Electrocoagulation surgical instruments

Abstract

An embodiment of the present invention discloses an electrocoagulation surgical instrument, which uses a pulling portion and a first operating arm to form a first electrical path, and uses a sheath portion and a second operating arm to form a second electrical path, so as to apply a coagulation current to biological tissue. Thus, on the one hand, the electrocoagulation surgical instrument is configured as a detachable electrocoagulation component and a drive component, which fully utilizes the multiple incisions of laparoscopic surgery, so that the electrocoagulation component and the rod can be respectively inserted into the cavity from different incisions, reducing the size of the wound corresponding to the rod and improving the patient's postoperative recovery speed. On the other hand, during the assembly process of the electrocoagulation component and the drive component, the pulling portion can pull the electrocoagulation component and the drive component toward each other to facilitate the assembly of the two. At the same time, the pulling portion can further pull the first operating arm and the second operating arm closer to each other, so as to realize the electrocoagulation operation of the first operating arm and the second operating arm on the biological tissue, thereby simplifying the surgical operation.

Description

Technical Field

[0001] The present invention relates to the field of medical surgical instruments, and in particular to an electrocoagulation surgical instrument. Background Art

[0002] During laparoscopic surgery, multiple incisions are made in the body to facilitate the coordinated use of instruments such as the endoscope, scalpel, and forceps. For example, an incision on one side allows the forceps to maneuver the tissue within the cavity, exposing the lesion. This allows the scalpel to access the incision on the other side.

[0003] Endoscopic electrocoagulation can be used to stop bleeding in blood vessels and other tissues. However, creating a separate incision to insert the electrocoagulation instrument into the body would increase the patient's pain and slow healing. It would also further constrict the space within the surgical cavity. Reducing the number and size of incisions during electrocoagulation surgery has become a pressing issue. Summary of the Invention

[0004] In view of this, an embodiment of the present invention provides an electrocoagulation surgical instrument, which utilizes a detachable electrocoagulation component and a drive component to reduce the size of the wound on the side where the drive component is inserted, thereby accelerating the healing speed of the wound.

[0005] The electrocoagulation surgical instrument according to the embodiment of the present invention comprises:

[0006] A drive assembly includes a connecting portion, the connecting portion including a hollow rod, the rod including a connecting end; and

[0007] An electrocoagulation assembly includes a sheath portion and a moving portion, wherein the moving portion includes a pulling portion and a first operating arm and a second operating arm arranged in a pair, wherein the second operating arm is arranged on the sheath portion;

[0008] The pulling portion is configured to have one end connected to the first operating arm and the pulling portion and the first operating arm form a first electrical path, and the other end can be operably passed through the rod and pull the sheath portion toward the rod until the connecting end is detachably connected to the sheath portion, so that the rod, the sheath portion and the second operating arm form a second electrical path, and the pulling portion is used to drive the first operating arm close to the second operating arm so that the first electrical path is connected to the second electrical path through biological tissue.

[0009] Furthermore, the pulling portion includes a pulling wire, the pulling wire includes a connecting section and a fixing section, and the connecting section is close to the first operating arm;

[0010] The driving assembly further comprises a fixing portion, which is arranged on a side of the connecting portion away from the electrocoagulation assembly and defines a first channel;

[0011] The fixing section passes through the rod into the first hole and is fixedly connected to the fixing portion. The fixing portion can be operably moved close to or away from the connecting portion to drive the first operating arm to move relative to the second operating arm.

[0012] Furthermore, the first channel is a through hole;

[0013] The pull line also includes a pull section;

[0014] The drive assembly further includes a body;

[0015] One end of the connecting portion away from the connecting end is connected to the body;

[0016] The electrocoagulation surgical instrument has a spliced state, in which the pulling section extends from one end of the first channel away from the connecting section, and pulls the sheath to splice with the connecting end, and the fixing section is located in the first channel.

[0017] Furthermore, the rod is provided with a second hole, and the second hole is a through hole;

[0018] The main body is provided with a first slide, and the fixing part is slidably arranged on the first slide. The fixing part has a first position and a second position in the first slide. In the first position, the fixing part is located at one end of the first slide close to the sheath and the first channel and the second channel extend along the same axis. In the second position, the fixing part is located at one end of the first slide away from the sheath, and the first operating arm approaches the second operating arm and maintains a predetermined distance.

[0019] Further, the first channel and the ports on the opposite side of the second channel have a predetermined distance;

[0020] The fixing portion is provided with a guide cone surface, and the small-diameter end of the guide cone surface is connected to the port of the first channel close to the second channel.

[0021] Furthermore, the fixing portion further includes:

[0022] Positioning parts;

[0023] fixing screws; and

[0024] The base is provided with the first hole and a side hole, the side hole is connected to the first hole and faces the side of the first hole, the side hole has a threaded section and a sliding section in the axial direction, the sliding section is adjacent to the first hole, and the positioning member is slidably disposed on the sliding section;

[0025] The fixing screw is configured to penetrate the threaded section and push the positioning member to move into the first channel to fix the fixing section.

[0026] Furthermore, the body is provided with a window, the window passing through a side wall of one side of the first slideway and having a length direction parallel to the axial direction of the first slideway;

[0027] The head of the fixing screw extends out of the window. In the first position and the second position, the fixing screw moves to the edge position of the window in the length direction respectively.

[0028] Furthermore, the base and the fixing screw are insulating parts;

[0029] The positioning member includes a plurality of connecting handles and a sliding body adapted to the sliding section, wherein the plurality of connecting handles are protrudingly provided on a side of the sliding body away from the fixing screw;

[0030] The fixing portion further includes:

[0031] a plurality of elastic members; and

[0032] a first electrical contact, disposed on the base and comprising an electrical contact surface, wherein the electrical contact surface is protruded in the first hole;

[0033] A plurality of first positioning holes are formed at the bottom of the side hole, the plurality of first positioning holes are arranged on both sides of the first channel, and the plurality of elastic members are respectively arranged in the plurality of first positioning holes;

[0034] The fixing screw is screwed into the threaded section, and the tail of the fixing screw pushes the sliding body close to the electrical contact surface to clamp the fixed section, and the first electrical contact is electrically connected to the fixed section. At the same time, the multiple connecting handles are correspondingly inserted into the multiple first positioning holes and abut against the multiple elastic members.

[0035] Furthermore, the first slideway has a tail port, and the tail port is located on a side of the first slideway away from the sheath;

[0036] The driving assembly further includes a blocking member, which is an insulating member and includes a limiting protrusion, and the limiting protrusion is provided with a third channel;

[0037] The fixing section is located in the first channel, and the pulling section extends to the outside of the body through the tail port;

[0038] The blocking member blocks the tail port, the third channel and the first channel extend along the same axis, and at least a portion of the pulling section is telescopically disposed in the third channel;

[0039] In the second position, the limiting protrusion abuts against the fixing portion.

[0040] Furthermore, the connecting portion includes a first connecting head, which is provided at an end of the rod away from the connecting end;

[0041] The body comprises:

[0042] The accommodating portion is provided with the first slideway,

[0043] a second connector, protruding from one side of the accommodating portion and defining a fourth hole, the fourth hole being in communication with the first slideway;

[0044] The driving assembly further includes a first wire;

[0045] The first connector and the second connector are in a connected state, the fourth channel and the first channel extend along the same axis, and one end of the first wire is electrically connected to the first connector and the other end extends to the outside of the body.

[0046] Furthermore, the driving assembly further includes:

[0047] The second electrical contact has a central through hole;

[0048] The second connector defines a fifth channel, the fifth channel being connected to the first slide channel;

[0049] The first connector and the second connector are arranged in a pair and are in a connected state, the second electrical contact abuts between the end face of the rod and the second connector, and the central through hole is aligned with the first channel and the fourth channel, and the first wire passes through the first slide channel and the fifth channel and is connected to the second electrical contact.

[0050] Furthermore, the pulling portion further includes a moving head, which is connected to the connecting section and the tail of the first operating arm;

[0051] The sheath portion includes an elastic member, a second slideway, a stop ring surface, and a first accommodating hole, wherein the first accommodating hole is a through hole, the stop ring surface is located between the second slideway and the first accommodating hole, the moving head is slidably disposed in the second slideway, and the elastic member abuts between the moving head and the stop ring surface;

[0052] When the pulling portion is in a free state, the elastic member pushes the first operating arm away from the second operating arm;

[0053] In the assembled state, at least a portion of the connecting end is inserted into the first accommodating hole.

[0054] Furthermore, the connecting end includes an abutting annular surface and a puncture head, and the puncture head is protruding from the central area of the abutting annular surface;

[0055] The sheath also includes:

[0056] an elastic sleeve disposed on the second slideway, wherein the elastic member abuts against the stop ring surface through the elastic sleeve, the elastic sleeve defines a tapered hole, the small-diameter end of the tapered hole is away from the stop ring surface, and the inner diameter of at least a portion of the tapered hole is smaller than the outer diameter of the puncture head;

[0057] In the assembled state, the puncture head is simultaneously inserted into the first accommodating hole and the tapered hole until the abutting annular surface abuts against the sheath portion.

[0058] Furthermore, the rod is a conductive member and includes a transition section and an opposite end, wherein the transition section is located between the connecting end and the opposite end;

[0059] The connecting portion further includes a first insulating coating layer, the first insulating coating layer coating the transition section, and the connecting end is exposed outside the first insulating coating layer;

[0060] The sheath portion further includes a conductor and a second insulating coating covering a portion of an outer area of the conductor, the second operating arm is provided on the conductor, and the conductor has a mating end surface;

[0061] The mating end surface is exposed outside the second insulating coating layer and abuts against the abutting ring surface.

[0062] Furthermore, the sheath portion further comprises:

[0063] a conductor having a second accommodating hole, the stop ring surface, and the first accommodating hole, wherein the second accommodating hole has an open end away from the first accommodating hole; and

[0064] An insulating liner, comprising an outer flange and a cylinder, wherein the inner wall of the cylinder forms the second slideway;

[0065] The cylinder is arranged in the second accommodating hole, and the outer rim is clamped at the opening end.

[0066] Furthermore, the moving part further includes an insulating spacer block, and the insulating spacer block is arranged between the first operating arm and the second operating arm;

[0067] There are two outer rims extending in opposite directions;

[0068] The conductor includes two arms, which are protruded from the opening end and staggered with the two outer edges;

[0069] The insulating spacer has a first hinge hole and a second hinge hole, the second operating arm has a third hinge hole and a fourth hinge hole, the first operating arm has a fifth hinge hole and a sixth hinge hole, the support arm has a seventh hinge hole, and the moving head has an eighth hinge hole;

[0070] The first hinge hole and the third hinge hole are hinged to the seventh hinge hole at the same time, the second hinge hole and the fourth hinge hole are hinged to the fifth hinge hole at the same time, the eighth hinge hole is hinged to the sixth hinge hole, and the two outer edges correspond to the first operating arm and the second operating arm respectively.

[0071] Furthermore, the pull line further comprises:

[0072] A conductive core and a third insulating coating layer, wherein the third insulating coating layer covers the corresponding areas of the conductive core and the rod, and the corresponding areas of the conductive core and the fixing portion are exposed outside the third insulating coating layer.

[0073] The electrocoagulation surgical instrument of an embodiment of the present invention uses a pulling portion and a first operating arm to form a first electrical path, and uses a sheath portion and a second operating arm to form a second electrical path to apply a coagulation current to biological tissue. Thus, on the one hand, the electrocoagulation surgical instrument is configured as a detachable electrocoagulation component and a drive component, which fully utilizes the multiple incisions of laparoscopic surgery, so that the electrocoagulation component and the rod can be respectively inserted into the cavity from incisions at different positions, reducing the size of the wound corresponding to the rod and improving the patient's postoperative recovery speed. On the other hand, during the assembly process of the electrocoagulation component and the drive component, the pulling portion can pull the electrocoagulation component and the drive component toward each other to facilitate the assembly of the two. At the same time, the pulling portion can further pull the first operating arm and the second operating arm closer to each other to realize the electrocoagulation operation of the first operating arm and the second operating arm on the biological tissue, thereby simplifying the surgical operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0074] The above and other objects, features and advantages of the present invention will become more apparent through the following description of the embodiments of the present invention with reference to the accompanying drawings, in which:

[0075] Figure 1 is a schematic structural diagram of an electrocoagulation surgical instrument according to an embodiment of the present invention in some implementations;

[0076] Figure 2 is a schematic structural diagram of the electrocoagulation surgical instrument according to an embodiment of the present invention in other embodiments;

[0077] Figure 3 is an exploded schematic diagram of a drive assembly according to an embodiment of the present invention;

[0078] Figure 4is an exploded schematic diagram of an electrocoagulation assembly according to an embodiment of the present invention;

[0079] Figure 5 is a schematic cross-sectional view of an electrocoagulation assembly according to an embodiment of the present invention;

[0080] Figure 6 is a partial cross-sectional schematic diagram of a drive assembly according to an embodiment of the present invention;

[0081] Figure 7 is a partial exploded schematic diagram of a drive assembly according to an embodiment of the present invention;

[0082] Figure 8 is a schematic cross-sectional view of an electrocoagulation surgical instrument according to an embodiment of the present invention;

[0083] Figure 9 is a schematic structural diagram of a conductor and a connection end according to an embodiment of the present invention;

[0084] Figure 10 is a schematic structural diagram of a base according to an embodiment of the present invention;

[0085] Figure 11 is a schematic structural diagram of a positioning member according to an embodiment of the present invention;

[0086] Figure 12 Schematic diagram of the working process of the electrocoagulation surgical instrument according to an embodiment of the present invention.

[0087] Description of reference numerals:

[0088] 1-Electrocoagulation assembly;

[0089] 2-Drive assembly;

[0090] 21-body; 211-first slideway; 2111-tail port;

[0091] 22-blocking piece; 221-third channel; 212-window;

[0092] 23-accommodation portion;

[0093] 24-second connector; 241-fourth channel; 242-fifth channel;

[0094] 25-first conductor;

[0095] 26-second electrical contact; 261-center through hole;

[0096] 27- second wire;

[0097] 3-connecting part;

[0098] 31-rod; 311-connecting end; 3111-abutting annular surface; 3112-piercing head; 312-second channel; 313-transition section; 314-opposite end;

[0099] 32-first connector;

[0100] 33-first insulating coating layer;

[0101] 4- sheath;

[0102] 41- elastic member;

[0103] 42-Second slide;

[0104] 43- stop ring surface;

[0105] 44-first receiving hole;

[0106] 45-elastic sleeve; 451-cone hole;

[0107] 46 - conductor; 461 - mating end surface; 462 - second receiving hole; 4621 - open end; 464 - support arm;

[0108] 47- second insulating coating layer;

[0109] 48-insulating lining; 481-outer flange; 482-cylinder;

[0110] 5-Sports Department;

[0111] 51- first operating arm;

[0112] 52- second operating arm;

[0113] 53- pulling part; 531- moving head;

[0114] 54-pull wire; 541-connecting section; 542-fixing section; 543-pull section; 544-conductive core; 545-third insulating coating;

[0115] 56-insulating spacer block;

[0116] 6-fixed part;

[0117] 61-first channel;

[0118] 62- positioning member; 621- connecting handle; 622- sliding body; 623- groove;

[0119] 63-fixing screw;

[0120] 64-base; 641-side hole; 6411-threaded section; 6412-sliding section; 6413-first positioning hole;

[0121] 642-accommodation groove; 643-notch; 644-groove;

[0122] 65-first electrical contact; 651-electrical contact surface;

[0123] 66-guide cone; 67-elastic member;

[0124] 7- socket hose;

[0125] B1-first hinge hole; B2-second hinge hole; B3-third hinge hole; B4-fourth hinge hole; B5-fifth hinge hole; B6-sixth hinge hole; B7-seventh hinge hole; B8-eighth hinge hole. DETAILED DESCRIPTION

[0126] The present invention is described below based on the following embodiments, but the present invention is not limited to these embodiments. In the detailed description of the present invention below, certain specific details are described in detail. Those skilled in the art can fully understand the present invention without these details. To avoid obscuring the essence of the present invention, well-known methods, processes, procedures, components, and circuits are not described in detail.

[0127] Furthermore, persons of ordinary skill in the art will appreciate that the figures provided herein are for illustration purposes only and are not necessarily drawn to scale.

[0128] Unless the context clearly requires otherwise, words like “include”, “comprising” and the like throughout this application should be interpreted as including rather than exclusive or exhaustive; that is, as meaning “including but not limited to”.

[0129] In the description of the present invention, it should be understood that the terms "first", "second", etc. are used for descriptive purposes only and should not be understood to indicate or imply relative importance. In addition, in the description of the present invention, unless otherwise specified, "plurality" means two or more.

[0130] Unless otherwise specified or limited, the terms "mounted," "connected," "connect," "fixed," and the like should be interpreted broadly. For example, they may refer to fixed connection, detachable connection, or integration; they may refer to direct connection or indirect connection through an intermediate medium; they may refer to internal communication between two components or interaction between two components, unless otherwise specified. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0131] Figure 1 and Figure 2 Schematic diagram of the structure of the electrocoagulation surgical instrument of this embodiment in different implementations. Figure 2The electrocoagulation surgical instrument is in an installed state, and the first operating arm 51 and the second operating arm 52 are away from each other. Figure 1 The electrocoagulation surgical instrument is in a discharge state, and the first operating arm 51 and the second operating arm 52 are close to each other and are connected through the position to be hemostatic.

[0132] Figure 3 2 is an exploded view of the drive assembly 2. The connecting portion 3 is not shown in the figure.

[0133] Figure 4 and Figure 5 Schematic diagrams of explosion and cross-section of the electrocoagulation assembly 1 are shown. Figure 6 and Figure 7 It is a partial cross-sectional schematic diagram and a partial explosion schematic diagram of the drive component 2. Figure 8 : is a cross-sectional view of the electrocoagulation surgical instrument, in which the pulling portion 53 is not shown. Figure 7 and Figure 8 The figure further shows the corresponding relationship between each area on the pull wire 54 and the drive assembly 2 and the sheath 4.

[0134] Specifically, if Figure 4-8 As shown in the figure, arrows are used to illustrate a specific current flow direction, wherein the solid arrows represent the current flow direction fed into the second operating arm 52 , and the hollow arrows represent the current flow direction flowing out of the first operating arm 51 .

[0135] Figure 9 3 is a schematic diagram of the structure of the conductor 46 and the connection terminal 311. The outline of the connection terminal 311 is shown with a thick solid line in the figure.

[0136] Figure 10 and Figure 11 Schematic diagram of the structure of the base 64 and the positioning member 62.

[0137] Figure 12 This is a schematic diagram of the workflow of the electrocoagulation surgical instrument of this embodiment. State Ia through State If represent different stages of the procedure. In State Ib, the puncture needle and puncture cannula are inserted into the cavity through the first and second incisions in Areas I and II, respectively. The first incision is larger than the second incision. States Ib and Ic also illustrate the sheathed hose 7 inserted from the puncture needle into the cavity.

[0138] In some embodiments, as Figure 1-8As shown, the electrocoagulation surgical instrument in this embodiment includes an electrocoagulation assembly 1 and a drive assembly 2. The drive assembly 2 includes a connecting portion 3, which includes a hollow rod 31, and the rod 31 includes a connecting end 311. The electrocoagulation assembly 1 includes a sheath 4 and a moving portion 5, which includes a pulling portion 53 and a first operating arm 51 and a second operating arm 52 arranged in a pair, with the second operating arm 52 being disposed on the sheath 4. At the same time, the pulling portion 53 is configured such that one end is connected to the first operating arm 51 and the pulling portion 53 and the first operating arm 51 form a first electrical path, and the other end is operable to pass through the rod 31 and pull the sheath 4 toward the rod 31 until the connecting end 311 is detachably connected to the sheath 4, so that the rod 31, the sheath 4, and the second operating arm 52 form a second electrical path. The pulling portion 53 is used to drive the first operating arm 51 close to the second operating arm 52 so that the first electrical path is connected to the second electrical path through biological tissue.

[0139] Specifically, if Figure 1 and Figure 12 As shown in state Ic in the figure, the pulling operation of the pulling portion 53 in this embodiment can be divided into three stages. In the first stage, the electrocoagulation component 1 and the drive component 2 can be assembled together through the pulling portion 53. In the second stage, by continuing to pull the pulling portion 53, the first operating arm 51 and the second operating arm 52 can be driven to approach each other to clamp the biological tissue. In this process, the electrocoagulation surgical instrument can cooperate with tools such as a scalpel to treat the lesion. In the third stage, the first operating arm 51 and the second operating arm 52 can abut on both sides of the position to be hemostatic, and through the power supply equipment (such as Figure 12 A coagulation current is applied to the bleeding site.

[0140] Optionally, the first operating arm 51 and the second operating arm 52 in this embodiment can be configured as a forceps component, a scissors component, or a tweezers component. Those skilled in the art can make a choice based on the actual operation of the surgery. Taking the forceps component as an example, the first operating arm 51 and the second operating arm 52 in this embodiment are configured as two forceps heads, so that the two forceps heads can be brought close to each other to clamp, pull, and apply a coagulation current to the biological tissue. Taking the scissors component as an example, the first operating arm 51 and the second operating arm 52 are configured as two scissor arms, which can achieve the effect of shearing and electrocoagulating the biological tissue.

[0141] It is easy to understand that in the application text with publication number CN110545736A, the operating device and the hollow needle are respectively inserted into the cavity from the first incision and the second incision, and the operating device is further controlled to clamp the lesion and pull it in a direction roughly perpendicular to the cannula to expose the lesion area for the doctor's surgical operation.

[0142] In this embodiment, the electrocoagulation assembly 1 can be placed into the cavity through a first incision, a portion of the rod 31 can be inserted into the cavity through a second incision, and the pulling portion 53 can be inserted into the rod 31 using a surgical tool, so that the operator can pull the pulling portion 53. Alternatively, after the electrocoagulation assembly 1 is placed into the human body, the tail of the pulling portion 53 can be guided out of the human body through a puncture needle using a surgical tool, and the pulling portion 53 can be inserted into the rod 31 from the outside of the human body.

[0143] This makes the size of the second wound smaller. When the diameter of the puncture needle and rod 31 is less than 5 mm, the second wound will close after the puncture needle and rod 31 are pulled out. No suturing operation is required, reducing the damage caused by the surgery to the human body.

[0144] In summary, the electrocoagulation surgical instrument of this embodiment uses the pulling portion 53 and the first operating arm 51 to form a first electrical path, and uses the sheath portion 4 and the second operating arm 52 to form a second electrical path to apply a coagulation current to biological tissue. Thus, on the one hand, the electrocoagulation surgical instrument is configured as a detachable and assembling electrocoagulation component 1 and drive component 2, which fully utilizes the multiple incisions of laparoscopic surgery, so that the electrocoagulation component 1 and the rod 31 can be inserted into the cavity from different incisions respectively, reducing the size of the incision corresponding to the rod 31 and improving the patient's postoperative recovery speed. On the other hand, during the assembly process of the electrocoagulation component 1 and the drive component 2, the pulling portion 53 can pull the electrocoagulation component 1 and the drive component 2 toward each other to facilitate the assembly of the two. At the same time, the pulling portion 53 can further pull the first operating arm 51 and the second operating arm 52 closer to each other to achieve the electrocoagulation operation of the first operating arm 51 and the second operating arm 52 on the biological tissue, thereby simplifying the surgical operation.

[0145] In some embodiments, as Figure 1-8 As shown, the pulling portion 53 includes a pulling wire 54, which includes a connecting section 541 and a fixing section 542. The connecting section 541 is close to the first operating arm 51. The driving assembly 2 also includes a fixing portion 6, which is arranged on a side of the connecting portion 3 away from the electrocoagulation assembly 1 and defines a first channel 61. The fixing section 542 passes through the rod 31 into the first channel 61 and is fixedly connected to the fixing portion 6. The fixing portion 6 can be operably moved closer to or away from the connecting portion 3 to drive the first operating arm 51 to move relative to the second operating arm 52.

[0146] In this embodiment, the pull wire 54 is flexible, facilitating insertion of the electrocoagulation assembly 1 through the first wound opening into the cavity. Furthermore, during the first, second, and third stages, the pull wire 54 provides the pulling force required to bring the electrocoagulation assembly 1 and the drive assembly 2 closer together, and to bring the first operating arm 51 and the second operating arm 52 closer together. Furthermore, it serves as a guide wire for directing the coagulation current.

[0147] Preferably, if Figure 12 As shown, the electrocoagulation surgical instrument also includes a sleeve hose 7. The sleeve hose 7 is hollow and has a certain elastic force. In this embodiment, the sleeve hose 7 can be inserted into the human body via a puncture needle. A clamping tool is inserted from the puncture cannula into the cavity to clamp the sleeve hose 7 and guide it out of the human body through the second incision. In this configuration, the middle area of the sleeve hose 7 is located within the cavity. In other words, the tail end does not penetrate the puncture needle. After the head of the sleeve hose 7 is sleeved with the pull wire 54, the tail end of the sleeve hose 7 is pulled to bring the electrocoagulation assembly 1 into the cavity. The sleeve hose 7 is further pulled so that the fixed section 542 of the pull wire 54 is guided through the puncture needle and out of the human body. Then, the puncture needle is removed, the sleeve hose 7 is separated from the pull wire 54, and the pull wire 54 is inserted into the rod 31. Finally, the pull wire 54 is pulled to connect the sheath 4 to the connecting end 311 of the rod 31. During this process, the connecting end 311 is inserted into the cavity through the first incision.

[0148] In some embodiments, as Figure 1-8 As shown, the first channel 61 is a through hole. The pull wire 54 also includes a pull section 543. The drive assembly 2 also includes a body 21. The end of the connecting portion 3 away from the connecting end 311 is connected to the body 21. The electrocoagulation surgical instrument has a spliced state. In the spliced state, the pull section 543 extends from the end of the first channel 61 away from the connecting section 541 and pulls the sheath 4 to splice with the connecting end 311, and the fixing section 542 is located in the first channel 61.

[0149] Thus, on the one hand, the pulling section 543 in this embodiment is used by the operator to pull the electrocoagulation assembly 1, so that the electrocoagulation assembly 1 and the driving assembly 2 are aligned with each other. On the other hand, when the sheath 4 and the connecting end 311 are assembled with each other, the fixing section 542 is ensured to be exactly located within the first channel 61. This allows the operator to secure the fixing section 542 located within the first channel 61 through the fixing portion 6. On the other hand, the above-mentioned sleeve hose 7 can be sleeved on the pulling section 543, so that the sleeve hose 7 can lead the pulling wire 54 through the first wound to the outside of the human body.

[0150] In some embodiments, as Figure 1-8 As shown, the rod 31 defines a second hole 312, which is a through hole. The body 21 is provided with a first slide 211, and the fixing portion 6 is slidably disposed in the first slide 211. The fixing portion 6 has a first position and a second position within the first slide 211. In the first position, the fixing portion 6 is located at an end of the first slide 211 close to the sheath 4, and the first hole 61 and the second hole 312 extend along the same axis. In the second position, the fixing portion 6 is located at an end of the first slide 211 away from the sheath 4, and the first operating arm 51 approaches the second operating arm 52 and maintains a predetermined distance.

[0151] When the fixing portion 6 moves from the first position to the second position, the pull wire 54 can be pulled to move the first operating arm 51 and the second operating arm 52 closer together to clamp the biological tissue. At the same time, when the electrocoagulation surgical instrument applies a coagulation current, the fixing portion 6 can also be moved from the second position to the first position to release the first operating arm 51 and the second operating arm 52 from clamping the biological tissue.

[0152] Preferably, the axial direction of the first slideway 211 is parallel to the first hole 61 and the second hole 312. When the pulling section 543 is inserted into the body 21 through the rod 31, it can be ensured that the pulling section 543 moves directly into the second hole 312. This reduces or even avoids the situation where the pulling wire 54 cannot simultaneously penetrate the first hole 61 and the second hole 312.

[0153] In some embodiments, as Figure 7 As shown, the first channel 61 and the second channel 312 have a predetermined distance (distance L1) between their opposite ends. The fixing portion 6 defines a guide conical surface 66 , the small diameter end of which is connected to the end of the first channel 61 near the second channel 312 .

[0154] It is easy to understand that in this embodiment, a certain distance is maintained between the first channel 61 and the second channel 312, which can be used to accommodate the first wire 25, the second wire 27 or other components to avoid the internal space of the body 21 being too cramped. Figure 7 As shown, a receiving cavity is provided between the fourth hole 241 and the first slideway 211. When the fixing portion 6 moves toward the sheath 4, it will contact the first wire 25. The receiving cavity is used to provide a clearance space when the first wire 25 bends, thereby preventing the first wire 25 from being pulled.

[0155] However, when the pull wire 54 extends from the first hole 61 into the interior of the body 21, the flexibility of the pull wire 54 itself will cause the pull wire 54 to bend to one side (such as Figure 7 To this end, the guide conical surface 66 in this embodiment can guide the end of the pull wire 54, especially when the pull wire 54 is relatively soft, to ensure that the pull wire 54 can pass through the first hole 61 and the second hole 312.

[0156] In some embodiments, as Figure 6-7As shown, the fixing portion 6 further includes a positioning member 62, a fixing screw 63, and a base 64. The base 64 defines a first channel 61 and a side hole 641. The side hole 641 is in communication with the first channel 61 and faces laterally toward the first channel 61. The side hole 641 has a threaded section 6411 and a sliding section 6412 axially disposed therein. The sliding section 6412 is adjacent to the first channel 61, and the positioning member 62 is slidably disposed within the sliding section 6412. The fixing screw 63 is configured to penetrate the threaded section 6411 and push the positioning member 62 into the first channel 61 to secure the fixing section 542.

[0157] The operator can maintain the tension of the pull line 54 after the sheath 4 is aligned with the connecting end 311. By tightening the fixing screw 63, the positioning member 62 can be pressed against the fixing section 542.

[0158] Furthermore, if Figure 1-8 As shown, the body 21 defines a window 212. Window 212 extends through the sidewall of the first slideway 211 and is longitudinally parallel to the axis of the first slideway 211. The head of the fixing screw 63 protrudes from the window 212. In the first and second positions, the fixing screw 63 is positioned at the longitudinal edge of the window 212, respectively.

[0159] The window 212 of this embodiment can avoid the fixing screw 63. Figure 3 The middle dotted line IVa is the axial position of the fixing screw 63 when it is in the first position and the second position. The cooperation between the window 212 and the fixing screw 63 can further limit the moving position of the fixing part 6 in the first slideway 211.

[0160] In some embodiments, as Figure 1-11 As shown, the base 64 and the fixing screw 63 are insulating parts. The positioning member 62 includes a plurality of connecting handles 621 and a sliding body 622 adapted to the sliding section 6412. The plurality of connecting handles 621 are protruding from the side of the sliding body 622 away from the fixing screw 63. The fixing portion 6 also includes a plurality of elastic members 67 and a first electrical contact member 65. The first electrical contact member 65 is provided on the base 64 and includes an electrical contact surface 651, which is protruding in the first channel 61. A plurality of first positioning holes 6413 are provided at the bottom of the side hole 641, and the plurality of first positioning holes 6413 are arranged on both sides of the first channel 61. The plurality of elastic members 67 are provided in the plurality of first positioning holes 6413 in a one-to-one correspondence.

[0161] At the same time, the fixing screw 63 is screwed into the threaded section 6411, and the tail of the fixing screw 63 pushes the sliding body 622 close to the electrical contact surface 651 to clamp the fixed section 542, and the first electrical contact member 65 is electrically connected to the fixed section 542. At the same time, multiple connecting handles 621 are correspondingly inserted into the multiple first positioning holes 6413 and abut against the multiple elastic members 67 one by one.

[0162] Specifically, the elastic member 67 in this embodiment is a spring, one end of which abuts against the bottom surface of the first positioning hole 6413 , and the other end of which abuts against the end surface of the connecting handle 621 .

[0163] Thus, on the one hand, the cooperation between the multiple connecting handles 621 and the multiple first positioning holes 6413 in this embodiment prevents the sliding body 622 from rotating relative to the fixing section 542, thereby preventing damage to the pull wire 54. On the other hand, when the fixing screw 63 is screwed outward from the threaded section 6411, the elastic member 67 can simultaneously lift the positioning member 62 to facilitate the extraction of the pull wire 54 from the fixing portion 6, thereby preventing the pull wire 54 from adhering to the positioning member 62.

[0164] Specifically, the base 64 is provided with a receiving groove 642, and the first electrical contact 65 is disposed in the receiving groove 642 and electrically connected to the power supply device through the second wire 27. The insulated base 64 and fixing screw 63 can prevent the coagulation current from being conducted to the operator's hand.

[0165] In some embodiments, as Figure 7 and Figure 10 As shown, the bottom of the accommodating groove 642 defines a notch 643. The second wire 27 can be connected to the first electrical contact 65 through the notch 643. The bottom of the base 64 also defines a groove 644. The wrench is rotatably connected to the body 21, and the top protrusion of the wrench can extend into the groove 644 to drive the fixing portion 6 to move linearly.

[0166] Furthermore, a groove 623 is provided on the side of the sliding body 622 facing the pull wire 54. The depth and curvature of the groove 623 match the top of the fixed segment 542. When the sliding body 622 is pressed against the fixed segment 542, the groove 623 fits snugly against the top surface of the fixed segment 542. Furthermore, the interaction between the multiple connecting handles 621 and the multiple first positioning holes 6413 further ensures that the extension direction of the groove 623 aligns with the length of the pull wire 54.

[0167] In some embodiments, as Figure 1-8 As shown, the first slide 211 has a tail port 2111, which is located on the side of the first slide 211 away from the sheath 4. The drive assembly 2 also includes a blocking member 22, which is an insulating member and includes a limiting protrusion, and the limiting protrusion is provided with a third channel 221. The fixed section 542 is located in the first channel 61, and the pulling section 543 extends to the outside of the body 21 through the tail port 2111. The blocking member 22 blocks the tail port 2111, and the third channel 221 extends along the same axis as the first channel 61. At least part of the pulling section 543 is telescopically arranged in the third channel 221. In the second position described above, the limiting protrusion abuts against the fixed portion 6.

[0168] The length of the pulling section 543 in this embodiment can be configured to be adapted to the size of the operator's hand, so that the operator can perform the pulling operation more easily. At the same time, the limiting protrusion can limit the displacement of the fixing portion 6 to prevent the first operating arm 51 and the second operating arm 52 from being too close to each other and damaging human tissue. Figure 12 As shown in the middle state Ie, after the sheath 4 is aligned with the connecting end 311, the operator can cut off at least part of the pulling section 543. The third channel 221 is then fitted over it. As a result, when the pulling wire 54 pulls the first operating arm 51, it can simultaneously extend and retract within the first channel 61, the second channel 312, and the third channel 221, preventing the end of the pulling section 543 from interfering with the blocking member 22 and thus affecting the pulling action of the pulling portion 53.

[0169] In some embodiments, as Figure 1-8 As shown, the connecting portion 3 includes a first connector 32, and the first connector 32 is arranged at one end of the rod 31 away from the connecting end 311. The main body 21 includes a receiving portion 23 and a second connector 24. The receiving portion 23 is provided with a first slide 211, and the second connector 24 is protruding from one side of the receiving portion 23 and is provided with a fourth channel 241. The pulling wire 54 can be operably passed through the fourth channel 241 and the first slide 211. The driving assembly 2 also includes a first wire 25. The first connector 32 and the second connector 24 are in a connected state, the fourth channel 241 and the first channel 61 extend along the same axis, and one end of the first wire 25 is electrically connected to the first connector 32, and the other end extends to the outside of the main body 21. In this embodiment, one end of the first wire 25 is electrically connected to the second operating arm 52, and the other end is electrically connected to the power supply device to realize power feeding to the second operating arm 52.

[0170] Furthermore, the drive assembly 2 also includes a second electrical contact 26. The second electrical contact 26 defines a central through hole 261 that is sleeved on the pull wire 54. The second connector 24 defines a fifth channel 242, which is connected to the first slide 211 and parallel to the fourth channel 241. The first connector 32 and the second connector 24 are arranged in pairs and are in a connected state. The second electrical contact 26 abuts between the end face of the rod 31 and the second connector 24, and the central through hole 261 is aligned with the first channel 61 and the fourth channel 241. The first wire 25 passes through the first slide 211 and the fifth channel 242 and is connected to the second electrical contact 26. In this embodiment, the contact area with the rod 31 is increased by the second connector 24 to facilitate the conduction of current in the first wire 25.

[0171] Specifically, the first hole 61, the second hole 312, the third hole 221, and the fourth hole 241 extend along the same axis, that is, the first hole 61, the second hole 312, the third hole 221, and the fourth hole 241 are aligned. In addition, the inner diameters of the first hole 61, the second hole 312, the third hole 221, and the fourth hole 241 are all larger than the outer diameter of the pull wire 54, ensuring that the pull wire 54 can be retractably inserted into each hole at the same time.

[0172] Preferably, both the first electrical contact 65 and the second electrical contact 26 are elastic contacts. That is, the electrical contact surface 651 has elastic deformation toward the outside of the first channel 61. The second electrical contact 26 is an elastic sheet, with both sides of the sheet elastically deforming toward the center in the thickness direction. This ensures a stable electrical connection between the first electrical contact 65 and the second electrical contact 26.

[0173] In some embodiments, as Figure 1-8 As shown, the pulling portion 53 also includes a moving head 531. The moving head 531 is connected to the connecting section 541 and the tail of the first operating arm 51. The sheath portion 4 includes an elastic member 41, a second slide 42, a stop ring surface 43 and a first accommodating hole 44. The first accommodating hole 44 is a through hole, the stop ring surface 43 is located between the second slide 42 and the first accommodating hole 44, the moving head 531 is slidably disposed in the second slide 42, and the elastic member 41 abuts between the moving head 531 and the stop ring surface 43. When the pulling portion 53 is in a free state, the elastic member 41 pushes the first operating arm 51 away from the second operating arm 52. In the assembled state, at least part of the connecting end 311 is inserted into the first accommodating hole 44.

[0174] The moving head 531 of this embodiment cooperates with the second slide 42 to play a guiding role, and the elastic member 41 can ensure that the first operating arm 51 and the second operating arm 52 are in an open state when the fixing portion 6 does not pull the moving head 531.

[0175] In some embodiments, as Figure 1-8 As shown, the connecting end 311 includes an abutting annular surface 3111 and a puncture head 3112, with the puncture head 3112 protruding from the center of the abutting annular surface 3111. The sheath 4 also includes an elastic sleeve 45. The elastic sleeve 45 is disposed on the second slideway 42, and the elastic member 41 abuts against the stop annular surface 43 through the elastic sleeve 45. The elastic sleeve 45 defines a tapered hole 451, with the smaller diameter end of the tapered hole 451 facing away from the stop annular surface 43, and the inner diameter of at least a portion of the tapered hole 451 is smaller than the outer diameter of the puncture head 3112. In the assembled state, the puncture head 3112 is simultaneously inserted into the first receiving hole 44 and the tapered hole 451 until the abutting annular surface 3111 abuts the sheath 4.

[0176] This embodiment restricts the relative position of the sheath 4 and the drive assembly 2 by the engagement of the abutting annular surface 3111 with the sheath 4. During insertion of the puncture tip 3112 into the sheath 4, the elastic sleeve 45 encases the puncture tip 3112, preventing the connecting end 311 from easily dislodging from the sheath 4. For example, an operator can grasp the main body 21 with their left hand and pull the pulling section 543 with their right hand. Once the puncture tip 3112 is inserted into the elastic sleeve 45, the operator can release their right hand and tighten the fixing screw 63 with their right hand. This simplifies the operator's operation.

[0177] In some embodiments, as Figure 1-8 As shown, the rod 31 is a conductive member and includes a transition section 313 and an opposite end 314. The transition section 313 is located between the connecting end 311 and the opposite end 314. The connecting portion 3 also includes a first insulating coating 33, which covers the transition section 313, and the connecting end 311 is exposed outside the first insulating coating 33. The sheath 4 also includes a conductor 46 and a second insulating coating 47 covering a portion of the outer area of the conductor 46. The second operating arm 52 is provided on the conductor 46, and the conductor 46 has a mating end surface 461. The mating end surface 461 is exposed outside the second insulating coating 47 and abuts against the abutting ring surface 3111. In this embodiment, the electrical connection of the second electrical path can be achieved through the abutment between the mating end surface 461 and the abutting ring surface 3111.

[0178] Specifically, if Figure 5 、 Figure 8 and Figure 9 As shown in FIG, one side edge of the second insulating coating 47 extends to the edge of the mating end surface 461. One side edge of the first insulating coating 33 extends to the abutting annular surface 3111. When the sheath 4 and the rod 31 are assembled, the first insulating coating 33 and the second insulating coating 47 can also align with each other to reduce or even prevent the connection between the conductor 46 and the rod 31 from being exposed in the human body and causing a short circuit.

[0179] Specifically, if Figure 8 As shown, the first connector 32 includes an extended edge surrounding the rod 31. This extended edge is sleeved over the end of the second connector 24 to ensure radial positioning accuracy. Simultaneously, the first and second connectors, disposed on the outsides of the first and second connectors 32 and 24, engage with each other to achieve axial positioning of the first and second connectors 32 and 24. The first insulating coating 33 also covers the outside of the extended edge.

[0180] In some embodiments, as Figure 1-8As shown, the sheath 4 also includes a conductor 46 and an insulating liner 48. The conductor 46 has a second receiving hole 462, a stopper ring 43, and a first receiving hole 44. The second receiving hole 462 has an open end 4621 remote from the first receiving hole 44. The insulating liner 48 includes an outer flange 481 and a cylindrical body 482. The inner wall of the cylindrical body 482 forms the second slideway 42. The cylindrical body 482 is disposed within the second receiving hole 462, with the outer flange 281 engaging the open end 4621.

[0181] Preferably, the insulating liner 48 in this embodiment is made of ceramic, which provides excellent insulation. Furthermore, the smooth surface of the ceramic material also provides excellent guidance for the movement of the moving head 531. Furthermore, the outward flange 281 also acts as a stop, ensuring the precise installation between the conductor 46 and the insulating liner 48.

[0182] Furthermore, the moving portion 5 also includes an insulating spacer 56, which is disposed between the first operating arm 51 and the second operating arm 52. There are two outer flanges 481 extending in opposite directions. The conductor 46 includes two support arms 464, which are protruding from the open end 4621 and staggered with the two outer flanges 481. The insulating spacer 56 has a first hinge hole B1 and a second hinge hole B2, the second operating arm 52 has a third hinge hole B3 and a fourth hinge hole B4, the first operating arm 51 has a fifth hinge hole B5 and a sixth hinge hole B6, the support arm 464 has a seventh hinge hole B7, and the moving head 531 has an eighth hinge hole B8. The first hinge hole B1 and the third hinge hole B3 are hinged to the seventh hinge hole B7 at the same time, the second hinge hole B2 and the fourth hinge hole B4 are hinged to the fifth hinge hole B5 at the same time, the eighth hinge hole B8 is hinged to the sixth hinge hole B6, and the two outward turned edges 481 correspond to the first operating arm 51 and the second operating arm 52 respectively.

[0183] In this embodiment, the two outwardly turned edges 281 can prevent the first operating arm 51 and the second operating arm 52 from being opened at too large an angle and colliding with the conductor 46 , and can also prevent the first operating arm 51 and the conductor 46 from being short-circuited.

[0184] Preferably, if Figure 4 As shown, the electrocoagulation assembly 1 also includes a rotating shaft. The second hinge hole B2, the fourth hinge hole B4, and the fifth hinge hole B5 have larger diameters than the other hinge holes. When the rotating shaft is inserted into the second hinge hole B2, the fourth hinge hole B4, and the fifth hinge hole B5, the linear motion of the moving head 531 can be converted into relative rotation of the first operating arm 51 and the second operating arm 52 through a large radial gap. This avoids interference caused by too small a gap.

[0185] In some embodiments, as Figure 1-8As shown, the puller wire 54 further includes a conductive core 544 and a third insulating coating 545. The third insulating coating 545 covers the corresponding areas of the conductive core 544 and the rod 31, and the corresponding areas of the conductive core 544 and the fixing portion 6 are exposed outside the third insulating coating 545. The third insulating coating 545 can also cover the sides of the moving head 531.

[0186] In this embodiment, the third insulating coating 545 can prevent the conductive core 544 from short-circuiting with the rod 31 , and the fixing section 542 and the pulling section 543 are not covered with the third insulating coating 545 , so as to facilitate electrical connection with the power supply equipment.

[0187] The foregoing description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that various modifications and variations of the present invention are possible. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention are intended to be within the scope of protection of the present invention.

Claims

1. An electrocoagulation surgical instrument, characterized in that: The electrocoagulation surgical instrument comprises: A drive assembly (2) includes a connecting portion (3), wherein the connecting portion (3) includes a hollow rod (31), and the rod (31) includes a connecting end (311); and An electrocoagulation assembly (1) comprises a sheath portion (4) and a moving portion (5), wherein the moving portion (5) comprises a pulling portion (53) and a first operating arm (51) and a second operating arm (52) arranged in a pair, wherein the second operating arm (52) is arranged on the sheath portion (4); The pulling portion (53) is configured such that one end is connected to the first operating arm (51) and the pulling portion (53) and the first operating arm (51) form a first electrical path, and the other end can be operably passed through the rod (31) and pull the sheath portion (4) toward the rod (31) until the connecting end (311) is detachably connected to the sheath portion (4) so that the rod (31) and the sheath portion (4) and the second operating arm (52) form a second electrical path, and the pulling portion (53) is used to drive the first operating arm (51) close to the second operating arm (52) so that the first electrical path is connected to the second electrical path through biological tissue.

2. The electrocoagulation surgical instrument according to claim 1, characterized in that: The pulling portion (53) includes a pulling wire (54), the pulling wire (54) includes a connecting section (541) and a fixing section (542), and the connecting section (541) is close to the first operating arm (51); The driving assembly (2) further comprises a fixing portion (6), the fixing portion (6) being arranged on a side of the connecting portion (3) away from the electrocoagulation assembly (1) and having a first channel (61); The fixing section (542) passes through the rod (31) into the first hole (61) and is fixedly connected to the fixing portion (6); the fixing portion (6) can be operably moved closer to or farther away from the connecting portion (3) to drive the first operating arm (51) to move relative to the second operating arm (52).

3. The electrocoagulation surgical instrument according to claim 2, characterized in that: The first channel (61) is a through hole; The pulling wire (54) further includes a pulling section (543); The drive assembly (2) further includes a body (21); An end of the connecting portion (3) away from the connecting end (311) is connected to the body (21); The electrocoagulation surgical instrument has a spliced state. In the spliced state, the pulling section (543) extends from one end of the first channel (61) away from the connecting section (541), and pulls the sheath (4) to splice with the connecting end (311), and the fixing section (542) is located in the first channel (61).

4. The electrocoagulation surgical instrument according to claim 3, characterized in that: The rod (31) defines a second hole (312), and the second hole (312) is a through hole; The body (21) is provided with a first slide (211), and the fixing portion (6) is slidably arranged on the first slide (211). The fixing portion (6) has a first position and a second position in the first slide (211). In the first position, the fixing portion (6) is located at one end of the first slide (211) close to the sheath portion (4) and the first hole (61) and the second hole (312) extend along the same axis. In the second position, the fixing portion (6) is located at one end of the first slide (211) away from the sheath portion (4), and the first operating arm (51) approaches the second operating arm (52) and maintains a predetermined distance.

5. The electrocoagulation surgical instrument according to claim 4, characterized in that: The first channel (61) and the port on the opposite side of the second channel (312) have a predetermined distance; The fixing portion (6) is provided with a guide conical surface (66), and the small-diameter end of the guide conical surface (66) is connected to a port of the first channel (61) close to the second channel (312).

6. The electrocoagulation surgical instrument according to claim 4, characterized in that: The fixing portion (6) further comprises: Positioning member (62); a fixing screw (63); and The base (64) is provided with the first channel (61) and a side hole (641), the side hole (641) is connected to the first channel (61) and faces the side of the first channel (61), the side hole (641) has a threaded section (6411) and a sliding section (6412) in the axial direction, the sliding section (6412) is adjacent to the first channel (61), and the positioning member (62) is slidably arranged on the sliding section (6412); The fixing screw (63) is configured to penetrate the threaded section (6411) and push the positioning member (62) to move into the first hole (61) to fix the fixing section (542).

7. The electrocoagulation surgical instrument according to claim 6, characterized in that: The body (21) is provided with a window (212), the window (212) passes through a side wall of one side of the first slideway (211), and the length direction of the window (212) is parallel to the axial direction of the first slideway (211); The head of the fixing screw (63) extends out from the window (212), and in the first position and the second position, the fixing screw (63) moves to the edge position in the length direction of the window (212) respectively.

8. The electrocoagulation surgical instrument according to claim 6, characterized in that: The base (64) and the fixing screw (63) are insulating parts; The positioning member (62) includes a plurality of connecting handles (621) and a sliding body (622) adapted to the sliding section (6412), wherein the plurality of connecting handles (621) are protrudingly provided on a side of the sliding body (622) facing away from the fixing screw (63); The fixing portion (6) further comprises: a plurality of elastic members (67); and A first electrical contact member (65) is disposed on the base (64) and includes an electrical contact surface (651), wherein the electrical contact surface (651) is protrudingly disposed in the first hole (61); A plurality of first positioning holes (6413) are provided at the bottom of the side hole (641), the plurality of first positioning holes (6413) are arranged on both sides of the first channel (61), and the plurality of elastic members (67) are respectively arranged in the plurality of first positioning holes (6413); The fixing screw (63) is screwed into the threaded section (6411), and the tail of the fixing screw (63) pushes the sliding body (622) close to the electrical contact surface (651) to clamp the fixed section (542), and the first electrical contact member (65) is electrically connected to the fixed section (542). At the same time, the multiple connecting handles (621) are correspondingly arranged in the multiple first positioning holes (6413) and abut against the multiple elastic members (67).

9. The electrocoagulation surgical instrument according to claim 4, characterized in that: The first slideway (211) has a tail port (2111), and the tail port (2111) is located on a side of the first slideway (211) away from the sheath (4); The driving assembly (2) further comprises a blocking member (22), the blocking member (22) being an insulating member and comprising a limiting protrusion, the limiting protrusion being provided with a third hole (221); The fixing section (542) is located in the first channel (61), and the pulling section (543) extends to the outside of the body (21) through the tail port (2111); The blocking member (22) blocks the tail port (2111), the third channel (221) and the first channel (61) extend along the same axis, and at least a portion of the pulling section (543) is telescopically disposed in the third channel (221); In the second position, the limiting protrusion abuts against the fixing portion (6).

10. The electrocoagulation surgical instrument according to claim 4, characterized in that: The connecting portion (3) comprises a first connecting head (32), and the first connecting head (32) is arranged at an end of the rod (31) away from the connecting end (311); The body (21) comprises: The accommodating portion (23) is provided with the first slideway (211), A second connector (24) is protruded from one side of the accommodating portion (23) and defines a fourth hole (241), and the pulling wire (54) can be operatively passed through the fourth hole (241) and the first slideway (211); The driving assembly (2) further includes a first wire (25); The first connector (32) and the second connector (24) are in a connected state, the fourth channel (241) and the first channel (61) extend along the same axis, and one end of the first wire (25) is electrically connected to the first connector (32), and the other end extends to the outside of the body (21).

11. The electrocoagulation surgical instrument according to claim 10, characterized in that: The drive assembly further includes: A second electrical contact (26) is provided with a central through hole (261) sleeved on the pulling wire (54); The second connector (24) defines a fifth channel (242), and the fifth channel (242) is connected to the first slide channel (211); The first connector (32) and the second connector (24) are arranged in pairs and are in a connected state, the second electrical contact (26) abuts between the end surface of the rod (31) and the second connector (24), and the central through hole (261) is aligned with the first channel (61) and the fourth channel (241), and the first wire (25) passes through the first slideway (211) and the fifth channel (242) to be connected to the second electrical contact (26).

12. The electrocoagulation surgical instrument according to claim 3, characterized in that: The pulling portion (53) further includes a moving head (531), and the moving head (531) is connected to the connecting section (541) and the tail of the first operating arm (51); The sheath portion (4) comprises an elastic member (41), a second slideway (42), a stop ring surface (43) and a first accommodating hole (44); the first accommodating hole (44) is a through hole; the stop ring surface (43) is located between the second slideway (42) and the first accommodating hole (44); the moving head (531) is slidably disposed in the second slideway (42), and the elastic member (41) abuts between the moving head (531) and the stop ring surface (43); When the pulling portion (53) is in a free state, the elastic member (41) pushes the first operating arm (51) away from the second operating arm (52); In the assembled state, at least a portion of the connecting end (311) is inserted into the first receiving hole (44).

13. The electrocoagulation surgical instrument according to claim 12, characterized in that: The connecting end (311) comprises an abutting annular surface (3111) and a puncture head (3112), wherein the puncture head (3112) is protrudingly provided in the central area of the abutting annular surface (3111); The sheath (4) further comprises: An elastic sleeve (45) is arranged on the second slideway (42), the elastic member (41) abuts against the stop ring surface (43) through the elastic sleeve (45), the elastic sleeve (45) is provided with a tapered hole (451), the small diameter end of the tapered hole (451) is away from the stop ring surface (43), and the inner diameter of at least part of the tapered hole (451) is smaller than the outer diameter of the puncture head (3112); In the assembled state, the puncture head (3112) is simultaneously inserted into the first receiving hole (44) and the tapered hole (451) until the abutting annular surface (3111) abuts against the sheath portion (4).

14. The electrocoagulation surgical instrument according to claim 13, characterized in that: The rod (31) is a conductive member and includes a transition section (313) and an opposite end (314), wherein the transition section (313) is located between the connecting end (311) and the opposite end (314); The connecting portion (3) further includes a first insulating coating layer (33), the first insulating coating layer (33) coating the transition section (313), and the connecting end (311) is exposed outside the first insulating coating layer (33); The sheath portion (4) further includes a conductor (46) and a second insulating coating layer (47) covering a partial area outside the conductor (46); the second operating arm (52) is provided on the conductor (46); and the conductor (46) has a mating end surface (461); The mating end surface (461) is exposed outside the second insulating coating layer (47) and abuts against the abutting ring surface (3111).

15. The electrocoagulation surgical instrument according to claim 12, characterized in that: The sheath (4) further comprises: The conductor (46) has a second accommodating hole (462), the stop ring surface (43) and the first accommodating hole (44), wherein the second accommodating hole (462) has an open end (4621) away from the first accommodating hole (44); and An insulating lining (48) includes an outer flange (481) and a cylinder (482), wherein the inner wall of the cylinder (482) forms the second slideway (42); The cylinder (482) is disposed in the second receiving hole (462), and the outer rim (281) is clamped at the opening end (4621).

16. The electrocoagulation surgical instrument according to claim 15, characterized in that: The moving part (5) further includes an insulating spacer block (56), and the insulating spacer block (56) is arranged between the first operating arm (51) and the second operating arm (52); The number of the outer rims (481) is two and the extension directions are opposite; The conductor (46) includes two supporting arms (464), and the two supporting arms (464) are protruded from the opening end (4621) and staggered with the two outer edges (481); The insulating spacer block (56) has a first hinge hole (B1) and a second hinge hole (B2), the second operating arm (52) has a third hinge hole (B3) and a fourth hinge hole (B4), the first operating arm (51) has a fifth hinge hole (B5) and a sixth hinge hole (B6), the support arm (464) has a seventh hinge hole (B7), and the moving head has an eighth hinge hole (B8); The first hinge hole (B1) and the third hinge hole (B3) are hinged to the seventh hinge hole (B7) at the same time, the second hinge hole (B2) and the fourth hinge hole (B4) are hinged to the fifth hinge hole (B5) at the same time, the eighth hinge hole (B8) is hinged to the sixth hinge hole (B6), and the two outer turned edges (481) correspond to the first operating arm (51) and the second operating arm (52) respectively.

17. The electrocoagulation surgical instrument according to claim 2, characterized in that: The pull line also includes: A conductive core (544) and a third insulating coating (545), wherein the third insulating coating (545) covers the corresponding area between the conductive core (544) and the rod (31), and the corresponding area between the conductive core (544) and the fixing portion (6) is exposed outside the third insulating coating.

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