CN101856251A - Disposable linear anastomat - Google Patents

Disposable linear anastomat Download PDF

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Publication number
CN101856251A
CN101856251A CN 201010193606 CN201010193606A CN101856251A CN 101856251 A CN101856251 A CN 101856251A CN 201010193606 CN201010193606 CN 201010193606 CN 201010193606 A CN201010193606 A CN 201010193606A CN 101856251 A CN101856251 A CN 101856251A
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CN
China
Prior art keywords
assembly
supporting base
nail
nail supporting
percussion
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Granted
Application number
CN 201010193606
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Chinese (zh)
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CN101856251B (en
Inventor
王海龙
江世华
吴剑雄
郭晓东
陈格
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CHANGZHOU VICTOR MEDICAL INSTRUMENTS Co Ltd
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CHANGZHOU VICTOR MEDICAL INSTRUMENTS Co Ltd
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Priority to CN2010101936063A priority Critical patent/CN101856251B/en
Publication of CN101856251A publication Critical patent/CN101856251A/en
Application granted granted Critical
Publication of CN101856251B publication Critical patent/CN101856251B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The invention provides a disposable linear anastomat, which relates to a surgical operation instrument particularly suitable for sealing stumps and cuts in alimentary tract gastrointestinal operations. The disposable linear anastomat comprises a fixed handle, a movable handle component, a firing safety mechanism, a firing indication device, a reset press button component, a nail butting seat upper splint, a nail butting seat lower splint component, a firing transmission device, a component splint assembly, a nail compartment component and a nail butting seat assembly, wherein the component splint assembly is arranged between the nail butting seat upper splint and the nail butting seat lower splint component, the nail butting seat lower splint component consists of the nail butting seat lower splint, a reset spring, a reset spring pin and a fixed block, the component splint assembly comprises a component upper splint, a component lower splint, a component seat, a nail pushing plate and an indicating block push plate, the firing safety mechanism comprises a positioning rod, a fixed positioning rod slide block, a safety slide plate and a safety block, the firing transmission device comprises a first firing connection bock, a second firing connection block, a firing push plate and a firing connection block reset spring, and the firing indication device is provided with an indication block.

Description

Disposable linear anastomat
Technical field
What disposable linear anastomat of the present invention related to is a kind of surgical operating instrument, is specially adapted to sealing stump and otch in the digestive tract gastrointestinal procedures.
Background technology
Disposable linear anastomat lacks percussion insurance institution at present, in use cause the mistake percussion easily, linear anastomat is not provided with firing indicator in addition, whether can't observe anastomosis staple in using pulls the trigger, the transmission structures of linear anastomat percussion at present more complicated, use the convenient inadequately mistake percussion that causes easily, influence success rate of operation, and assembling is inconvenient.
Summary of the invention
The object of the invention provides a kind of disposable linear anastomat at above-mentioned weak point, be provided with percussion insurance institution, firing indicator, can obviously observe by firing indicator in the operation process and whether pull the trigger, can avoid the mistake percussion owing to be provided with percussion insurance institution, owing to be provided with percussion contiguous block drive mechanism, transmission anastomat nail pushing plate, indicator collet, simple in structure, easy to use.
Disposable linear anastomat takes following technical scheme to realize: disposable linear anastomat comprises fixed handle, flexible handle assembly, percussion insurance institution, firing indicator, SR assembly, nail supporting base train wheel bridge, nail supporting base lower plate assembly, percussion actuating device, assembly clamping plate assembly, nail bin groupware and nail supporting base assembly.Assembly clamping plate assembly is assemblied between nail supporting base train wheel bridge and the nail supporting base lower plate assembly.
Nail supporting base lower plate assembly is made up of nail supporting base lower plate, back-moving spring, back-moving spring pin, fixed block, fixed block is installed in nail supporting base lower plate rear end, the clamping plate steady pin is housed on the fixed block, described clamping plate steady pin is nail supporting base train wheel bridge and nail supporting base lower plate fixedly, the back-moving spring pin is equipped with at nail supporting base lower plate rear portion, on the back-moving spring pin back-moving spring is housed, nail supporting base lower plate bottom is provided with the indicator collet positioning boss.Be provided with the SR chute at the nail supporting base lower plate.
Back-moving spring is connected with indicator board rear end in the assembly clamping plate assembly, is used for nail supporting base lower plate assembly and resets.
The nail supporting base assembly is installed between nail supporting base train wheel bridge and the nail supporting base lower plate front end, and nail bin groupware is contained on the assembly seat of assembly clamping plate assembly front end.
Assembly clamping plate assembly comprises assembly train wheel bridge, assembly lower plate, assembly seat, nail pushing plate and indicator collet push pedal, assembly seat is provided with nail pushing plate mounting groove, locating rod locating hole, nail pushing plate front end dress is inserted in the nail pushing plate mounting groove, and the nail pushing plate rear end is connected with the indicator collet push pedal.Described nail pushing plate rear end is connected by dovetail groove with the indicator collet push pedal.Described indicator collet push pedal rear portion is provided with indicator collet reset boss, indicator collet transmission boss.Described assembly train wheel bridge and assembly lower plate are provided with the locating rod positioning convex.Described assembly train wheel bridge and assembly lower plate are provided with assembly clamping plate assembly slip locating slot.Assembly seat links to each other with assembly train wheel bridge, assembly lower plate by connecting pin.
Percussion insurance institution comprises locating rod, stationary positioned bar slide block, insurance sliding panel and safety block, in the stationary positioned bar slide block sliding tray is set, the locating rod dress is inserted in the stationary positioned bar slide block groove, insurance sliding panel one end is installed in the draw-in groove of stationary positioned bar slide block bottom, the insurance sliding panel other end is equipped with safety block, and stationary positioned bar slide block is sleeved on nail supporting base train wheel bridge and nail supporting base lower plate middle part by sliding tray.
The percussion actuating device comprises percussion contiguous block one, percussion contiguous block two, percussion push pedal and percussion contiguous block back-moving spring, one end of percussion contiguous block one is movably connected in assembly train wheel bridge and assembly lower plate rear end by contiguous block pin one, percussion contiguous block one other end flexibly connects by the end of contiguous block pin three with percussion contiguous block two, percussion contiguous block back-moving spring is housed on the contiguous block pin three, and the other end of percussion contiguous block two flexibly connects by contiguous block pin two and nail supporting base train wheel bridge, nail supporting base lower plate rear portion.Described percussion push pedal is contained in the flexible handle.
Fixed handle is installed on nail supporting base train wheel bridge and nail supporting base lower plate rear outside, and the fixed handle front end is provided with and shows fenestra.The described fenestra that shows is provided with 2～3.
Firing indicator has indicator collet, and indicator collet is fixed in the fixed handle, and the indicator collet both sides are provided with groove, and home block is housed on the groove, and indicator collet is provided with to be installed sliding tray and promote boss.Be provided with reset button positioning hole in fixed handle one side, be provided with the indicator collet positive stop lug boss, be provided with the finger piece in the fixed handle bottom locating slot is installed, be used to install indicator collet in fixed handle one end inboard.Both sides are provided with the safety block sliding tray in the fixed handle front end, are used for the installation insurance piece, and the safety block sliding tray is provided with 2～3.Be provided with insurance sliding panel sliding tray at the fixed handle leading section.
The SR assembly comprises that SR plate, SR, SR plate one end are by contiguous block pin two and two flexible connections of percussion contiguous block, the SR other end is provided with the SR installation base, and SR is installed on the SR plate by the SR chute internal fixation that SR installation base dress is inserted in the nail supporting base lower plate.
The flexible handle assembly has flexible handle, the flexible handle cover is equipped with in the flexible handle outside, the percussion push pedal is equipped with in the flexible handle inboard, percussion contiguous block back-moving spring, percussion push pedal pin and flexible handle pin are housed in the percussion push pedal, and the flexible handle front end is provided with triangular hill and is connected with the flexible handle back-moving spring.
Nail bin groupware comprises nail bin, push jack and nail groove, and the nail bin rear side is provided with the push jack groove, in the push jack dress push jack groove, is provided with some nail grooves in the nail bin front side, in the nail groove anastomosis staple is housed.
The nail supporting base assembly comprises nail supporting base, nail supporting base seat, safety block, flexure strip and insurance cover plate, and nail supporting base is provided with nail supporting base mounting groove and locating rod jack, and the nail supporting base seat is provided with the locating rod hole.Nail supporting base is installed on the nail supporting base seat by the nail supporting base mounting groove, and safety block is installed in the partial groove of nail supporting base seat, and flexure strip is equipped with in the safety block side, the insurance cover plate is equipped with in the safety block outside.
Operation principle:
At first, the stationary positioned bar slide block that promotes percussion insurance institution forward drives locating rod, locating rod is adorned in the locating rod jack that is inserted on the nail supporting base, again safety block is opened, push flexible handle, the flexible handle lower end presses percussion contiguous block one, percussion contiguous block two, percussion contiguous block one or two, drive assembly train wheel bridge assembly, in nail supporting base train wheel bridge and nail supporting base lower plate, slide mobile, the tissue that coincide so just can be adjusted to best seam between nail bin groupware and nail supporting base assembly, the position coincide, to organize clamping, unclamp flexible handle, by depressing flexible handle, the indication push pedal is withstood in the percussion push pedal in the flexible handle once more, and the indication push pedal promotes the percussion push pedal, the percussion push pedal promotes pushing slice of nail the anastomosis staple penetrate tissue is formed the B font, to organize seam, kiss, drive indicator collet simultaneously, indication seam when seeing indicator collet to the form hole, the operation of kiss tissue is finished.
Promote SR, eject percussion push pedal and percussion contiguous block one, percussion contiguous block two, percussion contiguous block one, percussion contiguous block two are automatically reset, drive assembly clamping plate assembly and reset to initial condition, nail supporting base and nail bin are separated into initial condition, this moment stationary positioned bar slide block is slided to that the back drives locating rod, insurance resets, with apparatus from seam, the tissue taking-up coincide.
Disposable linear anastomat has following distinguishing feature: disposable linear anastomat is reasonable in design, compact conformation, owing to be provided with percussion insurance institution, firing indicator, whether can obviously observe by firing indicator in the operation process and pull the trigger, percussion insurance institution, owing to be provided with percussion contiguous block drive mechanism if can avoid the mistake percussion, transmission anastomat nail pushing plate, indicator collet, reliable transmission, simple in structure, assembling, easy to use.Adopt disposable linear anastomat can shorten operating time, improve operation efficient, reduce patient's misery, be specially adapted to sealing stump and otch in the digestive tract gastrointestinal procedures.
Description of drawings
The invention will be further described below with reference to attached:
Fig. 1 is the disposable linear anastomat sketch map.
Fig. 2 is the disposable linear anastomat structural representation.
Fig. 3 is the assembly clamping plate assembly sketch map of disposable linear anastomat.
Fig. 4 is the percussion insurance institution sketch map of disposable linear anastomat.
Fig. 5 is the percussion actuating device sketch map of disposable linear anastomat.
Fig. 6 is the flexible handle assembly sketch map of disposable linear anastomat.
Fig. 7 is the firing indicator sketch map of disposable linear anastomat.
Fig. 8 is the nail bin groupware sketch map of disposable linear anastomat.
Fig. 9 is the nail supporting base assembly sketch map of disposable linear anastomat.
Figure 10 is the SR assembly sketch map of disposable linear anastomat.
The specific embodiment
With reference to accompanying drawing 1～10, disposable linear anastomat comprises fixed handle 10, flexible handle assembly 9, percussion insurance institution 5, firing indicator 8, SR assembly 7, nail supporting base train wheel bridge 1, nail supporting base lower plate assembly 6, percussion actuating device 11, assembly clamping plate assembly 4, nail bin groupware 3 and nail supporting base assembly 2.Assembly clamping plate assembly 4 is assemblied between nail supporting base train wheel bridge 1 and the nail supporting base lower plate assembly 6.
Nail supporting base lower plate assembly 6 is made up of nail supporting base lower plate 6-1, back-moving spring 6-2, back-moving spring pin 6-3, fixed block 6-4, fixed block 6-4 is installed in nail supporting base lower plate 6-1 rear end, clamping plate steady pin 6-5 is housed on the fixed block 6-4, described clamping plate steady pin 6-5 is nail supporting base train wheel bridge 1 and nail supporting base lower plate 6-1 fixedly, nail supporting base lower plate 6-1 is equipped with back-moving spring pin 6-2 in the rear portion, on the back-moving spring pin 6-3 back-moving spring 6-2 is housed, nail supporting base is provided with indicator collet positioning boss 6-6 in folder 6-1 plate bottom down.Be provided with SR chute 6-7 at nail supporting base lower plate 6-1.
Back-moving spring 6-2 is connected with indicator board rear end in the assembly clamping plate assembly 4, is used for nail supporting base lower plate assembly and resets.
Nail supporting base assembly 2 is installed between nail supporting base train wheel bridge 1 and the nail supporting base lower plate 6-1 front end, and nail bin groupware 3 is contained on the assembly seat 4-2 of assembly clamping plate assembly 4 front ends.
Assembly clamping plate assembly 4 comprises assembly train wheel bridge 4-3, assembly lower plate 4-5, assembly seat 4-2, nail pushing plate 4-4 and indicator collet push pedal 4-6, assembly seat 4-2 is provided with nail pushing plate mounting groove 4-13, locating rod locating hole 4-7, nail pushing plate 4-4 front end dress is inserted in the nail pushing plate mounting groove 4-13, and nail pushing plate 4-4 rear end is connected with indicator collet push pedal 4-6.Described nail pushing plate 4-4 rear end can be connected by dovetail groove 4-8 with indicator collet push pedal 4-6.Described indicator collet push pedal 4-13 rear portion is provided with indicator collet reset boss 4-11, indicator collet transmission boss 4-12.Described assembly train wheel bridge 4-3 and assembly lower plate 4-5 are provided with locating rod positioning convex 4-9.Described assembly train wheel bridge 4-3 and assembly lower plate 4-5 are provided with assembly clamping plate assembly slip locating slot 4-10.Assembly seat 4-2 links to each other with assembly train wheel bridge 4-3, assembly lower plate 4-5 by connecting pin 4-1.
Percussion insurance institution 5 comprises locating rod 5-1, stationary positioned bar slide block 5-2, insurance sliding panel 5-3 and safety block 5-4, among the stationary positioned bar slide block 5-2 sliding tray 5-5 is set, locating rod 5-1 dress is inserted in the stationary positioned bar slide block groove 5-6, insurance sliding panel 5-3 one end is installed in the draw-in groove 5-7 of stationary positioned bar slide block bottom, the insurance sliding panel 5-3 other end is equipped with safety block 5-4, and stationary positioned bar slide block 5-2 is sleeved on nail supporting base train wheel bridge 1 and nail supporting base lower plate 6-1 middle part by sliding tray 5-5.
Percussion actuating device 11 comprises percussion contiguous block one 11-2, percussion contiguous block two 11-4, percussion push pedal 11-6 and percussion contiguous block back-moving spring 11-7, the end of percussion contiguous block one 11-2 is movably connected in assembly train wheel bridge 1 and assembly lower plate 6-1 rear end by contiguous block pin one 11-1, the percussion contiguous block one 11-2 other end flexibly connects with the end of percussion contiguous block two 11-4 by contiguous block pin three 11-3, percussion contiguous block back-moving spring 11-7 is housed on contiguous block pin three 11-3, and the other end of percussion contiguous block two 11-4 is by contiguous block pin two 11-5 and nail supporting base train wheel bridge 1, nail supporting base lower plate 6-1 rear portion flexibly connects.Described percussion push pedal 11-6 is contained in the flexible handle 9.
Fixed handle 10 is installed on nail supporting base train wheel bridge 1 and nail supporting base lower plate 6-1 rear outside, and fixed handle 10 front ends are provided with and show fenestra 10-1.The described fenestra that shows is provided with 2～3.
Firing indicator 8 has indicator collet 8-1, and indicator collet 8-1 is fixed in the fixed handle 10, and indicator collet 8-1 both sides are provided with groove 8-9, on the groove 8-9 home block are housed, and indicator collet 8-1 is provided with and sliding tray 8-2 is installed and promotes boss 8-3.Be provided with reset button positioning hole 8-8 in fixed handle 10 1 sides, be provided with indicator collet positive stop lug boss 8-4, be provided with the finger piece in fixed handle 10 bottoms locating slot 8-5 is installed, be used to install indicator collet 8-1 in fixed handle one end inboard.Both sides are provided with safety block sliding tray 8-6 in fixed handle 10 front ends, are used for installation insurance piece 5-4, and safety block sliding tray 8-6 is provided with 2～3.Be provided with insurance sliding panel sliding tray 8-7 at fixed handle 10 leading sections.
SR assembly 7 comprises that SR plate 7-1, SR 7-2, SR plate 7-1 one end flexibly connect by contiguous block pin two 11-5 and percussion contiguous block two 11-4, the SR 7-2 other end is provided with SR installation base 7-3, and SR 7-2 is installed on the SR plate 7-1 by the SR chute 6-7 internal fixation that SR installation base 7-3 dress is inserted in nail supporting base lower plate 6-1.
Flexible handle assembly 9 has flexible handle 9-1, flexible handle 9-1 is equipped with flexible handle cover 9-2 in the outside, flexible handle 9-1 is equipped with the inboard percussion push pedal 11-6, percussion contiguous block back-moving spring 11-7, percussion push pedal pin 9-3 and flexible handle pin 9-4 are housed on the percussion push pedal 11-6, and flexible handle 9 front ends are provided with triangular hill 9-5 and are connected with the flexible handle back-moving spring.
Nail bin groupware comprises nail bin 3-2, push jack 3-1 and anastomosis staple 3-3, and nail bin 3-2 rear side is provided with the push jack groove, in the push jack 3-1 dress push jack groove, is provided with some nail groove 3-4 in nail bin 3-2 front side, dress anastomosis staple 3-3 in the nail groove 3-4.
Nail supporting base assembly 2 comprises nail supporting base 2-1, nail supporting base seat 2-2, safety block 2-3, flexure strip 2-4 and insurance cover plate 2-5, and nail supporting base 2-1 is provided with nail supporting base mounting groove 2-8 and locating rod jack 2-6, and nail supporting base seat 2-2 is provided with locating rod hole 2-7.Nail supporting base is installed on the nail supporting base seat 2-2 by nail supporting base mounting groove 2-8, and safety block 2-3 is installed in the partial groove 2-9 of nail supporting base seat 2-2, and safety block 2-3 is equipped with the side flexure strip 2-4, the safety block 2-3 outside insurance cover plate 2-5 is housed.

Claims (10)

1. disposable linear anastomat, it is characterized in that comprising fixed handle, flexible handle assembly, percussion insurance institution, firing indicator, SR assembly, nail supporting base train wheel bridge, nail supporting base lower plate assembly, percussion actuating device, assembly clamping plate assembly, nail bin groupware and nail supporting base assembly;
Assembly clamping plate assembly is assemblied between nail supporting base train wheel bridge and the nail supporting base lower plate assembly;
Nail supporting base lower plate assembly is made up of nail supporting base lower plate, back-moving spring, back-moving spring pin, fixed block, fixed block is installed in nail supporting base lower plate rear end, the clamping plate steady pin is housed on the fixed block, the back-moving spring pin is equipped with at nail supporting base lower plate rear portion, on the back-moving spring pin back-moving spring is housed, nail supporting base lower plate bottom is provided with the indicator collet positioning boss, is provided with the SR chute at the nail supporting base lower plate;
Back-moving spring is connected with indicator board rear end in the assembly clamping plate assembly, is used for nail supporting base lower plate assembly and resets;
The nail supporting base assembly is installed between nail supporting base train wheel bridge and the nail supporting base lower plate front end, and nail bin groupware is contained on the assembly seat of assembly clamping plate assembly front end;
Assembly clamping plate assembly comprises assembly train wheel bridge, assembly lower plate, assembly seat, nail pushing plate and indicator collet push pedal, assembly seat is provided with nail pushing plate mounting groove, locating rod locating hole, nail pushing plate front end dress is inserted in the nail pushing plate mounting groove, and the nail pushing plate rear end is connected with the indicator collet push pedal; Assembly seat links to each other with assembly train wheel bridge, assembly lower plate by connecting pin;
Percussion insurance institution comprises locating rod, stationary positioned bar slide block, insurance sliding panel and safety block, in the stationary positioned bar slide block sliding tray is set, the locating rod dress is inserted in the stationary positioned bar slide block groove, insurance sliding panel one end is installed in the draw-in groove of stationary positioned bar slide block bottom, the insurance sliding panel other end is equipped with safety block, and stationary positioned bar slide block is sleeved on nail supporting base train wheel bridge and nail supporting base lower plate middle part by sliding tray;
The percussion actuating device comprises percussion contiguous block one, percussion contiguous block two, percussion push pedal and percussion contiguous block back-moving spring, one end of percussion contiguous block one is movably connected in assembly train wheel bridge and assembly lower plate rear end by contiguous block pin one, percussion contiguous block one other end flexibly connects by the end of contiguous block pin three with percussion contiguous block two, percussion contiguous block back-moving spring is housed on the contiguous block pin three, and the other end of percussion contiguous block two flexibly connects by contiguous block pin two and nail supporting base train wheel bridge, nail supporting base lower plate rear portion; Described percussion push pedal is contained in the flexible handle;
Fixed handle is installed on nail supporting base train wheel bridge and nail supporting base lower plate rear outside, and the fixed handle front end is provided with and shows fenestra;
Firing indicator has indicator collet, and indicator collet is fixed in the fixed handle, and indicator collet is provided with to be installed sliding tray and promote boss; Be provided with reset button positioning hole in fixed handle one side, be provided with the indicator collet positive stop lug boss in fixed handle one end inboard, be provided with the finger piece in the fixed handle bottom locating slot is installed, indicator collet is installed, both sides are provided with the safety block sliding tray in the fixed handle front end, be used for the installation insurance piece, be provided with insurance sliding panel sliding tray at the fixed handle leading section;
The SR assembly comprises SR plate and SR, SR plate one end flexibly connects by contiguous block pin two and percussion contiguous block two, the SR other end is provided with the SR installation base, and SR is installed on the SR plate by the SR chute internal fixation that SR installation base dress is inserted in the nail supporting base lower plate;
The flexible handle assembly has flexible handle, and the flexible handle cover is equipped with in the flexible handle outside, and the percussion push pedal is equipped with in the flexible handle inboard, and the flexible handle front end is provided with triangular hill and is connected with the flexible handle back-moving spring;
Nail bin groupware comprises nail bin, push jack and nail groove, and the nail bin rear side is provided with the push jack groove, in the push jack dress push jack groove, is provided with some nail grooves in the nail bin front side, in the nail groove anastomosis staple is housed;
The nail supporting base assembly comprises nail supporting base, nail supporting base seat, safety block, flexure strip and insurance cover plate, nail supporting base is provided with nail supporting base mounting groove and locating rod jack, the nail supporting base seat is provided with the locating rod hole, nail supporting base is installed on the nail supporting base seat by the nail supporting base mounting groove, safety block is installed in the partial groove of nail supporting base seat, and flexure strip is equipped with in the safety block side, the insurance cover plate is equipped with in the safety block outside.
2. disposable linear anastomat according to claim 1 is characterized in that described clamping plate steady pin fixedly nail supporting base train wheel bridge and nail supporting base lower plate.
3. disposable linear anastomat according to claim 1 is characterized in that described nail pushing plate rear end is connected by dovetail groove with the indicator collet push pedal.
4. disposable linear anastomat according to claim 1 is characterized in that described indicator collet push pedal rear portion is provided with indicator collet reset boss, indicator collet transmission boss.
5. disposable linear anastomat according to claim 1 is characterized in that described assembly train wheel bridge and assembly lower plate are provided with the locating rod positioning convex.
6. disposable linear anastomat according to claim 1 is characterized in that described assembly train wheel bridge and assembly lower plate are provided with assembly clamping plate assembly slip locating slot.
7. disposable linear anastomat according to claim 1 is characterized in that the described fenestra that shows is provided with 2～3.
8. disposable linear anastomat according to claim 1 is characterized in that described indicator collet both sides are provided with groove, are equipped with home block on the groove.
9. disposable linear anastomat according to claim 1 is characterized in that described safety block sliding tray is provided with 2～3.
10. disposable linear anastomat according to claim 1 is characterized in that being equipped with in the described percussion push pedal percussion contiguous block back-moving spring, percussion push pedal pin and flexible handle pin.
CN2010101936063A 2010-06-07 2010-06-07 Disposable linear anastomat Active CN101856251B (en)

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