CN203195730U

CN203195730U - Surgical hemorrhoid stapler

Info

Publication number: CN203195730U
Application number: CN 201320161387
Authority: CN
Inventors: 郑息清
Original assignee: ZHEJIANG GEYI MEDICAL INSTRUMENT CO Ltd
Current assignee: ZHEJIANG GEYI MEDICAL INSTRUMENT CO Ltd
Priority date: 2013-04-03
Filing date: 2013-04-03
Publication date: 2013-09-18
Anticipated expiration: 2023-04-03

Abstract

The utility model relates to a surgical hemorrhoid stapler, which is mainly applicable to human body hemorrhoid operations. The surgical hemorrhoid stapler comprises a staple resisting seat, a ring knife, a staple chamber sleeve, a staple pushing sheet, a fixed handle, a safety block, a movable handle and a staple chamber. The surgical hemorrhoid stapler is characterized in that symmetrical locating bars are fixedly arranged on the connecting shaft of the staple resisting seat and are symmetrically distributed on the upper surface and the lower surface of the connecting shaft; symmetrical locating grooves are arranged on the staple chamber sleeve, the locating grooves are arranged on the reinforcing bars corresponding to the locating grooves, and the locating grooves are communicated with the center of the staple chamber sleeve; and the symmetrical locating bars on the staple resisting seat are matched with the symmetrical locating grooves on the staple chamber sleeve. The surgical hemorrhoid stapler has the advantages that the structural design is more reasonable, the osculating component of the surgical hemorrhoid stapler and the staple resisting seat are more concentric and the stability in use is higher; and since the symmetrical locating grooves of the staple chamber sleeve are designed on the symmetrical reinforcing bars and the symmetrical locating bars are designed on the connecting shaft of the staple resisting seat, the concentricity and the stability are guaranteed, titanium staples are formed more perfectly and the forming height is more consistent.

Description

Operation hemorrhoid anastomat

Technical field

This utility model relates to a kind of anastomat, a kind of operation hemorrhoid anastomat particularly, and it mainly is applicable in the piles operation, belongs to medical apparatus and instruments.

Background technology

In the prior art, although the operation of hemorrhoid can be by the disposable mechanical anastomosis of finishing the pathological tissues joint-cutting of anastomat.But find by inquiry, the past inclination on one side of nail supporting base or nail supporting base and anastomosis cut component decentraction during the percussion of hemorrhoid anastomat, asymmetric inconsistent with forming height thereby generation titanium nail is shaped, this might influence match result, and can cause anastomotic stoma hemorrhage.

Find by technical Analysis, the inner core of existing hemorrhoid anastomat nail bin cover all has only plane of orientation and a locating slot at 45 with reinforcement, nail bin cover inner core is because the unsymmetry of structure like this, can produce internal strain in the course of processing, cause inner core center instability, again since locating slot not on reinforcement, so insufficient strength, might be owing to self resistance to deformation insufficient strength when anastomat percussion nail is shaped, the hemorrhoid anastomat is because center instability and insufficient strength, when percussion, support nail and tilt toward one side, be shaped asymmetric inconsistent with forming height thereby produce the titanium nail.

Find by technical Analysis, the nail supporting base coupling spindle adds a plane of orientation and positioning bar at pole, because bar has interior gravitation, if surface of fracture is asymmetric, bar will be out of shape, so just might cause nail supporting base and anastomosis cut component decentraction, be shaped asymmetric inconsistent with forming height thereby produce the titanium nail.

China Patent No. 2004200240651 discloses the utility model patent that a kind of name is called " a kind of improved anastomosis cut component ", and its needle chamber cover is that the nail bin cover is provided with 3-8 hook wire casing, shortens operating time by increasing the hook wire casing.But this needle chamber cover is that the structural design of nail bin cover is still reasonable inadequately, and it does not overcome above-mentioned defective of the prior art.

China Patent No. 2009201622266 discloses the utility model patent that a kind of name is called " surgical operation anastomosis ring applicator ", its purpose is that nail bin overlaps and adapter sleeve is axially accurately locating of sleeve pipe and be convenient to assembling in order to solve, and the mortise that puts by nail bin cooperates to reach above utility model purpose with draw pin on the adapter sleeve, although this technical scheme has partly solved the axial location problem of nail bin cover, but because its nail supporting base and nail bin cover and structural design still reasonable inadequately, it does not still overcome above-mentioned defective of the prior art.

China Patent No. 012377597 discloses the utility model patent that a kind of name is called " a kind of flexible digestive tract stapler ", but its center-pole is designed to the form of bending, with convenient operation, reduces damage; The lever parts are hose connection with the employing of nail base member, thus the crooked radian of scalable flexible pipe.But the center-pole of this anastomat all connects with flexible pipe, stability and the rigidity of anastomat have been reduced, scale value and the actual variable thickness of coincideing are caused, thereby cause coincideing not exclusively, cause anastomotic stoma hemorrhage, also might cause excessively compressing to coincide and organize, cause organizing blood supply insufficiency, cause necrosis; Simultaneously, it does not overcome above-mentioned defective of the prior art yet.

The utility model content

The purpose of this utility model is to overcome above shortcomings in the prior art, and provide that a kind of structural design is more reasonable, the better operation hemorrhoid anastomat of concentricity and stability.

The technical scheme in the invention for solving the above technical problem is: this operation comprises flap with the hemorrhoid anastomat, nail supporting base, over cap, endless knife, the nail bin cover, pushing slice of nail, sleeve pipe, screw mandrel, fixed handle, safety block, flexible handle, straight push rod and nail bin, nail supporting base, endless knife, the nail bin cover, pushing slice of nail is on same axis, endless knife, the nail bin cover, pushing slice of nail and nail bin are formed anastomosis cut component, the nail bin cover is fixed with nail bin, nail supporting base cooperates with the nail bin cover, it is characterized in that: at the coupling spindle of described nail supporting base the positioning bar of one symmetry is arranged fixedly, this symmetrical positioning bar is symmetrically distributed on the upper and lower surfaces of coupling spindle; Put the locating slot that has a symmetry at described nail bin, this locating slot is opened on the reinforcement corresponding with it, and locating slot communicates with the center of nail bin cover; The positioning bar of symmetry matches with the locating slot that nail bin puts symmetry on the described nail supporting base.Make that thus concentricity of the present utility model and stability are better, make the shaping of titanium nail more intact, forming height is more consistent.

This utility model is evenly equipped with four kidney slots of symmetry in twos at the outer surface of described nail bin cover, and wherein two kidney slots are distributed on the horizontal center line of nail bin cover symmetrically.

This utility model compared with prior art, have the following advantages and effect: structural design is more reasonable, anastomosis cut component of the present utility model and nail supporting base are more concentric, use more stable; The symmetrical locating slot design of nail bin cover is on symmetrical reinforcement, and design has symmetrical positioning bar on the coupling spindle of nail supporting base, has guaranteed concentricity and stability, and it is more intact that the titanium nail is shaped, and forming height is more consistent.

Description of drawings

Fig. 1 is overall structure sketch map of the present utility model.

Fig. 2 is the structural representation of nail bin cover among Fig. 1.

Fig. 3 is the structural representation right view of nail bin cover among Fig. 2.

Fig. 4 is the structural representation of nail supporting base among Fig. 1.

Fig. 5 is the structural representation right view of nail supporting base among Fig. 4.

Fig. 6 is the structure enlarged diagram of Fig. 1 front portion.

Fig. 7 is the structure enlarged diagram of Fig. 1 postmedian.

Among the figure: 1 nail supporting base lid, 2 nail supporting bases, 3 over caps, 4 endless knife, 5 nail bin covers, 6 pushing slice of nail, 7 sleeve pipes, 8 screw mandrels, 9 back clamp rings, 10 big handles, 11 pointers, 12 regulating blocks, 13 limited screws, 14 big springs, 15 adjusting nuts, 16 pointer drag hooks, 17 safety blocks, 18 flexible handles, 19 back-moving springs, 20 straight push rods, 30 nail bins.

The specific embodiment

The utility model is described in further detail below in conjunction with accompanying drawing and by embodiment.

Referring to Fig. 1-Fig. 7, present embodiment mainly is made up of nail supporting base lid 1, nail supporting base 2, over cap 3, endless knife 4, nail bin cover 5, pushing slice of nail 6, sleeve pipe 7, screw mandrel 8, back clamp ring 9, fixed handle 10, safety block 17, flexible handle 18, straight push rod 20 and nail bin 30; Nail supporting base lid 1 wherein, nail supporting base 2, over cap 3, endless knife 4, nail bin cover 5, pushing slice of nail 6, sleeve pipe 7, screw mandrel 8 and back clamp ring 9 are on same axis, and endless knife 4, nail bin cover 5, pushing slice of nail 6 and nail bin 30 are formed anastomosis cut component.

In the present embodiment, nail supporting base lid 1 is fixed on the nail supporting base 2, and nail supporting base 2 and screw mandrel 8 are riveted together by pin, and over cap 3 covers on nail bin 30, and nail bin 30 welds together with nail bin cover 5, and endless knife 4 and pushing slice of nail 6 are injection-moulded in together; Sleeve pipe 7 hooks together with nail bin cover 5 and is connected, and back clamp ring 9 tightly is enclosed within on the fixed handle 10, and pointer 11 and safety block 17 usefulness pins are fixed on the fixed handle 10, and limited screw 13 screws on screw mandrel 8 and then regulating block 12 compressed; Adjusting nut 15 screws on screw mandrel 8, and big spring 14 and pointer drag hook 16 are linked together; Flexible handle 18 is fixed on the fixed handle 10 and with straight push rod 20 and back-moving spring 19 by pin and connects together, and straight push rod 20 links together with pushing slice of nail 6.

In the present embodiment, it is first positioning bar 22 and second positioning bar 23 that the positioning bar of a symmetry is fixedly arranged on the coupling spindle 21 of nail supporting base 2, and this symmetrical positioning bar is symmetrically distributed on the upper and lower surfaces of coupling spindle 21; The locating slot that has a symmetry at nail bin cover 5 is first locating slot 51 and second locating slot 52, this first locating slot 51 and second locating slot 52 are opened at the reinforcement corresponding with it namely on first reinforcement 53 and second reinforcement 54, and first locating slot 51 and second locating slot 52 and nail bin overlap 5 center and communicate; First positioning bar 22 on the nail supporting base 2 and second positioning bar 23 match with first locating slot 51 and second locating slot 52 that nail bin overlaps on 5; Be evenly equipped with four kidney slots 55 of symmetry in twos on the outer surface of nail bin cover 5, wherein two kidney slots are that left kidney slot 56 and right kidney slot 57 are distributed on the horizontal center line of nail bin cover 5 symmetrically.

When turn adjusting nut 15, drive nail supporting base 2 by screw mandrel 8, regulating block 12 and limited screw 13 move forwards or backwards together, at this moment, pointer drag hook 16 is driven mobile forward or backward together by big spring 14, pointer drag hook 16 will drive pointer 11 and turns to green together and can pull the trigger the zone during to certain position, this moment the flexible handle 18 of holding with a firm grip, it is mobile forward or backward that this flexible handle 18 drives straight push rod 20 when rotating, straight push rod 20 drives endless knife 4 and pushing slice of nail 6 is mobile together, and with endless knife 4 and pushing slice of nail 6 release nail bins 30, work with nail supporting base 2 one simultaneously, thereby finish cutting and identical.

By foregoing description, those skilled in the art can implement.

Allly conceive equivalence or the simple change that described structure, feature and principle are done according to this utility model, be included in the protection domain of this utility model patent.

Claims

1. operation hemorrhoid anastomat; comprise flap, nail supporting base, over cap, endless knife, nail bin cover, pushing slice of nail, sleeve pipe, screw mandrel, fixed handle, safety block, flexible handle, straight push rod and nail bin; nail supporting base, endless knife, nail bin cover, pushing slice of nail are on same axis; endless knife, nail bin cover, pushing slice of nail and nail bin are formed anastomosis cut component; the nail bin cover is fixed with nail bin; nail supporting base cooperates with the nail bin cover, it is characterized in that:

At the coupling spindle of described nail supporting base the positioning bar of one symmetry is arranged fixedly, this symmetrical positioning bar is symmetrically distributed on the upper and lower surfaces of coupling spindle;

Put the locating slot that has a symmetry at described nail bin, this locating slot is opened on the reinforcement corresponding with it, and locating slot communicates with the center of nail bin cover;

The positioning bar of symmetry matches with the locating slot that nail bin puts symmetry on the described nail supporting base.

2. operation according to claim 1 hemorrhoid anastomat is characterized in that: the outer surface at described nail bin cover is evenly equipped with four kidney slots of symmetry in twos, and wherein two kidney slots are distributed on the horizontal center line of nail bin cover symmetrically.