand-held portion 2 includes a liquid injection passage 21 and a screw connection portion 22; the liquid injection channel 21 is communicated with the liquid flow channel 13, the other end of the liquid injection channel 21 is connected with a luer connector, the luer connector is connected with the liquid injection channel 21 through the threaded connection part 22, and personnel can inject physiological saline into the liquid flow channel one 14 through the liquid injection channel 21 through the luer connector and flow out from a plurality of flow holes 17 on the working end 18.
In addition, hold the intracavity and still be provided with the chamber 23, hold the chamber 23 and be used for accomodating the electrode cable, save space.
The conical plasma electrode applied to gynecological operation provided by the utility model realizes the aim of cutting human tissues by utilizing plasma through reasonable design of the electrode; the temperature of the plasma generated in the operation process can be controlled within 40-70 ℃, so that smoke is not generated; and because the energy level of the action mode is low, the damage range to human tissues is small, the deep tissue thermal burn can not be generated, and the method is relatively friendly to operators with insufficient experience.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A conical plasma electrode applied to gynecological operation, which is characterized by comprising an electrode part (1) and a handheld part (2), wherein the electrode part (1) comprises a rod body (15), a working end (17) connected with the rod body (15) and an electrode wire (11) connected with the working end (17);
The liquid flow channel I (14) is arranged in the rod body (15) in a hollow mode, an insulating layer I (131), a loop electrode (19), an insulating layer II (132), a working electrode (12) and an insulating layer III (133) are sequentially arranged outside the rod body (15), the loop electrode (19) extends to the side close to the working end (17) and covers the working end (17), and the electrode wire (11) extends to be connected with the working electrode (12) in the working end (17);
The working end (17) comprises an extension part (18) and a supporting part (16), one end of the extension part (18) is connected with the rod body (15), and the other end of the extension part extends along the axial direction of the rod body (15); the supporting part (16) is arranged on one side of the extending part (18) close to the rod body (15) and forms a target included angle with the extending part (18).
2. The conical plasma electrode for gynecological operation according to claim 1, wherein a second liquid flow channel (181) is formed in the extension portion (18), the second liquid flow channel (181) is communicated with the first liquid flow channel (14), a plurality of through holes (182) are formed on one side of the extension portion (18) close to the support portion (16), and the plurality of through holes (182) are respectively communicated with the second liquid flow channel (181).
3. The tapered plasma electrode for gynecological surgery according to claim 1, wherein the target angle is 90 °.
4. Conical plasma electrode for gynecological operations according to claim 1, characterized in that said handpiece (2) comprises a liquid injection channel (21), said liquid injection channel (21) being in communication with said liquid flow channel one (14).
5. Conical plasma electrode for gynecological operations according to claim 4, characterized in that said handpiece (2) has a threaded connection (22) formed therein, said liquid injection channel (21) being connected to a luer fitting by means of said threaded connection (22).
6. Conical plasma electrode for gynecological surgery according to claim 5, characterized in that the holding part (2) is further formed with a receiving cavity (23), which receiving cavity (23) is intended to receive an electrode cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321831424.3U CN220898776U (en) | 2023-07-12 | 2023-07-12 | Conical plasma electrode applied to gynecological operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321831424.3U CN220898776U (en) | 2023-07-12 | 2023-07-12 | Conical plasma electrode applied to gynecological operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220898776U true CN220898776U (en) | 2024-05-07 |
Family
ID=90918203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321831424.3U Active CN220898776U (en) | 2023-07-12 | 2023-07-12 | Conical plasma electrode applied to gynecological operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220898776U (en) |
-
2023
- 2023-07-12 CN CN202321831424.3U patent/CN220898776U/en active Active
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