CN2524684Y - Aseptic suture device with safety handle - Google Patents

Abstract

The utility model relates to a sterile suture device with a safe handle; a brake device is provided between an upper handle and a lower handle; the brake device consists of a brake block provided on the lower handle, a stop surface provided on the upper handle and a limit convex platform provided on the upper handle; the brake block is fixed on the lower handle through a brake rod; the stop surface is an arc surface which is inward concave or outward convex; one side of the limit convex platform is a limit stop surface which forces the brake block and a stop surface to be tightly pressed on each other and match with each other, and the other side of the limit convex platform is a limit pullback surface which forces the brake block to be separated away from the stop surface and facilitates the upper and the lower handles to be moved back. If the utility model stops imposing forces in the course of operation, the states and positions of the handles and the suture needle do not be changed; the molding quality of the suture needle does not be impacted if the operation of the handle is interrupted in the intermediate course. The utility model is the sterile suture device with the safe handle, which has suture needles with uniform molding shapes.

Description

Aseptic stiching instrument with dead-man's handle

This utility model relates to a kind of aseptic stiching instrument with dead-man's handle.

Existing stiching instrument puts in place because of judging whether upper and lower handle moves in operating process, operator's Halfway Stopping application of force, and handle promptly resets immediately, secondary pressing, pin molding disunity, folder pin often occur, does not go out problems such as pin, bark pocket skin.Do not put in place fully at pin, then the shape of pin molding is not good, influences suture quality, and preceding pin do not have molding or molding bad, and it is influenced that back pin goes out pin, even can the bark pocket skin, and promptly the front end of pin hangs on the skin, and the rear end does not break away from stiching instrument.This situation need adopt specific purpose tool to trip out not molding pin, removes the back pin then.During actual the use, not only prolonged operating time, also increased patient's misery, and easily caused wound infection.So once such problem occurs, stiching instrument is promptly scrapped.

The purpose of this utility model is to avoid above-mentioned weak point of the prior art, and handle and sewing needle state, invariant position are provided when stopping the application of force in a kind of operating process; The sewing needle Forming Quality is not subjected to lever operated the interruption to influence the aseptic stiching instrument with dead-man's handle that the sewing needle forming shape is unified midway.

The purpose of this utility model can reach by following measure:

A kind of aseptic stiching instrument with dead-man's handle, comprise by in fulcrum 14 connections, lower handle 1,12 and be located at its front end by last, following box for needle or pin 6, the 9 dress pin chambeies 13 that constitute, be provided with the sliding needle plate 7 of placing sewing needle 10 in the described box for needle or pin 9 down, this cunning needle plate 7 is provided with the slide block 11 of pushing pin that connects with extension spring 8, its special character is: on described, lower handle 1,12 are provided with brake unit, this brake unit comprises brake block 18 and stop surface 19 on the upper handle 1 and positive stop lug boss 20 formations of being located on the lower handle 12, brake block 18 is fixed on the lower handle 12 by brake bar 17, stop surface 19 be concave or convex cambered surface, one side of positive stop lug boss 20 is spacing stop surfaces 21 of forced brake piece 18 and stop surface 19 compression fit, and opposite side is forced brake piece 18 disengaging stop surfaces 19 and makes, lower handle 1, the 12 spacing reset surfaces 22 that reset.

Above-mentioned stop surface 19 can be the pawl face, and described brake block 18 and stop surface 19 one or both of are good to adopt elastomer.

The above-mentioned dieplate 3 that cooperates that can contact with front end sewing needle 10 can be arranged in the oblique chute 15 of protracting of handle 1 front end, and is slidingly matched with it; Described dieplate 3 is fixed on the shaped support 2, and stage clip bearing 5 is arranged at box for needle or pin 6 front ends, is with stage clip 4 on it, and described lower handle 12 front ends contact cooperation with dieplate 3 tail ends.

Above-mentioned sliding needle plate 7 front ends can be provided with the auxiliary end 16 of the molding that cooperates, can make sewing needle 10 closed mouldings with dieplate 3.

Accompanying drawing is a structural representation of the present utility model.

The utility model is described in further detail below in conjunction with accompanying drawing;

Referring to accompanying drawing,

Referring to accompanying drawing, form dress pin chamber 13 during box for needle or pin 6,9 utilizes locating slot will slide needle plate 7 to be buckled in up and down, what sewing needle 10 orders were neat is arranged on the sliding needle plate of adorning in the pin chamber 13 7, slide block 11 nails of pushing pin that hang with spring 8 push up sewing needle 10 sliding needle plate 7 front ends and are subjected to certain thrust all the time in the sewing needle back of arranging in tail end.Stage clip bearing 5 is contained in box for needle or pin 6 front ends.Last lower handle 1,12 is associated in together by fulcrum 14, and dieplate 3 is buckled in the oblique chute 15 of upper handle 1 front end of letting go after molding is propped up on 2, inserts in the guide groove of box for needle or pin front end again.Behind cover compression spring 4 on the fulcrum of stage clip bearing 5 and shaped support 2, the whole box for needle or pin that sewing needle is housed is buckled in the box groove of upper handle 1, utilize welding or other modes that it is linked together securely.

This utility model is provided with brake unit on 1,12 on upper and lower handle.Brake unit mainly constitutes by being located at brake block 18 on the lower handle 12 and the stop surface 19 on the upper handle 1 and positive stop lug boss 20.Brake block 18 is fixed on the lower handle 12 by brake bar 17, stop surface 19 be concave or convex cambered surface, brake block 18 and stop surface 19 one or both of are elastomer.One side of positive stop lug boss 20 is spacing stop surfaces 21 of forced brake piece 18 and stop surface 19 compression fit, and opposite side is that forced brake piece 18 breaks away from stop surfaces 19, the spacing reset surface 22 that handle is resetted.Each action cycle of stiching instrument is sewed up a pin.Its detailed process is, the stiching instrument front end is adjacent to by certain angle is sewn the place, holds the last lower handle 1,12 and the application of force of stiching instrument, and lower handle 12 is a fulcrum with fulcrum 14, and its front end is moved downward.Act on the dieplate 3, it is downward to make it to reach the guide groove of going up on the box for needle or pin 6 along upper handle 1 interior chute, when dieplate 3 touches foremost first piece of sewing needle 10, under the active force of dieplate 3, by the auxiliary end 16 of the molding of sliding needle plate 7 front ends, 10 liang of lower limbs of sewing needle are inwardly moved downwards and only simultaneously, become the closed moulding, operative incision is sewed up by П.After finishing this action, release handle, dieplate 3, lower handle 12 homing under the effect of stage clip 4 restoring forces.Extension spring 8 is simultaneously pushed ahead sewing needle 10 to the precalculated position by the slide block 11 of pushing pin, and prepares the stitching of next pin, and then a suture needle action cycle finishes.If imperfect tense stop upper and lower handle 1,12 application of forces in the above-mentioned action cycle, the limit of positive stop lug boss 20 fully recover from an illness limited block 18 and stop surface 19 compression fit on the stop surface 21 forced brake bars 17, since both one of or both be elastomer, compression fit produces friction lock power, at this moment, state, position when upper and lower handle 1,12 and dieplate 3, sewing needle 10 stop the application of force with maintenance are from reaching the arresting purpose of handle.When continuing the application of force, dieplate 3 and sewing needle 10 will continue to finish the action of sewing up the period of motion on the basis of state when once stopping the application of force last, finish up to the action cycle.And the taper top of the course of action of brake unit to be brake block 18 move to positive stop lug boss 10, spacing displacement face 22 begins to act on brake bar 17, makes brake block 18 break away from stop surfaces 19, and handle resets rapidly.

Sewing needle of the present utility model adopts and meets the rustless steel of surgical implant with specific (special) requirements, and the epistasis body of brake block or positive drive face can adopt rubber-like elastic material.Miscellaneous part adopts rustless steel and macromolecular material that human body is not had to poison to make.

The utility model compared with prior art has following advantage:

The utility model is easy and simple to handle, easily grasps, and sews up the efficient height, and operating time is combined and shortened. Stainless steel material is adopted in suture needle, Tissue reaction is little, makes easily otch neatly involutory, the worry of non-incision infection, and wound healing is fast, and good looking appearance can not form Centipede shape scar is torn my pain of pin simultaneously open. This stitching unstrument is simple in structure, and low cost of manufacture is suitable for the disposable sterilization bag especially Dress uses, and is not subjected to environmental limitations, unpacks and can use.

Safety device of the present invention can make stitching unstrument in use avoid the problems referred to above fully. When the stitching that this device is housed Device in use moves in the situation not in place at upper and lower handle, and the user stops the application of force, upper and lower handle and seam The forming process of closing pin will keep this state, until the user is again during the application of force, upper lower handle and sewing needle will be in last time Continue to finish whole process on the state basis during application of force, until upper and lower handle motion puts in place fully and sewing needle becomes fully Till the type. This device will be stopped secondary press needle, folder pin, not go out the problems such as pin, bark pocket skin, and the shape after the sewing needle moulding Shape is unified.

Claims (4)

1. aseptic stiching instrument with dead-man's handle, comprise by in fulcrum (14) connection, lower handle (1), (12) and be located at its front end by last, following box for needle or pin (6), (9) the dress pin chamber (13) of Gou Chenging, be provided with the sliding needle plate (7) of placing sewing needle (10) in the described box for needle or pin (9) down, this cunning needle plate (7) is provided with the slide block of pushing pin (11) that connects with extension spring (8), it is characterized in that: on described, lower handle (1), (12) be provided with brake unit between, this brake unit comprises brake block (18) and stop surface (19) on the upper handle (1) and positive stop lug boss (20) formation of being located on the lower handle (12), brake block (18) is fixed on the lower handle (12) by brake bar (17), stop surface (19) be concave or convex cambered surface, one side of positive stop lug boss (20) is the spacing stop surface (21) of forced brake piece (18) and stop surface (19) compression fit, and opposite side is forced brake piece (18) disengaging stop surface (19) and makes, lower handle (1), (12) the spacing reset surface (22) that resets.

2. the aseptic stiching instrument with dead-man's handle as claimed in claim 1 is characterized in that: described stop surface (19) is the pawl face, and described brake block (18) and stop surface (19) one or both of are elastomer.

3. the aseptic stiching instrument with dead-man's handle as claimed in claim 1 or 2 is characterized in that: the described dieplate (3) that cooperates that can contact with front end sewing needle (10) is arranged in the oblique chute (15) that protracts of handle (1) front end, and is slidingly matched with it; Described dieplate (3) is fixed on the shaped support (2), and stage clip bearing (5) is arranged at box for needle or pin (6) front end, is with stage clip (4) on it, and described lower handle (12) front end contacts cooperation with dieplate (3) tail end.

4. the aseptic stiching instrument with dead-man's handle as claimed in claim 3 is characterized in that: described sliding needle plate (7) front end is provided with the auxiliary end of molding (16) that cooperates, can make sewing needle (10) closed moulding with dieplate (3).

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