CN206044670U - A kind of laparoscopic surgery needle forceps binding clip - Google Patents

Abstract

The utility model discloses a kind of laparoscopic surgery needle forceps binding clip, including dynamic binding clip, determine binding clip and bearing pin, described dynamic binding clip is connected by bearing pin with the one end for determining binding clip, the clamping face of described dynamic binding clip is convex arc surface, the described clamping face for determining binding clip is the concaved circular cambered surface matched with dynamic binding clip clamping face, the cambered surface radian of two clamping faces is matched with the radian of sewing needle, and the clamping face of dynamic binding clip is equipped with anti-skid structure with the clamping face for determining binding clip.This utility model is simple and reliable for structure, it is reasonable in design, by moving the convex arc surface that binding clip clamping face is equally distributed point contact anti-skid structure, with the concaved circular cambered surface for determining the linear contact lay fine streaks anti-skid structure that binding clip clamping face be arranged in parallel, the radian of both cambered surfaces is made to match with the radian of sewing needle, guarantee that pliers head clip can all make which reset to the function of suture position at any position of sewing needle, while firm grip, the generation for preventing sewing needle from sliding with rotation phenomenon.

Description

A kind of laparoscopic surgery needle forceps binding clip

Technical field

This utility model is related to a kind of laparoscopic surgery needle forceps binding clip.

Background technology

Needle forceps clamp the various tissues of sewing needle suture in being usually used in laparoscopic surgery and suture knots.But use at present Needle forceps the generally planar structure of clamping face, do not account for the characteristic of the shape of sewing needle in arc-shaped, in operation Sewing needle easily in needle forceps slides and rotates, and makes doctor be difficult to find that correct suture position.Authorization Notice No. CN204207793U, the needle forceps in the Chinese utility model patent of entitled " circular arc reset needle forceps " although employ binding clip Clamping face arc structure carries out centralized positioning makes sewing needle reset to suture position, but binding clip clamping face does not have anti-skidding design and do not have Have and consider that the shape of cross section of suture needle needle body has triangle, rectangle and various non-circular shapes such as trapezoidal, so being difficult to ensure that suture Pin will not slide in operation process.Meanwhile, in surgical suturing process doctor need frequently to change needle forceps and shears with Sutured respectively and trimming, caused surgical inefficiency, this is also undoubtedly increased suffered by labor intensity and the patient of doctor Pain.

The content of the invention

The purpose of this utility model is to overcome the deficiencies in the prior art, there is provided a kind of firm grip and sewing needle can be made multiple Position is provided simultaneously with the function of built-in shears to the needle forceps binding clip of suture position.

The purpose of this utility model is by following technical solution completing.A kind of laparoscopic surgery is clamped with needle forceps Head, including dynamic binding clip, determine binding clip and bearing pin, described dynamic binding clip is connected by bearing pin with the one end for determining binding clip, described dynamic pincers The clamping face of head is convex arc surface, and the described clamping face for determining binding clip is the concaved circular cambered surface matched with dynamic binding clip clamping face, two The cambered surface radian of individual clamping face is matched with the radian of sewing needle, and the clamping face of dynamic binding clip is equipped with anti-with the clamping face for determining binding clip Slipped Clove Hitch structure.

A kind of described laparoscopic surgery needle forceps binding clip, the anti-skid structure of the described clamping face for determining binding clip is a plurality of The striated raised structures be arrangeding in parallel, the anti-skid structure of the clamping face of described dynamic binding clip is multiple spot-like projections structures, and The protruding part of spot-like projections structure is matched with the depressed area of striated raised structures and is engaged with being formed.

Described needle forceps binding clip, the needle forceps binding clip are straight.

Described needle forceps binding clip, the needle forceps binding clip are bending.

Described needle forceps binding clip, the clamping surface rear end of the dynamic binding clip are provided with cutting edge, and the clamping surface rear end for determining binding clip sets There is jaw, described cutting edge edge is orthogonal with jaw edge, and when binding clip is closed, cutting edge EDGE CONTACT jaw edge.

The beneficial effects of the utility model are：This utility model is simple and reliable for structure, reasonable in design, is clamped by dynamic binding clip Face is the convex arc surface of equally distributed point contact anti-skid structure, and determines the linear contact lay fine streaks that binding clip clamping face be arranged in parallel The concaved circular cambered surface of anti-skid structure, makes the radian of both cambered surfaces match with the radian of sewing needle, it is ensured that pliers head clip is in sewing needle Any position can all make which reset to the function of suture position, while firm grip, prevent that sewing needle from sliding and rotation phenomenon is sent out It is raw.

Dynamic binding clip, determine on binding clip clamping face, to be respectively provided with cutting edge and jaw, when needing to cut off stitching thread after suture, can Unclamp binding clip and toward reach, make jaw block stitching thread, you can stitching thread to be cut off with cutting edge, accomplish that a pincers are dual-purpose, so as to shorten Operating time, mitigates the workload of doctor and the pain of patient.

Description of the drawings

In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment Or accompanying drawing to be used is briefly described needed for description of the prior art, it should be apparent that, drawings in the following description are only It is some embodiments of the present utility model, for those of ordinary skill in the art, in the premise for not paying creative work Under, can be with according to these other accompanying drawings of accompanying drawings acquisition.

Fig. 1 is bending binding clip dimensional structure diagram of the present utility model 1.

Fig. 2 is bending binding clip dimensional structure diagram of the present utility model 2.

Fig. 3 is dynamic binding clip clamping face structural representation of the present utility model.

Fig. 4 is of the present utility model to determine binding clip clamping face structural representation.

Fig. 5 is straight binding clip cutting edge structural representation of the present utility model.

Fig. 6 is straight binding clip jaw structure schematic diagram of the present utility model.

Wherein 1 is dynamic binding clip clamping face to move binding clip, 2, and 3 to determine binding clip, and 4 to determine binding clip clamping face, and 5 is bearing pin, and 6 is to cut Sword, 7 is jaw.

Specific embodiment

The present invention is described in further detail with reference to the accompanying drawings and examples.

Bending needle forceps binding clip as depicted in figs. 1 and 2, by dynamic binding clip, determines binding clip and bearing pin is constituted, and dynamic binding clip and determines pincers Head is connected by bearing pin, and the two ends of bearing pin are fixed on by way of riveting, interference fit or welding determines on binding clip, and dynamic pincers Head is coordinated for gap between the two with bearing pin, and dynamic binding clip rotates around bearing pin.Dynamic binding clip clamping face is band anti-skid structure Convex arc surface, matched to determine binding clip clamping face be the concaved circular cambered surface with anti-skid structure, the radian and suture of both cambered surfaces The radian of pin matches.

The needle forceps being respectively shown in Fig. 3 and Fig. 4 move binding clip clamping face and determine binding clip clamping face structural representation, determine binding clip Anti-skid structure on clamping face is a plurality of striated raised structures be arrangeding in parallel, and the anti-skid structure moved on binding clip clamping face is many Individual spot-like projections structure, and the depressed area of the protruding part of spot-like projections structure and striated raised structures matches to be formed Engagement.Dots structure on dynamic binding clip clamping face is contacted in Multi-contact with suture wire surface, and playing increases the work of frictional force With, depending on fine streaks on binding clip clamping face structure energy correcting sewing needle so as to it is parallel with striated structure, by moving binding clip Clamping face makes sewing needle firm grip with the cooperation for determining both binding clip clamping faces, while preventing sewing needle changing of the relative positions in the clamping face. And using determine striated raised structures are set on binding clip clamping face, be for the ease of doctor when operating, first sewing needle is placed in Determine the recess of striated structure on binding clip clamping face to position, be then closed again binding clip to clamp sewing needle.And if determining binding clip If spot-like projections structure is provided that on clamping face, easily cause that sewing needle can not be parallel navigates to striated projection depression Place.

It is straight needle forceps binding clip as shown in Figure 5 and Figure 6, is respectively provided with dynamic binding clip, the rear end for determining binding clip clamping face There is the rear end of built-in cutting edge and jaw, cutting edge and jaw in clamping face, cutting edge contact when being so avoided that clamping sewing needle To stitching thread, injury suture line, can be moved forward after unclamping needle forceps again when needing to cut off stitching thread in operation process, make suture Line is cut off using cutting edge on jaw, while realizing holding pin and two kinds of functions of trimming.

During surgical, by the convex arc surface of the dynamic binding clip of gripper clamp and the centralized positioning for determining binding clip concaved circular cambered surface, Needle forceps are caused to be clipped in any portion of sewing needle under the interaction of two circular arcs that the radian of its radian and sewing needle matches Position can all guarantee that sewing needle reaches head-up position, reaches the purpose of rapid suture.Being uniformly distributed on dynamic binding clip clamping face Point-like anti-skid structure and the linear contact lay fine streaks anti-skid structure be arrangeding in parallel determined on binding clip clamping face use cooperatively, make Sewing needle firm grip, while preventing the generation that sewing needle slides with rotation phenomenon.When needing to cut off stitching thread after the completion of suture, Can be moved forward needle forceps, make stitching thread on jaw, then cut off using cutting edge, accomplish that a pincers are dual-purpose, while realizing Pin and two kinds of functions of trimming are held, so as to improve the efficiency of doctor's suture, shortens operating time, mitigate workload and the trouble of doctor The pain of person.

This utility model is not limited to above-mentioned embodiment, no matter constitute in its shape or material making any change, all It is, using structure design provided by the utility model, to be all a kind of deformation of the present utility model, be considered as new in this practicality Within type protection domain.

Claims (5)

1. a kind of laparoscopic surgery needle forceps binding clip, including dynamic binding clip, determine binding clip and bearing pin, described dynamic binding clip with determine binding clip One end by bearing pin connect, it is characterised in that the clamping face of described dynamic binding clip be convex arc surface, the described folder for determining binding clip The face of holding is the concaved circular cambered surface matched with dynamic binding clip clamping face, the cambered surface radian of two clamping faces and the radian phase of sewing needle Match somebody with somebody, the clamping face of dynamic binding clip is equipped with anti-skid structure with the clamping face for determining binding clip.

2. a kind of laparoscopic surgery needle forceps binding clip according to claim 1, it is characterised in that described to determine binding clip The anti-skid structure of clamping face is a plurality of striated raised structures be arrangeding in parallel, the anti-skid structure of the clamping face of described dynamic binding clip For multiple spot-like projections structures, and the depressed area of the protruding part of spot-like projections structure and striated raised structures match with Form engagement.

3. needle forceps binding clip according to claim 1 and 2, it is characterised in that the needle forceps binding clip is straight.

4. needle forceps binding clip according to claim 1 and 2, it is characterised in that the needle forceps binding clip is bending.

5. needle forceps binding clip as claimed in claim 1, it is characterised in that the clamping surface rear end of the dynamic binding clip is provided with cutting edge, The clamping surface rear end for determining binding clip is provided with jaw, and described cutting edge edge is orthogonal with jaw edge, and when binding clip is closed, cuts Sword EDGE CONTACT jaw edge.