CN219614016U - End effector for electrosurgical operation and electrosurgical instrument - Google Patents

Abstract

The utility model discloses an end effector for electrosurgical operation and an electrosurgical operation instrument, wherein the end effector comprises at least one movable clamp, the movable clamp comprises a sealing electrode and a connecting piece, the sealing electrode is fixedly connected with the connecting piece, the connecting piece is pivoted with a base through a pivot shaft, the connecting piece is provided with a cam groove, the base is provided with a waist-shaped groove, a transmission pin simultaneously penetrates through the cam groove and the waist-shaped groove, when the transmission pin moves along the direction of the waist-shaped groove, the movable clamp is driven to rotate around the pivot shaft, the connecting piece is an insulating member, and the sealing electrode is separated from the base through the connecting piece so that no contact point exists between the sealing electrode and the base. According to the utility model, the movable clamp is arranged into a split structure and is divided into two parts, the insulating structure connects the conductive structure with other metal structures of the wrist mechanism such as the base and the like, and can isolate the conductive structure from the metal structures, a certain physical distance is kept, and no contact point exists, so that the sealing electrode is installed and insulated.

Description

End effector for electrosurgical operation and electrosurgical instrument

Technical Field

The utility model relates to the technical field of surgical instruments, in particular to an end effector for electrosurgical operation and an electrosurgical instrument.

Background

Existing electrosurgical instruments, such as vascular sealers, are typically provided with movable jaws. The movable clamp is pivoted to the base through a rotating shaft. And the moveable clamp has a seal electrode. The driving force is rigidly transferred from the cam groove of the seal electrode to its sealing surface, which is typically connected to the driving mechanism/cam groove. The seal electrode must be electrically conductive so that mounting insulation of the seal electrode is required. The conventional insulation method is to provide an insulation coating at the cam groove for insulation. This insulation does not ensure the safety of the instrument to a great extent, resulting in the need for the instrument to be used a small number of times.

Disclosure of Invention

A series of concepts in a simplified form are introduced in the summary of the utility model, which will be described in further detail in the detailed description. The summary of the utility model is not intended to limit the critical and essential features of the claimed subject matter, nor is it intended to be used to determine the scope of the claimed subject matter.

To at least partially solve the above problems, the present utility model provides an end effector for electrosurgical procedures comprising at least one movable jaw including a sealing electrode and a connector fixedly coupled to the connector, the connector pivotally coupled to a base by a pivot axis, and

the connecting piece is provided with a cam groove, the base is provided with a waist-shaped groove, a transmission pin simultaneously passes through the cam groove and the waist-shaped groove, when the transmission pin moves along the direction of the waist-shaped groove, the movable clamp is driven to rotate around the pivot shaft,

wherein the connector is configured as an insulating member, and the sealing electrode is separated from the base by the connector such that there is no contact point therebetween.

According to this scheme, set up the activity pincers as split type structure, it is divided into two part structures, namely corresponds to the conductive structure of seal electrode and corresponds to the insulating structure of connecting piece. The insulating structure connects the conductive structure with other metal structures of the wrist mechanism such as the base, and can isolate the conductive structure from the metal structures, keep a certain physical distance and have no contact points, thereby realizing the installation insulation of the sealing electrode. The scheme can avoid the arrangement of the insulating coating, can ensure the safety of the instrument to a great extent and prolong the service life of the instrument. The size and the area of the insulating structure are large, the space distance between the sealing electrode and other metal structures of the wrist mechanism can be increased as much as possible, and the leakage and short circuit risks are reduced.

Optionally, the connecting piece is provided with a first hole, the pivot shaft passes through the first hole, the outer ring of the first hole is provided with a sleeve, the sealing electrode comprises a connecting part, the connecting part is provided with a second hole, and the sleeve passes through the second hole.

According to the scheme, the sleeve is arranged on the connecting piece, so that the sealing electrode can be easily insulated and isolated from the pivot shaft at the pivot position, the insulation effect is good, the reinforcing structure of the sealing electrode and the connecting piece at the pivot position is better, and the rigidity of the connecting piece can be kept.

Optionally, the second hole is circular or square or irregularly shaped, and the outer circumference of the sleeve is adapted to the shape of the second hole.

According to the scheme, the strength of the reinforcing structure between the sealing electrode and the connecting piece can be improved, so that the sealing electrode and the connecting piece can be stably and reliably connected.

Optionally, the connecting piece is provided with a mounting part adapted to at least part of the outer contour of the connecting part, and the connecting part is mounted in the mounting part.

According to the scheme, the shape-adaptive mounting part can limit the rotation of the sealing electrode relative to the connecting piece, so that the sealing electrode and the connecting piece are synchronous in rotation around the pivot shaft, the strength of the reinforcing structure between the sealing electrode and the connecting piece can be further improved, and the sealing electrode and the connecting piece can be stably and reliably connected.

Optionally, the mounting portion has a limiting opening and forms a limiting groove with between the sleeve, and the connecting portion of the sealing electrode is located in the limiting opening and the limiting groove and at least abuts against a wall surface forming the limiting opening.

According to this scheme, seal electrode can be by spacing groove and spacing opening restriction position, and installation stability is better, and the simple structure of installation department is convenient for manufacture.

Optionally, the movable clamp further comprises a spacer, the spacer covers one side of the connecting portion opposite to the connecting piece, and the spacer and the connecting piece form a coating on the connecting portion.

According to the scheme, the connecting part is coated, so that the sealing electrode is isolated from other metal structures such as the base in the axial direction, the installation insulation in the axial direction is realized, and the insulation effect is further improved.

Optionally, the spacer has a coverage area greater than a side area of the connection.

According to this scheme, the spacer has the bigger size than connecting portion, further avoids sealing electrode and other metals contact such as base, reaches better insulating effect.

Optionally, the connecting piece is provided with a wire slot, and the wire slot is communicated with the mounting part.

According to the scheme, wiring can be arranged in the wire slot and the installation part, and the installation of wires is facilitated.

Optionally, the mounting portion is located on a side of the connector facing the base or a side facing away from the base.

According to the scheme, in the scheme of one side towards the base, the situation that two clamps are blocked at the hinged position when in use can be reduced.

Optionally, the end effector comprises two movable jaws, and the cam grooves of the two movable jaws are symmetrically arranged relative to a central line along the waist-shaped groove in the length direction.

According to the scheme, the two movable forceps are required to be simultaneously operated so as to perform various electrosurgical operations; the driving pin can be correspondingly moved in the cam grooves of the two movable pliers, so that the opening and closing angles of the two movable pliers are the same, and the two movable pliers are convenient to operate.

Optionally, the base includes two support arms, two the connecting piece of movable pincers all is located two between the support arm, two the connecting piece of movable pincers all with two the support arm articulates, a driving pin passes simultaneously two the cam groove of connecting piece and two the waist type groove of support arm.

According to this scheme, the installation of two movable pincers is more reliable and stable, and the transmission of actuating force is convenient for to the mounting structure, makes these two movable pincers open and close easily.

Optionally, the end effector comprises a fixed jaw and a movable jaw, wherein the fixed jaw is fixedly connected with the base or integrally formed.

According to this solution, the one movable jaw needs to be manipulated to perform various forms of electrosurgical operation.

Optionally, the end effector further comprises a cutting electrode, the cutting electrode comprises a cutting component and a mounting seat, the mounting seat is fixedly connected to a sealing electrode of the movable clamp, at least part of the mounting seat protrudes out of the sealing electrode, the cutting component is located in the mounting seat, the cutting end of the cutting component slightly protrudes out of the mounting seat, and the mounting seat is constructed as a ceramic component and/or a polyether-ether-ketone component.

According to this scheme, compare with the current cutting electrode of silica gel overmoulding, the cutting electrode of this scheme has better thermal insulation performance, save heat that can be fine, restriction heat diffusion prevents that heat from losing, effectively avoids the tissue damage.

Optionally, the sealing electrode is provided with a groove, the mounting seat is located in the groove, and a plurality of fins are arranged at intervals on the part of the mounting seat located in the groove.

According to the scheme, the contact area between the cutting electrode and the sealing electrode can be reduced, and heat loss is reduced.

According to another aspect of the present utility model there is provided an electrosurgical instrument comprising a base and an end effector for electrosurgical procedures according to any of the preceding aspects, the end effector being pivotally connected to the base by a pivot axis.

Drawings

The following drawings are included to provide an understanding of the utility model and are incorporated in and constitute a part of this specification. Embodiments of the present utility model and their description are shown in the drawings to explain the principles of the utility model.

In the accompanying drawings:

FIG. 1 is a perspective view of an electrosurgical instrument including an end effector according to a preferred embodiment of the present utility model;

FIG. 2 is another perspective view of the electrosurgical instrument shown in FIG. 1 with the base removed;

FIG. 3 is a perspective view of the first movable clamp shown in FIG. 1;

FIG. 4 is an exploded perspective view of the first movable clamp shown in FIG. 1;

FIG. 5 is an exploded perspective view of the second movable clamp shown in FIG. 1;

FIG. 6 is an exploded perspective view of another embodiment of the second movable clamp shown in FIG. 1;

FIG. 7 is a perspective view of the cutting electrode shown in FIG. 1;

fig. 8 is another perspective view of the cutting electrode shown in fig. 1.

Reference numerals illustrate:

1 electrosurgical instrument 2 end effector

10 first movable jaw of 10a movable jaw

10b second moving jaw 11 seal electrode

12 connector 13 sleeve

14 mounting portion 15 limit opening

16 limit groove 17 connecting part

18 groove 30 base

31 support arm 33 waist type groove

41 pivot shaft 42 spacer

43 first hole 44 driving pin

45 cam groove 46 second hole

47 third hole 48 line groove

50 cutting electrode 51 cutting member

52 mount 53 mounting base

54 mounting boss 55 recess

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present utility model. It will be apparent, however, to one skilled in the art that the utility model may be practiced without one or more of these details. In other instances, well-known features have not been described in detail in order to avoid obscuring the utility model.

In the following description, a detailed description will be given for the purpose of thoroughly understanding the present utility model. It will be apparent that embodiments of the utility model may be practiced without limitation to the specific details that are familiar to those skilled in the art. Preferred embodiments of the present utility model are described in detail below, however, the present utility model may have other embodiments in addition to these detailed descriptions.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present utility model. As used herein, the singular is intended to include the plural unless the context clearly indicates otherwise. Furthermore, it will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

Ordinal numbers such as "first" and "second" cited in the present utility model are merely identifiers and do not have any other meaning, such as a particular order or the like. Also, for example, the term "first component" does not itself connote the presence of "second component" and the term "second component" does not itself connote the presence of "first component".

It should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", and the like are used herein for illustrative purposes only and are not limiting.

Exemplary embodiments according to the present utility model will now be described in more detail with reference to the accompanying drawings. These exemplary embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. It should be appreciated that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of these exemplary embodiments to those skilled in the art.

Referring to fig. 1-8, the present utility model provides an end effector 2 for electrosurgical procedures. The end effector 2 may be used with any suitable electrosurgical instrument 1, such as a vascular sealer. The end effector 2 is used to perform electrosurgical procedures such as cutting, shearing, grasping, clamping, gripping, engaging, and the like. The vascular sealer may be used in remote electrosurgical procedures such as cautery, autolysis, desiccation, tissue cutting, vascular cutting, and vascular occlusion.

As shown in fig. 1 and 2, the electrosurgical instrument 1 includes a base 30 and the end effector 2 described above. The end effector 2 is pivotally connected to the base 30 by a pivot shaft 41. The base 30 is typically a metal member. The end effector 2 may include at least one movable jaw 10. The illustrated embodiment shows two movable jaws 10, a first movable jaw 10a and a second movable jaw 10b, which are cooperatively turned about a pivot axis 41 to open and close. This solution requires simultaneous manipulation of the two movable jaws 10 to perform various forms of electrosurgical procedures. Two movable jaws 10 in the illustrated embodiment are described herein as an example.

Of course, in other embodiments not shown, the end effector 2 may have a variety of configurations, for example, the end effector 2 may include a fixed jaw and a movable jaw 10, the fixed jaw being fixedly coupled or integrally formed with the base 30. The movable jaw 10 is movable relative to the fixed jaw, in particular independently rotatable about a pivot axis 41. This solution requires manipulation of the one movable jaw 10 to perform various forms of electrosurgical procedures.

For the embodiment of the two movable clips 10, the cam grooves 45 of the two movable clips 10 are symmetrically arranged with respect to the center line in the longitudinal direction along the waist-shaped groove 33. Thus, the position of the drive pin 44 moving in the cam groove 45 of the two movable jaws 10 can be made to correspond to each other, and the opening and closing angles of the two movable jaws 10 can be made to be the same, thereby facilitating the operation.

The base 30 may include two arms 31. The connecting members 12 of the two movable pliers 10 are located between the two support arms 31, and the connecting members 12 of the two movable pliers 10 are hinged to the two support arms 31, specifically, the two support arms 31 and the connecting members 12 of the two movable pliers 10 are connected together through a pivot shaft 41. One drive pin 44 passes through both cam grooves 45 of the two links 12 and the waist-shaped grooves 33 of the two arms 31.

The movable jaw 10 may include a seal electrode 11 and a connector 12. The seal electrode 11 is located at the distal end side of the connection member 12 and can be fixedly connected to the connection member 12, and the connection member 12 is pivoted to the base 30 through the pivot shaft 41. The connecting member 12 is provided with a cam groove 45, the base 30 is provided with a waist-shaped groove 33, and a driving pin 44 passes through the cam groove 45 and the waist-shaped groove 33 at the same time. A drive mechanism may be coupled to the drive pin 44 to drive the drive pin 44 in the direction of the kidney slot 33. When the driving pin 44 moves in the direction of the waist-shaped groove 33, it also moves at different positions of the cam groove 45, and the cam groove 45 has a curved surface structure, so that the driving pin 44 drives the movable clamp 10 to rotate about the pivot shaft 41.

The connector 12 is configured as an insulating member, which may be constructed of any suitable insulating material. The seal electrode 11 is separated from the base 30 by the connector 12 so that there is no contact point therebetween, and the seal electrode 11 is physically separated from the base 30 both when it is rotated and when it is not rotated, and both are kept in a non-contact state. The present solution provides the movable clamp 10 as a split structure, which is divided into a two-part structure, namely a conductive structure corresponding to the seal electrode 11 and an insulating structure corresponding to the connector 12. The insulating structure connects the conductive structure with other metal structures of the wrist mechanism such as the base 30, and can isolate the conductive structure from the metal structures, keep a certain physical distance, and have no contact points, thereby realizing the installation insulation of the seal electrode 11. The scheme can avoid the arrangement of the insulating coating, can ensure the safety of the instrument to a great extent and prolong the service life of the instrument. The insulating structure has larger size and area, can increase the space distance between the sealing electrode 11 and other metal structures of the wrist mechanism as much as possible, and reduces the leakage and short circuit risks.

As shown in fig. 3 to 6, the connecting member 12 is provided with a first hole 43. The first hole 43 is located on the distal end side of the cam groove 45. The first hole 43 is circular, and the pivot shaft 41 is cylindrical and can pass through the first hole 43. In order to connect the seal electrode 11 with the connection member 12, the outer circumference of the first hole 43 may be formed with a sleeve 13. The pivot shaft 41 is disposed in the sleeve 13 in a penetrating manner, and an inner hole of the sleeve 13 is circular, so that the pivot shaft 41 is convenient to be matched. The seal electrode 11 includes a connection portion 17 at one end of the seal electrode 11. The connection portion 17 is provided with a second hole 46, and the sleeve 13 can pass through the second hole 46 to mount the seal electrode 11 to the outside of the sleeve 13. By providing the sleeve 13 on the connecting member 12, the seal electrode 11 can be easily insulated from the pivot shaft 41 at the pivot position, the insulation effect is good, and the seal electrode 11 has a better reinforcing structure with the connecting member 12 at the pivot position, so that the rigidity of the connecting member 12 can be maintained.

The second holes 46 may be circular or square or irregularly shaped, in other words, the second holes 46 may be any suitable shape. The outer circumference of the sleeve 13 is adapted to the shape of the second hole 46. The illustrated embodiment schematically shows that the second bore 46 is circular and the sleeve 13 is cylindrical. According to the scheme, the strength of the reinforcing structure between the sealing electrode 11 and the connecting piece 12 can be improved, and the sealing electrode 11 and the connecting piece 12 can be stably and reliably connected.

The connecting piece 12 is provided with a mounting portion 14 adapted to at least part of the outer contour of the connecting portion 17. The connection portion 17 is mounted in the mounting portion 14. The shape-adapted mounting portion 14 can limit the rotation of the seal electrode 11 relative to the connecting member 12, so that the rotation of the seal electrode 11 and the connecting member 12 about the pivot shaft 41 are synchronized, the strength of the reinforcing structure between the seal electrode 11 and the connecting member 12 can be further improved, and the seal electrode and the connecting member can be stably and reliably connected. The mounting portion 14 may have a limiting opening 15 and form a limiting groove 16 with the sleeve 13. The connection portion 17 of the seal electrode 11 is located in the limit groove 16 and the limit opening 15 and abuts at least the wall surface forming the limit opening 15. The connection portion 17 may abut against the wall surface forming the limit groove 16 and the wall surface forming the limit opening 15.

As shown in fig. 4 and 5, the moveable jaw 10 may also include a spacer 42. The separator 42 covers the connection portion 17 on the opposite side of the connection member 12, and the separator 42 and the connection member 12 form a coating on the connection portion 17 of the seal electrode 11. Specifically, one side of the connecting portion 17 in the axial direction is covered by the connecting member 12, the other side of the connecting portion 17 in the axial direction is covered by the spacer 42, and the connecting portion 17 is covered, so that the seal electrode 11 is isolated from other metal structures such as the base 30 in the axial direction, mounting insulation in the axial direction is realized, and the insulation effect is further improved. The cover area of the spacer 42 can be larger than the side area of the connection 17. The spacer 42 has a larger size than the connection portion 17, and further prevents the seal electrode 11 from contacting other metals such as the base 30, thereby achieving a better insulating effect.

The spacer 42 is provided with a third hole 47, and the sleeve 13 can pass through the third hole 47 so that the spacer 42 is mounted outside the sleeve 13. The third aperture 47 may be circular or square or irregularly shaped, in other words, the third aperture 47 may be any suitable shape. The outer circumference of the sleeve 13 is adapted to the shape of the third hole 47. The illustrated embodiment schematically shows that the third hole 47 is also circular. The spacer 42 is mounted in the mounting portion 14, specifically, in the limit groove 16 and the limit opening 15, and can abut against a wall surface forming the limit groove 16 and a wall surface forming the limit opening 15.

The mounting portion 14 is located on a side of the connector 12 facing the base 30 or on a side facing away from the base 30. The embodiment shown in fig. 1-5 schematically illustrates the mounting portion 14 on the side of the connector 12 facing away from the base 30. The embodiment shown in fig. 6 schematically illustrates that the mounting portion 14 is located on the side of the connector 12 facing the base 30 to reduce the likelihood of jamming in the hinged position when the two clamps are in use; in this embodiment, the spacer 42 is provided between the base 30 and the seal electrode 11 for mounting insulation.

Referring to fig. 6, the connecting member 12 may be provided with a slot 48, and the slot 48 may be capable of communicating with the mounting portion 14, specifically, with the limit slot 16 formed by the mounting portion 14 and the sleeve 13. Wiring can be provided in the wire slot 48 and the mounting portion 14 to facilitate the installation of the wire.

As shown in fig. 7 and 8, the end effector 2 may further include a cutting electrode 50. The cutting electrode 50 includes a cutting member 51 and a mount 52, the mount 52 being fixedly connected to the sealing electrode 11 of one movable jaw 10, i.e. to the second movable jaw 10b in the illustrated embodiment. At least part of the mounting seat 52 protrudes from the sealing electrode 11, the cutting member 51 is positioned in the mounting seat 52, and the cutting end of the cutting member 51 slightly protrudes from the mounting seat 52. The seal electrode 11 is provided with a recess 18 and the mount 52 is located within the recess 18.

Thermal spreading of the cutting electrode is also a problem to be solved, as if too much heat is spread from the instrument end to the surrounding tissue, the tissue is damaged. The existing cutting electrodes are overmolded with silicone, which allows heat to easily pass from the cutting electrode through the silicone and then to the sealing electrode. This results in the tissue being very prone to conduct such heat. The present utility model improves the material of the mount 52 and constructs the mount 52 as a ceramic member and/or a polyetheretherketone member. Compared with the traditional cutting electrode with excessive shaping of silica gel, the cutting electrode 50 of this scheme has better thermal insulation performance, can be fine save heat, restriction heat diffusion prevents that heat from losing, effectively avoids the tissue damage.

Mount 52 may include a mounting base 53 and a mounting boss 54. The mounting base 53 is mountable into the recess 18 with a cross-sectional shape that matches the cross-sectional shape of the recess 18. The mounting boss 54 can protrude from the mounting base 53 and have any suitable tapered shape having a trapezoidal or triangular cross-sectional shape. The mounting base 52 is also provided with a recess 55. The recess 55 extends from the mounting base 53 to the mounting boss 54 and has an opening at the mounting boss 54. The cutting member 51 is placed in the recess 55 via the opening.

Alternatively, the portion of the mounting block 52 that is located within the recess 18 may be provided with a plurality of fins at intervals. By means of the fins, the contact area between the cutting electrode 50 and the sealing electrode 11 can be reduced, reducing heat loss.

The end effector 2 for electrosurgical operation provided by the present utility model is provided with the movable jaw 10 in a split structure, which is divided into a two-part structure, i.e., a conductive structure corresponding to the seal electrode 11 and an insulating structure corresponding to the connector 12. The insulating structure connects the conductive structure with other metal structures of the wrist mechanism such as the base 30, and can isolate the conductive structure from the metal structures, keep a certain physical distance, and have no contact points, thereby realizing the installation insulation of the seal electrode 11. The scheme can avoid the arrangement of the insulating coating, can ensure the safety of the instrument to a great extent and prolong the service life of the instrument. The insulating structure has larger size and area, can increase the space distance between the sealing electrode 11 and other metal structures of the wrist mechanism as much as possible, and reduces the leakage and short circuit risks.

The sequence of steps of the method of the present embodiment may be adjusted, combined, or pruned as desired.

The flow described in all the preferred embodiments described above is only an example. Unless adverse effects occur, various processing operations may be performed in an order different from that of the above-described flow. The step sequence of the above-mentioned flow can also be added, combined or deleted according to the actual requirement.

Unless defined otherwise, technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model pertains. The terminology used herein is for the purpose of describing particular implementations only and is not intended to be limiting of the utility model. Features described herein in one embodiment may be applied to another embodiment alone or in combination with other features unless the features are not applicable or otherwise indicated in the other embodiment.

The present utility model has been described by way of the above embodiments, but it should be understood that the above embodiments are for illustrative and explanatory purposes only and that the utility model is not limited to the above embodiments, but is capable of numerous variations and modifications in accordance with the teachings of the utility model, all of which fall within the scope of the utility model as claimed.

Claims (15)

1. An end effector for electrosurgical procedures, comprising at least one movable jaw comprising a seal electrode and a connector, the seal electrode being fixedly connected to the connector, the connector being pivotally connected to a base by a pivot axis, and

the connecting piece is provided with a cam groove, the base is provided with a waist-shaped groove, a transmission pin simultaneously passes through the cam groove and the waist-shaped groove, when the transmission pin moves along the direction of the waist-shaped groove, the movable clamp is driven to rotate around the pivot shaft,

wherein the connector is configured as an insulating member, and the sealing electrode is separated from the base by the connector such that there is no contact point therebetween.

2. The end effector for electrosurgical procedures of claim 1, wherein the connector defines a first aperture through which the pivot shaft passes, an outer ring of the first aperture defining a sleeve, the seal electrode including a connector defining a second aperture through which the sleeve passes.

3. The end effector for electrosurgical procedures of claim 2, wherein the second aperture is circular or square or irregularly shaped, the outer circumference of the sleeve conforming to the shape of the second aperture.

4. The end effector for electrosurgical procedures of claim 2, wherein the connector defines a mounting portion that fits over at least a portion of an outer contour of the connector, the connector being mounted within the mounting portion.

5. The end effector for electrosurgical procedures according to claim 4, wherein the mounting portion has a limit opening and forms a limit groove with the sleeve, and the connecting portion of the seal electrode is located in the limit opening and the limit groove and abuts at least a wall surface forming the limit opening.

6. The end effector for electrosurgical procedures of any one of claims 2-5, wherein the articulating jaw further comprises a spacer that covers a side of the coupling portion opposite the coupling portion, the spacer and coupling portion forming a coating for the coupling portion.

7. The end effector for electrosurgical procedures according to claim 6, wherein the spacer has a footprint that is larger than a lateral area of the joint.

8. The end effector for electrosurgical procedures of claim 4, wherein the connector defines a wire slot that communicates with the mounting portion.

9. The end effector for electrosurgical procedures of claim 4, wherein the mounting portion is located on a side of the connector facing toward the base or a side facing away from the base.

10. The end effector for electrosurgical procedures of claim 1, wherein the end effector comprises two movable jaws, the cam grooves of the two movable jaws being symmetrically disposed about a midline along the length of the waist-shaped slot.

11. The end effector for electrosurgical procedures of claim 10, wherein the base comprises two arms, the connector of the two movable jaws being located between the two arms, the connector of the two movable jaws being hinged to the two arms, a drive pin passing through both the cam slot of the two connectors and the waist slot of the two arms.

12. The end effector for electrosurgical procedures of claim 1, wherein the end effector comprises a fixed jaw and a movable jaw, the fixed jaw being fixedly connected to or integrally formed with the base.

13. The end effector for electrosurgical procedures of claim 1, further comprising a cutting electrode comprising a cutting element and a mounting block, the mounting block being fixedly connected to a sealing electrode of one of the movable jaws, at least a portion of the mounting block protruding from the sealing electrode, the cutting element being positioned within the mounting block and a cutting end of the cutting element protruding slightly from the mounting block, the mounting block being constructed of a ceramic member and/or a polyetheretherketone member.

14. The end effector for electrosurgical procedures of claim 13, wherein the seal electrode is provided with a recess, the mount is located within the recess and a portion of the mount located within the recess is spaced apart with a plurality of fins.

15. An electrosurgical instrument comprising a base and the end effector for electrosurgical procedures of any one of claims 1 to 14, the end effector being pivotally connected to the base by a pivot axis.