Medical ablation electrode dissector

Abstract

The present invention relates to the technical field of dissectors, and discloses a medical ablation electrode dissector, comprising a handle sleeve, an electric knife head fixedly connected to the handle sleeve, a splicing sleeve fixedly connected to one end of the handle sleeve, a push-pull member slidably connected to an outer sleeve, a guide tube fixedly connected between the splicing sleeve and the outer sleeve, two separators each slidably connected to the push-pull member, and an adhesive sleeve fixedly connected to one end of the guide tube away from the splicing sleeve. The electric knife head passes through the splicing sleeve and the guide tube, and the push-pull member fits the guide tube. The reciprocating motion of the separator is achieved by the sliding connection structure between the push-pull member and the separator, thereby completing active cleaning of the surface of the electric knife head, avoiding splashing of impurities caused by the outward thrust of the traditional push-stripping structure, and the separator adopts an arc structure adapted to the surface contour of the electric knife head, so that the force is evenly distributed during cleaning, thereby improving cleaning accuracy and reducing blind spots in cleaning.

Description

Technical Field

[0001] The present invention relates to the technical field of dissectors, and in particular to a medical ablation electrode dissector. Background Art

[0002] The medical ablation electrode dissector is a minimally invasive surgical device that combines tissue ablation and anatomical separation functions, and uses energy to achieve tissue cutting.

[0003] However, in the existing technology, due to the change in ablation energy power, the tissue will be in a semi-coagulated state. At this time, the tissue protein will be easily denatured to form a sticky film, which will stick to the electrode surface. At the same time, if the energy is too high, the tissue will be quickly carbonized, and the eschar will be loose in texture and have strong adhesion, which will easily stick to the surface of the electrode head, resulting in a reduction in the effective contact area between the electrode and the tissue, affecting energy transfer, and affected by the surgical environment. If the operation is performed in a dry environment, the moisture in the tissue will evaporate quickly, and the dry tissue debris will be more likely to stick to the electrode due to static electricity or mechanical contact. In a high humidity environment, the tissue will swell and may also adhere to the electrode due to close contact. Currently, it mainly relies on manual cleaning with a brush after surgery, or putting the instrument into an ultrasonic cleaning machine for 10-15 minutes to remove residual foreign matter. Therefore, there is also a combination of an electric knife and a stripper. One is to set the electric knife directly on the adsorption tube, and clean it through the negative pressure formed at the adsorption tube during electric cutting. This type of dissector has The problem is that since the relative positions of the electrosurgical knife and the adsorption tube are fixed, it is difficult to adjust the position of the electrosurgical knife during the operation to ensure a good cleaning effect. Another way is to suspend the energy output to avoid accidentally triggering ablation during cleaning, wrap the electrode head with sterile gauze with normal saline, and rotate and wipe it two to three times. This not only requires advance preparation, but also because the gauze is contaminated inside after wiping one circle, it cannot be effectively and quickly thoroughly processed. Another way is to set a pushing and stripping structure in the dissector, and push the stripper to move in a specific area to clean the surface of the dissector. However, during cleaning, the stripper is usually pushed outward to clean the dissector. Although cleaning is done in a specific area, the outward thrust pushes impurities to the outside, which can easily cause impurities to splash, and usually a single cleaning cannot effectively and thoroughly remove them. Usually, quick and multiple pushing and pulling are required, but since impurities are highly sticky, they are easy to adhere to the surface of the glassware, affecting subsequent processing. Summary of the Invention

[0004] The purpose of the present invention is to provide a medical ablation electrode dissector to solve the problem that adhesion on the surface of the dissector cannot be completely and quickly processed.

[0005] The technical solution of the present invention is: a medical ablation electrode dissector, comprising a handle sleeve, and also comprising an electric knife head fixedly connected to the handle sleeve, a splicing sleeve fixedly connected to one end of the handle sleeve, an outer sleeve arranged at one end of the splicing sleeve, a push-pull member slidably connected to the outer sleeve, a guide tube fixedly connected between the splicing sleeve and the outer sleeve, two separators are provided and both are slidably connected to the push-pull member, and an adhesive sleeve fixedly connected to the end of the guide tube away from the splicing sleeve, the electric knife head passes through the splicing sleeve and the guide tube, the push-pull member is in contact with the guide tube, the two separators are symmetrical about the central axis of the electric knife head, the two separators are respectively located on the upper and lower sides of the electric knife head, the separator includes an initial position and a setting position, when the separator is in the initial position, it is in contact with the adhesive sleeve and does not contact the electric knife head, when the separator is in the setting position, it is in contact with the end of the electric knife head away from the handle sleeve, when the push-pull member moves back and forth, the separator is controlled to clean the surface of the electric knife head.

[0006] Furthermore, a straight slot is provided on the side of the outer sleeve away from the handle sleeve, the separator is located inside the straight slot when in the initial position, the electric knife head passes through the straight slot, and a guide slot and a reinforcement slot are provided on the top of the outer sleeve, and the guide slot and the reinforcement slot are interconnected.

[0007] Furthermore, the push-pull member includes a push-pull plate arranged on the outside of the outer sleeve, a ring slidably connected to the outside of the guide tube, two metal strips fixedly connected to the ring, and a sealing plate fixedly connected to the push-pull plate. The metal strip on the right side passes through the guide slot and is fixedly connected to the push-pull plate. The separator is slidably connected to the outside of the metal strip. The push-pull plate, metal strip and sealing plate are all in contact with the outer sleeve.

[0008] Furthermore, inclined surfaces are provided on both left and right sides of the inner portion of the outer sleeve, and an elastic sheet is provided on the outer portion of the sealing sheet away from one end of the push-pull sheet, and the width of the elastic sheet is greater than the width of the reinforcement groove.

[0009] Furthermore, the separator includes a separation plate that is slidably mounted on the outside of the metal strip, a first arc block that is arranged on the outside of the separation plate, a second arc block that is arranged on the inside of the separation plate, and a magnetic block that is fixedly connected to the joint between the separation plate and the metal strip, and the magnetic block is adsorbed on the metal strip. The end of the separation plate away from the handle sleeve is a scraping head, and a scraping groove is provided in the scraping head.

[0010] Furthermore, the end of the electric knife head away from the handle sleeve is the end head. When the separation plate is in the initial position, the distance between the first arc block and the inclined surface is greater than the distance between the scraping head and the end head. When the separation plate is in the set position, the two scraping heads fit together and wrap the electric knife head.

[0011] Furthermore, the guide tube includes an oblique sleeve fixedly connected to the splicing sleeve, and a straight tube fixedly connected to the oblique sleeve, the collar is slidably connected to the outside of the straight tube, the adhesive sleeve is fixedly connected to one end of the straight tube close to the scraping head, and the adhesive sleeve does not contact the collar.

[0012] Furthermore, when the separation plate is in the initial position, the second arc block is fitted with the inclined sleeve, and when the separation plate is in the set position, the first arc block is fitted with the inclined surface, and the right end of the first arc block on the right side is fitted with the left end of the right inclined surface.

[0013] Furthermore, the push-pull sheet, the sealing sheet and the guide slot have the same width, and the push-pull sheet and the sealing sheet always close the guide slot.

[0014] Furthermore, a bevel is set on the side of the scraper head close to the sticky sleeve and the surface is treated with high friction. The distance between the second arc block and the straight tube is equal to the distance between the scraper head and the electric knife head.

[0015] Beneficial effects of the present invention:

[0016] 1. The sliding connection structure between the push-pull part and the separator enables the reciprocating motion of the separator, which can complete the active cleaning of the surface of the electric knife head and improve the continuity of the operation. At the same time, the two symmetrically distributed separators form a closed scraping space after being set and spliced, avoiding the splashing of impurities caused by the outward thrust of the traditional push-and-strip structure. The separator adopts an arc structure that adapts to the surface contour of the electric knife head. The force is evenly distributed during cleaning, which improves the cleaning accuracy and reduces the blind spot of cleaning.

[0017] 2. The inclined surface of the outer sleeve and the inclined sleeve form a two-way guide, so that the first arc block and the second arc block are alternately stressed. The extrusion and fitting structure of the adhesive sleeve and the separator can transfer impurities on the surface of the separator to the inner part of the outer sleeve for temporary storage. The independent cavity design of the outer sleeve can isolate impurities and avoid excessive impurities adhering to the surface of the stripper.

[0018] 3. By setting the push-pull piece on the outside of the handle sleeve, the doctor can complete the cleaning action with one hand, thereby quickly controlling the scraping of the scraper head, the temporary storage of the scraping groove to the transfer to the sticky sleeve, and finally the temporary storage in the outer sleeve, forming a complete impurity treatment closed loop to avoid secondary contamination. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A schematic diagram of the three-dimensional structure of the present invention from a first viewing angle;

[0020] Figure 2 A top view of the handle cover of the present invention;

[0021] Figure 3 For the present invention Figure 2 Cross-sectional view at AA in the middle;

[0022] Figure 4 It is a partial exploded view of the present invention;

[0023] Figure 5 It is a structural schematic diagram of the push-pull member of the present invention;

[0024] Figure 6 It is a structural schematic diagram of the guide tube of the present invention;

[0025] Figure 7 A partial cross-sectional view of the outer sleeve of the present invention;

[0026] Figure 8 This is a state diagram of the separation plate after movement of the present invention;

[0027] Figure 9 This is a state diagram of the separation plate of the present invention when it is in the set position.

[0028] In the picture:

[0029] 1. Handle cover; 2. Electric knife head; 21. End; 3. Splicing sleeve; 4. Outer sleeve; 41. Bevel; 401. Straight slot; 402. Guide slot; 403. Reinforcement slot; 5. Push-pull member; 51. Push-pull plate; 52. Ring; 53. Metal strip; 54. Sealing piece; 541. Elastic sheet; 6. Guide tube; 61. Bevel sleeve; 62. Straight tube; 7. Separator; 71. Separation plate; 711. Scraping head; 701. Scraping slot; 72. First arc block; 73. Second arc block; 74. Magnetic block; 8. Adhesive sleeve. DETAILED DESCRIPTION

[0030] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0031] Reference Figures 1-9, as an embodiment of the present invention, a medical ablation electrode dissector is provided, comprising a handle sleeve 1, an electric knife head 2 fixedly connected to the handle sleeve 1, a splicing sleeve 3 fixedly connected to one end of the handle sleeve 1, an outer sleeve 4 arranged at one end of the splicing sleeve 3, a push-pull member 5 slidably connected to the outer sleeve 4, a guide tube 6 fixedly connected between the splicing sleeve 3 and the outer sleeve 4, two separators 7 are provided and both are slidably connected to the push-pull member 5, and an adhesive sleeve 8 fixedly connected to the end of the guide tube 6 away from the splicing sleeve 3, the electric knife head 2 passes through the splicing sleeve 3 and the guide tube 6, the push-pull member 5 is in contact with the guide tube 6, the two separators 7 are symmetrical about the central axis of the electric knife head 2, and the two separators 7 are respectively located on the upper and lower sides of the electric knife head 2, and the separator 7 includes an initial Initial position and setting position, when the separator 7 is in the initial position, it fits with the sticky sleeve 8 and does not contact the electric knife head 2. When the separator 7 is in the setting position, it fits with the end of the electric knife head 2 away from the handle sleeve 1. When the push-pull member 5 moves back and forth, the separator 7 is controlled to clean the surface of the electric knife head 2. The handle controls the push-pull member 5 to move, so that the separator 7 is continuously converted between the initial position and the setting position, so that the two separators 7 reach the end of the electric knife head 2 away from the handle sleeve 1 and then are spliced ​​together, so that the spliced ​​separator 7 moves from this end to a position close to the handle sleeve 1 to clean the electric knife head 2. The separator 7 returns to the initial position to squeeze the sticky sleeve 8, and uses the sticky sleeve 8 to adhere to the separator 7, so that the sticky impurities are guided to the inside of the outer sleeve 4, and the impurities are actively guided for temporary storage.

[0032] When the tongs 2 are in the working state, the two tongs 7 are in the working state, and the tongs 2 are in the working state, so that the tongs 2 can be cleaned easily.

[0033] Among them, this equipment is for one-time use and destroyed after use, but the splicing sleeve 3, outer sleeve 4, push-pull member 5 and guide tube 6 can be separated and dismantled, retained and cleaned and recycled, and the separator 7 and pressure-bonding sleeve 8 can be destroyed, so that it can be used multiple times.

[0034] Reference Figure 1-Figure 4A straight slot 401 is provided on the side of the outer sleeve 4 away from the handle sleeve 1. When the separator 7 is in the initial position, it is located inside the straight slot 401. The electric knife head 2 passes through the straight slot 401. A guide slot 402 and a reinforcement slot 403 are provided on the top of the outer sleeve 4. The guide slot 402 and the reinforcement slot 403 are interconnected. The handle sleeve 1, the splicing sleeve 3 and the outer sleeve 4 are all insulated.

[0035] Reference Figure 1-Figure 7 The push-pull member 5 includes a push-pull piece 51 arranged on the outside of the outer sleeve 4, a ring 52 slidably connected to the outside of the guide tube 6, two metal strips 53 fixedly connected to the ring 52, and a sealing piece 54 fixedly connected to the push-pull piece 51. The right metal strip 53 passes through the guide slot 402 and is fixedly connected to the push-pull piece 51. The separator 7 is slidably connected to the outside of the metal strip 53. The push-pull piece 51, the metal strip 53 and the sealing piece 54 are all fitted with the outer sleeve 4, so that they are restricted by the outer sleeve 4 to move along a specific path. When the push-pull piece 51 is pushed, the ring 52, the metal strip 53 and the sealing piece 54 will move synchronously. When the metal strip 53 moves, the separator 7 on its outside will move synchronously, thereby controlling the separator 7 to clean the surface of the electric knife head 2.

[0036] Specifically, the guide tube 6 prevents the ring 52 from axial displacement after use, and provides radial support for the ring 52 through sliding contact with the outer wall of the guide tube 6, ensuring that the ring 52 always remains in a stable state. When the operator pushes the push-pull piece 51, the rigid transmission of the right metal strip 53 can achieve synchronous translation of the ring 52, and then the left metal strip 53 moves synchronously. The linear motion of the ring 52 drives the separator 7 to move synchronously, and the separator 7 is guided by the outer sleeve 4 and the guide tube 6 when moving, and switches between the initial position and the set position.

[0037] Reference Figure 2-Figure 6 , inclined surfaces 41 are provided on both sides of the inner part of the outer sleeve 4, and an elastic sheet 541 is provided on the outside of the sealing piece 54 away from the push-pull piece 51. The width of the elastic sheet 541 is greater than the width of the reinforcement groove 403. When the sealing piece 54 moves back with the push-pull piece 51, the elastic sheet 541 will be squeezed and deformed by the reinforcement groove 403, thereby locking in the reinforcement groove 403, so that the position of the sealing piece 54 is fixed, and then the separator 7 is also fixed at this time.

[0038] Specifically, the reinforcement groove 403 is a rectangular groove, and the edge of the groove is chamfered at the transition point to facilitate the smooth entry of the elastic sheet 541. Since the sealing sheet 54 forms a rigid connection with the metal strip 53 and the push-pull sheet 51, after the sealing sheet 54 is fixed, the position of the metal strip 53 is also fixed, and then the separator 7 is stably maintained in the initial position through the sliding connection between the metal strip and the separator 7. The operating force of the locking structure is moderate, and the operator can apply a thrust with the thumb to overcome the locking force of the elastic sheet 541, so that the elastic sheet 541 is separated from the reinforcement groove 403 and the locked state is released. At the same time, a sudden change in resistance can be felt when locking, which is convenient for the operator to judge whether the separator 7 is in a fixed state.

[0039] Reference Figure 2-Figure 7 The separator 7 includes a separation plate 71 slidably sleeved on the outside of the metal strip 53, a first arc block 72 arranged on the outside of the separation plate 71, a second arc block 73 arranged on the inside of the separation plate 71, and a magnetic block 74 fixedly connected to the joint between the separation plate 71 and the metal strip 53. The magnetic block 74 is adsorbed on the metal strip 53, so that the separator 7 as a whole is in a stable state when there is no external force. The end of the separation plate 71 away from the handle sleeve 1 is a scraper head 711, which is used to clean the electric knife head 2. A scraping groove 701 is provided in the scraper head 711. When cleaning, the electric knife head 2 faces downward, and the push-pull sheet 51 is pushed and pulled quickly to cause impurities to accumulate in the scraping groove 701, which is then adhered by the adhesive sleeve 8.

[0040] Specifically, the first arc block 72 and the second arc block 73 are respectively pressed in the initial position when they are set, thereby changing the position of the separation plate 71, causing the separation plate 71 to move left and right. When the separation plate 71 moves with 53, the first arc block 72 will be blocked and squeezed by the inclined surface 41 and move, while the second arc block 73 is guided and squeezed by the guide tube 6 and reset and moved back, thereby controlling the two scraping heads 711 to fit together when they are in the set position, thereby fully processing the surface of the electric knife head 2. When the separator 7 moves with the metal strip 53 and reaches the set position, the first arc block 72 will gradually be squeezed by the inclined surface 41 inside the outer sleeve 4. Due to the inclination angle of the inclined surface 41, the component force generated by the squeezing will push the separation plate 71 to move closer to the electric knife head 2, and at the same time When the separator 7 moves from the set position to the initial position, the second arc block 73 begins to be squeezed by the guide tube 6. There is no obstruction above the first arc block 72, and the outer wall of the guide tube 6 is inclined. The squeezing of the second arc block 73 will generate a component force for the return movement, pushing the separation plate 71 to move, ensuring that the separation plate 71 can accurately return to the initial position, and at the same time cooperate with the adhesive sleeve 8 to adsorb the moving scraper 711.

[0041] Reference Figure 2-Figure 7 The end of the electric knife head 2 away from the handle sleeve 1 is the end 21. When the separation plate 71 is in the initial position, the distance between the first arc block 72 and the inclined surface 41 is greater than the distance between the scraping head 711 and the end 21, thereby preventing the scraping head 711 from moving before reaching the end 21. Usually, the distance between the first arc block 72 and the inclined surface 41 is greater than the length of the distance between the scraping head 711 and the end 21, and can be the length of one scraping head 711, thereby preventing impurities from being pushed to the outside by the rapid thrust. When the separation plate 71 is in the set position, the two scraping heads 711 fit together and wrap the electric knife head 2, forming an arc structure that completely matches the contour of the end 21, so that the surface of the electric knife head 2 can be fully processed.

[0042] Reference Figures 1-8 The guide tube 6 includes an oblique sleeve 61 fixedly connected to the splicing sleeve 3, and a straight tube 62 fixedly connected to the oblique sleeve 61. The ring 52 is slidably connected to the outside of the straight tube 62. The adhesive sleeve 8 is fixedly connected to one end of the straight tube 62 close to the scraper head 711. The adhesive sleeve 8 does not contact the ring 52, making disassembly more convenient. The adhesive sleeve 8 can be medical high-viscosity silicone, which can ensure sufficient adsorption force to remove impurities on the surface of the separator 7.

[0043] Reference Figures 1-9 When the separation plate 71 is in the initial position, the second arc block 73 is in contact with the inclined sleeve 61. When the separation plate 71 is in the setting position, the first arc block 72 is in contact with the inclined surface 41, and the right end of the first arc block 72 on the right side is in contact with the left end of the inclined surface 41 on the right side. This can effectively limit the maximum moving distance of the separation plate 71 in the setting position, prevent the separation plate 71 from moving excessively, and cause excessive pressure between the scraping head 711 and the electric knife head 2, thereby avoiding damage to the electric knife head 2.

[0044] Reference Figures 1-9 The widths of the push-pull piece 51, the sealing piece 54 and the guide slot 402 are equal, so that the push-pull piece 51 and the sealing piece 54 always close the guide slot 402, preventing the inside of the outer tube 4 from being contaminated, and effectively preventing tissue fluid, physiological saline and other liquids during the operation from entering the inside of the instrument through the guide slot 402.

[0045] Reference Figures 1-9 The scraper head 711 is provided with an angled surface on the side close to the sticky sleeve 8 and the surface is treated with high friction, thereby enhancing the cleaning effect of the scraper head 711 on the electric knife head 2. The distance between the second arc block 73 and the straight tube 62 is equal to the distance between the scraper head 711 and the electric knife head 2. When the scraper head 711 is in contact with the electric knife head 2, the second arc block 73 is in contact with the straight tube 62, thereby ensuring stability when the scraper head 711 moves back.

[0046] The working principle of the present invention is as follows: when tissue adhesion appears on the surface of the electric knife head 2 and needs to be cleaned, the thrust is transmitted to the metal strip 53 and the sealing piece 54 through the push-pull piece 51, thereby overcoming the locking force of the elastic piece 541, causing the sealing piece 54 to detach from the reinforcement groove 403, driving the ring 52 to slide along the straight guide tube 62, and realizing the translation of the push-pull piece 5 as a whole along the guide groove 402 of the outer sleeve 4. The linear motion of the metal strip 53 causes the two separation plates 71 to move synchronously toward the end 21 of the electric knife head 2. During the movement of the separator 7 toward the set position, when the scraper head 711 approaches the end 21 of the electric knife head 2, the first arc block 72 begins to contact the inclined surface 41 of the outer sleeve 4. Since the inclined surface 41 is inclined, the squeezing force of the first arc block 72 generates a lateral component force, which pushes the separation plate 71 to overcome the adsorption force of the magnetic block 74 and move closer to the electric knife head 2. When the separator 7 reaches the set position, the right end of the first arc block 72 on the right side is precisely docked with the left end of the inclined surface 41 on the right side, and the scraper heads 711 of the two separation plates 71 are tightly fitted together to form a The arc-shaped structure with matching contour of the end 21 completely wraps the electric knife head 2. At this time, the operator pulls the push-pull member 5 in the opposite direction, and the assembled scraper head 711 moves back toward the proximal end along the surface of the electric knife head 2. The sticky film, eschar, tissue debris, and impurities are temporarily stored in the scraping groove 701 of the scraper head 711. During the entire cleaning process, the sealing piece 54 of the push-pull member 5 always closes the guide groove 402 to prevent impurities from entering the interior of the instrument. After cleaning is completed, the separator 7 continues to move to the initial position, and the second arc block 73 gradually contacts the oblique sleeve 61 of the guide tube 6. The outer wall of the oblique sleeve 61 produces a reverse component of force on the extrusion force of the arc block, causing the scraper head 711 to separate from the electric knife head 2. When the separation plate 71 returns to its initial position, the scraper head 711 squeezes the sticky sleeve 8 and transfers the impurities in the scraper groove 701 to the sticky sleeve 8, thereby temporarily storing them inside the outer sleeve 4. At the same time, the elastic sheet 541 is again inserted into the reinforcement groove 403 to complete the locking. The adsorption force between the magnetic block 74 and the metal strip 53 is restored to stability, and the entire instrument returns to its initial state. A single cleaning cycle can be completed quickly, and repeated two to three times can achieve thorough cleaning of the electric knife head 2.

[0047] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. A medical ablation electrode dissector, comprising a handle sleeve (1), characterized in that: The invention also includes an electric knife head (2) fixedly connected to the handle sleeve (1), a splicing sleeve (3) fixedly connected to one end of the handle sleeve (1), an outer sleeve (4) arranged at one end of the splicing sleeve (3), a push-pull member (5) slidably connected to the outer sleeve (4), a guide tube (6) fixedly connected between the splicing sleeve (3) and the outer sleeve (4), two separators (7) both slidably connected to the push-pull member (5), and a sticky sleeve (8) fixedly connected to one end of the guide tube (6) away from the splicing sleeve (3). The electric knife head (2) passes through the splicing sleeve (3) and the guide tube (6). The push-pull member (5) is fitted with the guide tube (6), the two separators (7) are symmetrical about the central axis of the electric knife head (2), the two separators (7) are respectively located on the upper and lower sides of the electric knife head (2), the separators (7) include an initial position and a setting position, when the separators (7) are in the initial position, they are fitted with the adhesive sleeve (8) and do not contact the electric knife head (2), when the separators (7) are in the setting position, they are fitted with the end of the electric knife head (2) away from the handle sleeve (1), when the push-pull member (5) moves back and forth, the separators (7) are controlled to clean the surface of the electric knife head (2); By controlling the push-pull member (5) to move back and forth, the separator (7) can be driven to quickly switch between the initial position and the set position. When the separator (7) moves from the set position to the initial position, the inner wall of the assembled separator (7) slides along the surface of the electric knife head (2) toward the proximal end to perform scraping and cleaning. When returning to the initial position, the outer wall of the separator (7) squeezes the sticky sleeve (8), and the adsorption force generated by the elastic deformation of the silicone sleeve transfers impurities on the surface of the sticky separator (7) to the inside of the outer sleeve (4).

2. The medical ablation electrode dissector according to claim 1, characterized in that: A straight slot (401) is provided on a side of the outer sleeve (4) away from the handle sleeve (1); the separator (7) is located inside the straight slot (401) when in the initial position; the electric knife head (2) passes through the straight slot (401); a guide slot (402) and a reinforcement slot (403) are provided on the top of the outer sleeve (4); the guide slot (402) and the reinforcement slot (403) are interconnected.

3. The medical ablation electrode dissector according to claim 2, characterized in that: The push-pull member (5) includes a push-pull piece (51) arranged outside the outer sleeve (4), a ring (52) slidably connected to the outside of the guide tube (6), two metal strips (53) fixedly connected to the ring (52), and a sealing piece (54) fixedly connected to the push-pull piece (51). The metal strip (53) on the right side passes through the guide slot (402) and is fixedly connected to the push-pull piece (51). The separator (7) is slidably connected to the outside of the metal strip (53). The push-pull piece (51), the metal strip (53) and the sealing piece (54) are all in contact with the outer sleeve (4).

4. The medical ablation electrode dissector according to claim 3, characterized in that: The left and right sides of the inner portion of the outer sleeve (4) are both provided with inclined surfaces (41), and the outer portion of the sealing piece (54) away from the push-pull piece (51) is provided with an elastic piece (541), the width of the elastic piece (541) being greater than the width of the reinforcement groove (403).

5. The medical ablation electrode dissector according to claim 4, characterized in that: The separator (7) comprises a separation plate (71) slidably sleeved on the outside of the metal strip (53), a first arc block (72) arranged on the outside of the separation plate (71), a second arc block (73) arranged on the inside of the separation plate (71), and a magnetic block (74) fixedly connected to the joint between the separation plate (71) and the metal strip (53), wherein the magnetic block (74) is adsorbed on the metal strip (53), and the end of the separation plate (71) away from the handle sleeve (1) is a scraping head (711), and a scraping groove (701) is provided in the scraping head (711).

6. The medical ablation electrode dissector according to claim 5, characterized in that: The end of the electric knife head (2) away from the handle sleeve (1) is the end head (21); when the separation plate (71) is in the initial position, the distance between the first arc block (72) and the inclined surface (41) is greater than the distance between the scraping head (711) and the end head (21); when the separation plate (71) is in the set position, the two scraping heads (711) fit together and wrap the electric knife head (2).

7. The medical ablation electrode dissector according to claim 5, characterized in that: The guide tube (6) comprises an oblique sleeve (61) fixedly connected to the splicing sleeve (3), and a straight tube (62) fixedly connected to the oblique sleeve (61); the collar (52) is slidably connected to the outside of the straight tube (62); the adhesive sleeve (8) is fixedly connected to one end of the straight tube (62) close to the scraping head (711); and the adhesive sleeve (8) does not contact the collar (52).

8. The medical ablation electrode dissector according to claim 7, characterized in that: When the separation plate (71) is located at the initial position, the second arc block (73) is in contact with the inclined sleeve (61); when the separation plate (71) is located at the set position, the first arc block (72) is in contact with the inclined surface (41), and the right end of the first arc block (72) on the right side is in contact with the left end of the inclined surface (41) on the right side.

9. The medical ablation electrode dissector according to claim 4, characterized in that: The push-pull sheet (51), the sealing sheet (54) and the guide slot (402) have equal widths, and the push-pull sheet (51) and the sealing sheet (54) always close the guide slot (402).

10. The medical ablation electrode dissector according to claim 5, characterized in that: The scraping head (711) is provided with an oblique angle on one side close to the sticky sleeve (8) and has a high friction surface treatment, and the distance between the second arc block (73) and the straight tube (62) is equal to the distance between the scraping head (711) and the electric knife head (2).

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