CN2577771Y

CN2577771Y - Suturing device for front needle hole operation

Info

Publication number: CN2577771Y
Application number: CN 02270186
Authority: CN
Inventors: 张丽君; 丁坚
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-10-17
Filing date: 2002-10-17
Publication date: 2003-10-08
Anticipated expiration: 2012-10-17

Abstract

The utility model discloses a suturing device for a front needle hole operation, which belongs to medical equipment. The utility model is composed of a suture needle and a needle holder and is characterized in that a needle front of the suture needle is provided with a needle hole; the back end of a needle handle is provided with a lock needle trigonous body; a chuck connecting rod is arranged in a hollow handle and a sleeve pipe of the needle holder; the front end of the chuck connecting rod is provided with a Y-shaped chuck; the hollow handle is provided with a sliding sleeve; a lock needle spring and a sliding seat are arranged in the sliding sleeve; the sliding seat is connected with the chuck connecting rod; an unlocking cap is movably sheathed outside the sliding sleeve; the suture needle is movably connected with the Y-shaped chuck through the lock needle trigonous body. The utility model thoroughly changes the method of suture of the existing operation that a thread passing hole of the suture needle is arranged on the needle front, and a needle head is just needed to thread out of a suture tissue a little for suture when suture. When the needle is returned, the needle is drawn back while a thread is left, and the thread forms a thread ring in the needle hole. The action of suture can be finished after the thread ring is clamped, the connection of the suture needle and the needle holder is firm and reliable, a phenomenon of needle body sliding and displacement can not occur, and the quality of the suture for operation is improved.

Description

Preceding pin hole surgical stapler

Technical field

This utility model relates to a kind of preceding pin hole surgical stapler, belongs to medical apparatus and instruments.

Background technology

Sewing up in operation is very important link, existing suture instruments is back pin hole sewing needle and the jaw type needle holder of always continuing to use in history, pin hole place at the sewing needle rear portion during operation stitching puts on stitching thread, clamp the sewing needle rear end with the jaw type needle holder, make pin enter suture tissue, rotate wrist pin is passed from the suture other end, open needle holder then, reclamp the needle point that passes and extract sewing needle, knotting is subsequently finished a pin and is sewed up.But the dark and stenosis in chambeies such as throat, nasal cavities, or in the oral cavity, when thoracic cavity, depths, abdominal cavity etc. are sewed up, operation is just very inconvenient needs cooperatively interact with finger, wrist, elbow, shoulder and just can finish.For example in the stitching of throat depths, the jaw type needle holder is normally held the position that pin does not reach needs stitching, will strengthen needle holder sometimes and hold the pin angle, because it is too little to sew up the space,, also be difficult to pin is extracted even pin passes suture, sometimes in order to extract pin, needle point can sting other positions again; Stitching difficulty at nasal cavity is bigger, and situation about having almost can't be sewed up.In addition, use the jaw type needle holder, to occur holding pin through regular meeting when the jaw front end is sewed up insecure in that pin is clipped in, and pin is in the situation of jaw slip displacement.In sewing up the big operation of difficulty, sometimes need be with for a long time for sewing up a pin, more painfully not only cause to the patient, also cause very big stress to the doctor, physical demands is also very big.

Summary of the invention

The purpose of this utility model is intended to overcome the defective of above-mentioned prior art, a kind of novelty simple in structure, flexible and convenient operation is provided, holds the preceding pin hole surgical stapler that pin is reliable, can arbitrarily sew up like a cork in arbitrarily angled.

The purpose of this utility model is achieved through the following technical solutions: pin hole surgical stapler before a kind of, it is made up of sewing needle and needle holder, sewing needle has pin cutting edge of a knife or a sword, needle body, needle handle, needle holder has hollow handle, front end at hollow handle is fixedly connected with sleeve pipe, characteristics are, are provided with pin hole on the pin cutting edge of a knife or a sword of sewing needle, and the rear end of needle handle is provided with the purl triangular prism; Hollow handle at needle holder, be provided with the dop connecting rod in the sleeve pipe, the front end of dop connecting rod is fixed with the bikini dop, the corresponding bikini dop of telescopic front end and be bell mouth shape, rear end at hollow handle is fixed with slip cap, slip cap is provided with guide groove, in slip cap, be provided with the sliding seat of purl spring and band projection, sliding seat is connected on the dop connecting rod, projection on it is inserted in the guide groove of slip cap, the purl spring housing is on the dop connecting rod, the one end withstands on the slip cap bottom, the other end withstands on the sliding seat, is provided with the location spiral shell on the top of sliding seat, and the location is arranged on the dop connecting rod, activity is with the medicated cap of unblanking outside slip cap, and sewing needle flexibly connects by the bikini dop of purl triangular prism and dop connecting rod.

The pin hole surgical stapler is a kind of operation stitching technology with brand new ideas before of the present utility model, it has changed existing operation stitching method fully, the through wires hole of sewing needle is located at pin cutting edge of a knife or a sword place, whole needle body need not pass completely through suture tissue during stitching, only needs syringe needle is passed suture tissue, and the amount of passing can form wire loop with line when the back stitching and get final product at the pin hole place, clamp wire loop with tweezers then, pin is withdrawed from backward, and stitching thread is stayed suture, and knotting is subsequently finished a pin and sewed up.

Resistance difference when this utility model has utilized metal needle and stitching thread to move in corporality tissue, the back stitching hour hands move back line and do not move back, line forms wire loop at the pin hole place, can finish stitching after clamping wire loop, overcome needs pin is all extracted the sutural defective of ability gripping in the past, avoided pulling out the phenomenon at other positions of pin hour hands spine pain, solved and can not pull out the problem that pin can not be sewed up because of the space is narrow and small, substantially accomplish as long as pin can enter, just can sew up, especially little the and dark stitchings in art chamber such as ear, nose, larynx be had more superiority; Moreover, this utility model is that sewing needle is installed in supporting use on the special-purpose needle holder, needle holder uses flexible, needle body slip displacement phenomenon can not appear in sewing needle and needle holder firm and reliable connection, simple and fast when changing sewing needle, stitching speed and suture quality have been improved, shorten suture time, alleviated patient's misery, also alleviated doctor's stress and physical demands simultaneously.

Below in conjunction with drawings and Examples, explanation that the utility model is further explained.

Description of drawings

Fig. 1-structural representation of the present utility model;

The A-A cutaway view of needle holder among Fig. 2-Fig. 1;

A kind of structural representation of Fig. 3-sewing needle of the present utility model;

The B of Fig. 4-Fig. 3 is to view;

The another kind of structural representation of Fig. 5-sewing needle of the present utility model;

The C of Fig. 6-Fig. 5 is to view.

The explanation of accompanying drawing drawing:

1 pin cutting edge of a knife or a sword, 2 pin holes, 3 needle bodies, 4 needle handles, 5 purl grooves, 6 purl triangular prisms, 7 bikini dops, 8 sleeve pipes, 9 dop connecting rods, 10 hollow handles, 11 purl springs, 12 slip caps, 13 projectioies, 14 sliding seats, 15 location spiral shells, 16 medicated caps of unblanking, 17 connecting rods are adjusted opening, 18 guide grooves.

The specific embodiment

Referring to Fig. 3, Fig. 4, can make sewing needle with stainless steel material, it has pin cutting edge of a knife or a sword 1, arc needle body 3, needle handle 4, on pin cutting edge of a knife or a sword 1, bore a pin hole 2, fixedly install purl triangular prism 6 in the rear end of needle handle 4, also purl triangular prism 6 directly can be made in the rear portion of needle handle 4, both are structure as a whole; Needle holder also can adopt stainless steel material to make, with reference to figure 1, Fig. 2, at the fixedly connected sleeve pipe 8 of the front end of hollow handle 10, in sleeve pipe 8 and hollow handle 10, dop connecting rod 9 is set, the front end of dop connecting rod 9 fixedly installs bikini dop 7, corresponding bikini dop 7 is made Herba Cladoniae verticillatae mouth shape with the front end of sleeve pipe 8, bikini dop 7 can be blocked within it firmly, fixedly install slip cap 12 in the rear end of hollow handle 10, a guide groove 18 is respectively offered in the both sides on slip cap 12 tops, the sliding seat 14 of purl spring 11 and band projection 13 is installed in slip cap 12, sliding seat 14 is by being threaded on the dop connecting rod 9, projection 13 on it is inserted in the guide groove 18 of slip cap 12, purl spring 11 is enclosed within on the dop connecting rod 9, the one end withstands on the bottom of slip cap 12, the other end withstands on the sliding seat 14, on the top of sliding seat 14 location spiral shell 15 is installed, location spiral shell 15 is by being threaded on the dop connecting rod 9, location spiral shell 15 closely contacts with sliding seat 14, sliding seat 14 is fixed on the dop connecting rod 9 and can not rotates arbitrarily along the screw thread screw thread, the medicated cap 16 of unblanking is installed outside slip cap 12, and needle holder is promptly made and is finished; The purl triangular prism 6 at sewing needle rear portion is inserted in the bikini dop 7 of needle holders of the present utility model before the pin hole surgical stapler.

Operation principle and using method:

During use, push the needle holder medicated cap 16 of unblanking, the medicated cap 16 of unblanking is pressing the rear end of dop connecting rod 9 that it is travelled forward, drive guide groove 18 slides forwards of sliding seat 14 at slip cap 12, compression purl spring 11, bikini dop 7 stretches out the horn mouth of sleeve pipe 8 forward and automatically springs open, the purl triangular prism 6 at sewing needle rear portion is inserted in the bikini dop 7, relax away lock nut 16 then, under the rebound effect of purl spring 11, promote sliding seat 14 backward, drive dop connecting rod 9 motion backward, in the bikini dop 7 withdrawal sleeve pipes 8 and be stuck in the horn mouth place, firmly lock sewing needle.Repeated presses gets final product when changing pin, and is simple and convenient.

During operation stitching, stitching thread is penetrated in the pin hole 2, hold needle holder hollow handle 10, make pin enter suture tissue and pass from the stitch points other end, the amount of passing is as the criterion can form wire loop when the back stitching, then slowly to the rollback pin, because the resistance of motion of metal needle in corporality tissue is much smaller than stitching thread, therefore when the pin rollback, stitching thread does not move back and forms wire loop at the pin hole place, clamps wire loop with tweezers to spur gently, after determining to hold wire loop, pin is all withdrawed from suture, and knotting is subsequently finished a pin and is sewed up.During operation, it is standby to prepare a plurality of stiching instrument, also can change the pin threading at any time by the assistant and get final product only with a needle holder and a plurality of sewing needle.

The needle body 3 and the needle handle 4 of this utility model sewing needle can in one plane not have angle, with reference to figure 3, shown in Figure 4, are called horizontal sewing needle; Also can be not in one plane, between angle α is arranged, with reference to figure 5, shown in Figure 6, be called vertical sewing needle.The doctor undergos surgery and uses the sewing needle of different model when sewing up according to practical situation, can reduce the motion of elbow, shoulder, improves suture quality, shortens operating time, reduces physical demands.

For the purl triangular prism 6 that makes the sewing needle rear portion is more firm in combination with the bikini dop 7 of needle holder, can also on purl triangular prism 6, be provided with purl groove 5, when sewing needle was installed, purl groove 5 was stuck in the bikini dop 7 just, makes pin be difficult for dropping.

The medicated cap 16 of unblanking can directly be enclosed within outside the slip cap 12, closely contacts with slip cap 12 (genus prior art), and the top can touch dop connecting rod 9 and gets final product when pushing, and also can flexibly connect with helicitic texture with the top of dop connecting rod 9, as shown in Figure 2.

In addition, connecting rod can also be set in the rear end of dop connecting rod 9 adjust opening 17, purpose is to finely tune dop connecting rod 9, and it is rotated gently, drives sliding seat 14 and moves, and adjusts the pressure of purl spring 11.

Sewing needle of the present utility model and needle holder firm and reliable connection, pin can not appear falling, and can not left-right rotation because the sliding seat 14 in the needle holder can only move up and down in the guide groove 18 of slip cap 12, and slip cap 12 is fixed on the hollow handle 10, guaranteed the rotational synchronization of dop connecting rod 9 with hollow handle 10, sewing needle slip displacement phenomenon can not occur when therefore performing the operation yet, overcome the shortcoming of existing jaw type needle holder, guarantee the operation stitching quality.

Needle holder of the present utility model is the pressing type structure, also can change rotary structure into, promptly, change the purl spring 11 in it into thread bush, make itself and sliding seat 14 be threaded engagement, sliding seat 14 drives dop connecting rod 9 and moves up and down with helicitic texture, also can realize goal of the invention of the present utility model, this kind structure belongs to prior art, repeats no more.

Claims

1, a kind of preceding pin hole surgical stapler, it is made up of sewing needle and needle holder, sewing needle comprises pin cutting edge of a knife or a sword (1), needle body (3), needle handle (4), needle holder comprises hollow handle (10), front end at hollow handle (10) is fixedly connected with sleeve pipe (8), it is characterized in that be provided with pin hole (2) on the pin cutting edge of a knife or a sword (1) of sewing needle, the rear end of needle handle (4) is provided with purl triangular prism (6); Hollow handle (10) at needle holder, be provided with dop connecting rod (9) in the sleeve pipe (8), the front end of dop connecting rod (9) is fixed with bikini dop (7), the corresponding bikini dop (7) of the front end of sleeve pipe (8) and be bell mouth shape, be fixed with slip cap (12) in the rear end of hollow handle (10), slip cap (12) is provided with guide groove (18), in slip cap (12), be provided with the sliding seat (14) of purl spring (11) and band projection (13), sliding seat (14) is connected on the dop connecting rod (9), its projection (13) is inserted in the guide groove (18), purl spring (11) is enclosed within on the dop connecting rod (9), the one end withstands on slip cap (12) bottom, the other end withstands on the sliding seat (14), be provided with location spiral shell (15) on the top of sliding seat (14), location spiral shell (15) is located on the dop connecting rod (9), activity is with the medicated cap of unblanking (16) outside slip cap (12), and sewing needle flexibly connects by the bikini dop (7) of purl triangular prism (6) with dop connecting rod (9).

2, according to the described preceding pin hole surgical stapler of claim 1, it is characterized in that, on the purl triangular prism (6) of described sewing needle, be provided with purl groove (5).

3, according to claim 1 or 2 described preceding pin hole surgical staplers, it is characterized in that between needle body of described sewing needle (3) and the needle handle (4) angle α being arranged.