CN204520822U - A kind of interchangeable cartridge device for surgical stapling device - Google Patents

Abstract

The utility model relates to a kind of interchangeable cartridge device for surgical stapling device, is that a kind of intraluminal tissue applies linear rows, and the surgical stapling device corollary apparatus simultaneously cut and organized between this linear rows stiching instrument, for changing cartridge device.Comprise nail bin groupware, nail supporting base assembly, steering head, clamp ring, brace, supporting seat, positioning and guiding stay pipe, upper connection strap, lower connection strap, change storehouse handle, rotary handle, upper angle band moving-coil, lower angle band moving-coil, drive circle, clamp assembly, stop circle and clamp stage clip; Changing storehouse handle is contained in the outside of rotary handle, change in the middle of the handle of storehouse and be provided with locating dowel, locating dowel is provided with boss, locating dowel is through rotary handle and upper angle band moving-coil, lower angle band moving-coil, and the boss in locating dowel is connected with the storehouse handle boss locating hole that changes of upper connection strap, lower connection strap rear end; Steering head, supporting seat are connected with blade support; Drive circle to be connected with clamp assembly front end, be provided with in clamp assembly and stop circle and clamping stage clip.

Description

A kind of interchangeable cartridge device for surgical stapling device

Technical field

The utility model relates to a kind of interchangeable cartridge device for surgical stapling device is that a kind of intraluminal tissue applies linear rows, and the surgical stapling device corollary apparatus simultaneously cut and organized between this linear rows stiching instrument, for the device of replaceable nail bin.

Background technology

Abdominal cavity formula and or in peep in operation process, operation process is implemented by the minimal incision * of patient or the narrow sleeve pipe that inserts wound.In tradition or open process, doctor directly contacts operative site.Due to the patient trauma that it reduces, shorten patient's convalescent period and significantly reduce overall cost, formula operating-table opposing open operation in abdominal cavity has advantage.In order to coordinate the real needs of inner peeping type and abdominal cavity formula, inner peeping type robotic suturing device has been developed and has made doctor can contact operative site with comparalive ease.Typically, these suture instrumentses comprise be supported on approach robotic suturing device end can be hinged tool component.This tool component can selectively be manipulated to make doctor can manipulate operation device in limited space.These instruments are peeped operation and are provided significant medical benefit in giving.However, still wish to reduce at cost and manufacture in complexity to improve to some extent.

It is larger that current Endo-GIA is open Endo-GIA apparatus volume, surgical patient otch is larger, pessimistic time is recovered to patient long, increase patient suffering, current Endo-GIA osculating head is non-exchange, samely apparatus is not practicable for different osculating changes use first watch, it is non-rotatable that osculating head is fixed on anastomat head, and it is convenient not to use.

The current nail bin for surgical stapling device and nail supporting base connect together, and must change when changing nail bin in operation process together with nail supporting base, increase operating theater instruments cost, increase corrective surgery financial burden.

Utility model content

This utility model object be for above-mentioned weak point provide a kind of for surgical stapling device can more cartridge device, operating theater instruments cost can be reduced, alleviate corrective surgery financial burden.

A kind of interchangeable cartridge device for surgical stapling device takes following technical scheme to realize:

A kind of interchangeable cartridge device for surgical stapling device comprises nail bin groupware, nail supporting base assembly, steering head, clamp ring, brace, supporting seat, positioning and guiding stay pipe, upper connection strap, lower connection strap, changes storehouse handle, rotary handle, upper angle band moving-coil, lower angle band moving-coil, drive circle, clamp assembly, stop circle, clamp stage clip.

Described clamp assembly is made up of left clamp, right clamp.

Nail supporting base assembly comprises nail supporting base, nail supporting base fixed mount, and nail supporting base fixed mount rear portion is provided with L shape locating slot.

Nail bin groupware is made up of nail bin, nail bin seat, pushing slice of nail, suturing nail, pushing block, and nail bin seat afterbody is provided with locating dowel.

Changing storehouse handle is contained in the outside of rotary handle, change in the middle part of the handle of storehouse and be provided with locating dowel, locating dowel is provided with boss, locating dowel is through rotary handle and upper angle band moving-coil, lower angle band moving-coil, and the boss in locating dowel is connected with the storehouse handle boss locating hole that changes of upper connection strap, lower connection strap rear end.

Upper connection strap, lower connection strap front end are connected with clamp ring by brace, and nail supporting base assembly is connected by nail supporting base pin with steering head.Nail bin groupware is arranged on nail supporting base fixed mount, and the locating dowel that nail bin groupware rear end is arranged is connected with the L shape locating slot that nail supporting base fixed mount rear portion is arranged.

Steering head, supporting seat are connected with blade support, supporting seat is equipped with and turns to locator card, turn to support bar, wherein turn to suit on locator card to turn to locator card stage clip, turn to suit on support bar to turn to support bar stage clip.Supporting seat is connected with positioning and guiding stay pipe, and positioning and guiding stay pipe is sleeved on trocar sheath inside, and rear end is arranged in clamp assembly and is connected and fixed with fixed handle front end.Steering head front end is provided with two spring leafs, spring leaf and nail bin seated connection and touches.Upper connection strap is through in the upper connection strap holddown groove driving circle to be arranged on positioning and guiding stay pipe, lower connection strap is arranged in the lower connection strap holddown groove on positioning and guiding stay pipe, the lower connection strap installation draw-in groove on supporting seat respectively through driving circle, and it is spacing fixing that upper connection strap, lower connection strap rear end pass through clamp assembly.Drive circle to be connected with clamp assembly front end, be provided with in clamp assembly and stop circle and clamping stage clip.

Operation principle:

When a kind of interchangeable cartridge device for surgical stapling device and surgical stapling device support the use, pull back when moving storehouse handle, the boss changed on the handle of storehouse drives upper and lower connection strap to move backward, upper connection strap, lower connection strap by brace to be connected with clamp ring make clamp ring after move, go up connection strap simultaneously, lower connection strap promote clamp assembly backward and drive and stop that circle compression clip presses spring.Now clamp ring departs from nail supporting base assembly and nail bin groupware, can carry out the replacing of nail bin groupware.After new nail bin groupware is more finished changing, unclamp and change storehouse handle, clamping stage clip in clamp assembly resets will promote above member reset to original state, at this moment turn flexible handle, and percussion locating rod drives band blade in blade support, promote cutter grip tissue can carry out seaming and cutting.

A kind of interchangeable cartridge device advantage for surgical stapling device:

The interchangeable cartridge device that this utility model is used for surgical stapling device is reasonable in design, compact conformation, owing to being provided with nail bin groupware, nail supporting base assembly, steering head, clamp ring, brace, supporting seat, positioning and guiding stay pipe, upper connection strap, lower connection strap, change storehouse hands handle, rotary handle, upper angle band moving-coil, lower angle band moving-coil, drive circle, clamp assembly, stop circle, clamping stage clip, doctor only need change nail bin groupware separately when changing nail bin in operation technique, and need together with other parts integral replacings such as nail supporting base assemblies when changing at present nail bin without the need to picture, decrease operating theater instruments cost, alleviate corrective surgery financial burden.

Accompanying drawing explanation

Below with reference to accompanying drawing, the utility model is described in further detail:

Fig. 1 is a kind of surgical stapling device appearance schematic diagram.

Fig. 2 is this utility model interchangeable cartridge device STRUCTURE DECOMPOSITION schematic diagram.

Fig. 3 is this utility model interchangeable cartridge device original state schematic diagram.

Fig. 4 moves rear position view after this utility model interchangeable cartridge device using state schematic diagram 1(changes storehouse handle).

Fig. 5 is that this utility model interchangeable cartridge device using state schematic diagram 2(nail bin takes off rear schematic diagram).

Fig. 6 is that the A of Fig. 5 this utility model interchangeable cartridge device using state schematic diagram 2 is to close-up schematic view.

Fig. 7 is the nail supporting base modular construction schematic diagram of the interchangeable cartridge device of this utility model.

Fig. 8 is the nail supporting base modular construction sectional view of the interchangeable cartridge device of this utility model.

Fig. 9 is the nail bin groupware structural representation of the interchangeable cartridge device of this utility model.

Figure 10 is the clamp ring structural representation of the interchangeable cartridge device of this utility model.

Figure 11 is the brace structural representation of the interchangeable cartridge device of this utility model.

Figure 12 is the steering head structural representation of the interchangeable cartridge device of this utility model.

Figure 13 is the clamping support schematic diagram 1 of the interchangeable cartridge device of this utility model.

Figure 14 is the clamping support schematic diagram 2 of the interchangeable cartridge device of this utility model.

Figure 15 is the positioning and guiding supporting tube structure schematic diagram of the interchangeable cartridge device of this utility model.

Figure 16 is the upper connection strap structural representation of the interchangeable cartridge device of this utility model.

Figure 17 is the lower connection strap structural representation of the interchangeable cartridge device of this utility model.

Figure 18 be the interchangeable cartridge device of this utility model change storehouse handle arrangement schematic diagram.

Figure 19 is the rotary handle structural representation of the interchangeable cartridge device of this utility model.

Figure 20 is the lower angle band moving-coil structure schematic diagram of the interchangeable cartridge device of this utility model.

Figure 21 is the clamp assembly structural representation of the interchangeable cartridge device of this utility model.

Figure 22 is the driving coil structures schematic diagram of the interchangeable cartridge device of this utility model.

Wherein figure number represents: 1, nail bin groupware, 2, nail supporting base assembly, 3, clamp ring, 4, encapsulate, 5, trocar sheath, 6, change storehouse hands handle, 7, rotary handle, 8, traction handle, 9, safety button, 10, fixed handle, 11, flexible handle, 12, corner hands handle, 13, nail supporting base pin, 14, steering head, 15, turn to support card, 16, turn to support card stage clip, 17, supporting seat, 18, turn to support bar, 19, turn to support bar stage clip, 20, blade support, 21, positioning and guiding stay pipe, 22, turn to drag hook, 23, turn to drag hook pin, 24, upper angle band moving-coil, 25, lower angle band moving-coil, 26, band blade, 27, percussion locating rod, 28, cutter, 29, brace, 30, upper connection strap, 31, lower connection strap, 32, blade, 35, left clamp, 36, right clamp, 37, drive circle, 38, stop circle, 39, clamping stage clip,

1-1, nail bin, 1-2, nail bin seat, 1-2-1, locating dowel, 1-2-2, spring leaf confined planes; 2-1, nail supporting base, 2-2, nail supporting base fixed mount, 2-2-1, L shape locating slot, 2-2-2, nail supporting base pin-and-hole; 3-1, brace cam orientation hole;

6-1, locating dowel, 6-2, positioning boss three, 6-3, positioning boss four, 6-4, boss, 6-5, positioning boss one, 6-6, positioning boss two;

7-1, locating slot one, 7-2, locating slot two, 7-3, locating slot three, 7-4, locating surface one, 7-5, locating surface two;

14-1, the first plane, 14-2, the second plane, 14-3, supporting seat cam installing hole, 14-4, the recessed circular groove of blade support cam orientation half, 14-5, nail supporting base pin installing hole, 14-6, band blade draw-in groove, 14-7, spring leaf, 14-8, the 3rd plane;

17-1, turn to support bar mounting groove, 17-2, blade support cam orientation hole, 17-3, T-shaped boss, 17-4, turn to support bar stage clip mounting groove, end cam before 17-5, supporting seat, 17-6, turns to locating groove, 17-7, turns to locator card stage clip draw-in groove, 17-8, lower connection strap mounting groove, 17-9, turn to drag hook locating groove;

21-1, turn to drag hook support slot, 21-2, T-slot, 21-3, lower brace locating slot, 21-4, upper brace locating slot; Groove on 24-1, upper angle band moving-coil, the groove on 25-1, lower angle band moving-coil; 29-1, brace cam;

30-1, brace cam orientation hole, 30-2, change storehouse handle boss locating hole, 30-3, positive stop lug boss; 31-1, brace cam orientation hole, 31-2, change storehouse handle boss locating hole, 31-3, positive stop lug boss;

35-1, location post holes, 35-2, clamping stage clip mounting groove, 35-3, stop circle confined planes, 35-4, positive stop lug boss locating slot, 35-5, step groove, 35-6, stop circle locating slot; 36-1, locating dowel, 36-2, clamping stage clip mounting groove, 36-3, stop circle confined planes, 36-4, positive stop lug boss locating slot, 36-5, front end are provided with step groove, 36-6, stop circle locating slot;

37-1, positioning step, 37-2, connection strap locating slot; 38-1, positioning boss.

Detailed description of the invention

With reference to accompanying drawing 1 ~ 22, a kind of interchangeable cartridge device for surgical stapling device comprises nail bin groupware 1, nail supporting base assembly 2, steering head 14, clamp ring 3, brace 29, supporting seat 17, positioning and guiding stay pipe 21, upper connection strap 30, lower connection strap 31, changes storehouse handle 6, rotary handle 7, upper angle band moving-coil 24, lower angle band moving-coil 25, drive circle 37, clamp assembly, stop circle 38, clamping stage clip 39.

Described clamp assembly is made up of left clamp 35, right clamp 36.

Nail supporting base assembly 2 comprises nail supporting base 2-1, nail supporting base fixed mount 2-2, nail supporting base fixed mount 2-2 rear portion is provided with L shape locating slot 2-2-1.

Nail bin groupware 1 is made up of nail bin 1-1, nail bin seat 1-2, pushing slice of nail, suturing nail, pushing block, and nail bin seat 1-2 afterbody is provided with locating dowel 1-2-1 and spring leaf confined planes 1-2-2.

Changing storehouse handle 6 is contained in the outside of rotary handle 7, change in the middle part of storehouse handle 6 and be provided with locating dowel 6-1, locating dowel 6-1 is provided with boss 6-4, locating dowel 6-1 is through rotary handle 7 and upper angle band moving-coil 24, lower angle band moving-coil 25, and the boss 6-4 on locating dowel 6-1 is connected with change storehouse handle boss locating hole 30-2,31-2 of upper connection strap 30, lower connection strap 31 rear end.

Upper connection strap 30, lower connection strap 31 front end are connected with clamp ring 3 by brace 29, and nail supporting base assembly 2 is connected by nail supporting base pin 13 with steering head 14.Nail bin groupware 1 is arranged on nail supporting base fixed mount 2-2, and the locating dowel 6-1 that nail bin groupware 1 rear end is arranged is connected with the L shape locating slot 2-2-1 that nail supporting base fixed mount 2-2 rear portion is arranged.Steering head 14, supporting seat 17 are connected with blade support 20, supporting seat 17 is equipped with and turns to locator card, turn to support bar 18, wherein turn to suit on locator card 15 to turn to locator card stage clip 16, turn to suit on support bar 18 to turn to support bar stage clip 19.Supporting seat 17 is connected with positioning and guiding stay pipe 21, and it is inner that positioning and guiding stay pipe 21 is sleeved on trocar sheath 5, and rear end is arranged in clamp assembly and is connected and fixed with fixed handle 10 front end.Steering head 14 front end is provided with two spring leaf 14-7, spring leaf 14-7 and contacts with nail bin seat 1-2.Upper connection strap 30 is arranged on 21-4 in the upper connection strap holddown groove on positioning and guiding stay pipe 21 through driving circle, lower connection strap 31 is arranged in the lower connection strap holddown groove 21-3 on positioning and guiding stay pipe, the lower connection strap installation draw-in groove 17-8 on supporting seat 17 respectively through driving circle, and it is spacing fixing that upper connection strap 30, lower connection strap 31 rear end pass through clamp assembly.Drive circle 37 to be connected with clamp assembly front end, be provided with in clamp assembly and stop circle 38 and clamping stage clip 39.

What Fig. 1 represented generally is a kind of disclosed surgical stapling device, surgical stapling mainly comprises fixed handle 10, the traction handle 8 be arranged on fixed handle 10, safety button 9, turning handle 7, corner handle 12, be arranged on and turning handle 7 changes storehouse handle 6, the trocar sheath 5 distally extended, nail supporting base assembly 2, nail bin groupware 1, clamp ring 3 and be coated on encapsulate 4 on clamp ring 3 and trocar sheath 5 etc.

With reference to Fig. 2, Figure 18, Figure 19 and Figure 20, change the outside that storehouse handle 6 is arranged on rotary handle 7, change storehouse handle 6 inside and be provided with positioning boss one 6-5, positioning boss two 6-6, positioning boss three 6-2, positioning boss four 6-3 and locating dowel 6-1, wherein locating dowel 6-1 is provided with boss 6-4.Be provided with locating surface one 7-4, locating surface two 7-5 in the middle part of rotary handle 7, locating surface one 7-4 be provided with locating slot one 7-1, locating slot two 7-2, locating surface two 7-5 is provided with locating slot three 7-3.Change positioning boss one 6-5 on storehouse handle 6, positioning boss two 6-6 is arranged on locating surface one 7-4 on rotary handle 7, locating surface two 7-5 respectively, change positioning boss three 6-2 on storehouse handle 6, positioning boss four 6-3 is arranged on locating slot one 7-1 on rotary handle 7, locating slot three 7-3 respectively.The locating dowel 6-1 changing storehouse handle 6 is each passed through the groove 25-1 on locating slot two 7-2 on rotary handle 7, the groove 24-1 on upper angle band moving-coil 24, lower angle band moving-coil 25.

With reference to Figure 14, Figure 15,16, Figure 17, Figure 18, upper connection strap 30 front end is provided with brace cam orientation hole 30-1, and rear end is provided with changes storehouse handle boss locating hole 30-2 and positive stop lug boss 30-3; Equally, lower connection strap 31 front end is provided with brace cam orientation hole 31-1, and rear end is provided with changes storehouse handle boss locating hole 31-2 and positive stop lug boss 31-3.The boss 6-4 changed on storehouse handle 6 is connected with change storehouse handle boss locating hole 30-2,31-2 on upper connection strap 30, lower connection strap 31 respectively.Upper connection strap 30 is arranged on the upper brace locating slot 21-3 of positioning and guiding stay pipe 21, and lower connection strap 31 is arranged on the lower brace locating slot 21-4 of positioning and guiding the stay pipe 21 and lower connection strap mounting groove 17-8 of supporting seat 17.

With reference to Figure 10, Figure 11, Figure 16 and Figure 17, the brace cam 29-1 on brace 29 is connected with brace cam orientation hole 30-1,31-1 of upper connection strap 30, lower connection strap 31 front end and the brace cam orientation hole 3-1 of clamp ring 3 rear end respectively.Clamp ring 3 inside is provided with nail supporting base assembly 2, nail bin groupware 1 and steering head 14.

Reference 7, Fig. 8, Fig. 9, Figure 12, nail supporting base assembly 2 comprises nail supporting base 2-1 and nail supporting base fixed mount 2-2, nail supporting base fixed mount 2-2 rear end is provided with 2 L shape locating slot 2-2-1 and nail supporting base pin-and-hole 2-2-2.Nail bin 1-1 is arranged on nail bin seat 1-2, and the locating dowel 1-2-1 that nail bin seat 1-2 rear end is respectively arranged with 2 locating dowel 1-2-1 and spring leaf confined planes 1-2-2, nail bin seat 1-2 rear end is arranged in the L shape groove 2-2-1 of nail supporting base fixed mount 2-2 rear end.

Steering head 14 arranges stepped, comprise the first plane 14-1, the second plane 14-2, the 3rd plane 14-8, wherein the first plane 14-1 is provided with supporting seat cam installing hole 14-3, second plane 14-2 is provided with the recessed circular groove 14-4 of blade support cam orientation half, the 3rd plane 14-8 is provided with band blade draw-in groove 14-6.Steering head 14 front end is respectively arranged with nail supporting base pin installing hole 14-5,2 spring leaf 14-7.Steering head 14 is connected and fixed by nail supporting base pin 13 and nail supporting base assembly 2, and 2 spring leaf 14-7 prop up nail bin groupware 1 respectively.

With reference to Fig. 2, Figure 12, Figure 13, Figure 14, Figure 15, supporting seat 17 front end is provided with cam 17-5, supporting seat 17 side is provided with and turns to support bar mounting groove 17-1, blade support cam orientation hole 17-2 and turn to support bar stage clip mounting groove 17-4, and supporting seat 17 rear end is provided with T-shaped boss 17-3.Wherein turn to support bar mounting groove 17-1, turn in support bar stage clip mounting groove 17-4 to be separately installed with and turn to support bar 18 and turn to support bar stage clip 19.Opposite side is provided with and turns to locating groove 17-6, turn to locator card stage clip draw-in groove 17-7, lower connection strap mounting groove 17-8 and turn to drag hook locating groove 17-9, turns to locating groove 17-6, turns in locator card stage clip draw-in groove 17-7 to be separately installed with and turn to locator card 15 and turn to locator card stage clip 16.Before supporting seat, end cam 17-5 is connected with the supporting seat cam installing hole 14-4 on steering head 14 first plane 14-1, and the T-shaped boss 17-3 of supporting seat 17 rear end and the T-slot 21-2 of positioning and guiding stay pipe 21 front end is located by connecting simultaneously.Blade support 20 is connected with the blade support cam orientation hole 17-2 on the recessed circular groove 14-4 of the blade support cam orientation half on steering head 14 and supporting seat 17 respectively.Turning to drag hook 22 to be arranged on, positioning and guiding stay pipe 21 turns on drag hook support slot 21-1, and front end is connected with turning to support card 15, and rear end is connected with lower angle band moving-coil 25 by turning to drag hook pin 23.Band blade 26 front end is provided with cutter 28, and middle part and the blade pressing plate 32 that leads is connected, and rear end is connected with percussion locating rod 27.Band blade 26, blade guiding pressing plate 32, percussion locating rod 27 are arranged in positioning and guiding stay pipe 21.It is inner that positioning and guiding stay pipe 21 is arranged on trocar sheath 5, and rear end is arranged in clamp assembly and is connected and fixed with fixed handle 10 front end.

With reference to Fig. 2, Figure 16, Figure 17, Figure 22, driving circle 37 outer setting has positioning step 37-1, inside arranges connection strap locating slot 37-2, upper connection strap 30, lower connection strap 31 are each passed through the connection strap locating slot 37-2 driven on circle 37, positive stop lug boss 30-3,31-3 of rear end are arranged in positive stop lug boss locating slot 35-4,36-4 of clamp assembly inside, and described clamp assembly comprises left clamp 35, right clamp 36.Left clamp 35 is provided with 4 location post holes 35-1, front end is provided with step groove 35-5, positive stop lug boss locating slot 35-4, stops circle confined planes 35-3, stops circle locating slot 35-6, clamping stage clip mounting groove 35-2.Right clamp 36 is provided with 4 locating dowel 36-1, front end is provided with step groove 36-5, positive stop lug boss locating slot 36-4, stops circle confined planes 36-3, stops circle locating slot 36-6, clamping stage clip mounting groove 36-2.The positioning step 37-1 on circle 37 is driven to be arranged in step groove 35-5,36-5 of left and right clamp 35,36 front end.Be separately installed with after clamp assembly inside stop circle confined planes 35-3,36-3 and stop circle 38 and clamping stage clip 39, wherein stop that circle is provided with 2 positioning boss 38-1, positioning boss 38-1 is arranged in stop circle locating slot 35-6,36-6 of left and right clamp 35,36 inside, clamping stage clip is arranged in clamping stage clip mounting groove 35-2,36-2, and rear end is spacing by the positive stop lug boss 10-1 on fixed handle 10.

With reference to Fig. 4, pull back when moving storehouse handle 6, the boss 6-4 changed on storehouse handle 6 is arranged on changing on connection strap 30 respectively and storehouse handle boss locating hole 30-2 and lower connection strap 31 changes in the handle boss locating hole 31-2 of storehouse, thus drive above connection strap 30, lower connection strap 31 to move backward, upper connection strap 30, lower connection strap 31 by brace 29 to be connected with clamp ring 3 make clamp ring 3 after move, go up connection strap 30, lower connection strap 31 simultaneously and promote clamp assembly backward and drive and stop that circle 38 compression clip presses spring 39.Now clamp ring 3 departs from nail supporting base assembly 2 and nail bin groupware 1, can carry out the replacing of nail bin groupware 1.

With reference to Fig. 5, Fig. 6, Fig. 7, Fig. 8 and Fig. 9, pull back and move storehouse handle 6, the spring leaf 14-7 that the locating dowel 1-2-1 of nail bin groupware 1 rear end takes off in rear steering 14 along the L shape groove 2-2-1 of nail supporting base assembly 2 rear end is automatically reset.After new nail bin groupware 1 is more finished changing, unclamp and change storehouse handle 6, clamping stage clip 39 in clamp assembly resets and promotes to stop circle 38, stop that circle 38 drives clamp assembly, upper connection strap 30, lower connection strap 31, brace 29, clamp ring 3 resets to original state, at this moment turn flexible handle 11, percussion locating rod 27 drives band blade 26 in blade support 20, promote cutter 28 grip tissue can carry out seaming and cutting.

Change storehouse handle 6 to be contained on rotary handle 7, change in the middle part of storehouse handle 6 and be provided with locating dowel 6-1, locating dowel 6-1 is provided with boss 6-4, and locating dowel 6-1 is through rotary handle 7, upper angle band moving-coil 24, lower angle band moving-coil 25.Boss 6-4 on locating dowel 6-1 is connected with upper connection strap 30, lower connection strap 31, and upper connection strap 30, lower connection strap 31 back segment are connected with driving circle 37, drives circle 37 to be connected with clamp assembly; The front end that upper connection strap 30, lower connection strap 31 extend is connected with clamp ring 3 by brace 29; Storehouse handle 6 is changed in movement backward, changes connection strap 30, lower connection strap 31, brace 29, clamp ring 3 in the boss 6-4 drive on storehouse handle 6 and departs from nail bin groupware 1; At this moment promote nail bin groupware 1 from the L shape locating slot 2-2-1 of nail supporting base assembly, take out nail bin groupware 1, after the nail bin groupware 1 more renewed, unclamp and change storehouse handle 6, the clamping stage clip 39 in clamp assembly by above member reset to original state; After the nail bin groupware renewed, unclamp and change storehouse handle 6, above member reset to original state, is at this moment turned flexible handle 11 and just can clamp seaming and cutting tissue by the clamping stage clip 39 in clamp assembly.

The described locating dowel 6-1 changing storehouse handle is through rotary handle 7 and upper angle band moving-coil 24, lower angle band moving-coil 25.

Boss on the described locating dowel 6-1 changing storehouse handle is connected with upper connection strap 30, lower connection strap 31.

The described storehouse handle 6 that changes moves backward, and clamp ring 3 departs from nail bin groupware 1, can take out and the nail bin groupware 1 more renewed.

Described nail supporting base 2-1 back segment has the L shape locating slot 2-1-1 of a pair symmetry.

Claims (6)

1., for an interchangeable cartridge device for surgical stapling device, it is characterized in that: comprise nail bin groupware, nail supporting base assembly, steering head, clamp ring, brace, supporting seat, positioning and guiding stay pipe, upper connection strap, lower connection strap, change storehouse handle, rotary handle, upper angle band moving-coil, lower angle band moving-coil, drive circle, clamp assembly, stop circle and clamp stage clip;

Nail supporting base assembly comprises nail supporting base, nail supporting base fixed mount, and nail supporting base fixed mount rear portion is provided with L shape locating slot;

Nail bin groupware is made up of nail bin, nail bin seat, pushing slice of nail, suturing nail, pushing block, and nail bin seat afterbody is provided with locating dowel;

Changing storehouse handle is contained on rotary handle, and change in the middle part of the handle of storehouse and be provided with locating dowel, locating dowel is provided with boss, and locating dowel drives circle through rotary handle, upper lower angle; Boss in locating dowel is connected with upper and lower connection strap, and upper and lower connection strap back segment encloses with driving and is connected, and drives circle to be connected with clamp assembly; The front end that upper and lower connection strap extends is connected with clamp ring by brace; Storehouse handle is changed in movement backward, and the boss changed on the handle of storehouse drives upper and lower connection strap, brace, clamp ring departs from nail bin groupware; At this moment promote nail bin groupware, from nail supporting base assembly L shape locating slot, take out nail bin groupware, after the nail bin groupware more renewed, unclamp and change storehouse handle, the spring in clamp assembly by above member reset to original state; After the nail bin groupware renewed, unclamp and change spring in the handle clamp assembly of storehouse by above member reset to original state, at this moment turn flexible handle and just can clamp seaming and cutting tissue.

2. a kind of interchangeable cartridge device for surgical stapling device according to claim 1, is characterized in that: the described storehouse handle that changes is contained on the shell of rotary handle.

3. a kind of interchangeable cartridge device for surgical stapling device according to claim 1, is characterized in that: described changes storehouse handle locating dowel through rotary handle and upper angle band moving-coil, lower angle band moving-coil.

4. a kind of interchangeable cartridge device for surgical stapling device according to claim 1, is characterized in that: the described boss changed in the handle locating dowel of storehouse is connected with upper connection strap, lower connection strap.

5. a kind of interchangeable cartridge device for surgical stapling device according to claim 1, is characterized in that: the described storehouse handle that changes moves backward, and clamp ring departs from nail bin groupware, can take out and the nail bin groupware more renewed.

6. a kind of interchangeable cartridge device for surgical stapling device according to claim 1, is characterized in that: described nail supporting base back segment has the L shape locating slot of a pair symmetry.