CN215899867U - Low-temperature plasma radio frequency operation electrode - Google Patents
Low-temperature plasma radio frequency operation electrode Download PDFInfo
- Publication number
- CN215899867U CN215899867U CN202121696413.XU CN202121696413U CN215899867U CN 215899867 U CN215899867 U CN 215899867U CN 202121696413 U CN202121696413 U CN 202121696413U CN 215899867 U CN215899867 U CN 215899867U
- Authority
- CN
- China
- Prior art keywords
- tool bit
- annular flow
- flow channel
- connecting part
- temperature plasma
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Surgical Instruments (AREA)
Abstract
The utility model is suitable for the technical field of medical operation electrode equipment, and provides a low-temperature plasma radio-frequency operation electrode which comprises a handheld part, wherein one end of the handheld part is integrally connected with a tool bit seat, a connecting part is distributed in the tool bit seat, a tool bit for performing operation on a focus is arranged at the position where the connecting part extends to the outside of the tool bit seat, a cooling device for cooling the connecting part is arranged on the outer side of the connecting part, a heat insulation layer is arranged on the inner wall of the tool bit seat, and a wire electrically connected with the tool bit is arranged at the other end of the handheld part. By adopting the technical scheme, the connecting part can be effectively cooled, the cooling effect on the cutter head can be achieved, the cutter head is prevented from being damaged by overhigh temperature, the annular flow passage has better cooling effect than a straight pipe, and the annular flow passage has the advantages of more uniform and faster cooling.
Description
Technical Field
The utility model relates to the technical field of medical operation electrode equipment, in particular to a low-temperature plasma radio-frequency operation electrode.
Background
The operation principle of the operation electrode is that a high-frequency generator of the operation electrode outputs high-frequency current to treat the tissue at the position of a lesion, human tissue is in contact with a cutter head of the operation electrode, and the temperature of the cutter head is increased to gradually organize and shrink the tissue at the position of the lesion until the tissue is eliminated or closed.
In the using process of the operation electrode, as the current is needed to treat the focus, the heating condition can occur after the operation electrode is used for a long time, and the injury can be caused to the human tissue due to overhigh temperature.
In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned drawbacks, the present invention provides a low-temperature plasma rf surgical electrode, so as to solve the problem of damage to human body caused by over-high temperature in the background art.
In order to solve the technical problems, the utility model provides the following technical scheme:
the utility model provides a low temperature plasma radio frequency operation electrode, includes handheld portion, and the one end an organic whole of handheld portion is connected with the tool bit seat, and the inside of tool bit seat is equipped with connecting portion, and connecting portion extend to the outside position department of tool bit seat and are equipped with the tool bit that is used for carrying out the operation to the focus, the outside of connecting portion is provided with the cooling device who is used for cooling to connecting portion, the other end of handheld portion be provided with tool bit electric connection's electric wire.
The following is a further optimization of the above technical solution of the present invention:
the cooling device comprises an annular flow channel which is spirally arranged on the outer side of the connecting part in a surrounding manner.
Further optimization: the annular flow channel and the connecting part are coaxially arranged, one end of the annular flow channel extends to the position, close to the cutter head, of the connecting part, and the other end of the annular flow channel extends to the end, close to the connecting part, far away from the cutter head; one end of the annular flow channel, which is far away from the tool bit, is integrally connected with a liquid inlet pipe for the cooling liquid to enter the annular flow channel; one end of the annular flow channel, which is close to the cutter head, is integrally connected with a liquid outlet pipe for discharging cooling liquid out of the annular flow channel; the liquid inlet pipe extends to the outside of handheld portion and is connected with the liquid nitrogen pump, the liquid outlet pipe extends to the outside of handheld portion and communicates with the liquid nitrogen pump mutually.
Further optimization: the tool bit seat is internally provided with a mounting cavity matched with the connecting part.
Further optimization: the aperture of the annular flow passage is set within 5 mm.
Further optimization: the heat insulation layer is made of an insulating soft material and wraps the annular flow channel.
Further optimization: one end of the wire is electrically connected with a plug.
By adopting the technical scheme, the utility model has ingenious conception, and in the process of performing an operation, the liquid nitrogen pump is started to enable liquid nitrogen to enter the annular flow channel through the liquid inlet pipe, flow to the position where the annular flow channel is intersected with the liquid outlet pipe in the annular flow channel and then flow back to the liquid nitrogen pump through the liquid outlet pipe.
Design like this, when carrying out the operation, because there is the electric current in the connecting portion, can produce certain heat energy, and the temperature of liquid nitrogen is-196 ℃, can carry out effectual cooling to connecting portion to the tool bit is all made by the metal, has good heat conductivity, consequently also can play the cooling effect to the tool bit, prevents that the too high temperature of tool bit from producing the injury to the human body.
Compared with a straight pipe, the annular flow channel has better cooling effect and has the advantages of more uniform and faster cooling.
It should be noted that, in this embodiment, liquid nitrogen is used for cooling, and since the temperature of liquid nitrogen is too low, the aperture of the annular flow channel is set within 5mm, and the discharge capacity of the liquid nitrogen pump is 1.2L/h, the small aperture and the slow flow rate of liquid nitrogen are enough to ensure the cooling effect on the connecting portion and the tool bit, and the temperature of the tool bit and the connecting portion is not too low, which may cause damage to the human body.
Drawings
FIG. 1 is a schematic diagram of the general structure of the present invention;
FIG. 2 is a schematic view of the structure of a cooling apparatus according to the present invention;
fig. 3 is a schematic view of the internal structure of the present invention.
In the figure: 1-a hand-held part; 2-a tool bit seat; 21-a connecting part; 22-a cutter head; 23-a mounting cavity; 24-a thermal insulation layer; 3-a cooling device; 31-a liquid inlet pipe; 32-a liquid outlet pipe; 33-liquid nitrogen pump; 34-an annular flow passage; 4-an electric wire; 5-plug.
Detailed Description
Example (b): referring to fig. 1-2, a low-temperature plasma radio-frequency operation electrode includes a handheld portion 1, one end of the handheld portion 1 is integrally connected with a tool bit holder 2, a connecting portion 21 is disposed inside the tool bit holder 2, a tool bit 22 for performing an operation on a focus is disposed at a position where the connecting portion 21 extends to the outside of the tool bit holder 2, a cooling device 3 for cooling the connecting portion 21 is disposed outside the connecting portion 21, a thermal insulation layer 24 is disposed on an inner wall of the tool bit holder 2, and an electric wire 4 electrically connected with the tool bit 22 is disposed at the other end of the handheld portion 1.
The cooling device 3 comprises an annular flow channel 34 arranged helically around the outside of the connecting portion 21.
The annular flow passage 34 and the connecting portion 21 are coaxially arranged, one end of the annular flow passage 34 extends to a position where the connecting portion 21 is close to the cutter head 22, and the other end of the annular flow passage 34 extends to a position where the connecting portion 21 is far away from the cutter head 22.
One end of the annular flow passage 34, which is far away from the tool bit 22, is integrally connected with a liquid inlet pipe 31 for the cooling liquid to enter the annular flow passage 34, and the liquid inlet pipe 31 is communicated with the annular flow passage 34.
One end of the annular flow channel 34 close to the tool bit 22 is integrally connected with a liquid outlet pipe 32 for discharging the cooling liquid out of the annular flow channel 34, and the liquid outlet pipe 32 is communicated with the annular flow channel 34.
The liquid inlet pipe 31 extends to the outside of the handheld part 1 and is connected with a liquid nitrogen pump 33, and the liquid nitrogen pump 33 is communicated with a liquid nitrogen bottle in a hospital.
The liquid outlet pipe 32 extends to the outside of the handheld part 1 and is communicated with a liquid nitrogen pump 33.
The tool bit seat 2 is internally provided with an installation cavity 23 matched with the connecting part 23 in shape.
The thermal insulation layer 24 is made of an insulating soft material, and the annular flow channel 34 is wrapped by the thermal insulation layer 24.
Design like this, heat insulating layer 24 and cooling device 3 direct contact can obstruct cooling device 3's low temperature conduction to tool bit seat 2 on, avoided tool bit seat 2 temperature to hang down excessively, cause the frostbite to human tissue.
The thermal insulation layer 24 can also prevent the temperature outside the tool bit seat 2 from entering the mounting cavity 23, and the cooling effect of the cooling device 3 is affected.
In the present embodiment, liquid nitrogen is used as the cooling liquid, but it is not limited to use of liquid nitrogen as the cooling liquid.
During operation, the liquid nitrogen pump 33 is turned on, liquid nitrogen enters the annular flow channel 34 through the liquid inlet pipe 31, flows to the position where the annular flow channel 34 and the liquid outlet pipe 32 intersect in the annular flow channel 34, and then flows back to the liquid nitrogen pump 33 through the liquid outlet pipe 32.
By the design, when an operation is performed, certain heat energy can be generated due to the fact that current flows in the connecting portion 21, the temperature of liquid nitrogen is-196 ℃, the connecting portion 21 can be effectively cooled, the cutter head 22 is made of metal and has good heat conductivity, the cooling effect on the cutter head 22 can be achieved, and the cutter head 22 is prevented from being damaged by the fact that the temperature is too high.
The annular flow channel 34 has a better cooling effect than a straight pipe, and also has the advantages of more uniform and faster cooling.
It should be noted that, in the present embodiment, liquid nitrogen is used for cooling, since the temperature of the liquid nitrogen is too low, the aperture of the annular flow passage 34 is set within 5mm, and the displacement of the liquid nitrogen pump 33 is 1.2L/h, the small aperture and the slow flow rate of the liquid nitrogen are enough to ensure the cooling effect on the connection portion 21 and the tool bit 22, and the temperature of the tool bit 22 and the connection portion 21 is not too low, which may cause damage to the human body.
One end electrical connection of electric wire 4 has plug 5, and plug 5 is connected with the power.
In the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inside", "outside", and the like are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The terms "first", "second" and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," or "third" may explicitly or implicitly include one or more of that feature. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be effected therein by one skilled in the art without departing from the spirit and scope of the utility model as defined in the appended claims.
Claims (6)
1. The utility model provides a low temperature plasma radio frequency operation electrode, includes handheld portion, and the one end an organic whole of handheld portion is connected with the tool bit seat, and connecting portion, its characterized in that have been laid to the inside of tool bit seat: the connecting portion extend to the outside position department of tool bit seat and are equipped with the tool bit that is used for carrying out the operation to the focus, the outside of connecting portion is provided with the cooling device who is used for cooling to connecting portion, be provided with the heat insulating layer on the inner wall of tool bit seat, the other end of handheld portion be provided with tool bit electric connection's electric wire.
2. The low temperature plasma rf surgical electrode of claim 1, wherein: the cooling device comprises an annular flow channel spirally arranged on the outer side of the connecting part in a surrounding manner, the annular flow channel and the connecting part are coaxially arranged, one end of the annular flow channel extends to the position, close to the cutter head, of the connecting part, and the other end of the annular flow channel extends to the end, close to the connecting part, far away from the cutter head; one end of the annular flow channel, which is far away from the tool bit, is integrally connected with a liquid inlet pipe for the cooling liquid to enter the annular flow channel; one end of the annular flow channel, which is close to the cutter head, is integrally connected with a liquid outlet pipe for discharging cooling liquid out of the annular flow channel; the liquid inlet pipe extends to the outside of handheld portion and is connected with the liquid nitrogen pump, the liquid outlet pipe extends to the outside of handheld portion and communicates with the liquid nitrogen pump mutually.
3. The low temperature plasma rf surgical electrode of claim 2, wherein: the tool bit seat is internally provided with a mounting cavity matched with the connecting part.
4. The low temperature plasma rf surgical electrode of claim 3, wherein: the aperture of the annular flow passage is set within 5 mm.
5. The low temperature plasma radio frequency surgical electrode according to claim 4, wherein: the annular flow passage is wrapped by the heat insulation layer.
6. The low temperature plasma radio frequency surgical electrode according to claim 5, wherein: one end of the wire is electrically connected with a plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121696413.XU CN215899867U (en) | 2021-07-26 | 2021-07-26 | Low-temperature plasma radio frequency operation electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121696413.XU CN215899867U (en) | 2021-07-26 | 2021-07-26 | Low-temperature plasma radio frequency operation electrode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215899867U true CN215899867U (en) | 2022-02-25 |
Family
ID=80290398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121696413.XU Active CN215899867U (en) | 2021-07-26 | 2021-07-26 | Low-temperature plasma radio frequency operation electrode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215899867U (en) |
-
2021
- 2021-07-26 CN CN202121696413.XU patent/CN215899867U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6541838B2 (en) | A thin, high strength choke and wet tip microwave cautery antenna | |
| JP4302731B2 (en) | High-frequency electrosurgical electrode for coagulation necrosis of living tissue | |
| JP5183676B2 (en) | Apparatus and method for cooling a microwave antenna | |
| CN201642316U (en) | Microwave ablation needle and microwave ablation therapeutic instrument employing same | |
| CN103607969A (en) | Adiabatic cooling system for medical device | |
| JP2021053371A (en) | Ablation probe | |
| CN101411645A (en) | The uniform radio-frequency ablation electrode of surface temperature | |
| JP2019509113A (en) | Transmission device with coaxial cable, apparatus and method with the device | |
| US20230065952A1 (en) | Induction Coil Assembly for Uterine Ablation and Method | |
| CN201431510Y (en) | Gas-cooling and perfusion combined-type radio-frequency ablation probe electrode device for intervertebral disc | |
| CN111938809A (en) | Water-cooling type ablation needle | |
| CN215899867U (en) | Low-temperature plasma radio frequency operation electrode | |
| CN2910139Y (en) | Cold circulation electrode | |
| US8092449B2 (en) | Surgical probe | |
| CN217853277U (en) | Bipolar adjustable radiofrequency ablation electrode and radiofrequency ablation device | |
| CN102421210A (en) | Cooling type electrode device | |
| CN107157573A (en) | The mapping ablation catheter and ablating device and device application method of a kind of interpolar discharge | |
| CN111956323A (en) | Temperature-adjustable ablation needle | |
| CN214966546U (en) | Telescopic bipolar scalpel | |
| US20230066333A1 (en) | Cooled bipolar radio-frequency ablation probe | |
| CN210494225U (en) | Electrode connection structure in operation electrode | |
| WO2024102776A1 (en) | Closed-loop cryogenic systems and processes for treating cervical abnormalities | |
| CN114917020A (en) | Bipolar adjustable radio frequency ablation electrode and radio frequency ablation device | |
| CN118121291A (en) | Active cooling device for energy surgery and active cooling system for energy surgery | |
| CN107157572A (en) | A kind of application method of interpolar discharge ablation catheter and ablating device and the ablating device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |