CN103169519A - Operation cutting suture instrument and closing height controlling device thereof - Google Patents

Abstract

The invention discloses an operation cutting suture instrument. The operation cutting suture instrument comprises a handlebar, a slender body, and an executing device, wherein the executing device comprises clamp forceps. When the clamp forceps are closed, a main body of a percussion part can be contained inside a nail anvil groove and a nail cabin base seat groove to move. A first horizontal part is matched with the upper surface of the nail anvil horizontal groove or the lower surface of the nail anvil horizontal groove in a selective and sliding mode, a second horizontal part is matched with the upper surface of the nail bin base seat horizontal groove or the lower surface of the nail bin base seat horizontal groove in a selective and sliding mode, and therefore the distance between a nail anvil and a nail anvil base seat is controlled in a bi-directional mode in the opening direction and the closing direction.

Description

Surgical cut suture instruments and shut height control device thereof

Technical field

The present invention relates to field of surgical, relate in particular to surgical cut suture instruments device.

Background technology

At present, the surgical cut suture instruments is used in surgical operation widely.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 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 staple and nail pushing device in nail bin.When jaws close and grasping tissue, nail pushing device is driven and staple is released towards nail anvil, and staple is passed tissue and at the cooperation compacted under of nail anvil, sewed up thereby complete percussion.

When percussion is sewed up, distance between two arms of clamp (namely, the shut height of clamp) determined the forming height of staple, molding for staple is extremely important, size and this distance of this distance all can affect the quality (the particularly forming height of staple) of staple molding along the concordance on the holder arms length direction, thereby affect the quality of tissue apposition.

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

On the other hand, when organizing of clamping is thinner, if the shut height of holder arms is too small, be easier to the thickness of tissue compression too smallly, cause the forming height of histoclastic cellularity and staple too low, and make tissue be not easy healing.

Summary of the invention

The embodiment of the present invention provides a kind of surgical cut suture instruments, is used for solving the control problem of above-mentioned shut height.

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

Handle, described handle is for generation of driving;

Slender bodies, described slender bodies is from described handle to remote extension;

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

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

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

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

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

In the scheme of the embodiment of the present invention, described nail anvil groove and described nail anvil transverse groove can form T-slot, cross bath or L shaped groove, and/or described nail bin bottom tub and described nail bin base transverse groove can form T-slot, cross bath or L shaped groove.

The embodiment of the present invention also provides a kind of actuating unit for the surgical cut suture instruments, it is characterized in that, comprising:

Clamp, described clamp expansible or closure, described clamp has the first holder arms and the second holder arms, and described the first holder arms comprises nail anvil, and described the second holder arms comprises nail bin and is used for installing the nail bin base of nail bin;

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

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

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

In the scheme that the embodiment of the present invention provides, by the distance between two-way control nail anvil and nail bin base, thereby can resist because the distance that causes in shortage of the tissue of clamping is dwindled and because the excessive distance that causes of the tissue of clamping increases, and keep the concordance of shut height, and then the forming height of control staple, guarantee suture quality.

Description of drawings

Fig. 1 is the schematic diagram according to the surgical cut suture instruments of the embodiment of the present invention;

Fig. 2 is the schematic diagram according to the actuating unit of the surgical cut suture instruments of the embodiment of the present invention;

Fig. 3 is the schematic diagram according to the nail bin base of the surgical cut suture instruments of the embodiment of the present invention;

Fig. 4 is the schematic diagram according to the nail anvil of the surgical cut suture instruments of the embodiment of the present invention.

Fig. 5 is the schematic diagram according to the firing components of the surgical cut suture instruments of the embodiment of the present invention;

Fig. 6 is the schematic diagram according to the actuating unit under percussion stitching state of the surgical cut suture instruments of the embodiment of the present invention;

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 the embodiment of the present invention.

The specific embodiment

Describe below with reference to accompanying drawings the specific embodiment of the present invention in detail.

Fig. 1 is the surgical cut suture instruments according to the embodiment of the present invention.As shown in Figure 1, surgicalcut suture instruments 1 compriseshandle 2,slender bodies 3 and actuating unit 4.Handle 2 is used to actuatingunit 4 that driving is provided.Slender bodies 3 (, is called near-end near the direction of handle herein, is called far-end away from the end direction of handle, slender bodies) from describedhandle 2 to far-end and extends.Actuatingunit 4 is arranged on the far-end ofslender bodies 3.

Fig. 2 is the schematic diagram according to the actuating unit of the surgical cut suture instruments of the embodiment of the present invention.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 whereinnail bin 43 is arranged on nail binbase 44, is provided with staple and nail pushing device in nail bin 43.Actuatingunit 4 also comprisesfiring components 45.

Fig. 3 is the schematic diagram according to the nail bin base of the surgical cut suture instruments of the embodiment of the present invention.As shown in Figure 3,nail bin base 44 is provided with the nailbin bottom tub 441 that extends along its length direction, and nailbin bottom tub 441 is used for holding firing components 45.Nail binbase 44 also is provided with the nail bin basetransverse groove 442 from 441 horizontal expansions of nail bin bottom tub.Nail bin basetransverse groove 442 hasupper surface face 4421 andlower surface 4422.

Fig. 4 is the schematic diagram according to the nail anvil of the surgical cut suture instruments of the embodiment of the present invention.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 for holding 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 clamp when organizing,firing components 45 promotes the nail pushing device innail bin 43 in motion in actuatingunit 4 under the driving ofhandle 2, nail pushing device is released staple towardsnail anvil 42, staple is passed tissue, and at the cooperation compacted under ofnail anvil 42, thereby realizes that percussion sews up.

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

Fig. 5 is the schematic diagram according to the firing components of the surgical cut suture instruments of the embodiment of the present invention.As shown in Figure 5,firing components 45 comprises firing components main body 451, and the far-end of firing components main body 451 can be provided with cutter 454, and cutter 454 are used for cutting and organizing.Firing components 45 also comprises from the firstlateral member 452 of firing components main body 451 horizontal expansions and the secondlateral member 453.

Fig. 6 is the schematic diagram according to the actuating unit under percussion stitching state of the surgical cut suture instruments of the embodiment of the present invention.as shown in Figure 6, afterclamp 41 closures clamp tissue, firing components main body 451 is contained in and moves innail anvil groove 421 and nailbin bottom tub 441 and pull the trigger stitching, simultaneously, the firstlateral member 452 optionally coordinatesupper surface 4221 and thelower surface 4222 of nail anviltransverse groove 422 slidably, the secondlateral member 453 optionally coordinatesupper surface face 4421 and thelower surface 4422 of nail bin basetransverse groove 442 slidably, to open on direction and to control distance betweennail anvil 42 andnail bin base 44 on closing direction two-wayly, and then the forming height of control staple, guarantee suture quality.

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

When the tissue of clamping when thin, the firstlateral member 452 applies support force to theupper surface 4221 of nail anviltransverse groove 422, the secondlateral member 453 applies support force to thelower surface 4422 of nail bin basetransverse groove 442, in case the distance between non-magnetic shim anvil and 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 the embodiment of the present invention.As shown in Figure 7,nail anvil groove 421 and nail anviltransverse groove 422 form T-slot in the present embodiment, andnail bin groove 441 and nail bin basetransverse groove 442 also form T-slot.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 mutually.

In the situation that forming cross bath, nail bin bottom tub and nail bin base transverse groove, nail anvil groove and nail anvil transverse groove form cross bath, firing components main body and the first lateral member and the second lateral member also can form cross, thereby the upper surface of firing components main body and lower surface can coordinate 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 nail bin base.

To sum up, beneficial effect of the present invention comprises: during the percussion of surgical cut suture instruments is sewed up, can effectively control the distance between nail anvil and nail bin base and keep its concordance, and then can effectively control the forming height of staple, guaranteeing suture quality.

Although described the preferred embodiments of the present invention, in a single day those skilled in the art get the basic creative concept of cicada, can make other change and modification to these embodiment.So claims are intended to all changes and the modification that are interpreted as comprising preferred embodiment and fall into the scope of the invention.

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

Claims (4)

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

Handle, described handle is for generation of driving;

Slender bodies, described slender bodies is from described handle to remote extension;

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

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

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

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

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

2. surgical cut suture instruments according to claim 1, it is characterized in that, described nail anvil groove and described nail anvil transverse groove form T-slot, cross bath or L shaped groove, and/or described nail bin bottom tub and described 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, described clamp expansible or closure, described clamp has the first holder arms and the second holder arms, and described the first holder arms comprises nail anvil, and described the second holder arms comprises nail bin and is used for installing the nail bin base of nail bin;

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

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

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

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

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