CN209252992U - Surgical operating instrument - Google Patents

Abstract

The utility model relates to a kind of surgical operating instruments, including nail-anvil assembly, the nail bin groupware bracket of jaw is formed with the nail-anvil assembly and the driving jaw is opened or the closure driving assembly of closure, the surgical operating instrument further includes center bearing bracket, the closure nut for being closed driving assembly and including the closure axis being arranged on the center bearing bracket and being threaded on the closure axis, the closure nut includes block portion, the nail bin groupware bracket is fixed on the closure nut, accommodating cavity is formed in the center bearing bracket, the block portion is arranged in the accommodating cavity, the guide post of the longitudinally extension along closed end axis is provided between the accommodating cavity and block portion, the arcuate guide hole with guide post cooperation is provided on the accommodating cavity and block portion, the surgical operating instrument is compared with prior art, change It has been apt to closure effect.

Description

Surgical operating instrument

Technical field

The utility model relates to a kind of surgical operating instruments.

Background technique

In general surgery treatment, surgical instruments is the operation tool in medical operating, and stapler is surgical instruments A kind of operation tool for the cutting closure function being commonly used for completing tissue, medically uses, substitutes manual suture Equipment, main operational principle are to carry out detachment to tissue using titanium nail (suturing nail) or coincide, and are similar to stapler.It is existing Stapler includes center bearing bracket, nail-anvil assembly, nail bin groupware bracket and the driving pincers with nail-anvil assembly formation jaw Mouthful open or closure closure driving assembly, the closure driving assembly drive nail bin groupware bracket with respect to nail-anvil assembly movement with Realize the opening or closure of jaw, nail bin groupware bracket is in addition to needing to connect with closure driving assembly to realize the nail bin groupware Between it is mobile outer relative to nail-anvil assembly, generally also need to fit in nail bin groupware bracket in the accommodating cavity of center bearing bracket, thus Nail bin groupware bracket double swerve is limited by the accommodating cavity to be provided on nail bin groupware bracket in specific embodiments The interconnecting piece being contained in accommodating chamber, the interconnecting piece also connects with closure driving assembly, and there are two interconnecting piece tools extends downwardly Extendible flake, Extendible flake is protruded into accommodating cavity and is contacted with the cavity wall of accommodating cavity, so that nail bin groupware bracket double swerve is limited, But due to being face contact between Extendible flake and cavity wall, guiding accuracy is not high, and then influences closure.

Utility model content

The purpose of this utility model is to provide a kind of surgical operating instruments, can improve match result.

In order to achieve the above objectives, the utility model provides the following technical solutions: a kind of surgical operating instrument, including nail anvil group The closure driving group that part, the nail bin groupware bracket that jaw is formed with the nail-anvil assembly and the driving jaw are opened or be closed Part, the surgical operating instrument further include center bearing bracket, and the closure driving assembly includes being arranged on the center bearing bracket Closure axis and the closure nut being threaded on the closure axis, the closure nut includes block portion, the nail bin groupware Bracket is fixed on the closure nut, and accommodating cavity is formed in the center bearing bracket, and the accommodating cavity is arranged in the block portion It is interior, the guide post of the longitudinally extension along closed end axis, the accommodating cavity are provided between the accommodating cavity and block portion Be provided on block portion with the guide post cooperation arcuate guide hole.

Further, the corner of accommodating cavity is arranged in the guide post.

Further, projection is formed with latch segment on the nail-anvil assembly, and the closure nut further includes from the bulk Portion has extended to form forward lock sheet, and the locking hole with latch segment cooperation is formed on the lock sheet.

Further, the lock sheet is that simultaneously downward bending extends to form forward from the block portion, and the locking hole is The notch extended to form by lock sheet bending.

In order to achieve the above objectives, the utility model provides the following technical solutions: a kind of surgical operating instrument, including nail anvil group The closure driving group that part, the nail bin groupware bracket that jaw is formed with the nail-anvil assembly and the driving jaw are opened or be closed Part, the nail bin groupware bracket include frame body portion to install nail bin groupware and the company extended rearwardly to form from the frame body portion Socket part, the interconnecting piece of the nail bin groupware bracket are movably arranged on the closure driving assembly, the closure driving assembly packet Closure axis is included, the interconnecting piece of the nail bin groupware bracket is movably arranged on the closure axis, and the nail bin groupware bracket exists Longitudinally on the closure axis along the closure axis moves；The surgical operating instrument further includes center bearing bracket, it is described in Accommodating cavity is formed in cardiac skeleton, the interconnecting piece is accommodated in the accommodating cavity, is provided between the interconnecting piece and accommodating cavity Guide post, and the arcuate guide hole with guide post cooperation is provided on the accommodating cavity and interconnecting piece.

Further, apply thrust, the nail bin group in frame body portion of the nail-anvil assembly to the nail bin groupware bracket The interconnecting piece of part bracket can the relatively described closure driving assembly along first direction swing, the first direction be the nail anvil bracket Act on the direction of the power on the nail bin groupware bracket.

Further, the closure driving assembly further includes the closure nut being arranged on the closure axis, the closure Nut is connect with the closure axle thread, and the interconnecting piece has mounting hole, and the closure nut is inserted into the mounting hole, It is clearance fit between closure nut and the mounting hole.

Further, the frame body portion has the front end far from interconnecting piece setting, and the front end is arranged to lower than institute State interconnecting piece.

Further, it is provided with trigger shaft in the nail-anvil assembly, is provided on the trigger shaft and the trigger shaft spiral shell The cutting assembly that line is connected and can be moved on the trigger shaft, the surgical operating instrument further include trigger switch and triggering institute The triggering application member of trigger switch is stated, the side of the trigger switch is provided with fixed plate, is provided with first in the fixed plate The side of first elastic component is arranged in elastic component, the triggering application member；The cutting assembly supports triggering application member, institute When stating cutting assembly percussion reset, the cutting assembly pushes the triggering application member mobile towards trigger switch and triggers triggering and opens It closes；When cutting assembly percussion, first elastic component drives the triggering application member far from trigger switch and close cuts Cut component.

Further, slipping block, the slipping block and trigger shaft clearance fit, the cutting are arranged on the trigger shaft Component supports the triggering application member by the slipping block, and the side of the slipping block is provided with the driving slipping block court and cuts Cut the second mobile elastic component of the direction of component.

The utility model has the beneficial effects that: the nail bin groupware bracket of the surgical operating instrument of the utility model and center Bracket passes through the cooperation of guide post and pilot hole, so that nail bin groupware bracket is mobile steady, mobile accuracy is got higher, with the prior art It compares, improves match result.

The above description is merely an outline of the technical solution of the present invention, in order to better understand the skill of the utility model Art means, and can be implemented in accordance with the contents of the specification, below on the preferred embodiment of the present invention and the accompanying drawings in detail It describes in detail bright as after.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of surgical operating instrument shown in the utility model embodiment one；

Fig. 2 is the exploded view of surgical operating instrument shown in FIG. 1；

Fig. 3 is Fig. 1 end effector, is closed axis and rigidly fixes the exploded view of frame；

Fig. 4 is the exploded view of nail-anvil assembly, trigger shaft, cutting assembly in Fig. 1；

Fig. 5 is the part-structure sectional view after nail-anvil assembly in Fig. 1, trigger shaft, cutting assembly assembling；

Fig. 6 is the cross-sectional view of the part-structure after another nail-anvil assembly, trigger shaft, cutting assembly assembling；

Fig. 7 is the assembling figure that nut and blade are fired in Fig. 1；

Fig. 8 is the exploded view of percussion nut and blade shown in Fig. 7；

Fig. 9 be trigger shaft in Fig. 1, percussion nut and after give up the throne the exploded view of positioning and recognizing device；

Figure 10 is the exploded view of nail bin groupware and the first identification switch in Fig. 1；

Figure 11 is the cross-sectional view of nail bin groupware in Figure 10；

Figure 12 is the assembling figure in Fig. 1 between nail bin groupware and shell；

Figure 13 is the enlarged drawing of circle B in Figure 12；

Figure 14 a to Figure 14 c is three kinds to the optical cable for the end effector for realizing two kinds of closure height；

Figure 15 is the exploded view of the part-structure of surgical operating instrument shown in another embodiment of the utility model；

Figure 16 is the knot such as surgical operating instrument end effector, nail bin groupware shown in another embodiment of the utility model The exploded view of structure.

Specific embodiment

With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.A following described upper and lower, left sides, Right, forward and backward positional relationship is using Fig. 1 as benchmark referring to figure, and the direction arrow a-a is up and down direction, the direction arrow b-b in Fig. 1 For front-rear direction, the direction arrow c-c is left and right directions.

Referring to Figure 1 and Fig. 2, surgical operating instrument shown in an embodiment of the present invention be electric drive stapler (under Claim stapler), it is used to suture and cut tissue.The stapler includes the body of a gun and the nail bin groupware that is mounted on the body of a gun 100.The body of a gun includes handle portion (not shown) and work head 10, and in the present embodiment, the handle portion is reusable Sterilize electric handle, be internally provided with fast connector and signal transmission port, be additionally provided in the handle portion to mention For the replaceable battery group of electric power, the power input device (not shown) to input power is provided in the handle portion, this is dynamic Power input unit includes motor.The connection type of the motor and battery is design conventional in the prior art, therefore is not carried out herein Detailed description.The movement such as closure, opening and percussion of work head 10 is driven by the handle portion.

The work head 10 includes shell 1, center bearing bracket 2, closure transmission component (not labeled), fires transmission component (not Label), switching part and end effector 3.The center bearing bracket 2 is fixed in the shell 1, the closure transmission component, Percussion transmission component is enclosed in the shell 1, and the closure transmission component, the one end for firing runner assembly pass through power transmission group Part (not shown) is connected to motor, and the closure transmission component, the other end for firing transmission component connect with end effector 3 respectively It connects and is supported by center bearing bracket 2.The closure transmission component, percussion transmission component are connect with moving handle portion with handle portion Power is transmitted to end effector 3, to drive the realization of end effector 3 to close by closure transmission component, percussion transmission component It closing, percussion, fires reset and open, the closure transmission component, percussion transmission component are the conventional design in this field, therefore herein It is not described in detail.The switching part includes changer lever 12 and the switching push button 11 that connect with the changer lever 12.Institute State changer lever 12 optionally through closure transmission component by the power transmission of power input device to closure driving assembly or By percussion transmission component by the power transmission of power input device to trigger shaft, the switching push button 11 is on shell.Pass through Stirring switching push button 11 drives the movement on closure transmission component, percussion transmission component of changer lever 12 being closed and firing to realize Switch between two states, the changer lever 12 and closure transmission component fire the connection type of transmission component as in this field Conventional design, therefore be not described in detail herein.

Referring to Figure 1, Fig. 3 and Fig. 4, the end effector 3 include nail-anvil assembly 31, the relatively described shifting of nail-anvil assembly 31 It is dynamic to complete the nail bin groupware bracket 32 that the end effector 3 closes or opens, the driving nail bin groupware bracket 32 towards nail 31 direction of anvil assembly moves so that the closure driving assembly that the end effector 3 closes or opens and is arranged in nail-anvil assembly The cutting assembly 33 on the trigger shaft 37 is arranged in trigger shaft 37 in 31.End effector 3 is closed or opened by following closely Anvil assembly 31 and nail bin groupware bracket 32 are completed, and the nail-anvil assembly 31 and nail bin groupware bracket 32 form jaw, which closes The closure of as end effector 3 is closed, the opening of the jaw is the opening of end effector 3.The nail bin groupware 100 is pacified On the nail bin groupware bracket 32.

Fig. 3 to Fig. 6 is referred to, the nail-anvil assembly 31 includes nail anvil bracket 311, the nail anvil bracket 311 is arranged in It nail anvil head 312 on end, the transparent shield 313 being arranged on institute's nail anvil bracket 311 and is located on the nail anvil bracket 311 Resist-nailed seat 314.The nail anvil bracket 311 includes the bottom wall 3114 being oppositely arranged and the left and right sides phase from the bottom wall 3114 On the side wall 3112 that extends to form.The side wall 3112 and bottom wall 3114, which enclose, to be set to form containing cavities (not labeled).The nail anvil branch The front end of frame 311 is embedded with card plug 3113.The resist-nailed seat 314 is fixed on the bottom wall 3114, and opposite with bottom wall 3114 Setting.Longitudinally (the longitudinally of the direction and work head 10 along the nail-anvil assembly 31 is offered on the bottom wall 3114 Identical, it is the direction a-a in Fig. 1) observation panel 315 of elongated shape that extends, the transparent shield 313 is covered on the observation panel On 315, in the present embodiment, the scale zone to play mark action, the scale zone are provided on the bottom wall 3114 Positioned at the side of the observation panel 315.The nail anvil head 312 is removably plugged on the front end of the nail anvil bracket 311, pass through by Nail anvil head 312 is removably plugged on the front end of the nail anvil bracket 311, in order to replace the nail anvil head 312, the end is facilitated to hold The maintenance of row device 3 improves the service life of the end effector 3.In the present embodiment, the nail anvil head 312 and nail anvil bracket 311 snap connection, specific: the hook that the nail anvil head 312 includes head 316 and extends rearwardly to form from the head 316 Portion 317 is provided with the buckle slot 318 with the hook part 317 cooperation, the buckle slot 318 formation in the nail anvil bracket 311 On bottom wall 3114.In the present embodiment, incorporated by reference to Fig. 5 and Fig. 6, the quantity of the hook part 317 is one, the hook part 317 include the cantilever 3171 extended rearwardly to form from the head 316 and the height from the cantilever 3171 along end effector 3 The rectangular fixture block 3172 that the upward projection in direction is formed.In other embodiments, Fig. 6, the number of the hook part 317 ' are referred to Amount can be two, and two hook parts 317 are disposed opposite to each other along the central axes of the end effector 3, each hook The circle that portion 317 ' has the cantilever 3171 ' extended rearwardly to form from the head 316 ' and formed from the 3171 ' projection of cantilever Head dummy fixture block 3172 ' is recessed and the brachycephalic fixture block 3172 ' cooperation in this embodiment, in two side walls 3112 ' Buckle slot 318 '.

Fig. 3 is referred to, the nail bin groupware bracket 32 is cantilever design, and the nail bin groupware bracket 32 includes to fixation The frame body portion 321 of nail bin groupware 100 and the interconnecting piece 322 extended rearwardly to form from the frame body portion 321.The frame body portion 321 tool There is front end 323, the front end 323 of the nail bin groupware bracket 32 is vacantly arranged, which is arranged far from interconnecting piece 322. The interconnecting piece 322 of the nail bin groupware bracket 32 is movably arranged on the closure driving assembly, right in the nail-anvil assembly 31 The frame body portion 321 of the nail bin groupware bracket 32 applies thrust, and the interconnecting piece 322 of the nail bin groupware bracket 32 can be with respect to institute It states closure driving assembly to swing along first direction (arrow d direction in Fig. 3), the first direction is the nail anvil bracket 311 act on the direction of the power on the nail bin groupware bracket 32.It is provided in the frame body portion 321 and the nail bin groupware The fixing slot (not labeled) of 100 cooperations.The interconnecting piece 322 is including connection sheet 324 and from left and right sides of the connection sheet 324 The Extendible flake 325 being downwardly extending.Mounting hole 326 is offered in the connection sheet 324, the mounting hole 326 includes axis hole 327 and tear the escape groove 328 of formation outward from the both ends of the axis hole 327.

Fig. 2 and Fig. 3 are referred to, the closure driving assembly includes 34 He of closure axis being mounted on the center bearing bracket 2 Closure nut 35 on the closure axis 34 is set.Taper transmission is provided between the closure axis 34 and closure transmission component Gear set, the taper driving gear set include the first bevel gear 41 being arranged on the closure transmission component and are arranged in institute The second bevel gear 42 in the support of center bearing bracket 2 is stated, one end of the closure axis 34 is inserted into the second bevel gear 42 and leads to Cross the connection of flat structure.The closure axis 34 is used with the closure nut 35 being disposed thereon and is threadedly coupled, the closure nut 35 The rotary motion for being closed axis 34 is converted into linear motion so that the closure nut 35 can close on edge on the closure axis 34 The longitudinally of sympodium 34 moves linearly.The closure nut 35 is inserted into the mounting hole 326, the closure nut It is clearance fit between 35 and mounting hole 326, the closure nut 35 drives the nail bin groupware bracket 32 in the closure axis Longitudinally on 34 along the closure axis 34 moves.The closure nut 35 includes pressure section 351, from the pressure section 351 The axle portion 352 being downwardly extending and the lateral convex block 353 formed from the outside projection of the axle portion 352, the axle portion 352 are inserted Enter in axis hole 327 so that the axle portion 352 and axis hole 327 cooperate, be clearance fit between the mounting portion and axis hole 327. When being closed nut 35 and the assembly of nail bin groupware bracket 32, lateral convex block 353 is first aligned with escape groove 328, so that the closure 35 sets of nut are set on nail bin groupware bracket 32, then, closure nut 35 are rotated so that the lateral convex block 353 and evacuation Slot 328 misplaces, at this point, the interconnecting piece 322 of nail bin groupware 100 is clamped between pressure section 351 and lateral convex block 353, to prevent Nail bin groupware bracket 32 is separated with closure nut 35, simultaneously as the nail bin groupware bracket 32 and closure nut 35 are again socket, Axle portion 352 is polished rod, mounting hole 326 is unthreaded hole, therefore slight width opposite can be done between nail bin groupware bracket 32 and closure nut 35 Swing on degree.In the present embodiment, the relatively closed nut 35 of nail bin groupware bracket 32 rotates in order to prevent, the nail bin groupware It is fixed with fixing piece 36 on bracket 32, the card slot 361 with the convex block 353 cooperation, the convex block are provided on the fixing piece 36 353 are located in the card slot 361, and the fixing piece 36 is located at the lower section of the interconnecting piece 322, and in the present embodiment, this is fixed Part 36 and nail bin groupware bracket 32 weld.The fixing piece 36 is accommodated in nail bin groupware bracket 32.The center bearing bracket 2, which has, to be held The accommodating cavity 21 set second bevel gear 42, be closed axis 34, the side of left and right two of the accommodating cavity 21 are relatively set with cavity wall 211, The interconnecting piece 322 is accommodated in the accommodating cavity 21, and the interconnecting piece 322 fits in the accommodating cavity 21 and the connection Portion 322 can move in the accommodating cavity 21 along the longitudinally for being closed axis 34.Two Extendible flakes 325 of the interconnecting piece 322 It respectively corresponds two cavity walls 211 to be arranged, Extendible flake 325 is bonded to limit the nail bin groupware bracket 32 in nail bin group with cavity wall 211 The left and right directions of part bracket 32 shakes.In other embodiments, in order to mention mobile accuracy, the interconnecting piece 322 and accommodating It is provided with guide post between chamber 21, and is provided with the arcuate guide with guide post cooperation on accommodating cavity 21 and interconnecting piece 322 Hole improves mobile accuracy to evade face contact.The arcuate guide hole is arranged on Extendible flake 325, really, can not Extendible flake 325 is set, then the arcuate guide hole is formed directly into connection sheet 324.

Pre-bending elastic slice 37 is provided on the nail bin groupware bracket 32, the pre-bending elastic slice 37 is clamped in nail bin groupware bracket Between 32 and shell 1, the pre-bending elastic slice 37 includes the first sheet body portion 371 for being located at 324 top of connection sheet, is arranged in institute It states the second sheet body portion 372 of 321 top of frame body portion and is folded down the folding part 373 formed from second sheet body portion 372, The folding part 373 is located at the lower section in the second sheet body portion 372, and the folding part 373 is arranged close to connection sheet 324, the folding part 373 support frame body portion 321.There is folding line between first sheet body portion 371 and the second sheet body portion 372.By in nail bin groupware Pre-bending elastic slice 37 is arranged between bracket 32 and shell 1 can both prevent to generate rigidity punching between nail bin groupware bracket 32 and shell 1 It hits, and reduces the beat generated in the closure of end effector 3 and opening procedure, help to obtain preferably into nail form.

3 closing course of end effector is as follows: when closure transmission component passes through taper transmission gear driving closure axis 34 When rotating along the first direction of rotation (first direction of rotation can be for clockwise), the closure nut 35 be on closure axis 34 It moves down, at this point, closure nut 35 drives nail bin groupware bracket 32 mobile towards the direction of nail-anvil assembly 31 until the end is held Row device 3 is closed.It, generally will nail in order to guarantee the match result of end effector 3 since nail bin groupware bracket 32 is cantilever design The front end 323 of storehouse assembly support 32 is arranged to lower than interconnecting piece 322, and the purpose of the design is: if front end 323 is arranged At concordant with interconnecting piece 322, then during end effector 3 is closed, the front end (nail bin groupware of nail bin groupware 100 It is located at the part of 32 front end 323 of nail bin groupware bracket in 100) elder generation is contacted with the tissue for being sewn and cutting, at this point, the end Portion's actuator 3 is also to be closed completely, if starting firing action at this time, match result is bad.Therefore, the nail bin groupware bracket 32 It has to again towards the movement of the direction of nail-anvil assembly 31, to realize being closed completely for jaw.During this, nail bin groupware bracket 32 Front end 323 front end by nail bin groupware 100 is applied to the structural relative to force for being sewn and cutting and upward Micro- lift, and then cause the nail bin groupware bracket 32 whole along the upward slight oscillatory of first direction, due to 100 activity peace of nail bin groupware Mounted in closure nut 35 on, nail bin groupware bracket 32 can relatively closed nut 35 along first direction swing, therefore, interconnecting piece 322 is Stress weak part carries out stress weak part by the way that front end 323 to be arranged to the structure type lower than interconnecting piece 322 Reinforce, can avoid 32 bending of nail bin groupware bracket, reduce the fatigue damage of nail bin groupware 100, improves making for nail bin groupware 100 Use the service life.

For the ease of the fixation closure axis 34, described 34 one end of closure axis is fixed on the shell 1, the other end is solid It is scheduled on center bearing bracket 2.In the present embodiment, the closure axis 34 is fixed on the shell 1 by rigid support 51.Institute The fixing groove (not shown) for being recessed on rigid support 51 and docking with the closure axis is stated, it is in the present embodiment, described rigid Property bracket 51 and closure axis 34 between be provided with bearing 52, the bearing 52 is arranged in the fixing groove.The rigid support 51 include bottom plate 511 and upwardly extend the adjutage 512 to be formed from the bottom plate 511, and the adjutage 512 fixes in described On cardiac skeleton 2, the fixing groove is arranged on the bottom plate 511.Since the closure axis 34 is fixed on institute by rigid support 51 It states on shell 1, to solve in the prior art since closure axis 34 is directly anchored to cause the damage to shell 1 on shell 1 The problem of bad and closure axis 34 itself is along the offset of axis, helps to improve the service life of shell 1, improves the accurate of closure Property.

Incorporated by reference to Fig. 4 and Fig. 8, the cutting assembly 33 includes the percussion nut 331 being threadedly coupled with the trigger shaft 37 With the blade 332 being arranged on the percussion nut 331.The extending direction of the trigger shaft 37 prolongs with the lengthwise of nail-anvil assembly 31 Direction is stretched, the knife spine (not labeled) that the blade 332 has blade face and is disposed opposite to each other with the blade face (not labeled) is described The interior concane gap 333 extended from the knife spine towards the blade face direction is provided on knife spine, since the blade face has indent Notch helps to improve the service life of blade 332 so that blade 332 forms buffering when cutting backward.It is described Blade 332 can be integrally formed with percussion nut 331.In the present embodiment, nut 331 is seperated sets with percussion for the blade 332 It sets, which is fixed on percussion nut 331, can pass through the company of welding or riveting between blade 332 and percussion nut 331 Connect or pass through pin connection.The percussion nut 331 is located in the containing cavities of nail bin bracket 311, the exposure of percussion nut 331 In the observation panel 315, by the observation panel 315 it can be observed that the position of percussion nut 331, fires and hit to understand The real time position of fat nut 331.In order to intuitively recognize the position of percussion nut 331, the percussion nut 331 and nail anvil group There are color difference between part 31, transparent shield 313.

Incorporated by reference to Fig. 1 and Fig. 2, electric control part is provided in the body of a gun, the electric control part includes that withdrawing identifies in place Device, triggering inductive switch 83 and closure level identification device.

Fig. 2 and Fig. 9 are referred to, identification device includes the trigger switch 81 being arranged on the shell 1 to the withdrawing in place With triggering application member 82, which can be optoelectronic switch, and the triggering application member 82 is pilot pin, when described fixed After position needle 82 is inserted into optoelectronic switch, which is triggered, then the electric control part of the surgical operating instrument is hit Fat nut 331 is retracted into the information in home position, and electric control part can inform the information by way of acoustic control or photoelectricity Operator.The side of the trigger switch 81 is provided with fixed plate 14, which is fixed on shell 1, the fixed plate The first elastic component 15 is provided on 14.The side of first elastic component 15 is arranged in the pilot pin 82.The percussion nut 331 support pilot pin 82, and when the percussion of percussion nut 331 resets, the percussion nut 331 pushes 82 court of pilot pin Trigger switch 81 is mobile and triggers the trigger switch 81；When the percussion nut 331 percussion, first elastic component 15 is driven The pilot pin 82 is far from trigger switch 81 and close to cutting assembly 33.When specifically used, first elastic component 15 is in institute It states and applies the first power in pilot pin 82, which separates pilot pin 82 with trigger switch 81 so that the trigger switch 81 is not touched Hair, the percussion nut 331 applies the second power in pilot pin 82, this second pushes dynamic pilot pin 82 towards 81 direction of trigger switch Mobile to trigger the trigger switch 81, second power is greater than the first power, and percussion nut 331 has been defined on the trigger shaft 37 The first firing position (percussion 33 position of nut is realized in Fig. 4) when not firing, hits when percussion nut 331 is located at first Position is sent out, the percussion nut 331 applies the second power to pilot pin 82, when the percussion nut 331 is not in first percussion Position, then second power is cancelled from the pilot pin 82, and described first pushes dynamic pilot pin 82 separates with trigger switch 81. In the present embodiment, which is the spring being set in the pilot pin 82, is provided in the pilot pin 82 Compress the first elastic component 15 compresses ring 821.Slipping block 16, the slipping block 16 and percussion are arranged on the trigger shaft 37 37 clearance fit of bar, the percussion nut 331 support the pilot pin 82 by the slipping block 16, the slipping block 16 Side is provided with the second mobile elastic component 17 of the direction for driving the slipping block 16 towards percussion nut 331, specific: described to hit Hair bar 37 includes the thread segment 371 being threadedly engaged with the percussion nut 331 and prolongs from the thread segment 371 along longitudinally The polished rod portion 372 stretched is arranged slipping block 16 in the polished rod portion 372.The percussion nut 331 supports slipping block 16 and will be described Slipping block 16 pushes away the first firing position, and the percussion nut 331, the second elastic component 17 are oppositely arranged on the two of slipping block 16 Side.Second elastic component 17 is spring.By the way that the withdrawing is arranged, identification device can make the surgical operating instrument can be in place Know whether the percussion nut 331 retreats in place by automatically controlled mode, compared with prior art, can evade in the surgical operation Percussion nut 331 retreats problem not in place when repeatedly percussion retreats, and can be realized without the circle number by calculating driving motor Positioning is retreated, the quality of operation is helped to improve.

Referring to Figure 1, to Figure 13, the nail bin groupware 100 includes warehouse 91, is arranged in the warehouse 91 by Fig. 2, Figure 10 Several suturing nails (not shown), the relatively described warehouse 91 of the driving suturing nail move nail-pushing part (not shown), driving institute It states the relatively described warehouse 91 of the nail-pushing part actuator 92 moved, the bracket 93 fixed on the warehouse 91, be arranged in the storehouse The sliding trigger member 99 that on body 91 shield top plate 90, is arranged in the warehouse 91.Inductive switch 83 is triggered to trigger the touching Send out inductive switch 83.The staple cavity 94 of several storage suturing nails is provided in the warehouse 91, the warehouse 91 includes group Contact platform 95 and warehouse side wall 96 are knitted, the staple cavity 94 contacts platform 95 through the tissue.The sliding trigger member 99 It is arranged in warehouse 91, and the sliding trigger member 99 is pushed by the actuator 92 and position is occurred in the warehouse 91 and is become Change.The slid chamber 97 to store the sliding trigger member 99 is provided in the warehouse 91, which can be It moves in the slid chamber 97 and makes 99 change in location of sliding trigger member, the sliding trigger member 99 passes through actuator 92 It is pushed to move in the slid chamber 97.In the present embodiment, the general configuration and cause in the prior art of the actuator 92 Moving part is identical, and difference is: the actuator 92 in the present embodiment is equipped with to drive the sliding trigger member 99 is mobile to support Pushed section 921.In order to make the compact-sized of the pushing portion 921, recess portion 922 is offered on the actuator 92, the pushing portion 921 The rear wall of recess portion 922 is formed positioned at the rear of the recess portion 922.The sliding trigger member 99 is mounted in the recess portion 922.? First position and the second position have been defined in the warehouse 91, and (in Fig. 4, the position where the sliding trigger member 99 of solid line is First position, 99 position of sliding trigger member of dotted line are the second position), the actuator 92 pushes the sliding trigger member 99 are moved to the second position from the first position.The triggering inductive switch 83 is located at and is located on first position Trigger member 99 is slid to trigger.When the actuator 92 pushes sliding trigger member 99 to leave first position, the sliding trigger member 99 It is detached from actuator 92 and enters to the second position, at this point, the sliding trigger member 99 being located on the second position is opened with triggering induction 83 dislocation are closed, the sliding trigger member 99 on the second position can not trigger the triggering inductive switch 83.In this embodiment, the touching Hair inductive switch 83 is located on shell 1.The bottom of the slid chamber 97 has the conduit 971 for being inclined outwardly setting, the sliding Trigger member 99 is located in the conduit 971 and moves along the direction of the conduit 971.Third bullet is additionally provided in the warehouse 91 Property part 98, the actuator 92 push the sliding trigger member 99 to be moved to the second position from the first position, work as institute It states sliding trigger member 99 and is moved to the second position, the third elastic component 98 is formed with sliding trigger member 99 interferes with by the cunning It moves trigger member 99 and is maintained at the second position.The third elastic component 98 can be elastic slice.In the present embodiment, when sliding is touched For outbox 99 at first position, elastic slice 98 supports the warehouse side wall 96 of sliding trigger member 99 to prevent the sliding trigger member 99 from recessed It is detached in portion 922, when the sliding trigger member 99 is moved to the second position under the drive of actuator 92, elastic slice 98 will Deformation occurs, is moved to 2 from 1 in Figure 13, at this time elastic slice 98 support sliding trigger member 99 rear, elastic slice 98 with It slides and forms interference between trigger member 99 so that the sliding trigger member 99 is fixed on the second position.For the ease of incuding, Induction window (not labeled), the specific induction window observation side wall 3112 and bracket 93 are offered on nail bin groupware 100, when The sliding trigger member 99 is located at the first position, and the sliding trigger member 99 is exposed to outer by the induction window.At this In embodiment, elastic slice 98 is formed on bracket 93.When specifically used, the triggering inductive switch 83 is Hall switch, described Sliding trigger member 99 is the magnet to trigger the Hall switch；Alternatively, the triggering inductive switch 83 is reflection-type photoelectricity Switch, the sliding trigger member 99 are the reflecting element to trigger the reflection-type optoelectronic switch.In specific implementation, due to The sliding trigger member 99 for pushing and occurring in the warehouse 91 change in location by the actuator 92 is provided in warehouse 91, from And can judge whether the nail bin groupware 100 is previously used according to the position of sliding trigger member 99, and surgical operating instrument uses When, since electric control part is provided with the trigger member triggered by the sliding trigger member 99, to pass through automatically controlled identification nail bin group Whether part 100 was fired, and then was avoided medical unexpected.

4a referring to Figure 1, the closure level identification device include along the moving direction of 100 bracket 32 of nail bin groupware It is arranged and the first sensing device 85 and the second sensing device 86 to incude 100 bracket 32 of nail bin groupware；In the pincers On the closing direction of mouth, the closure height of first sensing device 85 and the corresponding jaw of the second sensing device 86 is arranged not In same height.First sensing device 85 and the second sensing device 86 incude the Extendible flake 325, which can set It sets on center bearing bracket 2.First sensing device 85 and the opposite setting of nail bin groupware bracket 32 of the second sensing device 86 are being followed closely The same side of storehouse assembly support 32.4b referring to Figure 1, in other embodiments, first sensing device 85 and the second induction The two sides of nail bin groupware bracket 32 can also be arranged in device 86 with respect to nail bin groupware bracket 32.In Figure 14 a and Figure 14 b, the One sensing device 85 and the second sensing device 86 are optoelectronic switch, when end effector 3 is closed, are located at different height position The optoelectronic switch set is extended piece 325 respectively and blocks, and to identify two different closure height of end effector 3, completes The closure height of automatically controlled feedback end effector 3.Really, first sensing device, the second sensing device can be opened for Hall It closes, at this point, the magnet to trigger the first sensing device, the second sensing device need to be arranged on the nail-anvil assembly.

In other embodiments, when nail-anvil assembly 31 is moving member, closure driving assembly drives the nail-anvil assembly 31 move so that the jaw closes or opens towards 32 direction of nail bin groupware bracket, at this point, the first sensing device 85 and second Sensing device 86 is arranged along the moving direction of the nail-anvil assembly 31 and to incude the nail-anvil assembly 31；In the jaw Closing direction on, the closure of the corresponding jaw of first sensing device 85 and the second sensing device 86 is highly arranged in different In height.First sensing device 85, the second sensing device 86 can also be optoelectronic switch.Likewise, the first induction dress Set the 85, second sensing device 86 so can also need to be then arranged to trigger for Hall switch on the nail-anvil assembly 31 The magnet of one sensing device 85, the second sensing device 86.The quantity of above-mentioned sensing device can also be arranged two according to actual needs More than a.

In addition to this, 4c, the closure level identification device can also be setting in the nail bin groupware branch referring to Figure 1 An optoelectronic switch on the moving direction of frame 32 offers the aperture with optoelectronic switch cooperation on the Extendible flake 325, Since the optoelectronic switch is blocked or penetrating, to there is the optoelectronic switch to obtain two different working conditions, to identify end Two different closure height of portion's actuator 3.In the present embodiment, lengthwise of the nail bin groupware bracket 32 along the closure axis 34 Direction translation.The embodiment is also change to: an optoelectronic switch is arranged on the moving direction of the nail-anvil assembly 31 On, the nail-anvil assembly 31 has the Extendible flake 325 extended towards the nail bin groupware bracket 32, opens up on the Extendible flake 325 There is the aperture 329 with optoelectronic switch cooperation.

Above-mentioned nail bin groupware identification switch two is by being arranged on the moving direction of storehouse assembly support and described to incude The two or more sensing devices of nail bin groupware bracket 32, alternatively, by being set on the moving direction of the nail-anvil assembly 31 Set and the two or more sensing devices to incude the nail-anvil assembly 31, alternatively, in the nail bin groupware bracket 32 or One optoelectronic switch is set on the moving direction of nail-anvil assembly 31, then in corresponding nail-anvil assembly 31 or nail bin groupware bracket 32 The aperture 329 of upper setting and optoelectronic switch cooperation, thus identify two different closure height of end effector 3, in this way, The tissue of different-thickness can be only sutured with a kind of surgical operating instrument, applicability is wide.

Incorporated by reference to Figure 15 and Figure 16, it coincide shown in stapler shown in another embodiment of the utility model and embodiment one Device structure is roughly the same, but by following three important difference point: one, closure transmission component, percussion transmission component being formed all Change the mold block, two, the structure of end effector, three, the structure of locking nut and center bearing bracket 2 '.It is provided with and cuts in the shell 1 ' Case 20 ' is changed, the closure transmission component, percussion transmission component and the setting of changer lever 12 ' are described to cut in the a-b box 20 ' The connection opening (not labeled) for offering and being stretched out for the changer lever 12 ' to connect with switching push button 11 ' is changed on case 20 '.Pass through Transmission component, percussion transmission component setting will be closed in a-b box, so that modular construction is realized, convenient for assembling.The end Portion's actuator includes nail-anvil assembly, mobile to complete the nail bin that the end effector closes or opens relative to the nail-anvil assembly Assembly support 32 ', the driving nail bin groupware bracket 32 ' move so that the end effector closure towards nail-anvil assembly direction Or closure driving assembly and the setting cutting assembly on the nail-anvil assembly opened.The structure of the cutting assembly, nail-anvil assembly It is identical as the structure in embodiment one, it repeats no more, the nail anvil bracket 311 ' includes the lock that projection is formed on side wall 3112 ' Tight block 318 '.The nail bin groupware bracket 32 ' includes top plate portion 321 ' and extends downwardly from the 321 ' left and right sides of top plate portion The adjutage 322 ' of formation, the top plate portion 321 ' and adjutage 322 ' surround the nail bin chamber (figure to install nail bin groupware 100 Show), one end of the top plate portion 321 ' offers axis hole 327 '.The closure driving assembly includes being arranged in the center branch Closure axis 34 ' on frame 2 ' and the closure nut 35 ' being threadedly coupled with the closure axis 34 '.The closure driving assembly is equally logical Taper driving gear set is crossed to connect with closure transmission component.The closure nut 35 ' includes block portion 351 ', from the block portion 351 ' have extended to form forward lock sheet 352 ', and the locking with the latch segment 318 ' cooperation is formed on the lock sheet 352 ' Hole 353 ', in the present embodiment, the lock sheet 352 ' are that simultaneously downward bending extends to form forward from the block portion 351 ', should Locking hole 353 ' is the notch extended to form by 352 ' bending of lock sheet.It is formed through on the block portion 351 ' and is closed with described The threaded hole 354 ' that sympodium 34 ' is threadedly engaged, the closure axis 34 ' pass through the threaded hole 354 ' and are inserted into nail bin groupware branch In the axis hole 327 ' of frame 32 ', nail bin groupware bracket 32 ' and closure axis 34 ' are fixed by bearing 52 '.The block portion 351 ' is set It sets in the accommodating cavity 21 ', the closing direction being provided between the accommodating cavity 21 ' and block portion 351 ' along end effector prolongs The arc with guide post cooperation is provided on the guide post (not shown) stretched, the accommodating cavity 21 ' and block portion 351 ' Pilot hole 22 ', in the present embodiment, corner of the guide post setting in accommodating cavity 21 '.By by nail bin groupware bracket 32 ' Setting is arranged in accommodating cavity 21 ' on closure nut 35 ', and by closure nut 35 ', passes through block portion 351 ', accommodating cavity 21 ' The arcuate guide hole with guide post cooperation is provided in interior setting guide post and accommodating cavity 21 ' and block portion 351 ' 22 ', it is swung along the longitudinal direction so as to limit nail bin groupware bracket, compared with prior art, the shifting of nail bin groupware bracket 32 ' It moves more stable, improves the match result of end effector.

Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited In contradiction, all should be considered as described in this specification.

Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed, But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.

Claims (10)

1. a kind of surgical operating instrument forms nail bin groupware bracket and the drive of jaw including nail-anvil assembly, with the nail-anvil assembly Move the closure driving assembly that the jaw is opened or is closed, which is characterized in that the surgical operating instrument further includes center branch Frame, the closure driving assembly include the closure axis being arranged on the center bearing bracket and are threaded on the closure axis It is closed nut, the closure nut includes block portion, and the nail bin groupware bracket is fixed on the closure nut, the center Accommodating cavity is formed in bracket, the block portion is arranged in the accommodating cavity, is provided with edge between the accommodating cavity and block portion It is provided on the guide post that the longitudinally of closed end axis extends, the accommodating cavity and block portion and cooperates with the guide post Arcuate guide hole.

2. surgical operating instrument as described in claim 1, which is characterized in that the corner of accommodating cavity is arranged in the guide post.

3. surgical operating instrument as claimed in claim 2, which is characterized in that projection is formed with locking on the nail-anvil assembly Block, the closure nut further include having extended to form lock sheet forward from the block portion, are formed on the lock sheet and institute State the locking hole of latch segment cooperation.

4. surgical operating instrument as claimed in claim 3, which is characterized in that the lock sheet be from the block portion forward simultaneously Downward bending extends to form, and the locking hole is the notch extended to form by lock sheet bending.

5. a kind of surgical operating instrument forms nail bin groupware bracket and the drive of jaw including nail-anvil assembly, with the nail-anvil assembly Move the closure driving assembly that the jaw is opened or is closed, which is characterized in that the nail bin groupware bracket includes to install The interconnecting piece of the frame body portion of nail bin groupware and the interconnecting piece extended rearwardly to form from the frame body portion, the nail bin groupware bracket is living Dynamic to be mounted on the closure driving assembly, the closure driving assembly includes closure axis, the connection of the nail bin groupware bracket Portion is movably arranged on the closure axis, and the nail bin groupware bracket is closed on axis described along the lengthwise side of the closure axis To movement；The surgical operating instrument further includes center bearing bracket, and accommodating cavity is formed in the center bearing bracket, and the interconnecting piece holds It sets in the accommodating cavity, guide post is provided between the interconnecting piece and accommodating cavity, and be arranged on the accommodating cavity and interconnecting piece There is the arcuate guide hole with guide post cooperation.

6. surgical operating instrument as claimed in claim 5, which is characterized in that in the nail-anvil assembly to the nail bin groupware branch The frame body portion of frame applies thrust, the interconnecting piece of the nail bin groupware bracket can the relatively described closure driving assembly along first direction pendulum Dynamic, the first direction is the direction that the nail anvil bracket acts on the power on the nail bin groupware bracket.

7. surgical operating instrument as claimed in claim 6, which is characterized in that the closure driving assembly further includes being arranged in institute The closure nut on closure axis is stated, the closure nut is connect with the closure axle thread, and the interconnecting piece has mounting hole, institute It states closure nut to be inserted into the mounting hole, is clearance fit between closure nut and the mounting hole.

8. surgical operating instrument as claimed in claim 5, which is characterized in that the frame body portion has far from interconnecting piece setting Front end, the front end are arranged to lower than the interconnecting piece.

9. surgical operating instrument as claimed in claim 1 or 5, which is characterized in that it is provided with trigger shaft in the nail-anvil assembly, The cutting assembly for being threadedly coupled and being moved on the trigger shaft with the trigger shaft is provided on the trigger shaft, it is described outer Section's surgical instrument further includes trigger switch and the triggering application member for triggering the trigger switch, the side setting of the trigger switch There is fixed plate, the first elastic component is provided in the fixed plate, the triggering application member is arranged in the one of first elastic component Side；The cutting assembly supports triggering application member, and when the cutting assembly percussion resets, the cutting assembly pushes the triggering Application member is mobile towards trigger switch and triggers trigger switch；When cutting assembly percussion, first elastic component drives institute Triggering application member is stated far from trigger switch and close to cutting assembly.

10. surgical operating instrument as claimed in claim 9, which is characterized in that slipping block is arranged on the trigger shaft, it is described Slipping block and trigger shaft clearance fit, the cutting assembly support the triggering application member, the sliding by the slipping block The side of block is provided with the second elastic component for driving the slipping block mobile towards the direction of cutting assembly.