CN220477650U - Radio frequency bipolar forceps - Google Patents

Abstract

The utility model belongs to the technical field of medical equipment, and discloses a radio frequency bipolar forceps which comprises a first clamping arm and a second clamping arm, wherein the first clamping arm comprises a first supporting piece, a first electrode piece and a first insulating assembly arranged between the first supporting piece and the first electrode piece; the second clamping arm comprises a second supporting piece, a second electrode piece and a second insulation assembly arranged between the second supporting piece and the second electrode piece, and the second supporting piece is connected with the first supporting piece; wherein, the first support piece and/or the first insulating component are/is provided with a support part. According to the radio frequency bipolar forceps provided by the utility model, the first supporting piece and the first electrode piece are separated by the first insulating component, the second supporting piece and the second electrode piece are separated by the second insulating component, so that the first electrode piece and the second electrode piece are prevented from being in short circuit through the first supporting piece and the second supporting piece, and the first electrode piece and the second electrode piece are prevented from being in direct contact to be in short circuit through the supporting part abutting against each other.

Description

Radio frequency bipolar forceps

Technical Field

The utility model relates to the technical field of medical appliances, in particular to a radio frequency bipolar forceps.

Background

High frequency surgery has been used for many years in human and veterinary medicine to coagulate and/or resect biological tissue. Among them, bipolar forceps are an indispensable and frequently used surgical instrument that is generally used to electrically burn tissue, hold, treat, and coagulate selected tissue during a surgical procedure.

At present, in the clinical use process, short circuit is easy to occur between two clamping arms of a jaw of the bipolar forceps, the service performance of the bipolar forceps is affected, and medical accidents can be possibly caused in severe cases.

Disclosure of Invention

The utility model aims to provide a radio frequency bipolar forceps which can effectively prevent short circuit from occurring between two clamping arms of a jaw.

To achieve the purpose, the utility model adopts the following technical scheme:

there is provided a radio frequency bipolar forceps comprising:

the first clamping arm comprises a first support piece, a first electrode piece and a first insulation assembly arranged between the first support piece and the first electrode piece, wherein the first insulation assembly is used for separating the first support piece and the first electrode piece;

the second clamping arm comprises a second supporting piece, a second electrode piece and a second insulation assembly arranged between the second supporting piece and the second electrode piece, wherein the second supporting piece is connected with the first supporting piece, and the second insulation assembly is used for separating the second supporting piece and the second electrode piece; wherein,

the first support piece and/or the first insulating component is/are provided with a support part, and the support part is used for abutting against the second electrode piece so as to keep the second electrode piece at a distance from the first electrode piece.

Optionally, the first insulating component includes a first half-wrapped insulating member, the first half-wrapped insulating member wraps the first supporting member, and the first half-wrapped insulating member is fixedly connected with the first electrode member.

Optionally, the supporting part comprises a first supporting part arranged on the first supporting part, the first half-package insulating part is provided with a protruding part which is arranged corresponding to the first supporting part, and the first electrode part is provided with a first perforation; wherein,

the protruding part penetrates through the first perforation;

the first supporting part penetrates through the protruding part and protrudes out of the first electrode part.

Optionally, the support portion includes a second support portion disposed on the first half-clad insulating member, a second through hole is disposed on the first electrode member, and the second support portion penetrates through the second through hole and protrudes from the first electrode member.

Optionally, the support part includes:

the first supporting part is arranged at the end part of the first supporting piece, which is opposite to one end connected with the second supporting piece;

the second supporting part is arranged on the first half-package insulating piece, a plurality of groups of second supporting parts are arranged along the length direction of the first half-package insulating piece, two first half-package insulating pieces are arranged in each group, and two second supporting parts of each group are arranged at intervals along the width direction of the first half-package insulating piece.

Optionally, the supporting part includes a plurality of first supporting parts, one of them first supporting part set up in first support spare dorsad with the tip of the one end that the second support spare is connected, remaining first supporting part is followed first support spare's length direction is provided with the multiunit, and every group is provided with two first supporting part, and two first supporting parts of every group are followed first support spare's width direction interval sets up.

Optionally, the week side of first electrode spare is provided with the orientation first surrounding edge that first support piece extends, be provided with a plurality of first joint grooves on the first surrounding edge, be provided with on the first half package insulating piece a plurality of with the first joint protruding of first joint groove one-to-one joint.

Optionally, the first insulating assembly further includes a first middle insulating plate disposed between the first electrode member and the first half-wrapped insulating member, the first middle insulating plate includes a first outer side surface and a first inner side surface that are disposed opposite to each other, the first outer side surface and the first electrode member face one side of the first half-wrapped insulating member to be attached, and the first inner side surface and the first half-wrapped insulating member face one side of the first electrode member to be attached.

Optionally, the second insulating assembly includes a second half-wrapping insulating member, the second half-wrapping insulating member wraps the second supporting member, and the second half-wrapping insulating member is fixedly connected with the second electrode member.

Optionally, the second insulating assembly further includes a second middle insulating plate disposed between the second electrode member and the second half-wrapping insulating member, and the second middle insulating plate includes a second outer side surface and a second inner side surface that are disposed opposite to each other, where the second outer side surface and the second electrode member are attached to one side of the second half-wrapping insulating member, and the second inner side surface and the second half-wrapping insulating member are attached to one side of the second electrode member.

The beneficial effects are that: according to the radio frequency bipolar forceps provided by the utility model, the first supporting piece and the first electrode piece are separated through the first insulating component, so that the first supporting piece is insulated from the first electrode piece, the second supporting piece is separated from the second electrode piece through the second insulating component, so that the second supporting piece is insulated from the second electrode piece, and further, the first electrode piece and the second electrode piece are prevented from being short-circuited through the first supporting piece and the second supporting piece; and through the design of the supporting part, the first electrode piece and the second electrode piece are kept at intervals, namely the short circuit phenomenon caused by direct contact of the first electrode piece and the second electrode piece is prevented, and the short circuit between two clamping arms of the jaw is effectively prevented.

Drawings

Fig. 1 is a schematic structural view of a radiofrequency bipolar forceps provided by the utility model;

FIG. 2 is a schematic view of a first clamping arm according to the present utility model;

FIG. 3 is a schematic view of a second clamping arm according to the present utility model;

FIG. 4 is an exploded view of a first clamp arm provided by the present utility model;

FIG. 5 is an exploded view of a second clamp arm provided by the present utility model;

FIG. 6 is a schematic view of a first semi-insulating element according to the present utility model;

FIG. 7 is a partial cross-sectional view of a first clamp arm provided by the present utility model;

fig. 8 is a schematic structural view of a second semi-insulating member according to the present utility model.

In the figure:

100. a first clamping arm; 110. a first support; 111. a first clamping part; 1111. a first support portion; 112. a first connection portion; 120. a first electrode member; 121. a first peripheral edge; 1211. a first clamping groove; 122. a first perforation; 123. a second perforation; 124. a first wiring portion; 130. a first insulating member; 131. a first semi-clad insulator; 1311. a first clamping protrusion; 1312. a first surrounding groove; 1313. a boss; 13131. a baffle ring part; 1314. a second supporting part; 1315. a first positioning groove; 132. a first intermediate insulating plate; 1321. a first outer side; 1322. a first inner side; 13221. a first convex portion;

200. a second clamping arm; 210. a second support; 211. a second clamping portion; 212. a second connecting portion; 220. a second electrode member; 221. a second peripheral edge; 2211. a second clamping groove; 222. a second wiring section; 230. a second insulating assembly; 231. a second semi-clad insulator; 2311. a second clamping protrusion; 2312. a second surrounding groove; 2313. a second positioning groove; 232. a second intermediate insulating plate; 2321. a second outer side; 2322. a second inner side; 23221. a second convex portion;

300. a support part;

410. a slit hole; 420. a drive shaft;

510. a first knife slot; 520. a second knife slot;

610. a first wire; 620. and a second wire.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

Referring to fig. 1 to 3, the present embodiment provides a rf bipolar forceps including a first clamping arm 100 and a second clamping arm 200.

Specifically, the first clamping arm 100 includes a first support 110, a first electrode 120, and a first insulating member 130 disposed between the first support 110 and the first electrode 120, the first insulating member 130 separating the first support 110 and the first electrode 120.

Specifically, the second clamping arm 200 includes a second support 210, a second electrode 220, and a second insulation member 230 disposed between the second support 210 and the second electrode 220, the second support 210 being connected to the first support 110, the second insulation member 230 being for separating the second support 210 and the second electrode 220.

The first supporting member 110 is provided with a supporting portion 300, or the first insulating member 130 is provided with a supporting portion 300, or the first supporting member 110 and the first insulating member 130 are both provided with a supporting portion 300, and the supporting portion 300 is used for abutting against the second electrode member 220 so as to keep the second electrode member 220 spaced from the first electrode member 120.

In the present embodiment, the first insulating assembly 130 separates the first support 110 and the first electrode 120 to insulate the first support 110 from the first electrode 120, and the second insulating assembly 230 separates the second support 210 and the second electrode 220 to insulate the second support 210 from the second electrode 220, so as to prevent the first electrode 120 and the second electrode 220 from being shorted by the first support 110 and the second support 210; and the first electrode 120 and the second electrode 220 are kept at intervals by the design of the supporting part 300, namely, the first electrode 120 and the second electrode 220 are prevented from being directly contacted to generate a short circuit phenomenon, and the two clamping arms of the jaw are effectively prevented from being short-circuited. In addition, the supporting part 300 also plays a role in fixing tissues, that is, when the two clamping arms clamp tissues, the supporting part 300 can squeeze the tissues, so that the tissues are rugged and clamped with the supporting part 300, and the two clamping arms can stably clamp the tissues.

For example, the first support 110 and the second support 210 may be made of metal.

Illustratively, the materials of the first insulating element 130 and the second insulating element 230 may be insulating materials.

Illustratively, both the first pole element 120 and the second pole element 220 may be plate-shaped.

In the present embodiment, referring to fig. 4 and 5, the first supporting member 110 includes a first clamping portion 111 and a first connecting portion 112, and the first clamping portion 111 and the first connecting portion 112 are respectively located at two ends of the first supporting member 110 along the length direction thereof. Further, the second supporting member 210 includes a second clamping portion 211 and a second connecting portion 212, and the second clamping portion 211 and the second connecting portion 212 are respectively located at two ends of the second supporting member 210 along the length direction thereof. The first electrode 120 is disposed corresponding to the first clamping portion 111, and the second electrode 220 is disposed corresponding to the second clamping portion 211. In this embodiment, the first connecting portion 112 is rotationally connected to the second connecting portion 212, and the first clamping portion 111 and the second clamping portion 211 are moved closer to or farther from each other by the rotation between the first connecting portion 112 and the second connecting portion 212, so that the jaws of the rf bipolar forceps are closed or opened.

In one possible embodiment, as shown in fig. 1 to 5, the first connecting portion 112 and the second connecting portion 212 are both provided with a long hole 410, a driving shaft 420 is inserted into the long hole 410, and the driving shaft 420 slides in the long hole 410 to realize the rotation between the first connecting portion 112 and the second connecting portion 212.

In the present embodiment, referring to fig. 1, 2 and 6, the first insulating assembly 130 includes a first half-package insulating member 131, the first half-package insulating member 131 is wrapped on the first supporting member 110, and the first half-package insulating member 131 is fixedly connected to the first electrode member 120. The first half-wrapping insulator 131 wraps the first clamping portion 111. In this embodiment, through the arrangement of the first half-wrapping insulating member 131, insulation separation between the first supporting member 110 and the first electrode member 120 can be achieved, and the first half-wrapping insulating member 131 wraps the first supporting member 110, so that the connection is stable, and the first half-wrapping insulating member 131 is effectively prevented from shifting relative to the first supporting member 110 or separating from the first supporting member 110 to affect clinical application. In addition, the first supporting member 110 can effectively prevent the first half-clad insulating member 131 from being deformed or broken, and effectively prevent the first electrode member 120 from being separated from the first half-clad insulating member 131.

In one possible embodiment, as shown in fig. 4 and 6, the first electrode 120 is provided with a first peripheral edge 121 extending toward the first support 110, a plurality of first clamping grooves 1211 are provided on the first peripheral edge 121, and a plurality of first clamping protrusions 1311, which are clamped with the first clamping grooves 1211 in a one-to-one correspondence, are provided on the first half-clad insulating member 131. In the embodiment, the first electrode member 120 is fixed on the first half-package insulating member 131 in a clamping manner, so that the assembly is convenient, and the arrangement of the plurality of first clamping grooves 1211 on the first peripheral edge 121 effectively prevents the first electrode member 120 from being separated from the first half-package insulating member 131.

The first peripheral edge 121 is provided with a plurality of first clamping grooves along the length direction thereof, that is, the first clamping grooves are distributed on the peripheral side of the first electrode member 120, so that the first electrode member 120 is not easy to separate from the first half-wrapping insulating member 131.

In a possible embodiment, as shown in fig. 4, 6 and 7, a first surrounding groove 1312 is formed on the first half-wrapping insulating member 131, the first clamping protrusion 1311 is disposed in the first surrounding groove 1312, the first surrounding edge 121 is inserted into the first surrounding groove 1312, the position of the first surrounding edge 121 is limited by the first surrounding groove 1312, so that the positioning and mounting of the first electrode member 120 relative to the first half-wrapping insulating member 131 are achieved, and the connection between the first electrode member 120 and the first half-wrapping insulating member 131 is further stabilized.

In one possible embodiment, as shown in fig. 1, 2, 6 and 7, the support 300 includes a first support 1111 disposed on the first support 110, a protrusion 1313 disposed corresponding to the first support 1111 is disposed on the first half-clad insulator 131, and a first through hole 122 is disposed on the first electrode member 120; the protrusion 1313 is disposed through the first through hole 122, and the first supporting portion 1111 is disposed through the protrusion 1313 and protrudes from the first electrode member 120. Specifically, the first support portion 1111 is provided on the first clamping portion 111. In this embodiment, when the jaw is closed, the first supporting portion 1111 abuts against the second electrode member 220, so that the second electrode member 220 is spaced apart from the first electrode member 120, and the first supporting portion 1111 is separated from the first electrode member 120 by the protrusion 1313, so that conduction between the first supporting portion 1111 and the first electrode member 120 is effectively avoided, and further, short circuit between two clamping arms of the jaw is prevented.

In particular, the boss 1313 may extend to coincide with an end face of the first bore 122 facing away from the first support 110. Of course, the boss 1313 may also be disposed in the first through hole 122 or protrude from an end surface of the first through hole 122 facing away from the first support member 110, which is not limited in this application.

Specifically, the first supporting portion 1111, the boss 1313, and the first penetrating hole 122 may be provided with at least one in one-to-one correspondence. Illustratively, the cross-sectional shape of the first support 1111 may include, but is not limited to, circular, triangular, and rectangular.

Illustratively, the support 300 includes a plurality of first support sections 1111, wherein one of the first support sections 1111 is disposed at an end of the first support 110 opposite to an end connected to the second support 210, and it is understood that the first support section 1111 is disposed at an end of the first clamping section 111; the remaining first support sections 1111 are provided with a plurality of groups in the length direction of the first support 110, two groups are provided, and two first support sections 1111 of each group are provided at intervals in the width direction of the first support 110. In this embodiment, the first supporting portions 1111 arranged in groups have better stability when the rf bipolar forceps clamp tissue, and it can be understood that no matter which side of the rf bipolar forceps along the width direction clamps tissue, the first supporting portions 1111 squeeze tissue, so as to effectively prevent the tissue from shifting relative to the first electrode member 120 and the second electrode member 220 or separating from the clamping of the first electrode member 120 and the second electrode member 220, thereby ensuring the clinical application effect; and when the tissue is clamped by the end of the first clamping portion 111, the tissue is pressed by the first supporting portion 1111 at the end of the first clamping portion 111 to prevent the tissue from being displaced relative to the first and second electrode pieces 120 and 220 or from being separated from the clamping of the first and second electrode pieces 120 and 220. Of course, the first supporting portion 1111 may also take other arrangements, which are not limited in this application.

In one possible embodiment, as shown in fig. 1, 2 and 6, the supporting portion 300 includes a second supporting portion 1314 disposed on the first half-wrapped insulating member 131, the first electrode member 120 is provided with a second through hole 123, and the second supporting portion 1314 penetrates the second through hole 123 and protrudes from the first electrode member 120. In the present embodiment, when the jaws are closed, the second support 1314 abuts the second pole element 220 to maintain the second pole element 220 spaced apart from the first pole element 120. In addition, the second supporting portion 1314 and the first half-wrapped insulating member 131 are integrally designed, so as to effectively prevent the second supporting portion 1314 from falling off from the first half-wrapped insulating member 131 and affecting clinical application.

Specifically, at least one of the second supporting portion 1314 and the second penetrating hole 123 may be provided in a one-to-one correspondence. Illustratively, the cross-sectional shape of the second support 1314 may include, but is not limited to, circular, triangular, and rectangular.

In one possible embodiment, as shown in fig. 1 and 2, the first support 1111 is disposed at an end of the first support 110 opposite to an end connected to the second support 210; the second support portions 1314 are provided with a plurality of groups in the length direction of the first half-packing insulator 131, two of each group, and two of the second support portions 1314 of each group are disposed at intervals in the width direction of the first half-packing insulator 131. The first support 1111 has a triangular cross-sectional shape, and the second support 1314 has a circular cross-sectional shape. In this embodiment, the first supporting portion 1111 is disposed at the end of the first clamping portion 111, and the embodiment of the second supporting portion 1314 being disposed in groups has the same effect as the embodiment of the supporting portion 300 including a plurality of first supporting portions 1111, which is not described in detail herein. In addition, the first supporting portion 1111 is made of metal, the second supporting portion 1314 is made of insulating material, the first supporting portion 1111 is disposed at an end portion of the first clamping portion 111, and in the embodiment in which the second supporting portion 1314 is disposed in groups, when the jaws of the rf bipolar forceps are closed, that is, the first supporting portion 1111 and the second supporting portion 1314 are both in contact with the second electrode member 220, the first supporting portion 1111 has high wear resistance, and is not easy to wear relative to the second electrode member 220, so that the second supporting portion 1314 has an indirect protection effect, and it can be understood that the second supporting portion 1314 will not wear relative to the second electrode member 220 as long as the first supporting portion 1111 does not wear, that is, the height of the first supporting portion 1111 is not changed. In the embodiment where the first supporting portions 1111 are disposed at the end portions of the first clamping portions 111 and the second supporting portions 1314 are disposed in groups, the first semi-insulating member 131 and the first supporting member 110 are convenient to be formed and manufactured.

In this embodiment, referring to fig. 4, the first insulating assembly 130 further includes a first middle insulating plate 132 disposed between the first electrode member 120 and the first half-wrapping insulating member 131, the first middle insulating plate 132 includes a first outer side 1321 and a first inner side 1322 that are disposed opposite to each other, the first outer side 1321 is attached to one side of the first electrode member 120 facing the first half-wrapping insulating member 131, the first inner side 1322 is attached to one side of the first half-wrapping insulating member 131 facing the first electrode member 120, the first middle insulating plate 132 has a supporting effect on the first electrode member 120, so as to effectively prevent the first electrode member 120 from deforming, ensure the service performance of the rf bipolar forceps, and the first middle insulating plate 132 has an insulating effect, so as to further prevent a short circuit between the first electrode member 120 and the first supporting member 110.

Specifically, the second supporting portion 1314 of the first half-clad insulating member 131 penetrates through the first middle insulating plate 132 to perform positioning and mounting functions. The second supporting portion 1314 is shaped like a stepped shaft, so as to facilitate the first middle insulating plate 132 to be inserted therethrough.

Specifically, the protrusion 1313 of the first half-clad insulator 131 penetrates the first intermediate insulating plate 132 to perform a positioning and mounting function. Further, a stopper ring portion 13131 is provided on the circumferential side of the end of the boss 1313, and a first outer side 1321 of the first intermediate insulating plate 132 abuts against an end of the stopper ring portion 13131 toward the first intermediate insulating plate 132 to fix the first intermediate insulating plate 132.

In one possible embodiment, as shown in fig. 4 and 6, a side of the first semi-insulating member 131 facing the first middle insulating plate 132 is provided with a first positioning groove 1315, and the first middle insulating plate 132 is disposed in the first positioning groove 1315, so that the first clamping arm 100 is compact.

In one possible embodiment, the first intermediate insulating plate 132 and the first half-clad insulating member 131 may be further fixed by means of gluing.

In this embodiment, referring to fig. 2 and 4, a first knife slot 510 may be formed on the first clamping arm 100, and the first knife slot 510 extends from the first electrode member 120 to the first middle insulating plate 132, which may be understood that the first knife slot 510 is formed on both the first electrode member 120 and the first middle insulating plate 132, so as to facilitate cutting of tissues.

Specifically, the first inner side 1322 of the first middle insulating plate 132 is provided with a first protrusion 13221, and the first sipe 510 extends into the first protrusion 13221 to increase the depth of the first sipe 510 to more conveniently cut the tissue. Further, the end of the first protrusion 13221 facing away from the first inner side 1322 is attached to the first support member 110, and the first support member 110 and the first electrode member 120 can be completely separated by the first semi-insulating member 131 and the first intermediate insulating member 132.

In one possible embodiment, the two first supporting parts 1111 arranged in a group are respectively located at two sides of the first knife slot 510, and the two first supporting parts 1111 arranged in a group can fix the tissue on the first electrode slice, so that the cutting is convenient.

In one possible embodiment, as shown in fig. 2, two second supporting portions 1314 arranged in a group are respectively located at two sides of the first knife slot 510, and the two second supporting portions 1314 arranged in a group can fix the tissue on the first electrode sheet, so that cutting is convenient.

In the present embodiment, referring to fig. 1, 3, 5 and 8, the second insulating assembly 230 includes a second half-package insulating member 231, the second half-package insulating member 231 is wrapped on the second supporting member 210, and the second half-package insulating member 231 is fixedly connected to the second electrode member 220. In the embodiment, through the arrangement of the second half-package insulating member 231, insulation separation between the second support member 210 and the second electrode member 220 can be achieved, and the second half-package insulating member 231 is coated on the second support member 210, so that the connection is stable, and the second half-package insulating member 231 is effectively prevented from shifting relative to the second support member 210 or separating from the second support member 210 to affect clinical application. In addition, the second supporting member 210 can effectively prevent the second half-packing insulating member 231 from being deformed or broken, and effectively prevent the second electrode member 220 from being separated from the second half-packing insulating member 231.

In one possible embodiment, as shown in fig. 5 and 8, a second peripheral edge 221 extending toward the second support 210 is disposed on a peripheral side of the second electrode member 220, a plurality of second clamping grooves 2211 are disposed on the second peripheral edge 221, and a plurality of second clamping protrusions 2311 which are clamped with the second clamping grooves 2211 in a one-to-one correspondence manner are disposed on the second half-package insulating member 231. In the embodiment, the second electrode member 220 is fixed on the second half-package insulating member 231 by means of clamping, so that assembly is convenient, and the second electrode member 220 is effectively prevented from being separated from the second half-package insulating member 231 by the arrangement of the plurality of second clamping grooves 2211 on the second peripheral edge 221.

The second peripheral edge 221 is provided with a plurality of second clamping grooves along the length direction thereof, that is, the second clamping grooves are distributed on the peripheral side of the second electrode member 220, so that the second electrode member 220 is not easy to separate from the second half-wrapping insulating member 231.

In a possible embodiment, as shown in fig. 8, a second enclosing slot 2312 is disposed on the second half-package insulating member 231, the second clamping protrusion 2311 is disposed in the second enclosing slot 2312, the second enclosing edge 221 is inserted into the second enclosing slot 2312, and the second enclosing slot 2312 limits the position of the second enclosing edge 221, so as to realize positioning and mounting of the second electrode member 220 relative to the second half-package insulating member 231, and further stabilize the connection between the second electrode member 220 and the second half-package insulating member 231.

In this embodiment, referring to fig. 5, the second insulating assembly 230 further includes a second middle insulating plate 232 disposed between the second electrode member 220 and the second semi-wrapping insulating member 231, the second middle insulating plate 232 includes a second outer side surface 2321 and a second inner side surface 2322 that are disposed opposite to each other, the second outer side surface 2321 is attached to one side of the second electrode member 220 facing the second semi-wrapping insulating member 231, the second inner side surface 2322 is attached to one side of the second semi-wrapping insulating member 231 facing the second electrode member 220, the second middle insulating plate 232 has a supporting function on the second electrode member 220, so as to effectively prevent the second electrode member 220 from deforming, ensure the service performance of the rf bipolar forceps, and the second middle insulating plate 232 has an insulating effect, so as to further prevent a short circuit between the second electrode member 220 and the second supporting member 210.

In one possible embodiment, as shown in fig. 5 and 8, a second positioning groove 2313 is provided at a side of the second half-pack insulator 231 facing the second middle insulating plate 232, and the second middle insulating plate 232 is disposed in the second positioning groove 2313 to position the installation of the second middle insulating plate 232 and to make the structure of the second clamping arm 200 compact.

In one possible embodiment, the second intermediate insulating plate 232 and the second half-pack insulating member 231 may be further fixed by means of gluing.

In this embodiment, referring to fig. 3 and 5, the second clamping arm 200 may be provided with a second knife slot 520, and the second knife slot 520 extends from the second electrode member 220 to the second middle insulating plate 232, which can be understood that the second knife slot 520 is provided on both the second electrode member 220 and the second middle insulating plate 232, so as to facilitate cutting of tissues.

Specifically, the second inner side 2322 of the second intermediate insulating plate 232 is provided with a second protrusion 23221, and the second sipe 520 extends into the second protrusion 23221 to increase the depth of the second sipe 520 to more conveniently cut tissue. Further, the end of the second convex portion 23221 facing away from the second inner side 2322 is attached to the second support member 210, and the second support member 210 and the second electrode member 220 can be completely separated by the second half-clad insulating member 231 and the second intermediate insulating plate 232.

In the present embodiment, referring to fig. 4 and 5, the first electrode member 120 is provided with a first connection portion 124, the first connection portion 124 is used for connecting to the first wire 610, the second electrode member 220 is provided with a second connection portion 222, the second connection portion 222 is used for connecting to the second wire 620, and the first electrode member 120 and the second electrode member 220 are connected to the terminal device through the first wire 610 and the second wire 620, respectively. Wherein the terminal device may be an electro-coagulation surgical device.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims (10)

1. A radio frequency bipolar forceps, comprising:

a first clamping arm (100) comprising a first support (110), a first electrode (120) and a first insulating assembly (130) arranged between the first support (110) and the first electrode (120), the first insulating assembly (130) being used for separating the first support (110) and the first electrode (120);

a second clamping arm (200) comprising a second support (210), a second electrode (220) and a second insulation assembly (230) arranged between the second support (210) and the second electrode (220), wherein the second support (210) is connected with the first support (110), and the second insulation assembly (230) is used for separating the second support (210) and the second electrode (220); wherein,

the first support (110) and/or the first insulating assembly (130) are/is provided with a support (300), and the support (300) is used for abutting against the second electrode (220) so as to keep the second electrode (220) at a distance from the first electrode (120).

2. The rf bipolar forceps of claim 1, wherein the first insulating assembly (130) comprises a first semi-insulating member (131), the first semi-insulating member (131) is wrapped on the first support member (110), and the first semi-insulating member (131) is fixedly connected to the first electrode member (120).

3. The rf bipolar forceps according to claim 2, wherein the support (300) comprises a first support (1111) provided on the first support (110), the first semi-insulating member (131) is provided with a protrusion (1313) provided corresponding to the first support (1111), and the first electrode member (120) is provided with a first through hole (122); wherein,

the boss (1313) penetrates through the first through hole (122);

the first supporting part (1111) is arranged to penetrate through the protruding part (1313) and protrude from the first electrode member (120).

4. The rf bipolar forceps according to claim 2, wherein the support (300) comprises a second support (1314) disposed on the first semi-insulating member (131), the first electrode member (120) is provided with a second through hole (123), and the second support (1314) is disposed through the second through hole (123) and protrudes from the first electrode member (120).

5. The radiofrequency bipolar forceps of claim 2, characterized in that the support (300) comprises:

a first support (1111) provided at an end of the first support (110) facing away from an end connected to the second support (210);

the second supporting parts (1314) are arranged on the first half-package insulating pieces (131), a plurality of groups of second supporting parts (1314) are arranged along the length direction of the first half-package insulating pieces (131), each group is provided with two first half-package insulating pieces (131), and the two second supporting parts (1314) of each group are arranged at intervals along the width direction of the first half-package insulating pieces (131).

6. The rf bipolar forceps according to claim 1, wherein the support portion (300) comprises a plurality of first support portions (1111), wherein one of the first support portions (1111) is disposed at an end portion of the first support member (110) facing away from an end connected with the second support member (210), the remaining first support portions (1111) are provided with a plurality of groups along a length direction of the first support member (110), each group is provided with two first support members (110), and two first support portions (1111) of each group are disposed at intervals along a width direction of the first support member (110).

7. The rf bipolar forceps according to claim 2, wherein a first surrounding edge (121) extending towards the first support member (110) is disposed on a peripheral side of the first electrode member (120), a plurality of first clamping grooves (1211) are disposed on the first surrounding edge (121), and a plurality of first clamping protrusions (1311) which are clamped in one-to-one correspondence with the first clamping grooves (1211) are disposed on the first semi-insulating member (131).

8. The radiofrequency bipolar forceps of claim 2, wherein the first insulating assembly (130) further comprises a first intermediate insulating plate (132) disposed between the first electrode member (120) and the first semi-insulating member (131), the first intermediate insulating plate (132) comprising a first outer side (1321) and a first inner side (1322) disposed opposite each other, the first outer side (1321) being in engagement with a side of the first electrode member (120) facing the first semi-insulating member (131), the first inner side (1322) being in engagement with a side of the first semi-insulating member (131) facing the first electrode member (120).

9. The rf bipolar forceps of claim 1, wherein the second insulating assembly (230) comprises a second semi-encased insulating member (231), the second semi-encased insulating member (231) is encased on the second support member (210), and the second semi-encased insulating member (231) is fixedly connected to the second electrode member (220).

10. The rf bipolar forceps of claim 9, wherein the second insulating assembly (230) further comprises a second intermediate insulating plate (232) disposed between the second electrode member (220) and the second semi-insulating member (231), the second intermediate insulating plate (232) comprising a second outer side (2321) and a second inner side (2322) disposed opposite each other, the second outer side (2321) being in engagement with a side of the second electrode member (220) facing the second semi-insulating member (231), the second inner side (2322) being in engagement with a side of the second semi-insulating member (231) facing the second electrode member (220).