CN202458533U - Surgical resecting and suturing instrument and executing device thereof - Google Patents

Abstract

The utility model discloses a surgical resecting and suturing instrument which comprises a handle, a thin long body and an executing device, wherein the executing device comprises a clamp; when the clamp is closed, a main body of a firing part can be accommodated in a staple anvil groove and a staple cartridge base groove to move; a first transverse piece is selectively matched with the upper surface or the lower surface of a transverse staple anvil groove in a sliding manner; a second transverse piece is selectively matched with the upper surface or the lower surface of a transverse staple cartridge base groove in a sliding manner; and a distance between a staple anvil and a staple cartridge base is bidirectionally controlled in an opening direction and a closing direction of the clamp.

Description

Surgical cut suture instruments and actuating unit thereof

Technical field

This utility model relates to field of surgical, relates in particular to surgical cut suture instruments device.

Background technology

At present, used widely in the operation of surgical cut suture instruments orthopaedic surgical operations.Known operation stitching apparatus mainly comprises handle, slender bodies and actuating unit, and wherein actuating unit is used for the tissue of grasping tissue, cutting clamping, and the composition of otch both sides is implemented to sew up.Actuating unit comprises and is used for grasping tissue and can open/closed clamp, and a holder arms of clamp is provided with nail anvil, and another holder arms of clamp is provided with nail bin, is provided with seam nail and nail pushing device in the nail bin.When jaws close and grasping tissue, nail pushing device will be stitched nail and release towards nail anvil by driving, and the seam nail passes tissue and at the cooperation compacted under of nail anvil, thereby accomplishes the percussion stitching.

When percussion is sewed up; Distance between two arms of clamp (promptly; The shut height of clamp) determined the molding height that seam is followed closely; Molding for the seam nail is extremely important, and the size of this distance and this distance all can influence the quality (the particularly molding height of seam nail) of seam nail molding along the concordance on the holder arms length direction, thereby influences the quality of tissue apposition.

Particularly, on the one hand, when organizing of clamp clamping was thicker, the shut height of holder arms was excessive usually, and holder arms can deform usually, caused the shut height of clamp inconsistent, and the open distance of far-end is bigger usually, and the near-end distance is less.

On the other hand, when the tissue of clamping is thin, if the shut height of holder arms is too small, be easier to the thickness of tissue compression too smallly, it is low to cause the molding height of histoclastic cellularity and seam nail to be spent, and makes tissue be not easy healing.

The utility model content

This utility model embodiment provides a kind of surgical cut suture instruments, is used to solve the control problem of above-mentioned shut height.

A kind of surgical cut suture instruments is characterized in that, comprising:

Handle, said handle are used for producing driving;

Slender bodies, said slender bodies from said handle to remote extension;

Actuating unit, said actuating unit is arranged on the far-end of said slender bodies, and said actuating unit comprises:

Clamp, said clamp open in response to the driving of said handle or are closed, and said clamp has first holder arms and second holder arms, and said first holder arms comprises nail anvil, and said second holder arms comprises nail bin and the nail bin base that is used to install nail bin;

Said nail anvil is provided with the nail anvil groove and from the nail anvil transverse groove of said nail anvil groove horizontal expansion, and said nail bin base is provided with the nail bin bottom tub and from the nail bin base transverse groove of said nail bin bottom tub horizontal expansion;

Firing components, said firing components comprise firing components main body, first lateral member and second lateral member;

When said jaws close; Said firing components main body can be contained in said nail anvil groove and the said nail bin bottom tub and move; Said first lateral member optionally cooperates the upper surface or the lower surface of said nail anvil transverse groove slidably; Said second lateral member optionally cooperates said nail bin base transverse groove slidably, from open on the direction and control said nail anvil on the closing direction two-wayly and said nail bin base between distance.

In the scheme of this utility model embodiment, said nail anvil groove and said nail anvil transverse groove can form T-slot, cross bath or L shaped groove, and/or said nail bin bottom tub and said nail bin base transverse groove can form T-slot, cross bath or L shaped groove.

This utility model embodiment also provides a kind of actuating unit that is used for the surgical cut suture instruments, it is characterized in that, comprising:

Clamp, said clamp expansible or closure, said clamp has first holder arms and second holder arms, and said first holder arms comprises nail anvil, and said second holder arms comprises nail bin and the nail bin base that is used to install nail bin;

Said nail anvil is provided with the nail anvil groove and from the nail anvil transverse groove of said nail anvil groove horizontal expansion, and said nail bin base is provided with the nail bin bottom tub and from the nail bin base transverse groove of said nail bin bottom tub horizontal expansion;

Firing components, said firing components comprise firing components main body, first lateral member and second lateral member;

When said jaws close; Said firing components main body can be contained in said nail anvil groove and the said nail bin bottom tub and move; Said first lateral member optionally cooperates the upper surface or the lower surface of said nail anvil transverse groove slidably; Said second lateral member optionally cooperates the upper surface or the lower surface of said nail bin transverse groove slidably, from open on the direction and control said nail anvil on the closing direction two-wayly and said nail bin base between distance.

In the scheme that this utility model embodiment provides; Through the distance between two-way control nail anvil and the nail bin base; Thereby can resist because the distance shrinkage that causes in shortage of the tissue of clamping and since the excessive distance that causes of the tissue of clamping increase; And keep the concordance of shut height, and then the molding height of control seam nail, suture quality guaranteed.

Description of drawings

Fig. 1 is the sketch map according to the surgical cut suture instruments of this utility model embodiment;

Fig. 2 is the sketch map according to the actuating unit of the surgical cut suture instruments of this utility model embodiment;

Fig. 3 is the sketch map according to the nail bin base of the surgical cut suture instruments of this utility model embodiment;

Fig. 4 is the sketch map according to the nail anvil of the surgical cut suture instruments of this utility model embodiment.

Fig. 5 is the sketch map according to the firing components of the surgical cut suture instruments of this utility model embodiment;

Fig. 6 is the sketch map according to the actuating unit under percussion stitching state of the surgical cut suture instruments of this utility model embodiment;

Fig. 7 is the transverse sectional view according to firing components, nail anvil and the nail bin base of the surgical cut stiching instrument apparatus of this utility model embodiment.

The specific embodiment

Describe the specific embodiment of this utility model below with reference to accompanying drawings in detail.

Fig. 1 is the surgical cut suture instruments according to this utility model embodiment.As shown in Figure 1, surgical cut suture instruments 1 compriseshandle 2, slender bodies 3 and actuating unit 4.Handle 2 is used to actuatingunit 4 driving is provided.Slender bodies 3 extends to far-end (this paper, be called near-end near the direction of handle, be called far-end away from the end direction of handle, slender bodies) from said handle 2.Actuatingunit 4 is arranged on the far-end of slender bodies 3.

Fig. 2 is the sketch map according to the actuating unit of the surgical cut suture instruments of this utility model embodiment.As shown in Figure 2, actuatingunit 4 comprisesclamp 41, andclamp 41 is expansible or closure under the driving of handle 2.A holder arms ofclamp 41 comprisesnail anvil 42, and another holder arms ofclamp 41 comprisesnail bin 43 and nail binbase 44, and wherein nail bin 43 is installed on thenail bin base 44, is provided with seam nail and nail pushing device in the nail bin 43.Actuatingunit 4 also comprisesfiring components 45.

Fig. 3 is the sketch map according to the nail bin base of the surgical cut suture instruments of this utility model embodiment.As shown in Figure 3, nail binbase 44 is provided with the nail bin bottom tub 441 that extends along its length direction, and nail bin bottom tub 441 is used to hold firing components 45.Nail binbase 44 also is provided with the nail bin base transverse groove 442 from 441 horizontal expansions of nail bin bottom tub.Nail bin base transverse groove 442 has upper surface face 4421 and lower surface 4422.

Fig. 4 is the sketch map according to the nail anvil of the surgical cut suture instruments of this utility model embodiment.As shown in Figure 4,nail anvil 42 is provided with thenail anvil groove 421 that extends along its length direction, andnail anvil groove 421 is used to hold firing components 45.Nailanvil 42 also is provided with from the nail anviltransverse groove 422 ofnail anvil groove 421 horizontal expansions.Nail anviltransverse groove 422 hasupper surface 4221 andlower surface 4222.

When clamp 41 closures grasp when organizing,firing components 45 promotes the nail pushing device in thenail bin 43 in motion in actuatingunit 4 under the driving ofhandle 2; Nail pushing device will stitch nail and release towardsnail anvil 42; Seam nail passes tissue, and at the cooperation compacted under ofnail anvil 42, thereby realizes that percussion sews up.

In order to guarantee to stitch the Forming Quality of nail, particularly stitch the molding height of nail, need when percussion sewed up, control the distance between nail anvil and the nail bin base and keep its concordance in the longitudinal direction.

Fig. 5 is the sketch map according to the firing components of the surgical cut suture instruments of this utility model embodiment.As shown in Figure 5,firing components 45 comprises firing componentsmain body 451, and the far-end of firing componentsmain body 451 can be provided withcutter 454, andcutter 454 are used to cut and organize.Firing components 45 also comprises from firstlateral member 452 of firing componentsmain body 451 horizontal expansions and secondlateral member 453.

Fig. 6 is the sketch map according to the actuating unit under percussion stitching state of the surgical cut suture instruments of this utility model embodiment.As shown in Figure 6; Afterclamp 41 closures grasp tissue; Firing componentsmain body 451 is contained in and moves innail anvil groove 421 and the nail bin bottom tub 441 and pull the trigger stitching, and simultaneously, firstlateral member 452 optionally cooperates theupper surface 4221 andlower surface 4222 of nail anviltransverse groove 422 slidably; Secondlateral member 453 optionally cooperates the upper surface face 4421 and lower surface 4422 of nail bin base transverse groove 442 slidably; Opening on the direction and to control the distance betweennail anvil 42 and thenail bin base 44 on the closing direction two-wayly, and then the molding height of control seam nail, suture quality guaranteed.

Particularly; When organizing of clamping is blocked up; Firstlateral member 452 applies compression stress secondlateral member 453 to thelower surface 4222 of nail anviltransverse groove 422 and applies compression stress to the upper surface 4421 of nail bin base transverse groove 442, prevents that the distance between nail anvil and the nail bin base is excessive or inconsistent.

When the tissue of clamping is crossed when thin; Firstlateral member 452 applies support force to theupper surface 4221 of nail anviltransverse groove 422; Secondlateral member 453 applies support force to the lower surface 4422 of nail bin base transverse groove 442, in case the distance between non-magnetic shim anvil and the nail bin is too small or inconsistent.

Fig. 7 is the transverse sectional view according to percussion part, nail anvil and the nail bin base of the surgical cut stiching instrument apparatus of this utility model embodiment.The groove of nail anvil in thepresent embodiment 421 as shown in Figure 7 forms T-slot with nail anviltransverse groove 422, and nail bin groove 441 also forms T-slot with nail bin base transverse groove 442.They also can have other embodiments, and for example, nail anvil groove and nail anvil transverse groove form cross bath or L shaped groove etc., and nail bin bottom tub and nail bin base transverse groove form cross bath or L shaped groove, and various embodiments also can make up each other.

Form under the situation of cross bath, nail bin bottom tub and nail bin base transverse groove formation cross bath at nail anvil groove and nail anvil transverse groove; The firing components main body and first lateral member and second lateral member also can form cross; Thereby the upper surface of firing components main body and lower surface can cooperate with the upper surface of nail anvil groove and the lower surface of nail bin bottom tub respectively slidably, are used for from opening the distance between direction control nail anvil and the nail bin base.

To sum up, the beneficial effect of this utility model comprises: during the percussion of surgical cut suture instruments is sewed up, can control the distance between nail anvil and the nail bin base effectively and keep its concordance, and then can control the molding height of seam nail effectively, guarantee suture quality.

Although described the preferred embodiment of this utility model, in a single day those skilled in the art get the basic inventive concept could of cicada, then can make other change and modification to these embodiment.So accompanying claims is intended to be interpreted as all changes and the modification that comprises preferred embodiment and fall into this utility model scope.

Obviously, those skilled in the art can carry out various changes and modification to this utility model and not break away from the spirit and the scope of this utility model.Like this, belong within the scope of this utility model claim and equivalent technologies thereof if these of this utility model are revised with modification, then this utility model also is intended to comprise these changes and modification interior.

Claims (4)

1. a surgical cut suture instruments is characterized in that, comprising:

Handle, said handle are used for producing driving;

Slender bodies, said slender bodies from said handle to remote extension;

Actuating unit, said actuating unit is arranged on the far-end of said slender bodies, and said actuating unit comprises:

Clamp, said clamp open in response to the driving of said handle or are closed, and said clamp has first holder arms and second holder arms, and said first holder arms comprises nail anvil, and said second holder arms comprises nail bin and the nail bin base that is used to install nail bin;

Said nail anvil is provided with the nail anvil groove and from the nail anvil transverse groove of said nail anvil groove horizontal expansion, and said nail bin base is provided with the nail bin bottom tub and from the nail bin base transverse groove of said nail bin bottom tub horizontal expansion;

Firing components, said firing components comprise firing components main body, first lateral member and second lateral member;

When said jaws close; Said firing components main body can be contained in said nail anvil groove and the said nail bin bottom tub and move; Said first lateral member optionally cooperates the upper surface or the lower surface of said nail anvil transverse groove slidably; Said second lateral member optionally cooperates the upper surface or the lower surface of said nail bin base transverse groove slidably, from open on the direction and control said nail anvil on the closing direction two-wayly and said nail bin base between distance.

2. surgical cut suture instruments according to claim 1; It is characterized in that; Said nail anvil groove and said nail anvil transverse groove form T-slot, cross bath or L shaped groove, and/or said nail bin bottom tub and said nail bin base transverse groove form T-slot, cross bath or L shaped groove.

3. an actuating unit that is used for the surgical cut suture instruments is characterized in that, comprising:

Clamp, said clamp expansible or closure, said clamp has first holder arms and second holder arms, and said first holder arms comprises nail anvil, and said second holder arms comprises nail bin and the nail bin base that is used to install nail bin;

Said nail anvil is provided with the nail anvil groove and from the nail anvil transverse groove of said nail anvil groove horizontal expansion, and said nail bin base is provided with the nail bin bottom tub and from the nail bin base transverse groove of said nail bin bottom tub horizontal expansion;

Firing components, said firing components comprise firing components main body, first lateral member and second lateral member;

When said jaws close; Said firing components main body can be contained in said nail anvil groove and the said nail bin bottom tub and move; Said first lateral member optionally cooperates the upper surface or the lower surface of said nail anvil transverse groove slidably; Said second lateral member optionally cooperates the upper surface or the lower surface of said nail bin transverse groove slidably, from open on the direction and control said nail anvil on the closing direction two-wayly and said nail bin base between distance.

4. actuating unit according to claim 3; It is characterized in that; Said nail anvil groove and said nail anvil transverse groove form T-slot, cross bath or L shaped groove, and/or said nail bin bottom tub and said nail bin base transverse groove form T-slot, cross bath or L shaped groove.

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