Telescopic ablation electrode with auxiliary rotation device

Abstract

The present disclosure relates to a telescopic ablation electrode with an auxiliary rotating device, and relates to the technical field of medical devices, comprising a handle shell, a catheter, an auxiliary rotating device and an electrode, the handle shell is internally hollow, the electrode can be inserted therein, the auxiliary rotating device is arranged at one end of the handle shell and can be selectively connected with the electrode, the catheter is arranged in the handle shell and is sleeved on the end of the electrode, and a reserved stroke is arranged, the auxiliary rotating device comprises an inner core clamp, a rotating impeller and a handle sleeve seat, the inner core clamp is sleeved on the electrode, the handle sleeve seat is fixedly arranged at the end of the handle shell, and the rotating impeller is coaxially arranged between the handle sleeve seat and the inner core clamp. Through the above technical scheme, the electrode can axially telescope in the reserved stroke in the catheter, axial movement of the rotating impeller can control the clamp arm to clamp or release the electrode, the switching of the electrode telescoping and rotating functions can be quickly realized, the operation steps are simple, the risk of accidental injury is reduced, the universality is good, and the operation stability and treatment accuracy are effectively improved.

Description

Technical Field

[0001] This disclosure relates to the field of medical device technology, and more specifically, to a telescopic ablation electrode with an auxiliary rotation device. Background Technology

[0002] In minimally invasive laparoscopic surgery, ablation electrodes can be inserted into the patient's body using high-temperature, low-temperature, or radiofrequency energy to precisely destroy abnormal or diseased tissues, achieving therapeutic goals. However, surgeons operating ablation electrodes must frequently adjust their wrist angles to accommodate complex procedures, easily leading to muscle fatigue and soreness. Furthermore, the narrow operating space of the ablation electrodes increases the risk of accidentally damaging nearby arteries with their high-energy current, causing unpredictable bleeding and increasing surgical complexity and risk. The individual differences in patient physiques also necessitate varying requirements for the operating environment and dimensions of surgical instruments.

[0003] In related technologies, ablation electrodes are typically of two types: telescopic and rotary. Telescopic electrodes have an adjustable rod length, making them suitable for work environments where the instrument length needs to be adapted. Rotary electrodes allow the direction of the electrode to be rotated, enabling the instrument to flexibly change its working direction in complex surgical environments. However, existing ablation electrodes often cannot combine both telescopic and rotary functions, or the adjustment methods for the electrode rod relative to the rod structure or handle buttons are too complex, making it impossible for the electrode rod to flexibly switch between telescopic and rotary modes, resulting in poor practical effects. Utility Model Content

[0004] The purpose of this disclosure is to provide a telescopic ablation electrode with an auxiliary rotation device to at least partially solve the problems existing in the above-mentioned related technologies.

[0005] To achieve the above objectives, this disclosure provides a telescopic ablation electrode with an auxiliary rotation device, comprising: a handle housing, hollow inside, with an auxiliary rotation device at one end of the handle housing; an electrode, at least partially inserted into the handle housing, configured to selectively connect with the auxiliary rotation device; and a conduit, disposed within the handle housing along the axial direction and sleeved on the end of the electrode, the conduit having a reserved travel length to allow the electrode to move along its interior. The auxiliary rotation device includes an inner core clamp, a rotating impeller, and a handle sleeve. The electrode is located at the end of the handle housing, and the rotating impeller is coaxially disposed between the handle sleeve and the inner core clamp. The electrode is configured to pass through the inner core clamp, the rotating impeller and the handle sleeve in sequence along the axial direction to be inserted into the interior of the handle housing. The rotating impeller is configured to be movable along the axial direction of the inner core clamp. The inner core clamp includes a clamp arm, which is configured to clamp the electrode when the rotating impeller moves toward the inner core clamp to a preset position, and to release the electrode when the rotating impeller resets in a direction away from the inner core clamp.

[0006] Optionally, the opening of the handle sleeve is configured as a stepped structure, the handle sleeve is fixedly connected to the end of the handle housing, and the ends of the handle sleeve and the handle housing are configured as contoured components with the same outline; the inner core clamp also includes a plurality of sleeve brackets extending in the axial direction, one end of the sleeve bracket is fixedly connected to the inner core clamp, and the other end is engaged with the stepped opening of the handle sleeve, and the rotating impeller is configured to be able to move axially between the handle sleeve and the inner core clamp along the sleeve bracket.

[0007] Optionally, the number of clamp arms is set to multiple, and the multiple clamp arms are evenly spaced along the circumferential direction of the inner core clamp, and the multiple sleeve brackets are configured to be evenly spaced along the circumferential direction of the inner core clamp within the interval of the multiple clamp arms.

[0008] Optionally, the number of clamp arms and the number of sleeve brackets are each set to three, and the plurality of clamp arms and the plurality of sleeve brackets are respectively configured to be arranged at 60° intervals along the circumference of the inner core clamp.

[0009] Optionally, the inner wall of the rotating impeller is provided with an internal thread, and one end of the rotating impeller is configured as a trumpet-shaped opening that gradually narrows in the axial direction away from the inner core clamp; the outer wall surface of the clamp arm is provided with an external thread, and the rotating impeller is threadedly connected to the clamp arm, wherein the trumpet-shaped opening of the rotating impeller is configured to tighten multiple clamp arms when the rotating impeller is screwed into the clamp arm along the axial thread, and to loosen multiple clamp arms when the rotating impeller is screwed out relative to the clamp arm along the axial thread.

[0010] Optionally, the end of the clamp arm is provided with a clamp head, which abuts against the inner wall of the flared opening, and is used to squeeze the electrode when the clamp arm is tightened radially so that the electrode is connected to the inner core clamp.

[0011] Optionally, a sealing valve is also included, located at the other end of the handle housing away from the auxiliary rotation device, the sealing valve being sealed to the conduit, and the conduit being configured to selectively connect to an external pipeline via the sealing valve.

[0012] Optionally, a stop portion is provided inside the handle housing, the conduit is abutted against the stop portion, and the cavity between the conduit and the stop portion is set as the reserved stroke of the electrode.

[0013] Optionally, a drum spring is also provided inside the conduit, and one end of the electrode located inside the conduit is elastically connected to the drum spring, and the electrode is configured to be electrically connected to the conduit through the drum spring.

[0014] Optionally, the end of the electrode is configured as any one of hook, knife, shovel, or bent needle type, and the end of the electrode is integrally formed with the electrode, and the outer wall of the electrode is covered with an insulating heat shrink tubing.

[0015] Through the above technical solution, this application sets a catheter with a reserved stroke in the handle housing to realize the axial extension and retraction of the electrode. At the same time, it is equipped with an auxiliary rotation device. By relying on the axial movement of the rotating impeller, the clamp arm is controlled to clamp or release the electrode, which can quickly complete the switching between extension and rotation functions. The operation steps are simple, which can solve the defects of existing ablation electrodes that cannot have extension and rotation functions at the same time, or the adjustment of the two modes is complicated. The posture of the electrode after extension or rotation can be adjusted at any time, reducing the risk of electrode accidental injury, reducing the difficulty and safety hazards of surgical operation, and has good versatility, effectively improving the stability and treatment accuracy of minimally invasive surgery.

[0016] Other features and advantages of this disclosure will be described in detail in the following detailed description section. Attached Figure Description

[0017] The accompanying drawings are provided to further illustrate the present disclosure and form part of the specification. They are used together with the following detailed description to explain the present disclosure, but do not constitute a limitation thereof. In the drawings:

[0018] Figure 1 This is a schematic diagram of a telescopic ablation electrode with an auxiliary rotation device, according to an exemplary embodiment.

[0019] Figure 2 This is a schematic diagram of the structure of a telescopic ablation electrode according to an exemplary embodiment.

[0020] Figure 3 This is a schematic diagram of the auxiliary rotation device in the state where the clamp arm is not clamping the electrode, according to an exemplary embodiment.

[0021] Figure 4 This is a schematic diagram of the structure of a portion of the auxiliary rotating device in the state of the clamp arm clamping the electrode, according to an exemplary embodiment.

[0022] Figure 5 This is a schematic diagram of the inner core clamp according to an exemplary embodiment.

[0023] Explanation of reference numerals in the attached figures:

[0024] 1-Handle housing, 12-Stop, 13-Button, 2-Electrode, 21-End, 22-Insulating heat shrink tubing, 3-Auxiliary rotating device, 31-Inner core clamp, 311-Clamp arm, 3111-Clamp head, 312-Sleeve bracket, 313-External thread, 32-Rotating impeller, 321-Internal thread, 322-Flare-shaped end, 323-Anti-slip part, 33-Handle sleeve, 331-Opening, 4-Conduit, 41-Drum spring, 5-Sealing valve, 6-External pipeline. Detailed Implementation

[0025] The specific embodiments of this disclosure will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are for illustration and explanation only and are not intended to limit this disclosure.

[0026] In this disclosure, unless otherwise stated, directional terms such as "upper," "lower," "top," and "bottom" generally refer to the upper and lower, top and bottom of the relevant components in actual use. "Inner" and "outer" refer to the inner and outer sides of the relevant components relative to the actual contour. Furthermore, the terms "first," "second," etc., used in this disclosure are for distinguishing one element from another and do not have sequential or importance implications.

[0027] This disclosure provides a telescopic ablation electrode with an auxiliary rotation device, see reference. Figures 1 to 5The device includes a handle housing 1, an electrode 2, an auxiliary rotating device 3, and a conduit 4. The handle housing 1 is hollow inside. The auxiliary rotating device 3 is located at one end of the handle housing 1. The electrode 2 can be at least partially inserted into the handle housing 1 and can be selectively connected to the auxiliary rotating device 3. The conduit 4 is located inside the handle housing 1 along the axial direction and is sleeved on the end of the electrode 2. The conduit 4 has a reserved stroke to allow the electrode 2 to move along the inside of the conduit 4. The auxiliary rotating device 3 includes an inner core clamp 31, a rotating impeller 32, and a handle sleeve 33. The inner core clamp 31 is sleeved on the electrode 2, and the handle sleeve... The seat 33 is fixedly disposed at the end of the handle housing 1. The rotating impeller 32 is coaxially disposed between the handle sleeve seat 33 and the inner core clamp 31. The electrode 2 is configured to pass through the inner core clamp 31 in sequence along the axial direction. The rotating impeller 32 and the handle sleeve 33 are inserted into the handle housing 1. The rotating impeller 32 is configured to be able to move along the axial direction of the inner core clamp 31. The inner core clamp 31 includes a clamp arm 311. The clamp arm 311 is configured to clamp the electrode 2 when the rotating impeller 32 moves toward the inner core clamp 31 to a preset position, and to release the electrode 2 when the rotating impeller 32 resets in a direction away from the inner core clamp 31.

[0028] In the above embodiments, the hollow handle housing 1 provides a stable installation space for internal components such as the electrode 2 and the conduit 4, resulting in a high degree of overall structural integration. The inner core clamp 31 in the auxiliary rotating device 3 is fitted onto the electrode 2, and selective connection can be formed through the contact state between the clamp arm 311 and the electrode 2. Specifically, when the rotating impeller 32 moves axially along the clamp arm 311 of the inner core clamp 31, the contact state between the clamp arm 311 and the electrode 2 can be changed. When the rotating impeller 32 moves towards the inner core clamp 31 to a preset position, the two are in contact; when the rotating impeller 32 returns to its original position away from the inner core clamp 31, the two are separated.

[0029] It should be noted that when the inner core clamp 31 is tightly fitted to the electrode 2 via the clamp arm 311, the inner core clamp 31, the rotating impeller 32, and the electrode 2 are connected and can rotate synchronously. At this time, simply turning the rotating impeller 32 will drive the electrode 2 to rotate via the inner core clamp 31. The reserved travel within the catheter 4 can meet the extension and retraction adjustment requirements of the electrode 2. When the clamp arm 311 of the inner core clamp 31 is separated from the electrode 2, the electrode 2 is relatively free in the axial direction. At this time, the electrode 2 can be pulled in the axial direction to adjust the extension and retraction length of the electrode 2, which can adapt to different working conditions. The auxiliary rotating device 3 has good stability in its cooperation with the electrode 2, and can realize flexible switching between the extension and rotation states of the electrode 2, improving the adaptability of the ablation electrode.

[0030] Through the above technical solution, this application sets a conduit 4 with a reserved stroke in the handle housing 1 to realize the axial extension and retraction of the electrode 2. At the same time, it is equipped with an auxiliary rotation device 3. By relying on the axial movement of the rotating impeller 32 to control the clamping arm 311 to clamp or release the electrode 2, the extension and rotation functions can be quickly switched. The operation steps are simple, which can solve the defects of existing ablation electrodes that cannot have extension and rotation functions at the same time, or the two modes are complicated to switch and adjust. The posture of the electrode 2 after extension or rotation can be adjusted at any time, reducing the risk of accidental injury, reducing the difficulty and safety hazards of surgical operation, and has good versatility, effectively improving the stability and treatment accuracy of minimally invasive surgery.

[0031] In some embodiments, refer to Figures 1 to 5 The opening 331 of the handle sleeve 33 can be configured as a stepped structure. The handle sleeve 33 and the end of the handle housing 1 can be fixedly connected. The ends of the handle sleeve 33 and the handle housing 1 can be configured as contoured components with the same outline. The inner core clamp 31 can also include a plurality of sleeve brackets 312 extending in the axial direction. One end of the sleeve bracket 312 can be fixedly connected to the inner core clamp 31, and the other end can be engaged with the stepped opening 331 of the handle sleeve 33. The rotating impeller 32 can move axially between the handle sleeve 33 and the inner core clamp 31 along the sleeve bracket 312.

[0032] In the above embodiment, the handle sleeve 33 and the end of the handle housing 1 are fitted with a contoured structure, which can improve the fit and assembly accuracy of the connection between the two, reduce the assembly gap, and ensure the sealing and stability of the overall structure. The stepped opening 331 can provide a stable locking and limiting base for the sleeve bracket 312, realizing the positioning and fixing of the inner core clamp 31 relative to the handle sleeve 33, and preventing displacement and shaking during operation. The sleeve bracket 312 can provide a regular axial movement track for the rotating impeller 32, restricting the movement trajectory of the rotating impeller 32, allowing the rotating impeller 32 to slide smoothly only along the axial direction, ensuring the smooth and orderly operation of electrode clamping and releasing actions.

[0033] In other embodiments, refer to Figures 1 to 5 The outer wall of the rotating impeller 32 can be provided with multiple anti-slip parts 323. The anti-slip parts 323 can be protruding outward from the outer wall surface of the rotating impeller 32, and the anti-slip parts 323 can be evenly spaced along the circumference of the rotating impeller 32 to form an anti-slip area. When the rotating impeller 32 is connected to the inner core clamp 31, the rotating impeller 32 can be rotated through the anti-slip parts 323 to adjust the orientation of the end 21 of the electrode 2. The anti-slip parts 323 can increase the friction of the surface of the rotating impeller 32, prevent the rotating impeller 32 from slipping off the hand when it rotates, and improve the adjustment accuracy of the rotating impeller 32.

[0034] In some embodiments, refer to Figures 1 to 5The number of clamp arms 311 can be set to multiple, and the multiple clamp arms 311 can be evenly spaced along the circumferential direction of the inner core clamp 31. The multiple sleeve brackets 312 can be evenly spaced along the circumferential direction of the inner core clamp 31 within the interval of the multiple clamp arms 311.

[0035] In the above embodiment, the structure of multiple clamping arms 311 arranged evenly in the circumference can form a uniform clamping force when clamping the electrode 2, so that the electrode 2 is subjected to balanced force, reducing local compression deformation and better ensuring the fixation stability of the electrode 2. The sleeve bracket 312 is arranged in the interval area of ​​the clamping arms 311, which can make reasonable use of the structural space, avoid interference between the components, and realize functional zoning layout. While ensuring the axial guiding function, it does not affect the radial tightening action of the clamping arms 311, improving the compactness and rationality of the overall structure.

[0036] In some embodiments, refer to Figures 1 to 5 The number of clamp arms 311 and sleeve brackets 312 can be set to three each, and the multiple clamp arms 311 and multiple sleeve brackets 312 can be configured to be arranged at 60° intervals along the circumference of the inner core clamp 31.

[0037] In the above embodiment, the three sets of clamp arms 311 and the three sets of connecting brackets 312 are arranged at 60° circumferential intervals, forming a symmetrical and balanced force-bearing structure, improving the uniformity of clamp clamping and the stability of guiding sliding. This circumferentially uniformly spaced arrangement can effectively distribute the force load during operation, reduce the force load on individual components, slow down the wear rate of parts, and extend the overall service life of the device. At the same time, the regular arrangement facilitates batch processing and assembly, improving production adaptability.

[0038] In some embodiments, refer to Figures 1 to 5 The inner wall of the rotating impeller 32 may be provided with an internal thread 321. One port of the rotating impeller 32 may be provided with a flared opening 322 that gradually narrows in the axial direction away from the inner core clamp 31. The outer wall surface of the clamp arm 311 may be provided with an external thread 313. The rotating impeller 32 is threadedly connected to the clamp arm 311. The flared opening 322 of the rotating impeller 32 can tighten multiple clamp arms 311 when the rotating impeller 32 is screwed into the clamp arm 311 along the axial thread, and loosen multiple clamp arms 311 when the rotating impeller 32 is screwed out along the axial thread relative to the clamp arm 311.

[0039] In the above embodiment, the rotating impeller 32 and the clamping arm 311 adopt a threaded engagement structure, which can precisely control the axial feed stroke through rotation, realize fine adjustment of clamping force, and adapt to the clamping and fixing requirements of electrodes 2 of different specifications. The trumpet-shaped constriction 322 can use the squeezing action of the conical structure to smoothly squeeze multiple clamping arms 311 radially close during the screwing process, thereby completing the clamping and fixing of the electrode 2. When screwing out, the squeezing force can be released, realizing the elastic reset of the clamping arms 311 and the release of the electrode 2. The threaded adjustment structure is simple to operate, has moderate adjustment accuracy, good structural reliability, and is convenient for medical staff to operate.

[0040] In some embodiments, refer to Figures 1 to 5 The end of the clamp arm 311 may be provided with a clamp head 3111, which may abut against the inner wall of the flared opening 322, and is used to squeeze the electrode 2 when the clamp arm 311 is tightened radially so that the electrode 2 is connected to the inner core clamp 31.

[0041] In the above embodiment, the clamp head 3111 at the end of the clamp arm 311 can increase the contact area with the inner wall of the flared opening 322, making the compressive force more uniform and stable, and avoiding stress concentration at a single point that could cause component wear. The clamp head 3111's contact and compression locks and fixes the electrode 2, improving the firmness of the electrode 2 clamping and reducing the possibility of loosening or slipping during rotation, thus better ensuring the stability and accuracy of the ablation operation.

[0042] In some embodiments, refer to Figures 1 to 5 The present disclosure also includes a sealing valve 5, which can be disposed at the other end of the handle housing 1 away from the auxiliary rotating device 3. The sealing valve 5 is sealably connected to the conduit 4, and the conduit 4 can be selectively connected to the external pipeline 6 through the sealing valve 5.

[0043] In the above embodiment, the sealing valve 5 is located at the end of the handle housing 1, forming a stable sealing fit with the conduit 4. This effectively improves the sealing performance of the handle housing 1, preventing external impurities or moisture from entering the internal structure. Simultaneously, the sealing valve 5 allows for selective on / off connection between the conduit 4 and the external pipeline 6, facilitating the connection to external pipelines 6 for flushing or air supply as needed, thereby increasing the operational functionality of the ablation electrode and enhancing the practicality of the device.

[0044] In some embodiments, refer to Figures 1 to 5 The handle housing 1 may be provided with a stop part 12, and the guide tube 4 may be abutted against the stop part 12. The cavity between the guide tube 4 and the stop part 12 may be provided as a reserved stroke for the electrode 2.

[0045] In the above embodiment, the stop portion 12 inside the handle housing 1 can provide stable limiting support for the guide tube 4, restricting the installation position of the guide tube 4 and preventing displacement of the guide tube 4 during operation. The cavity formed between the stop portion 12 and the guide tube 4 serves as a reserved extension stroke for the electrode 2, which can regulate the extension and retraction range of the electrode 2, prevent excessive extension and retraction of the electrode 2 from causing structural collision damage, and at the same time, it can adapt to the usage requirements of different working depths, improving the adaptability of the device to different working conditions.

[0046] In some embodiments, refer to Figures 1 to 5 A drum spring 41 may also be provided inside the conduit 4. One end of the electrode 2 located inside the conduit 4 may be elastically connected to the drum spring 41, and the electrode 2 may be electrically connected to the conduit 4 through the drum spring 41.

[0047] In the above embodiment, the drum spring 41 arranged inside the conduit 4 can provide elastic support for the electrode 2, buffer the extension and contraction of the electrode 2 and the vibration and impact during operation, and improve the stability of the electrode 2 operation. At the same time, the drum spring 41 can realize a stable electrical connection between the electrode 2 and the conduit 4, ensure the continuity and stability of the conductive path, reduce operation failures caused by poor contact, and better meet the conductivity requirements of ablation operations.

[0048] In other embodiments, refer to Figures 1 to 5 The present disclosure may also include a button 13, which may be disposed on the middle side wall of the handle housing 1 and may be electrically connected to the electrode 2. There may be multiple buttons 13, and multiple buttons 13 may control the electrode 2 to perform ablation or coagulation of blood, thereby improving the overall versatility of the device.

[0049] In some embodiments, refer to Figures 1 to 5 The end 21 of electrode 2 can be configured as any one of hook type, knife type, shovel type or bent needle type, and the end 21 of electrode 2 can be integrally formed with electrode 2. The outer wall of electrode 2 can be covered with insulating heat shrink tubing 22.

[0050] In the above embodiments, the electrode tip 21 adopts various molding structures to adapt to different parts or types of ablation surgeries, thus expanding the applicability of the device. The integral molding structure of the tip 21 and the electrode 2 enhances the overall structural strength of the tip, reduces the risk of tip breakage and detachment, and provides good structural stability. The insulating heat-shrink tubing 22 covering the outer wall of the electrode 2 provides good insulation protection, preventing leakage and accidental contact with conductive materials during operation, thereby improving the safety of equipment use.

[0051] The preferred embodiments of this disclosure have been described in detail above with reference to the accompanying drawings. However, this disclosure is not limited to the specific details of the above embodiments. Within the scope of the technical concept of this disclosure, various simple modifications can be made to the technical solutions of this disclosure, and these simple modifications all fall within the protection scope of this disclosure.

[0052] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, this disclosure will not describe the various possible combinations separately.

[0053] Furthermore, various different embodiments of this disclosure can be combined in any way, as long as they do not violate the spirit of this disclosure, they should also be regarded as the content disclosed in this disclosure.

Claims

1. A telescopic ablation electrode with an auxiliary rotation device, characterized in that, include: The handle housing is hollow inside, and an auxiliary rotation device is provided at one end of the handle housing; An electrode, at least partially inserted into the handle housing, is configured to selectively connect to the auxiliary rotation device; A conduit is disposed within the handle housing along the axial direction and sleeved on the end of the electrode. The conduit has a pre-determined travel length to allow the electrode to move along the interior of the conduit. The auxiliary rotation device includes an inner core clamp, a rotating impeller, and a handle sleeve. The inner core clamp is sleeved on the electrode, the handle sleeve is fixedly disposed at the end of the handle housing, and the rotating impeller is coaxially disposed between the handle sleeve and the inner core clamp. The electrode is configured to pass through the inner core clamp, the rotating impeller, and the handle sleeve sequentially along the axial direction to be inserted into the interior of the handle housing. Furthermore, the rotating impeller is configured to move axially along the inner core clamp, the inner core clamp including a clamp arm, the clamp arm being configured to clamp the electrode when the rotating impeller moves toward the inner core clamp to a preset position, and to release the electrode when the rotating impeller resets in a direction away from the inner core clamp.

2. The telescopic ablation electrode with an auxiliary rotation device according to claim 1, characterized in that, The opening of the handle sleeve is configured as a stepped structure, the handle sleeve is fixedly connected to the end of the handle housing, and the ends of the handle sleeve and the handle housing are configured as contoured components with the same outline. The inner core clamp also includes a plurality of sleeve brackets extending in the axial direction. One end of the sleeve bracket is fixedly connected to the inner core clamp, and the other end is engaged with the stepped opening of the handle sleeve. The rotating impeller is configured to be able to move axially between the handle sleeve and the inner core clamp along the sleeve bracket.

3. The telescopic ablation electrode with an auxiliary rotation device according to claim 2, characterized in that, The number of clamp arms is set to multiple, and the multiple clamp arms are evenly spaced along the circumferential direction of the inner core clamp. The multiple sleeve brackets are configured to be evenly spaced along the circumferential direction of the inner core clamp within the interval of the multiple clamp arms.

4. The telescopic ablation electrode with an auxiliary rotation device according to claim 3, characterized in that, The number of clamp arms and the number of sleeve brackets are each set to three, and the plurality of clamp arms and the plurality of sleeve brackets are respectively configured to be arranged at 60° intervals along the circumference of the inner core clamp.

5. The telescopic ablation electrode with an auxiliary rotation device according to claim 3, characterized in that, The inner wall of the rotating impeller is provided with internal threads, and one port of the rotating impeller is configured as a trumpet-shaped opening that gradually narrows in the axial direction away from the inner core clamp. The outer wall surface of the clamp arm is provided with an external thread, and the rotating impeller is threadedly connected to the clamp arm. The flared end of the rotating impeller is configured to tighten multiple clamp arms when the rotating impeller is screwed into the clamp arm along the axial thread, and to loosen multiple clamp arms when the rotating impeller is screwed out of the clamp arm along the axial thread.

6. The telescopic ablation electrode with an auxiliary rotation device according to claim 5, characterized in that, The end of the clamp arm is provided with a clamp head, which abuts against the inner wall of the flared opening, and is used to squeeze the electrode when the clamp arm is tightened radially so that the electrode is connected to the inner core clamp.

7. The telescopic ablation electrode with an auxiliary rotation device according to claim 1, characterized in that, It also includes a sealing valve located at the other end of the handle housing away from the auxiliary rotating device, the sealing valve being sealed to the conduit, and the conduit being configured to selectively connect to an external pipeline via the sealing valve.

8. The telescopic ablation electrode with an auxiliary rotation device according to claim 7, characterized in that, The handle housing has a stop portion inside, the conduit is abutted against the stop portion, and the cavity between the conduit and the stop portion is set as the reserved stroke of the electrode.

9. The telescopic ablation electrode with an auxiliary rotation device according to claim 7, characterized in that, The conduit is also provided with a drum spring, and one end of the electrode located inside the conduit is elastically connected to the drum spring, and the electrode is configured to be electrically connected to the conduit through the drum spring.

10. The telescopic ablation electrode with an auxiliary rotation device according to claim 1, characterized in that, The end of the electrode is configured as any one of hook, knife, shovel or bent needle type, and the end of the electrode is integrally formed with the electrode. The outer wall of the electrode is covered with an insulating heat shrink tubing.

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