CN213075892U - Tool bit of plasma scalpel - Google Patents
Tool bit of plasma scalpel Download PDFInfo
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- CN213075892U CN213075892U CN202021119111.1U CN202021119111U CN213075892U CN 213075892 U CN213075892 U CN 213075892U CN 202021119111 U CN202021119111 U CN 202021119111U CN 213075892 U CN213075892 U CN 213075892U
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- 230000005284 excitation Effects 0.000 claims description 20
- 238000005452 bending Methods 0.000 claims description 11
- 230000001537 neural effect Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 16
- 239000002504 physiological saline solution Substances 0.000 description 6
- 239000002184 metal Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000007383 nerve stimulation Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000002679 ablation Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000002439 hemostatic effect Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000005465 channeling Effects 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000023597 hemostasis Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 210000005036 nerve Anatomy 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Surgical Instruments (AREA)
Abstract
The utility model belongs to the technical field of medical instruments and discloses a cutter head of a plasma scalpel, which comprises a loop electrode cutter rod and an insulating electrode holder; the near end of the loop pole cutter bar is coated with an insulating layer, and the exposed part of the far end of the loop pole cutter bar is a loop pole; the loop electrode is provided with a working electrode separated from the loop electrode through an insulating electrode seat; the far end of the loop pole is provided with an insulating sleeve which surrounds the insulating electrode seat and partially surrounds the working pole; and a gap is arranged between the insulating sleeve and the insulating layer. The utility model discloses can avoid the neural amazing that leads to because of plasma scurrying in disorder, can also prevent the tool bit leakage current to make the operation safe more effective.
Description
Technical Field
The utility model belongs to the technical field of medical instrument, especially, relate to a tool bit of plasma scalpel.
Background
The plasma scalpel is a medical appliance matched with a radio frequency plasma operation host machine and used for ablation, coagulation and hemostasis in surgical operations.
In use, a plasma is formed around the tip of the cutting head and sufficient kinetic energy is available to break molecular bonds, disintegrate the target tissue in molecular units, and produce cutting and ablation effects at low temperatures. However, in the actual use process, because the exposed part of the distal end of the cutter head is more, nerve stimulation and leakage current of a patient can be caused, so that certain potential safety hazards exist in the operation process.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model discloses a tool bit of plasma scalpel can avoid because of the neural amazing that plasma scurries in disorder and leads to, can also prevent the tool bit leakage current to make the operation safe more effective. The utility model discloses a concrete technical scheme as follows:
a cutter head of a plasma scalpel comprises a loop electrode cutter rod and an insulating electrode seat; the near end of the loop pole cutter bar is coated with an insulating layer, and the exposed part of the far end of the loop pole cutter bar is a loop pole; the loop electrode is provided with a working electrode separated from the loop electrode through an insulating electrode seat; the far end of the loop pole is provided with an insulating sleeve which surrounds the insulating electrode seat and partially surrounds the working pole; and a gap is arranged between the insulating sleeve and the insulating layer.
The interval is the exposed loop pole at the far end of the loop pole cutter bar, when the utility model is used, the working pole needs to be electrified, when the operation is carried out, the normal saline is used as an intermediate medium to lead the working pole and the loop pole to be conducted, and the cutter head can generate a plasma thin layer at the moment, thereby carrying out the operation; the utility model discloses in, insulating cover can protect the tool bit to in the use, prevent that plasma from scurrying in disorder, concentrate on certain within range with plasma, make the tool bit guarantee more accurate cutting and hemostatic surface at controllable within range, make the operation safe more effective from this, thereby avoid amazing nerve and leakage current.
The utility model discloses in, insulating cover surrounds the insulating electrode holder to make the working electrode stretch out insulating cover, thereby satisfy the coverage of plasma film and restrict in the tip periphery of insulating cover.
Preferably, in order to ensure the normal operation of the working electrode, make the plasma have an effective working range, and simultaneously avoid nerve stimulation caused by plasma fleeing, the length L1 of the partially surrounded working electrode is L × S;
wherein, L is the total length of the working electrode exposed out of the insulated electrode seat, and S is more than or equal to 10% and less than or equal to 60%.
Preferably, in order to make the intermediate medium better conduct the working electrode and the return electrode, a gap is provided between the part of the insulating sleeve surrounding the working electrode and the working electrode.
Preferably, in order to monitor the temperature of the physiological saline during the operation of the plasma scalpel in real time, the loop pole knife bar is provided with a mounting hole, and a temperature sensor is mounted in the mounting hole.
Preferably, the working electrode is a sheet electrode or a needle electrode or a column electrode in order to adapt to different surgical scenes.
Preferably, in order to adapt to different surgical scenes, the far end of the loop pole is provided with a bent part, and the angle alpha of the bent part is 130-160 degrees.
Preferably, in order to avoid the working electrode falling off in the using process, the working electrode is a sheet electrode, a plurality of hollow holes are formed in the surface of the working electrode, and the working electrode is arranged on the insulated electrode seat through metal wires penetrating through the hollow holes.
Preferably, in order to reasonably realize the surrounding of the working electrode, one end of the insulating sleeve surrounding the working electrode is of a circular structure, an oval structure or an open structure.
Preferably, in order to avoid the working electrode from falling into the human body due to the fact that the working electrode is fused in the operation process, the working electrode is a sheet electrode, and the sheet electrode is provided with a bending part; the sheet electrode is arranged as an excitation sheet in a hole opening mode; the excitation sheet comprises an outer excitation sheet, the outer excitation sheet is arranged to be a structure with the width gradually narrowed from the bottom of the end face part to the side part, and the width of the bending part is larger than the width of the bottom of the excitation sheet.
Preferably, in order to make the plasma scalpel more convenient for surgical cutting, the excitation sheet further comprises an inner excitation sheet, and the inner excitation sheet is arranged in a structure with a gradually narrowing width from the bottom to the top of the end surface part.
Compared with the prior art, the utility model effectively protects the tool bit through the arrangement of the insulating sleeve and ensures the normal work of the working electrode; in addition, the insulating sleeve can well avoid nerve stimulation caused by the disorderly channeling of plasma, can prevent the leakage current of the cutter head, enables the plasma to be concentrated in a certain range, and enables the cutting and hemostatic surfaces of the plasma scalpel to be more accurate. The utility model provides a tool bit with various structures for selection, so that the plasma scalpel can be applied to different operation scenes; different connection modes and connection angles between the working electrode and the insulating electrode holder also provide convenience for an operator to find a cutting position accurately.
Drawings
Fig. 1 is a schematic view of a plasma scalpel according to an embodiment of the present invention;
FIG. 2 is a schematic view of a cutter head according to an embodiment of the present invention;
fig. 3 is a schematic diagram of the embodiment of the present invention in which a temperature sensor is disposed;
fig. 4 is a schematic view of an insulating sleeve according to an embodiment of the present invention;
FIG. 5 is a schematic view of an end surface portion in an embodiment of the present invention;
fig. 6 is another schematic view of an insulation cover according to an embodiment of the present invention;
fig. 7 is another schematic view of an insulation cover according to an embodiment of the present invention;
fig. 8 is a schematic view of the insulating sheath according to the embodiment of the present invention, different from fig. 3, 5 and 6;
FIG. 9 is a schematic view of the working electrode of the embodiment of the present invention without the insulating sleeve;
fig. 10 is a schematic view of another plasma scalpel in accordance with an embodiment of the present invention;
fig. 11 is a schematic view of another plasma scalpel according to the present invention with a temperature sensor;
FIG. 12 is another schematic view of a cutting head according to an embodiment of the present invention;
FIG. 13 is a further schematic view of a cutting head according to an embodiment of the present invention;
fig. 14 is another schematic view of an end surface portion in an embodiment of the present invention;
FIG. 15 is another schematic view of a working electrode according to an embodiment of the present invention;
fig. 16 is a schematic view of a blade angle of another plasma scalpel according to an embodiment of the present invention.
In the figure: 1-a loop pole cutter bar; 2-an insulated electrode holder; 3-an insulating layer; 4-a loop pole; 5-a working electrode; 6-an insulating sleeve; 7-a temperature sensor; 8-a bend; 9-hollowing out holes; 10-a wire; 11-a bending part; 12-an excitation sheet; 13-external excitation sheet; 14-inner exciting sheet; 15-a handle; 16-a plug; 17-a suction device; 18-water outlet; 19-water suction holes; 20-notch; 21-rounding off; 23-water outlet device.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the specific embodiments.
As shown in fig. 1 to 5, in which fig. 3 does not show the insulating sleeve 6, a cutter head of a plasma scalpel comprises a loop electrode cutter bar 1 and an insulating electrode holder 2; the near end of the loop pole cutter bar 1 (the interior of the loop pole cutter bar is of a hollow structure) is coated with an insulating layer 3, and the exposed part of the far end of the loop pole cutter bar 1 is a loop pole 4; the loop electrode 4 is provided with a working electrode 5 separated from the loop electrode through the insulating electrode seat 2; the far end of the loop pole 4 is provided with an insulating sleeve 6, and the insulating sleeve 6 surrounds the insulating electrode holder 2 and partially surrounds the working pole 5; and a gap is arranged between the insulating sleeve 6 and the insulating layer 3.
In this embodiment, the insulating layer 3 can protect and insulate the return electrode 4, so as to prevent electric shock and ensure the ablation efficiency of plasma. Generally, the insulating layer 3 may be a heat shrinkable sleeve, so that the loop electrode 4 has the advantages of simple structure, convenient manufacture and cost. Further, the surface area of the space between the insulating sheath 6 and the insulating layer 3 is larger than the surface area of the working electrode 5.
When the insulating sleeve 6 is sleeved on the outer side of the insulating electrode holder 2, the insulating sleeve 6 can wrap the loop electrode 5 along the arrangement path, namely, the insulating sleeve 6 is sleeved along the length direction of the loop electrode cutter bar 1, so that a good insulating effect is provided for the plasma scalpel.
In order to ensure the normal operation of the working electrode 5 and avoid nerve stimulation caused by plasma fleeing, the length L1 of the partially surrounded working electrode 5 is L × S; wherein, L is the total length of the working electrode 5 exposed out of the insulated electrode seat 2, and S is more than or equal to 10% and less than or equal to 60%. In the embodiment, one end of the insulated electrode seat 2 is connected with the working electrode 5, and the other end is connected with the return electrode 4; the working electrode 5 is connected to a power source through the internal passage of the return electrode holder 1, and therefore, it can be understood that the working electrode 5 protrudes from the insulated electrode holder 2 by a length L1 surrounded by the insulating sheath 6, thereby allowing the plasma to have an effective working range, and thus ensuring that the plasma can be concentrated within a certain range.
For better use the disclosed embodiment of the present invention, a gap is provided between the portion of the insulating sheath 6 surrounding the working electrode 5 and the working electrode 5. It can be understood that the diameter of the end of the insulating sleeve 6 used for surrounding the working electrode 5 is slightly larger than that of the working electrode 5, and after the insulating sleeve 6 is sleeved in the working electrode 5, a distance exists between the insulating sleeve 6 and the working electrode 5, so that a good plasma gathering effect can be generated, and nerve stimulation caused by the disordered plasma is avoided.
For better use the utility model discloses an embodiment, be equipped with the mounting hole on the utmost point cutter arbor of return circuit 1, install temperature sensor 7 in the mounting hole. When the temperature generated by the plasma film is between 40 ℃ and 70 ℃, the plasma film has enough energy to crush molecular chains of human wound tissues, so that the embodiment can perform operation at low temperature, and an operator can constantly observe the temperature change of the physiological saline, thereby improving the reliability and safety of the operation.
In order to better use the embodiment disclosed in the present invention, the working electrode 5 can adapt to different surgical scenes, the distal end of the loop electrode 4 is provided with a bending portion 8, and the angle α of the bending portion 8 is 130 ° to 160 °.
Likewise, for better use the utility model discloses an embodiment makes working electrode 5 can adapt to different operation scenes, provides more selections for the surgeon, working electrode 5 is slice electrode or needle electrode or column electrode.
In this embodiment, the working electrode 5 is a sheet electrode, the surface of which is provided with a plurality of hollow holes 9, and the working electrode is mounted on the insulated electrode holder 2 through a metal wire 10 passing through the hollow holes 9. In this embodiment, the sheet electrode is made of a metal sheet, and the thickness thereof is preferably in the range of 0.25 to 1.00mm, and the length of the partially enclosed working electrode 5 is preferably 0.1 to 0.3 mm.
In order to better use the plasma scalpel disclosed in the embodiment, one end of the insulating sleeve 6 surrounding the working electrode 5 is in a circular structure, an oval structure or an open structure.
In this embodiment, the end of the insulating sheath 6 surrounding the working electrode 5 is of circular configuration. With this structure, the plasma film body is present around the working electrode 5, so that the surgeon can perform the surgical operation accurately on the surgical site. Since the main purpose of the end is to project around the working electrode 5, the shape and structure thereof may be determined according to the actual situation as long as such conditions are satisfied. In other embodiments, such as the embodiment shown in FIG. 6, the end has an oval configuration; in the embodiment shown in fig. 7, this end is arranged larger than in the embodiment of fig. 6, so that the working electrode 5 can also be enclosed. In addition, as shown in FIG. 8, the end may also be an open configuration.
In various embodiments, as shown in fig. 9, there may be two or more wires 10. The wire 10 may be bent into a kidney-shaped hole shape, as well as into a corner or arc shape or other shapes.
In the present embodiment, in particular, the plasma scalpel comprises a handle 15, a plug 16 and a suction device 17; the proximal end of the loop pole 4 is connected with a handle 15; the plug 16 is electrically connected with the working electrode 5; the handle 15 is provided with a control switch; the suction device 17 is likewise provided with a corresponding control switch.
When in operation, a switch arranged on the handle 15 (or a host machine for providing energy for the plasma scalpel) is opened, physiological saline is used as an intermediate medium, an ionic state is formed between the loop pole 4 and the working pole 5, and a highly gasified plasma thin layer is formed on the working pole 5; the temperature generated by the plasma thin layer is between 40 and 70 ℃, so that the plasma thin layer has enough energy to crush the molecular chains of the human wound tissue in contact with the working electrode 5; because the plasma thin layer has extremely high oxidation, bacteria on the surface of the wound can be killed.
The insulated electrode holder 2 is provided with a water suction channel communicated with a suction device 17, and the water suction channel is provided with a water suction hole 19; because the working electrode 5 of the sheet electrode is provided with the plurality of hollow holes 9, the hollow holes 9 can be used for binding the metal wires 10 and can also be communicated with a water absorption channel through the water absorption holes 19, so that waste human tissues, the melted sheet electrode and physiological saline can be conveniently pumped away, and a suction channel does not need to be independently established.
In other embodiments, the structure of the patch electrodes is different; in the above embodiment, the structure is circular, and has a plurality of hollow holes 9; some of the hollow holes 9 are used for binding the working electrode 5 by the metal wire 10, and other hollow holes 9 are used for communicating the water suction holes 19 to meet the suction requirement.
As shown in fig. 10, the wire 10 is connected to the outside of the working electrode 5, and the hollow hole 9 for communicating with the water suction hole 19 is provided at the middle position of the end surface portion.
In some embodiments, the structure of the working pole 5 differs from the above-described embodiments, and as shown in fig. 11-13, the curved portion 8 is provided smoothly, and in such embodiments, the insulating sheath 6 corresponds to a sleeve and has a curvature to match the bending angle of the return pole 5.
It should be noted that, as shown in fig. 10 and 11, in any embodiment, the output of the intermediate medium is controlled by the water outlet device 23, the suction device 17 and the water outlet device 23 can be integrated into the plasma scalpel, and the water outlet device 23 can complete the output of the intermediate medium through the water outlet hole 18. Therefore, the return circuit pole 4 can be used for setting a water outlet channel communicated with the water outlet device 23, so that the physiological saline can be conveniently output at the operation position, and the physiological saline is prevented from being input by other devices independently.
As shown in fig. 14, the working electrode 5 is a sheet electrode, and the sheet electrode is provided with a bending portion; the sheet electrode is arranged as an excitation sheet 12 through a hole; the exciting sheet 12 comprises an outer exciting sheet 13, the outer exciting sheet 13 is arranged in a structure with a gradually narrowed width from the bottom of the end surface part to the side part, and the width of the bending part is larger than the width of the bottom of the exciting sheet 12.
Because the operation risk of the prior common sheet-shaped plasma operation electrode is higher, the sheet-shaped electrode is easy to fall off; in this embodiment, the top of the external excitation sheet 13 is easier to melt by the energy of the plasma, and the first melted portion becomes the top of the external excitation sheet 13 and will not break from the middle or the bottom and fall into the human body, so as to avoid that the large material of the working electrode 5 is melted and falls into the human body during the operation, and the structure can also avoid that the working electrode 5 falls off integrally during the operation.
In order to further reduce the harm to the human body caused by the operation, the outer exciting sheet 13 is formed to have an outer contour width from the top of the end surface portion smaller than the outer contour width of the bottom and side portions of the end surface portion.
In order to make the plasma scalpel more convenient for surgical cutting, the excitation sheet 12 further comprises an inner excitation sheet 14, and the inner excitation sheet 14 is arranged in a structure with a gradually narrowing width from the bottom to the top of the end surface part.
Correspondingly, the insulated electrode holder 2 is provided with a mounting position for inserting the bending part 11, and after one end of the bending part 11 is inserted into the mounting position, the working electrode 5 is fixed on the insulated electrode holder 2.
As shown in fig. 15, it should be noted that, in such a structure, the two hollowed-out holes 9 on the working electrode 5 are generally symmetrical; for the hollow hole 9 on any side, the upper end width D1 of the side arm away from the other hollow hole 9 < the lower end width D2 of the side arm < the width D3 of the bent part 11. The sheet electrode with the structure can ensure that a plasma film is still generated when the working electrode 5 is melted in the using process, so that the plasma scalpel can be normally used, and secondly, in the working electrode 5, the melted part is only a small part at the top and nearby, so that the working electrode 5 has longer service life; further, the top of the working electrode 5 is provided with a notch 20 with a V-shaped structure, and the notch 20 is provided with a rounded corner 21, so that a relatively more uniform plasma film can be generated, and the cutting effect of the plasma scalpel is better. As shown in fig. 16, in this embodiment, in addition to the angle α of the bent portion 8 being 130 ° to 160 °, an angle β actually exists at the front end of the insulated electrode holder 2, and the angle is in the range of 45 ° to 60 °; the tip of the return electrode 4, i.e., the end connected to the insulated electrode holder 2, has an angle γ in the range of 60 ° to 75 °. The special angles and the inclined planes formed by the angles can cater to the structure of the surgical joint, so that the cutter head can be more closely attached to the shape of the joint, the surgery is more effective, and different surgical scenes can be better adapted to.
The above is only a preferred embodiment of the present invention, and it should be noted that the above preferred embodiment should not be considered as limiting the present invention, and the protection scope of the present invention should be subject to the scope defined by the claims. It will be apparent to those skilled in the art that various modifications and enhancements can be made without departing from the spirit and scope of the invention, and such modifications and enhancements are intended to be within the scope of the invention.
Claims (10)
1. A cutter head of a plasma scalpel comprises a loop electrode cutter rod (1) and an insulating electrode seat (2); the near end of the loop pole cutter bar (1) is coated with an insulating layer (3), and the exposed part of the far end of the loop pole cutter bar (1) is a loop pole (4); the circuit pole (4) is provided with a working pole (5) separated from the circuit pole through an insulated electrode holder (2), and is characterized in that the far end of the circuit pole (4) is provided with an insulated sleeve (6), and the insulated sleeve (6) surrounds the insulated electrode holder (2) and partially surrounds the working pole (5); and a gap is arranged between the insulating sleeve (6) and the insulating layer (3).
2. A plasma scalpel head as claimed in claim 1, in which the working electrode (5) is partially surrounded by a length L1 ═ lxs;
wherein L is the total length of the working electrode (5) exposed out of the insulated electrode seat (2); s is a length coefficient, and S is more than or equal to 10% and less than or equal to 60%.
3. A plasma scalpel head as claimed in claim 1, in which the portion of the insulating sheath (6) surrounding the working electrode (5) is spaced from the working electrode (5).
4. A plasma scalpel head as defined in claim 1, wherein the return pole shank (1) is provided with a mounting hole in which the temperature sensor (7) is mounted.
5. A plasma scalpel head as claimed in claim 1, in which the distal end of the return pole (4) is provided with a bend (8), the bend (8) having an angle α of between 130 ° and 160 °.
6. A plasma scalpel head as claimed in claim 1, wherein the working electrode (5) is a sheet electrode or a needle electrode or a cylinder electrode.
7. A plasma scalpel head as claimed in claim 6, wherein the working electrode (5) is a sheet electrode having a plurality of apertures (9) in its surface and is mounted to the insulated electrode holder (2) by wires (10) passing through the apertures (9).
8. A plasma scalpel head as claimed in claim 7, in which the end of the insulating sleeve (6) surrounding the working electrode (5) is of circular or elliptical or open configuration.
9. A plasma scalpel head as claimed in claim 6, wherein the working electrode is a sheet electrode provided with a bend (11); the sheet-shaped electrode is arranged as an excitation sheet (12) in a way of opening a hole; the exciting sheet (12) comprises an outer exciting sheet (13), the outer exciting sheet (13) is arranged to be a structure with the width gradually narrowed from the bottom of the end face part to the side part, and the width of the bending part (11) is larger than that of the bottom of the exciting sheet (12).
10. A plasma scalpel head as claimed in claim 9, wherein the excitation plate (12) further comprises an inner excitation plate (14), and the inner excitation plate (14) is configured to have a gradually narrowing width in a direction from the bottom to the top of the end surface portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021119111.1U CN213075892U (en) | 2020-06-16 | 2020-06-16 | Tool bit of plasma scalpel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021119111.1U CN213075892U (en) | 2020-06-16 | 2020-06-16 | Tool bit of plasma scalpel |
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| Publication Number | Publication Date |
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| CN213075892U true CN213075892U (en) | 2021-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021119111.1U Active CN213075892U (en) | 2020-06-16 | 2020-06-16 | Tool bit of plasma scalpel |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115337091A (en) * | 2022-10-19 | 2022-11-15 | 成都美创医疗科技股份有限公司 | Low-temperature plasma electrode assembly, intra-operative cutter and operative system |
| 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 |
-
2020
- 2020-06-16 CN CN202021119111.1U patent/CN213075892U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115337091A (en) * | 2022-10-19 | 2022-11-15 | 成都美创医疗科技股份有限公司 | Low-temperature plasma electrode assembly, intra-operative cutter and operative system |
| 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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