CN111803146A - A laparoscopic separating forceps with suction function - Google Patents

Abstract

The invention discloses a laparoscopic separating forceps with a suction function, comprising a forceps head, a forceps rod and an operating part. The first end of the forceps rod is connected with the forceps head, and the second end of the forceps rod is connected with the operating part. The part controls the opening and closing of the forceps head; it also includes a suction part, the suction part includes a suction channel, a suction inlet and an aspirator joint, wherein the suction part is arranged on the outer wall of the forceps rod, and the suction inlet is arranged in the suction channel close to the forceps One end of the first end of the rod, the suction joint is arranged at the end of the suction channel close to the second end of the pliers rod; the suction channel can reciprocate relative to the pliers rod in the direction along the axis of the pliers rod, and the suction channel can move until the suction channel completely covers the pliers head. The laparoscopic separating forceps with the suction function in the present invention enables the operations of the separating forceps and the suction device to be completed in the same working channel, and there is no need to repeatedly withdraw the suction device or the separating forceps during the operation.

Description

A laparoscopic separating forceps with suction function

technical field

The invention belongs to the technical field of medical devices, and in particular relates to a laparoscopic separating forceps with an aspirator function.

Background technique

In laparoscopic surgery, a variety of instruments are usually used for surgical operations. For example, separation forceps and suction are two kinds of instruments that are often used. During surgery, in order to complete separation, forceps support and suction during surgery For operations such as suction, it is often necessary to replace different surgical instruments; frequent replacement of surgical instruments will prolong the operation time, or multiple surgical openings are required to use multiple surgical instruments at the same time. Whether it is frequent replacement of surgical instruments or multiple surgical openings, it increases the operation time and surgical trauma, thereby increasing the risk of surgery.

Therefore, it is very necessary to develop a laparoscopic separation forceps with suction function.

SUMMARY OF THE INVENTION

In order to solve the technical problem of frequent replacement of surgical instruments or multiple surgical openings caused by the single function of surgical instruments in clinical laparoscopic surgery, the present invention provides a laparoscopic separation forceps with a suction function.

A laparoscopic separation forceps with suction function, comprising a forceps head, a forceps rod and an operating part, the first end of the forceps rod is connected with the forceps head, the second end of the forceps rod is connected with the operating part, and the The operation part controls the opening and closing of the forceps head; it is characterized in that it also includes a suction part, the suction part includes a suction channel, a suction inlet and an suction joint, wherein the suction part is arranged on the outer wall of the forceps rod, so The suction inlet is arranged at one end of the suction channel close to the first end of the pliers rod, and the suction joint is arranged at one end of the suction channel close to the second end of the pliers rod; The axis of the rod is capable of reciprocating movement relative to the pliers rod, and the suction channel is movable until the suction channel completely covers the pliers head.

In the laparoscopic separation forceps with suction function of the present invention, the suction part can reciprocate relative to the forceps rod, and when the suction channel completely covers the forceps head, the forceps head is completely hidden in the suction channel, wherein The suction inlet is completely exposed. By connecting the suction device to the suction interface, the suction of particles floating in the gas, smoke and liquid generated during the cutting of tissue during laparoscopic surgery can be well completed; it is closed when no suction is required. Use the suction device to return the suction channel to a position that does not affect the opening and closing of the forceps head to continue other operations. In the present invention, the separation forceps has the function of an aspirator, so that the operations of the separation forceps and the aspirator can be completed in the same working channel, and there is no need to repeatedly withdraw the aspirator or the separation forceps during the operation.

Further, the suction channel is formed by the gap between the suction outer rod sleeved on the outer circumference of the tongs rod and the outer wall of the tongs rod. In this setting, the suction channel is formed by sleeved the outer circumference of the pliers rod, so that the separation pliers in the present invention and the traditional separation pliers have little difference in the size of the working channel, so as to minimize the size of the working channel in the present invention. The requirements of the device for the working channel avoid the risk of excessive wound caused by the excessive channel.

Further, the first end of the attracting outer rod is set close to the first end of the clamp rod, the second end of the attracting rod is set close to the second end of the clamp rod; the first end of the attracting outer rod and the first end of the clamp rod are arranged The ends are connected by a deformable structure, and the second end of the attracting outer rod is connected with the second end of the pliers rod by a deformable structure. In this arrangement, the arrangement of the deformable structure makes the overall structure simple, easy to manufacture and low in cost.

Further, the deformable structure is an elastic body or a soft body structure that can be contracted and stretched. In this setting, the elastic body refers to the deformable structure with certain elasticity, for example, it can be made of silicone; in addition, the soft structure can be a cloth-like structure with airtightness, such as soft plastic; both structures can be used. It is to allow the movement of the attracting outer rod relative to the clamp rod without affecting the absolute position of the clamp rod.

Further, a non-deformable connecting portion is also provided between the second end of the forceps rod and the deformable structure, and the suction connector is arranged on the connecting portion and communicates with the suction channel. In this setting, the suction joint is arranged on the non-deformable connection part, so that the suction interface can not be affected by the movement of the suction outer rod, so as to ensure that the connection between it and the suction is not affected, and further ensure the suction effect. Not affected.

Further, the first end of the suction outer rod is provided with a curved portion bent toward the outer wall of the pliers rod, the side of the curved portion facing the pliers head is an arc surface, and the suction inlet includes a plurality of through the curved portion. The through hole is used to communicate the suction channel with the outside world. In this arrangement, the arrangement of the curved portion makes the external position of the attracting outer rod belong to a rounded structure, so as to avoid scratching the internal organs; the arrangement of the through hole ensures the suction.

Further, the operating component includes an operating base and an operating handle arranged on the operating base, the operating handle is used to control the opening and closing of the pliers; the operating base is provided with an operating handle for accommodating the pliers A receiving cavity for the second end of the rod. In this arrangement, the operation components are further limited, and the operation handle to control the opening and closing of the pliers has a simple structure and is convenient to operate.

Further, it also includes a suction control member connected with the suction outer rod, the suction control member is arranged on the operation base; the suction control member is used to control the suction outer rod relative to the pliers rod. Location. The position of the suction inlet relative to the forceps head. In this arrangement, the suction control member can well control the position of the suction outer rod relative to the pliers rod, thereby controlling the position of the suction inlet relative to the pliers head, thereby ensuring the best suction effect.

Further, the suction control member includes a pull button, a spring and a limiter, wherein the pull button is arranged on the outer wall near the second end of the outer suction rod, and the spring is sleeved on the outer wall of the outer suction rod. The outer periphery is arranged in the accommodating cavity, the first end of the spring is fixedly connected to the pulling button, and the second end of the spring is fixedly connected to the inner wall of the accommodating cavity; the limiting member is arranged on the operating base , used to limit the position of the pull button to counteract the force of the spring on the pull button, and the limiter can be selectively used. In this arrangement, the suction control part is limited, the structure is simple, and the operation is convenient.

Further, the pliers head and the pliers rod are detachably connected. In this arrangement, the pliers head and the pliers rod are detachably connected, so that it is convenient to replace the pliers heads of different forms, and at the same time, it is convenient to thoroughly sterilize the whole structure after disassembly.

In the laparoscopic separating forceps with suction function provided in the present invention, due to the arrangement of the suction components, the separating forceps have the function of suction devices, so that the operations of the separating forceps and the suction device can be completed in the same working channel, In addition, there is no need to repeatedly withdraw the suction device or the separation forceps during the operation; a suction channel is formed by sheathing a suction outer rod on the outer circumference of the forceps rod, so that the separation forceps in the present invention and the traditional separation forceps have little difference in the size of the working channel. Therefore, the requirements for the working channel of the device in the present invention are reduced to the greatest extent, and the risk of an excessively large wound caused by an excessively large channel is avoided.

Description of drawings

1 is a schematic perspective view of the overall structure of a laparoscopic separating forceps with suction function in an embodiment of the present invention with the forceps head in a closed state;

2 is a schematic front view of the overall structure of a laparoscopic separating forceps with an aspirator function in an embodiment of the present invention with the forceps head in a closed state;

3 is an exploded schematic diagram of a laparoscopic separation forceps with an aspirator function in an embodiment of the present invention;

4 is a schematic front view of the suction outer rod and the forceps rod in a laparoscopic separation forceps with suction function according to an embodiment of the present invention;

5 is a partially enlarged schematic view of the suction outer rod in the suction head in a laparoscopic separation forceps with suction function according to an embodiment of the present invention;

6 is a partial enlarged cross-sectional view of the suction outer rod in the suction head in a laparoscopic separating forceps with suction function according to an embodiment of the present invention;

7 is a partially enlarged schematic view of the suction connection rod head of the suction outer rod in a laparoscopic separation forceps with suction function according to an embodiment of the present invention;

FIG. 8 is a schematic front view of a laparoscopic separating forceps with suction function in an suction state according to an embodiment of the present invention;

9 is a partially enlarged schematic view of the suction head in the suction state of a laparoscopic separating forceps with suction function according to an embodiment of the present invention;

10 is a schematic front view of the overall structure of a laparoscopic separating forceps with an aspirator function in an embodiment of the present invention with the forceps head in an open state;

11 is a schematic diagram of the overall structure of the forceps head in a closed state of the forceps head in a laparoscopic separation forceps with an aspirator function according to an embodiment of the present invention;

12 is a schematic diagram of the overall structure of the forceps head in a laparoscopic separation forceps with an aspirator function in an embodiment of the present invention where the forceps head is in an open state;

13 is a schematic structural diagram of the connection between the forceps head and the movable rod in a laparoscopic separation forceps with an aspirator function according to an embodiment of the present invention.

In the figure, 100, clamp head; 101, clamp piece; 110, connecting rod; 120, movable rod; 121, first end of movable rod; 122, second end of movable rod; 130, hinge joint; 131, first hinge point ; 132, block structure; 200, clamp rod; 201, deformable structure; 202, connecting part; 210, first end of clamp rod; 220, second end of clamp rod; 300, operating part; 310, operating base; 311 , groove body; 320, operating handle; 410, suction channel; 420, suction inlet; 421, curved part; 422, through hole; 430, suction joint; 440, suction outer rod; 441, first end of suction outer rod; 442, the second end of the attracting outer rod; 500, the attracting control part; 510, the pulling button; 520, the spring; 600, the electrocoagulation interface.

Detailed ways

The embodiments of the present invention will be described in detail below with reference to the accompanying drawings. Some structures are not shown in the accompanying drawings, but those skilled in the art can obtain from the content of the present invention.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terms used herein in the description of the present invention are for the purpose of describing specific embodiments only, and are not intended to limit the present invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Embodiment A laparoscopic separation forceps with suction function

FIG. 1 is a schematic perspective view of the overall structure of the laparoscopic separation forceps with suction function in the present embodiment with the forceps head 100 in a closed state, and FIG. 2 is the laparoscopic separation forceps with suction function according to the present embodiment. A schematic front view of the overall structure of the forceps head 100 in a closed state; as shown in Figures 1-2, a laparoscopic separation forceps with an aspirator function in this embodiment includes a forceps head 100, a forceps rod 200 and an operating part 300, the first end 210 of the pliers rod is connected with the pliers head 100, the second end 220 of the pliers rod is connected with the operating part 300, and the opening and closing of the pliers head 100 is controlled by the operating part 300; it also includes a suction part, and the suction part includes The suction channel 410, the suction inlet 420 and the suction joint 430, wherein the suction component is arranged on the outer wall of the pliers rod 200, the suction inlet 420 is arranged at the end of the suction channel 410 close to the first end 210 of the pliers rod, and the suction joint 430 is arranged at the end of the first end 210 of the pliers rod. The suction channel 410 is close to one end of the second end 220 of the forceps rod; In this embodiment, the suction member can reciprocate relative to the forceps rod 200. When the suction channel 410 therein completely covers the forceps head 100, the forceps head 100 is completely hidden into the suction channel 410, and the suction inlet 420 is completely exposed. , By connecting the suction device to the suction interface, the suction of the particles floating in the gas, smoke and liquid generated during the cutting of tissue in laparoscopic surgery can be well completed; When the channel 410 returns to a position that does not affect the opening and closing of the forceps head 100, other operations can be continued. In the present invention, the separation forceps has the function of an aspirator, so that the operations of the separation forceps and the aspirator can be completed in the same working channel, and there is no need to repeatedly withdraw the aspirator or the separation forceps during the operation.

FIG. 3 is an exploded schematic diagram of the laparoscopic separation forceps with suction function in this embodiment. As shown in FIG. 3 , the structure in this embodiment is roughly divided into three parts. The uppermost part in the exploded view in FIG. 3 is The forceps head 100 and the parts connected thereto, the middle part is the part forming the suction channel 410 , and the lowermost part is the part of the operation part 300 . In this embodiment, the pliers rod 200 is located in the middle part of the suction channel 410 , and the part between the pliers head 100 and the pliers rod 200 is a detachable structure, so the pliers head 100 is a replaceable structure, and an appropriate one can be selected according to needs during use Clamp head 100 structure.

This embodiment specifically improves the suction channel 410. In this embodiment, the suction channel 410 is formed by the gap between the suction outer rod 440 sleeved on the outer circumference of the clamp rod 200 and the outer wall of the clamp rod 200. The suction channel 410 is formed by sheathing the suction outer rod 440 on the outer circumference of the forceps rod 200, so that the separation forceps in the present invention and the traditional separation forceps have little difference in the size of the working channel, thereby maximally reducing the size of the working channel of the device in the present invention. The requirements of the working channel, avoiding the risk of excessive wound caused by the channel is too large.

FIG. 4 is a schematic front view of the suction outer rod 440 and the forceps rod 200 in the laparoscopic separation forceps with suction function in this embodiment, and FIG. 5 is the laparoscopic separation with suction function in this embodiment. A partial enlarged schematic view of the suction outer rod 440 in the forceps in the suction head; FIG. 6 is a partial enlarged cross-sectional view of the suction outer rod 440 in the suction head in the laparoscopic separation forceps with suction function in this embodiment; 7 is a partially enlarged schematic view of the suction outer rod 440 in the suction connecting rod 110 head in the laparoscopic separating forceps with suction function in this embodiment.

As shown in FIGS. 4-7 , the clamp rod 200 and the attracting outer rod 440 in this embodiment are both hollow rod-shaped structures. The first end 441 of the attracting outer rod is disposed close to the first end 210 of the pliers rod, and the second end of the attracting rod is disposed close to the second end 220 of the pliers rod; The deformable structure 201 is connected, and the second end 442 of the attracting outer rod is connected to the second end 220 of the pincer rod through the deformable structure 201 . The arrangement of the deformable structure 201 makes the overall structure simple, easy to manufacture, and low in cost.

Specifically, the deformable structure 201 is an elastic body as a whole; or the deformable structure 201 is a soft body structure that can be contracted and stretched. The elastic body means that the deformable structure 201 has a certain elasticity, for example, it can be made of silicone; in addition, the soft structure can be a cloth-like structure with airtightness, such as soft plastic; both structures are allowed to attract external Movement of the rod 440 relative to the clamp bar 200 does not affect the absolute position of the clamp bar 200 . As shown in FIGS. 5-7 , the deformable structure 201 in this embodiment adopts a soft body structure that can be contracted and stretched, and more specifically, the structure is a soft body structure with folds surrounding the circumference of the pliers rod 200 . , wherein the folds can be stretched and contracted, wherein the deformable structure 201 can be made of existing medical materials, such as medical polymer materials polyvinyl chloride, polyethylene or others. In some embodiments, the whole of the deformable structure 201 is an elastomer means that the whole of the deformable structure is made of a material with elasticity, for example, it can be used to manufacture medical rubber. Of course, other medical materials that can achieve the functions in this embodiment can be used in this embodiment, and those skilled in the art can select and use them as needed, which are not specifically listed or limited here.

Preferably, as shown in FIG. 7 , in this embodiment, a non-deformable connecting portion 202 is further provided between the second end 220 of the forceps rod and the deformable structure 201 , and the suction connector 430 is arranged on the connecting portion 202 and is connected to the suction channel. 410 Connected. The non-deformable connecting portion 202 in this application is a non-deformable structure. Those skilled in the art can understand that the non-deformable is relative, which is mainly relative to the deformable structure 201. Specifically, the connecting portion 202 can adopt For example, the medical stainless steel material, of course, can also be other materials with weak deformability, which will not be specifically listed and limited here. In use, the suction interface in this embodiment is connected with the suction device, and the suction connector 430 is arranged on the non-deformable connecting portion 202, so that the suction interface can not be affected by the movement of the suction outer rod 440, thereby ensuring that it is connected with the suction device. The connection between the devices is not affected, further ensuring that the attraction effect is not affected.

As shown in FIGS. 5-6 , the first end 441 of the suction outer rod in this embodiment is provided with a curved portion 421 bent toward the outer wall of the forceps rod 200 , and the curved portion 421 facing the forceps head 100 is an arc surface, and the suction inlet 420 It includes a plurality of through holes 422 penetrating the curved portion 421 , and the through holes 422 are used to communicate the suction channel 410 with the outside world. The setting of the curved portion 421 makes the external position of the attracting outer rod 440 belong to a rounded structure, so as to avoid scratching the internal organs; the setting of the through hole 422 ensures the suction. The suction inlet 420 adopts the through hole 422 provided on the curved portion 421, which has a simple structure and is easy to manufacture.

The operating component 300 in this embodiment includes an operating base 310 and an operating handle 320 disposed on the operating base 310. The operating handle 320 is used to control the opening and closing of the forceps head 100; The receiving cavity of the end 220 (not shown in the figure). Preferably, an electrocoagulation interface 600 may also be provided on the operation base 310 , and the electrocoagulation interface 600 may be a single-stage electrocoagulation interface 600 or a bipolar electrocoagulation interface 600 . The figure only shows the position of the electrocoagulation interface 600 , and the structure of other parts can be designed according to the prior art in the field, which will not be repeated here.

Preferably, this embodiment further includes a suction control member 500 connected to the suction outer rod 440, the suction control member 500 is disposed on the operation base 310; the suction control member 500 is used to control the suction outer rod 440 relative to the clamp rod 200 position. A change in the position of the suction outer rod 440 relative to the forceps rod 200 also changes the position of the suction inlet 420 relative to the forceps head 100 . The setting of the suction control member 500 can well control the position of the suction outer rod 440 relative to the forceps rod 200, thereby controlling the position of the suction inlet 420 relative to the forceps head 100, so that the suction inlet 420 is directed toward the forceps head 100 when a suction operation is required. The direction is extended so that the suction channel 410 covers the forceps head 100, so that the suction inlet 420 is located at the front end of the entire separation forceps, and the forceps head 100 will not affect the suction process, thereby ensuring the best suction effect.

Since the suction joint 430 is not always in use, in some embodiments, a cover (not shown in the figure) for covering the suction joint 430 may also be provided. The suction connector 430 is covered to prevent debris from entering the suction channel 410 or blocking the suction connector 430 .

Specifically, the attracting control member 500 includes a pulling button 510, a spring 520 and a limiting member (not shown in the figure), wherein the pulling button 510 is arranged on the outer wall near the second end 442 of the outer suction rod, and the spring 520 is sleeved on the outer wall of the outer suction rod. The outer periphery of the outer rod 440 is attracted and is arranged in the accommodating cavity, the first end of the spring 520 is fixedly connected to the pull button 510, and the second end of the spring 520 is fixedly connected to the inner wall of the accommodating cavity; the limiter (not shown in the figure) It is disposed on the operating base 310 and is used to limit the position of the pull button 510 to offset the force of the spring 520 on the pull button 510, and the limiting member can be selectively used. As shown in FIGS. 1-2 and 8 , the operating base 310 is provided with a groove body 311 penetrating the operating base 310 , wherein the pull button 510 extends through the groove body 311 to the outside of the operating base 310 .

In some embodiments, the limiting member may be disposed between the pull button and the attracting outer rod 440, and the limiting member may be realized or released when the pulling button is pressed. For example, the limiting member can also be set as a blocking member on the operation base 310, and the blocking member can be rotated and fixed at a position that can prevent the pull button from sliding, so that the position of the pull button can be limited.

FIG. 8 is a schematic front view of the laparoscopic separation forceps with an aspirator function in the embodiment in the suction state, and FIG. 9 is a schematic view of the laparoscopic separation forceps with the suction function in the embodiment in the suction state. A zoomed-in schematic of the suction head. As shown in FIGS. 8-9 , in the suction state, the suction channel 410 completely covers the forceps head 100 , wherein the suction inlet 420 extends to the outermost end of the forceps rod 200 , so that the suction operation will not be affected by the forceps head. 100 impact, easy to operate.

FIG. 10 is a schematic diagram of the overall structure of the forceps head 100 in the laparoscopic separation forceps with suction function in this embodiment when the forceps head 100 is in a closed state; FIG. 11 is the abdominal cavity with suction function in this embodiment. A schematic diagram of the overall structure of the forceps head 100 in the mirror separation forceps when the forceps head 100 is in an open state. As shown in FIGS. 11-12 , the forceps head 100 in this embodiment is a forceps head 100 of a curved separation forceps, and the forceps head 100 is a replaceable structure, and different types of forceps heads 100 can be applied to this embodiment. No specific enumeration or limitation is made here.

FIG. 13 is a schematic structural diagram of the connection between the forceps head 100 and the movable rod 120 in the laparoscopic separation forceps with suction function in this embodiment. The two forceps heads 100 in the forceps heads 100 in this embodiment include two forceps pieces 101 , two connecting rods 110 and a hinge head 130 . One end of the jaw 101 is a free end that can be opened and closed, and the other end of the jaw 101 is a connecting end; one end of the two connecting rods 110 is hinged with the connecting ends of the two jaws 101 respectively, The other ends are hinged to each other; the hinge head 130 is a hollow cylindrical structure, the first end of the hinge head 130 is provided with a U-shaped groove, the connecting end of the jaw 101 and the two connecting rods 110 are set in the U-shaped groove, and the hinge head 130 is provided with There is a first hinge point 131 which is hinged with the connecting jaws 101, the movable rod 120 passes through the hollow of the hinge head 130, and the first end 121 of the movable rod is provided with a second hinge point which is hinged with the hinge joints of the two connecting rods 110; The outer peripheral wall of the second end of the hinge head 130 is a cylindrical surface, and the second end 122 of the movable rod extends into the operation base 310 and is connected to the operation handle 320 . The movement of the operating handle 320 drives the opening and closing movement between the two jaws 101 through the movable rod 120 .

Preferably, a clamping block structure 132 is provided at the second end of the hinge head 130, and a clamping groove matched with the clamping block structure 132 is provided at the first end 210 of the pliers rod. The block and the card slot structure are connected. When in use, the clamp head is snapped into the clamp slot to realize the connection and disassembly between the clamp head 100 and the clamp rod 200 .

This embodiment only specifically designs part of the structure, and other unmentioned parts can adopt the structure in the prior art. The descriptions of the above-mentioned embodiments are only for understanding the present invention. It should be pointed out that for those of ordinary skill in the art, without departing from the principle of the present invention, several improvements can also be made to the present invention, and these improvements will also fall within the protection scope of the claims of the present invention.

Claims (10)

1. A laparoscopic separating forceps with suction function, comprising a forceps head, a forceps rod and an operating part, the first end of the forceps rod is connected with the forceps head, and the second end of the forceps rod is connected with the operating part, through The operating component controls the opening and closing of the forceps head; it is characterized in that it further includes a suction component, the suction component includes a suction channel, a suction inlet and a suction joint, wherein the suction component is arranged on the outer wall of the forceps rod , the suction inlet is arranged at the end of the suction channel close to the first end of the pliers rod, and the suction joint is arranged at the end of the suction channel close to the second end of the pliers rod; The axis of the forceps rod can reciprocate relative to the forceps rod, and the suction channel can move until the suction channel completely covers the forceps head. 2 . The laparoscopic separating forceps with suction function according to claim 1 , wherein the suction channel is formed between a suction outer rod sleeved on the outer circumference of the forceps rod and the outer wall of the forceps rod. 3 . gap is formed. 3 . The laparoscopic separating forceps with suction function according to claim 2 , wherein the first end of the suction outer rod is arranged close to the first end of the forceps rod, and the second end of the suction rod is close to the forceps. 4 . The second end of the rod is arranged; the first end of the attracting outer rod and the first end of the pliers rod are connected by a deformable structure, and the second end of the attracting outer rod is connected with the second end of the pliers rod through a deformable structure connect. 4 . The laparoscopic separating forceps with suction function according to claim 3 , wherein the deformable structure is an elastic body or a soft body structure that can be contracted and stretched. 5 . 5 . The laparoscopic separating forceps with suction function according to claim 4 , wherein a non-deformable connecting portion is further provided between the second end of the forceps rod and the deformable structure, and the The suction connector is arranged on the connecting part and communicates with the suction channel. 6 . The laparoscopic separating forceps with suction function according to claim 1 , wherein the first end of the suction outer rod is provided with a curved portion bent toward the outer wall of the forceps rod, and the curved portion faces the outer wall of the forceps rod. 7 . One side of the forceps head is a circular arc surface, and the suction inlet includes a plurality of through holes penetrating through the curved portion, and the through holes are used to communicate the suction channel and the outside world. 7 . The laparoscopic separating forceps with suction function according to claim 1 , wherein the operating part comprises an operating base and an operating handle arranged on the operating base, and the operating handle is used to control the The opening and closing of the pliers head; an accommodating cavity for accommodating the second end of the pliers rod is provided on the operating base. 8 . The laparoscopic separating forceps with suction function according to claim 7 , further comprising a suction control member connected with the suction outer rod, and the suction control member is arranged on the operation base. 9 . ; The suction control member is used to control the position of the suction outer rod relative to the pliers rod. 9 . The laparoscopic separating forceps with suction function according to claim 8 , wherein the suction control member comprises a pull button, a spring and a limiting member, wherein the pull button is arranged outside the suction. 10 . On the outer wall near the second end of the rod, the spring is sleeved on the outer circumference of the attracting outer rod and is set in the accommodating cavity, the first end of the spring is fixedly connected with the pull button, and the second end of the spring is fixedly connected to the inner wall of the accommodating cavity; the limiting member is arranged on the operating base to limit the position of the pull button to offset the force of the spring on the pull button, and the limiting member can Selective use. 10 . The laparoscopic separating forceps with suction function according to claim 1 , wherein the forceps head and the forceps rod are detachably connected. 11 .

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