CN217611351U - Bipolar air-cooled probe - Google Patents

Abstract

The utility model discloses a bipolar air-cooled probe, including first electrode, second electrode, first insulation cover, core pipe and the insulating cover of second, second electrode, first insulation cover, first electrode are fixed the cover in proper order and are established, are equipped with the wind channel in the first electrode, and in the wind channel was located to the front end of core pipe, the front end of core pipe was equipped with the opening, and the opening was used for carrying high-pressure gas to the first end of first electrode, was equipped with exhaust passage between core pipe and the first electrode, exhaust passage and wind channel and opening intercommunication. Above-mentioned bipolar air-cooled probe can reduce the temperature of during operation, prevents because the higher scald scheduling problem that arouses of temperature, reduces the damage, simultaneously because all fixed the setting between first electrode, second electrode, first insulating cover and the second insulating cover, makes the length that first electrode and second electrode expose fixed, forms the distance structure, need not the adjustment and can use easy operation.

Description

Bipolar air-cooled probe

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a bipolar air-cooled probe.

Background

In the tumor ablation operation, the method can be roughly divided into three categories, namely "thermal ablation", such as microwave ablation, radio frequency ablation, and the like, "cryoablation", such as argon-helium knife ablation, and the like, and "steep pulse electric field ablation", wherein the thermal ablation is to form protein coagulative necrosis by heat generated by water molecules or other charged particles in tissues around an electrode according to electromagnetic waves with specific wavelengths emitted by the electrode, so as to kill tumor cells; the cryoablation is the death of tumor cells caused by the low temperature of the probe causing the freezing around the probe, and the steep pulse ablation is the death of tumor cells caused by the breakdown of the cell membrane of the tumor cells by the high voltage electric field around the probe.

In the microwave and radio frequency ablation process, the probe can generate heat because the emitted continuous waves, and when the heat of the probe is too high, even tissues can generate a carbonization phenomenon, so that the treatment effect is directly influenced.

In the steep pulse ablation process, although the probe emits pulse direct current with extremely small width, the temperature of the probe is also increased due to the large current, and in severe cases, tissues around the probe are also thermally burned.

SUMMERY OF THE UTILITY MODEL

Accordingly, the present invention is directed to overcome the disadvantages of the prior art and to provide a bipolar air-cooled probe capable of reducing damage.

The technical scheme is as follows:

the utility model provides a bipolar air-cooled probe, includes first electrode, second electrode, first insulating sleeve, core pipe and second insulating sleeve, the fixed cover of first insulating sleeve is located outside the first electrode, the fixed cover of second electrode is located outside the first insulating sleeve, the fixed cover of second insulating sleeve is located outside the second electrode, the first end of first electrode is stretched out first insulating sleeve, first insulating sleeve part stretches out the second electrode, second electrode part stretches out the second insulating sleeve, be equipped with the wind channel in the first electrode, the front end of core pipe is located in the wind channel, the front end of core pipe is equipped with the opening, the opening is used for carrying high-pressure gas extremely the first end of first electrode, the core pipe with be equipped with exhaust duct between the first electrode, exhaust duct with the opening intercommunication.

When the first electrode and the second electrode are inserted into a preset area, the first insulating sleeve is arranged between the first electrode and the second electrode, the second insulating sleeve is sleeved outside the second electrode, the first electrode partially extends out of the first insulating sleeve, and the second electrode partially extends out of the second insulating sleeve, so that the first electrode and the second electrode can only be conducted by the exposed parts of the first electrode and the second electrode.

In one embodiment, the bipolar gas-cooled probe further comprises a handle, wherein the handle has an installation space therein, the first end of the first electrode is disposed outside the handle, the second end of the first electrode is disposed in the installation space, one end of the second insulating sleeve is disposed outside the handle, and the other end of the second insulating sleeve is disposed in the handle.

In one embodiment, the second end of the first electrode is provided with an air outlet communicated with the air exhaust channel, the core tube extends into the air duct from the air outlet, and the core tube is in clearance fit with the first electrode.

In one embodiment, the bipolar gas-cooled probe further includes an air inlet pipe and an air outlet pipe, the first end of the first electrode is a closed end, the air inlet pipe is communicated with the core pipe, the air outlet pipe is communicated with the air outlet, the air outlet pipe is sleeved outside the air inlet pipe, and an inner wall of the air outlet pipe is spaced from an outer wall of the air inlet pipe.

In one embodiment, the bipolar gas-cooled probe further includes a separation sleeve, one end of the separation sleeve is sleeved outside the first electrode, the other end of the separation sleeve is sleeved outside the air inlet pipe, a connection portion between the air inlet pipe and the core pipe is located in the separation sleeve, an air outlet is arranged on a side surface of the separation sleeve, and the air outlet pipe is communicated with the air outlet.

In one embodiment, the bipolar gas cooling probe further comprises an adaptor and a fixing sleeve, the adaptor is sleeved outside the air outlet pipe, at least two clamping pieces are arranged at one end of the adaptor close to the first electrode, the clamping pieces are arranged at intervals along the circumferential direction of the air outlet pipe, external threads are arranged on one side of the clamping pieces far away from the air outlet pipe, the fixing sleeve is sleeved outside the clamping pieces, the inner diameter of the fixing sleeve is gradually increased along the direction far away from the first electrode, and internal threads matched with the external threads are arranged on the inner wall of the fixing sleeve.

In one embodiment, the bipolar air-cooled probe further includes a first lead electrically connected to the first electrode and a second lead electrically connected to the second electrode.

In one embodiment, a branch pipe communicated with the installation space is arranged on the handle, the branch pipe and the handle are arranged at an included angle, and both the first electrode and the second electrode extend out of the handle through the branch pipe.

In one embodiment, a first clamping portion and a second clamping portion are sequentially arranged in the installation space along a direction close to the first end of the first electrode, a first matching portion is arranged on the first electrode, a second matching portion is arranged on the second electrode, the first clamping portion is clamped with the first matching portion, and the second clamping portion is clamped with the second matching portion.

In one embodiment, the handle includes a main body and a fixing sleeve, an end of the main body is in threaded fit with the fixing sleeve, and the main body includes a first section and a second section, and the first section is spliced with the second section and encloses the installation space.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention.

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a cross-sectional view of a bipolar air-cooled probe in accordance with an embodiment of the present invention;

fig. 2 is an oblique view of a bipolar air cooling probe according to an embodiment of the present invention;

FIG. 3 is an enlarged schematic view at A in FIG. 1;

fig. 4 is a cross-sectional view of the first electrode, the second electrode, the first insulating sheath, and the core tube according to an embodiment of the present invention after assembly;

FIG. 5 is an enlarged schematic view at B of FIG. 1;

fig. 6 is a schematic structural view of a separation sleeve according to an embodiment of the present invention;

fig. 7 is an enlarged schematic view at C in fig. 1.

Description of reference numerals:

100. the air outlet structure comprises a first electrode, 101, an air duct, 102, an air exhaust channel, 103, an air outlet, 110, a first end, 120, a first matching part, 200, a second electrode, 210, a second matching part, 300, a first insulating sleeve, 400, a core pipe, 401, an opening, 500, a second insulating sleeve, 600, a handle, 601, an installation space, 610, a branch pipe, 620, a first clamping part, 630, a second clamping part, 640, an assembly sleeve, 710, an air inlet pipe, 720, an air outlet pipe, 730, a separation sleeve, 731, an air outlet, 810, an adapter, 820, a fixing sleeve, 910, a first wire, 920 and a second wire.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

As shown in fig. 1 to 5, an embodiment discloses a bipolar gas-cooled probe, which includes a first electrode 100, a second electrode 200, a first insulating sleeve 300, a core tube 400 and a second insulating sleeve 500, wherein the first insulating sleeve 300 is fixedly sleeved outside the first electrode 100, the second insulating sleeve 200 is fixedly sleeved 820 outside the first insulating sleeve 300, the second insulating sleeve 500 is fixedly sleeved 820 outside the second electrode 200, a first end 110 of the first electrode 100 extends out of the first insulating sleeve 300, a portion of the first insulating sleeve 300 extends out of the second electrode 200, a portion of the second electrode 200 extends out of the second insulating sleeve 500, an air duct 101 is disposed in the first electrode 100, a front end of the core tube 400 is disposed in the air duct 101, a front end of the core tube 400 is provided with an opening 401, the opening 401 is used for delivering high-pressure gas to the first end 110 of the first electrode 100, an exhaust passage 102 is disposed between the core tube 400 and the first electrode 100, and the exhaust passage 102 is communicated with the air duct 101 and the opening 401.

When the bipolar gas-cooled probe is inserted into a predetermined area, because the first insulating sleeve 300 is arranged between the first electrode 100 and the second electrode 200, the second insulating sleeve 500 is sleeved outside the second electrode 200, part of the first electrode 100 extends out of the first insulating sleeve 300, and part of the second electrode 200 extends out of the second insulating sleeve 500, the first electrode 100 and the second electrode 200 can only be conducted by the exposed parts of the first electrode 100 and the second electrode 200, because the air duct 101 is arranged in the first electrode 100, the front end of the core tube 400 is arranged in the air duct 101, when high-pressure gas is fed into the first end 110 of the first electrode 100 through the opening 401 at the front end of the core tube 400, because the inner diameter of the air duct 101 is larger than the aperture of the core tube 400, the air pressure can be reduced, the throttling effect can occur to cause the temperature reduction, the temperature reduction at the first end 110 of the first electrode 100 can be reduced, the gas can be discharged from the exhaust duct 102, the temperature in the predetermined area can be reduced, the damage of the temperature during working can be prevented, the damage of the first electrode 100 can be reduced, the insulating sleeve 200 can be easily caused, the insulating sleeve 100 can be used, the insulating sleeve 100 can be fixed, the insulating sleeve 100 can be easily formed, the insulating sleeve can be easily used, and the insulating sleeve can be fixed length of the first electrode 200 can be easily formed, and the second electrode 100 can be easily fixed, and the insulating sleeve 100 can be easily formed, the insulating sleeve 100 can be fixed length can be fixed.

Specifically, the portion of the first insulating sleeve 300 extending out of the second electrode 200 is located at the portion of the first insulating sleeve 300 close to the first end 110, and the portion of the second electrode 200 extending out of the second insulating sleeve 500 is located at the portion of the second electrode 200 close to the first end 110.

Alternatively, the predetermined region may be a tissue or a tumor or the like within the body of the living body.

Alternatively, as shown in fig. 1 and 2, the first electrode 100 is needle-shaped, and the first end 110 is pointed, so that the first electrode 100 can be inserted into the predetermined area more easily.

Optionally, both the first electrode 100 and the second electrode 200 are made of a conductive material. Ablation of cells can be achieved by passing an electric current to release a low-energy electric pulse.

Alternatively, the first insulating sleeve 300 may be disposed independently of the first and second electrodes 100 and 200, and the second insulating sleeve 500 may be disposed independently of the second electrode 200; or the first insulating sleeve 300 is an insulating coating outside the first electrode 100, and the second insulating sleeve 500 is an insulating coating outside the second electrode 200.

In one embodiment, as shown in fig. 1 to 4, the bipolar air-cooling probe further includes a handle 600, a mounting space 601 is disposed in the handle 600, the first end 110 of the first electrode 100 is disposed outside the handle 600, the second end of the first electrode 100 is disposed in the mounting space 601, one end of the second insulating sleeve 500 is disposed outside the handle 600, and the other end of the second insulating sleeve 500 is disposed in the handle 600. The handle 600 can be used for holding and isolating the first electrode 100 or the second electrode 200, the low temperature of the first electrode 100 does not affect an operator, the use of the bipolar gas cooling probe is convenient, high-pressure gas enters the installation space 601 along with the exhaust channel 102 after being decompressed in the air duct 101, and the influence of the operator in the gas exhaust process can be prevented.

In one embodiment, as shown in fig. 1 to 4, an air outlet communicated with the air exhaust channel 102 is provided at the second end of the first electrode 100, the core tube 400 extends into the air duct 101 from the air outlet, and the core tube 400 is in clearance fit with the first electrode 100. At this time, after the high-pressure gas enters the air duct 101 for pressure reduction, the high-pressure gas is discharged from the exhaust passage 102 through the exhaust port, and the core tube 400 is in clearance fit with the first electrode 100, so that the exhaust can be smoother.

Specifically, as shown in fig. 4, the outer wall of the core tube 400 and the inner wall of the air duct 101 are arranged at intervals to form the annular exhaust passage 102, high-pressure air can enter the exhaust passage 102 from the periphery of the outer wall of the core tube 400 after entering the air duct 101, the position where the high-pressure air enters the air duct 101 is located in the middle of the air duct 101, and after the throttling effect is exerted, the temperature reduction situation of each position in the circumferential direction of the first electrode 100 is similar, so that the temperature reduction effect of the peripheral area of the first electrode 100 can be better achieved. Specifically, a support portion is arranged outside the core tube 400, and the support portion is used for being in contact with the inner wall of the air duct 101, so that the core tube 400 can be positioned through the support portion, and the core tube 400 can be arranged in the middle of the air duct 101;

or one side of the core tube 400 is disposed in contact with the inner wall of the air path 101, a throttling effect is also achieved and the gas is discharged from the exhaust passage 102.

In one embodiment, as shown in fig. 1 and 5, the bipolar air-cooling probe further includes an air inlet pipe 710 and an air outlet pipe 720, the first end 110 of the first electrode 100 is a closed end, the air inlet pipe 710 is communicated with the core pipe 400, the air outlet pipe 720 is communicated with the air outlet, the air outlet pipe 720 is sleeved outside the air inlet pipe 710, and the inner wall of the air outlet pipe 720 and the outer wall of the air inlet pipe 710 are arranged at intervals. Through the arrangement of the air inlet pipe 710 and the air outlet pipe 720, the air inlet and the air outlet of the bipolar air cooling probe are provided with special pipelines, so that gas with higher pressure can be fed into the core pipe 400, the cooling effect of the electrode is stronger, and the operation is better.

Optionally, since the air inlet pipe 710 dedicated for air inlet and the air outlet pipe 720 dedicated for air outlet can bear a larger air pressure, the air pressure in the core pipe 400 can be increased, for example, to be greater than or equal to 1500psi; and/or the ratio between the inner diameter of the core tube 400 and the inner diameter of the air duct 101 is changed, the effect of the throttling effect is adjusted, the temperature of the first electrode 100 is greatly reduced, the area nearby the first electrode is frozen, the first electrode 100 can be kept stable relative to the preset area, and the first electrode 100 and the preset area can be prevented from being rubbed, so that the preset area can be prevented from being scratched and the like.

In other embodiments, the plenum pressure of the core tube 400 may also be less than 1500psi.

In one embodiment, as shown in fig. 5 to 7, the bipolar air-cooled probe further includes a separating sleeve 730, one end of the separating sleeve 730 is sleeved outside the first electrode 100, the other end of the separating sleeve 730 is sleeved outside the air inlet pipe 710, a connection portion between the air inlet pipe 710 and the core pipe 400 is located inside the separating sleeve 730, an air outlet 731 is disposed on a side surface of the separating sleeve 730, and the air outlet pipe 720 is communicated with the air outlet 731. Because the two ends of the separating sleeve 730 are respectively sleeved with the first electrode 100 and the air inlet pipe 710, the relative position of the first electrode 100 and the air inlet pipe 710 can be kept stable, the joint of the air inlet pipe 710 and the core pipe 400 is positioned in the separating sleeve 730, when the air inlet pipe 710 is connected with the core pipe 400, the air inlet pipe 710 can play a role in limiting the core pipe 400, so that the core pipe 400 can keep stable in position in the air duct 101 of the first electrode 100, and meanwhile, when gas is discharged through the exhaust passage 102, the gas is discharged from the air outlet 731 on the side surface of the separating sleeve 730 and enters the air outlet pipe 720, so that the gas is discharged more conveniently, the resistance of gas discharge is reduced, and the throttling effect is improved.

In one embodiment, as shown in fig. 1, the bipolar air-cooling probe further includes an adaptor 810 and a fixing sleeve 820, the adaptor 810 is sleeved outside the air outlet pipe 720, at least two clamping members are disposed at an end of the adaptor 810 close to the first electrode 100, the clamping members are disposed at intervals along a circumferential direction of the air outlet pipe 720, an external thread is disposed at one side of the clamping members away from the air outlet pipe 720, the fixing sleeve 820 is sleeved outside the clamping members, an inner diameter of the fixing sleeve 820 is gradually increased along a direction away from the first electrode 100, and an internal thread matched with the external thread is disposed on an inner wall of the fixing sleeve 820. When the fixing sleeve 820 is in threaded connection with the clamping member, since the inner diameter of the fixing sleeve 820 is gradually increased along the direction close to the external connection end, the clamping member can clamp the air outlet pipe 720 along with the rotation of the fixing sleeve 820, so that the adaptor 810 and the fixing sleeve 820 can be fixed outside the air outlet pipe 720, and the connection of external equipment through the adaptor 810 is facilitated.

Optionally, a passage is formed in the fixing sleeve 820, one end of the air outlet pipe 720 is communicated with the passage, the air inlet pipe 710 penetrates through the passage and is in clearance fit with the passage, and the fixing sleeve 820 can be used for exhausting air and protecting the air inlet pipe 710.

Alternatively, the bipolar air cooled probe may be used for "thermal ablation", such as microwave ablation, radio frequency ablation, etc., "cryoablation", and "steep pulsed electric field ablation", and in addition, the bipolar air cooled probe may be used for other medical or operational protocols other than the three categories.

In one embodiment, as shown in fig. 1 and 2, the bipolar air-cooling probe further includes a first conducting wire 910 and a second conducting wire 920, the first conducting wire 910 is electrically connected to the first electrode 100, and the second conducting wire 920 is electrically connected to the second electrode 200. The first wire 910 and the second wire 920 can be used to connect to an external circuit for controlling the first electrode 100 and the second electrode 200.

Optionally, as shown in fig. 1, a branch pipe 610 is disposed on the handle 600 and is communicated with the installation space 601, the branch pipe 610 and the handle 600 are disposed at an included angle, and both the first electrode 100 and the second electrode 200 extend out of the handle 600 through the branch pipe 610.

In one embodiment, as shown in fig. 7, a first clamping portion 620 and a second clamping portion 630 sequentially arranged in the mounting space 601 along a direction close to the first end 110 of the first electrode 100 are arranged in the mounting space, a first matching portion 120 is arranged on the first electrode 100, a second matching portion 210 is arranged on the second electrode 200, the first clamping portion 620 is clamped with the first matching portion 120, and the second clamping portion 630 is clamped with the second matching portion 210. Through the joint cooperation of first joint portion 620 and first cooperation portion 120, second joint portion 630 and second cooperation portion 210, can guarantee the fixed of first electrode 100, second electrode 200 relative position, make above-mentioned bipolar air-cooled probe can stable work.

In one embodiment, as shown in fig. 1, the handle 600 includes a main body and a mounting sleeve 640, wherein the end of the main body is screwed with the mounting sleeve 640, and the main body includes a first section and a second section, and the first section is spliced with the second section and encloses the mounting space 601. The first and second sections can be spliced to clamp the first and second electrodes 100 and 200 between the first and second sections, and the assembly sleeve 640 is in threaded fit with the main body to complete the installation of the bipolar air cooling probe, so that the assembly and disassembly are convenient, and the maintenance and the element replacement are convenient.

Optionally, the mounting sleeve 640 is provided with perforations. The power supply device is used for penetrating out a power supply electrode or a circuit, and is convenient to assemble.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" 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" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Claims (10)

1. The utility model provides a bipolar air-cooled probe, its characterized in that, includes first electrode, second electrode, first insulation cover, core pipe and the insulating cover of second, the fixed cover of first insulation cover is located outside the first electrode, the fixed cover of second electrode is located outside the first insulation cover, the fixed cover of second insulation cover is located outside the second electrode, the first end of first electrode stretches out first insulation cover, first insulation cover part stretches out the second electrode, second electrode part stretches out the insulating cover of second, be equipped with the wind channel in the first electrode, the front end of core pipe is located in the wind channel, the front end of core pipe is equipped with the opening, the opening is used for carrying high-pressure gas extremely the first end of first electrode, the core pipe with be equipped with exhaust passage between the first electrode, exhaust passage with the wind channel reaches the opening intercommunication.

2. The bipolar air cooling probe of claim 1, further comprising a handle, wherein the handle has an installation space therein, the first end of the first electrode is disposed outside the handle, the second end of the first electrode is disposed in the installation space, one end of the second insulating sleeve is disposed outside the handle, and the other end of the second insulating sleeve is disposed in the handle.

3. The bipolar air-cooled probe of claim 2, wherein the second end of the first electrode is provided with an air outlet communicated with the air exhaust channel, the core tube extends into the air duct from the air outlet, and the core tube is in clearance fit with the first electrode.

4. The bipolar air cooling probe of claim 3, further comprising an air inlet pipe and an air outlet pipe, wherein the first end of the first electrode is a closed end, the air inlet pipe is communicated with the core pipe, the air outlet pipe is communicated with the air outlet, the air outlet pipe is sleeved outside the air inlet pipe, and an inner wall of the air outlet pipe is spaced from an outer wall of the air inlet pipe.

5. The bipolar air-cooled probe of claim 4, further comprising a separation sleeve, wherein one end of the separation sleeve is sleeved outside the first electrode, the other end of the separation sleeve is sleeved outside the air inlet pipe, a connection part between the air inlet pipe and the core pipe is located in the separation sleeve, an air outlet is arranged on a side surface of the separation sleeve, and the air outlet pipe is communicated with the air outlet.

6. The bipolar air-cooled probe according to claim 4, further comprising an adaptor and a fixing sleeve, wherein the adaptor is sleeved outside the air outlet pipe, at least two clamping pieces are arranged at one end of the adaptor close to the first electrode, the clamping pieces are arranged at intervals along the circumferential direction of the air outlet pipe, external threads are arranged on one side of the clamping pieces away from the air outlet pipe, the fixing sleeve is arranged outside the clamping pieces, the inner diameter of the fixing sleeve is gradually increased along the direction away from the first electrode, and internal threads matched with the external threads are arranged on the inner wall of the fixing sleeve.

7. The bipolar air-cooled probe of claim 4, further comprising a first lead electrically connected to the first electrode and a second lead electrically connected to the second electrode.

8. The bipolar air cooling probe of claim 7, wherein a branch tube is disposed on the handle and communicates with the installation space, the branch tube and the handle form an included angle, and both the first electrode and the second electrode extend out of the handle.

9. The bipolar air cooling probe according to any one of claims 2-8, wherein a first clamping portion and a second clamping portion are sequentially arranged in the installation space along a direction close to the first end of the first electrode, a first matching portion is arranged on the first electrode, a second matching portion is arranged on the second electrode, the first clamping portion is clamped with the first matching portion, and the second clamping portion is clamped with the second matching portion.

10. The bipolar air cooling probe of claim 9, wherein the handle includes a body and a retaining collar, an end of the body threadably engaging the retaining collar, the body including a first section and a second section, the first section and the second section being joined together and enclosing the mounting space.

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