CN113116433A

CN113116433A - One shot forming surgery operation sews up sharp anastomat

Info

Publication number: CN113116433A
Application number: CN202110420834.8A
Authority: CN
Inventors: 陆坚; 曹锐
Original assignee: Suzhou Frankenman Medical Equipment Co Ltd
Current assignee: Suzhou Frankenman Medical Equipment Co Ltd
Priority date: 2021-04-19
Filing date: 2021-04-19
Publication date: 2021-07-16
Anticipated expiration: 2041-04-19
Also published as: CN113116433B

Abstract

The invention discloses a one-step forming surgical operation suture linear anastomat which comprises a protective shell and a connecting sleeve, wherein a suture part is fixedly arranged at one end of the connecting sleeve, which is far away from the protective shell, the suture part comprises a suture head and a movable suture nail bin, and the movable suture nail bin comprises a nail bin shell, a movable nail pushing plate and a fixed nail storage device. Through setting up the ejector pin board spring, at the effect of ejector pin board spring at first with the storage nail groove that sews up the nail part and release isosceles trapezoid shape, push out nail board certain distance via the ejector pin groove for sew up the nail and pierce through after the bending of certain degree is carried out in isosceles trapezoid shape's ejector pin groove and storage nail groove and wait to sew up the position and tentatively fix, the position of closing the nail of effective control anastomat prevents the anastomat and closes the skew, effectively guarantees the final effect of sewing up of anastomat.

Description

One shot forming surgery operation sews up sharp anastomat

Technical Field

The invention relates to the technical field of linear anastomats, in particular to a one-step forming surgical suture linear anastomat.

Background

The anastomat is a medical surgical stapler, is a device used in medicine to replace traditional manual suturing, and mainly adopts the working principle that titanium nails are utilized to separate or anastomose tissues due to the development of modern science and technology and the improvement of manufacturing technology, and the anastomat is mainly divided into an arc anastomat, a linear anastomat and the like according to different shapes and using parts. The linear anastomat is one of the most widely applied anastomat types, and the action principle of the linear anastomat is that the linear anastomat is formed by two handle components, wherein one handle generally comprises a nail bin seat component, the other handle generally comprises a nail abutting seat component, the two handle components are closed to clamp tissues, then suturing nails in a nail bin of the anastomat are pushed out to form, and the tissues are sutured together.

A pushing type firing structure is usually used for a common linear anastomat, in a common use process, due to the fact that operation modes of medical staff are different, a suture part needs to be accurately positioned when the linear anastomat is used, the common linear anastomat needs to be fired for the first time to fix an affected part and then fired for the second time to suture, in the process, due to the fact that manual operation easily causes the problem that the stapling position is not accurate enough, anastomotic nails are prone to deviation and difficult to staple to the accurate part, in the actual suturing process, square nails are prone to generate vertical depressions with the suture part, the stress of the puncture position is prone to disperse, the suturing effect is poor, and due to the fact that the existing linear anastomat generally only adopts tactile feedback to provide a mistaken touch preventing environment, substantial protection is lacked, and the problem of mistaken firing is prone to.

An effective solution to the problems in the related art has not been proposed yet.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the one-step forming surgical operation suture linear anastomat which has the advantages of accurate suturing position, good suturing effect, good firing effect, capability of preventing error firing and the like, and solves the problems of inaccurate suturing position, poor suturing effect and easiness in error firing.

(II) technical scheme

In order to solve the technical problems of inaccurate nailing position, poor sewing effect and easy error triggering, the invention provides the following technical scheme: a linear stapler for suturing in one-step forming surgical operation comprises a protective shell and a connecting sleeve, wherein the protective shell is in threaded connection with the connecting sleeve, a suturing part is fixedly arranged at one end, far away from the protective shell, of the connecting sleeve and comprises a suturing head and a movable suturing nail bin, a percussion part is arranged inside the protective shell, a percussion connecting rod is arranged inside the connecting sleeve, the suturing head is U-shaped, a nail bin guide rod is arranged at the top end inside the suturing head, a nail anvil mounting groove is formed in one side inside the suturing head, a nail anvil is fixedly arranged inside the nail anvil mounting groove, a first percussion through hole is formed in the center of one end, far away from the nail anvil, of the outer surface of the suturing head, the movable suturing nail bin comprises a nail bin shell, a movable nail pushing plate and a fixed nail storage device, a nail pushing plate movable groove which is matched with the movable nail pushing, the nail magazine comprises a nail magazine shell, and is characterized in that a nail storage device mounting groove is formed in the front side of the nail magazine shell, a guide through hole which completely penetrates through the nail magazine shell is formed in the top end of the front side of the nail magazine shell, a second firing through hole which penetrates through a movable groove of a nail pushing plate is formed in the back side of the nail magazine shell, the movable nail pushing plate comprises a transverse moving block and a nail pushing block, a T-shaped part is formed between the transverse moving block and the nail pushing block, a firing connecting rod fixing groove is formed in one side of the transverse moving block, a nail pushing plate spring is arranged on one side, away from the firing connecting rod fixing groove, of the transverse moving block.

Preferably, the movable suturing nail bin is under the common limiting action of the nail bin guide rod and the guide through hole, the movable suturing nail bin is forced to slide inside the suturing head, the movable nail pushing plate is movably arranged inside the movable groove of the nail pushing plate, and the movable nail pushing plate is connected with the movable groove of the nail pushing plate through a nail pushing plate spring.

Preferably, the ejector pin piece stretches into inside storing up nail ware mounting groove, the ejector pin piece compels can store up the inside slip of nail ware mounting groove, a plurality of ejector pin grooves have been seted up on going out the nail board, sponge store up on the nail board seted up a plurality of with the storage nail groove that the ejector pin groove one-to-one corresponds, the ejector pin groove with the cross-section that stores up the nail groove is isosceles trapezoid.

Preferably, protective housing lower surface one end is provided with the grab handle, the protective housing is kept away from a side surface of grab handle has seted up the connecting thread pipe, the inside firing portion mounting groove of having seted up of protective housing, connecting thread pipe central authorities have seted up the third firing through-hole, the bolt shifting chute that runs through completely is seted up to protective housing side central authorities, the protective housing is inside and is located the locking piece shifting chute has been seted up to firing portion mounting groove below, the locking piece shifting chute has been seted up near the one end of grab handle, the firing trigger mounting groove has been seted up to the protective housing lower surface, the inside firing trigger pivot that is provided with of firing trigger mounting.

Preferably, the firing portion includes firing trigger, spring firing pole and removal bolt, the firing trigger is installed inside the firing trigger mounting groove the firing trigger pivot outside, the installation of spring firing pole sets up inside the firing portion mounting groove, it is in to remove the bolt activity setting inside the bolt shifting chute.

Preferably, the top end of the firing trigger is provided with an unlocking bump, one side of the firing trigger, which is close to the grab handle, is provided with a trigger spring, and the firing trigger can rotate around a rotating shaft of the firing trigger under the limitation of the trigger spring.

Preferably, the spring firing rod is composed of a firing spring, a fixed column and a firing column, the fixed column and the firing column are respectively and fixedly arranged at two ends of the firing spring, a firing spring guide column is arranged on one side of the fixed column and inside the firing spring, the movable bolt is fixedly sleeved on the firing column, and the position of the firing column is controlled by the movable bolt.

Preferably, the removal bolt comprises outside wrench plate, inside limiting plate and bolt locking piece, outside wrench plate runs through the bolt shifting groove and sets up the protective housing outside, bolt locking piece with be provided with locking spring between the inside limiting plate and connect, bolt locking piece can locking piece shifting inslot portion removes, locking spring can with bolt locking piece is located when locking the groove top, with bolt locking piece bullet locking inside the locking groove.

Preferably, a buffer spring is arranged at one end of the firing connecting rod, one end, far away from the firing connecting rod, of the buffer spring is fixedly connected with the firing columns, one end, far away from the buffer spring, of the firing connecting rod is fixedly arranged inside the firing connecting rod fixing groove, and the firing connecting rod penetrates through the connecting sleeve, the first firing through hole, the second firing through hole and the center inside the third firing through hole respectively.

(III) advantageous effects

Compared with the prior art, the invention provides the one-step forming surgical suture linear anastomat which has the following beneficial effects:

1. this kind of linear anastomat is sewed up in one shot forming surgery, through setting up the staple pushing plate spring, at the effect of staple pushing plate spring at first will sew up the nail part and release the storage nail groove of isosceles trapezoid shape, push out nail board certain distance via the staple pushing groove, make to sew up the nail and pierce through after the bending type of certain degree is carried out in the staple pushing groove of isosceles trapezoid shape and storage nail groove and treat that the position is sewed up and tentatively fix, the position of closing the nail of effective control anastomat, prevent the anastomat and close the skew, the final effect of sewing up of anastomat is effectively guaranteed.

2. This kind of linear anastomat is sewed up in one shot forming surgery operation, after ejector pin leaf spring compresses to the shortest state, whole portable nail storehouse of sewing up moves, treat that the position of sewing up fixes completely between fixed sewing head and the portable nail storehouse of sewing up, later because inertial influence, the motion is stopped to the nail storehouse shell, ejector pin piece continues the inside slip of nail ware mounting groove, sponge stores up the nail board and is compressed the back once more, will sew up the nail and push out completely and store up the nail groove, buckle into the arc on the nail anvil at last, accomplish and sew up the step, will effectively treat that the position of sewing up laminates, guarantee sutural effect, it is difficult to healing to prevent to sew.

3. This kind of linear anastomat is sewed up in one shot forming surgery operation, through the nail groove that pushes away that sets up the isosceles trapezoid shape with store up the nail groove, will sew up the nail via the nail groove that pushes away of isosceles trapezoid shape with store up the nail groove, at first carry out certain degree after buckling to pierce through and wait to sew up the position, guarantee to sew up and be in the tilt state all the time between nail and the human tissue, more effectual impaling human tissue improves and sews up the effect.

4. This kind of straight line anastomat is sewed up in one shot forming surgery, elastic potential energy through setting up the mobile bolt control spring firing bar stores and elastic potential energy releases, make can drive the firing post through removing the bolt and remove, the firing post removes the guide effect compression firing spring under the firing spring guide post, make the firing spring collect together elastic potential energy, and after removing the spacing of mobile bolt, the firing spring can release elastic potential energy rapidly, make the firing post promote the firing connecting rod fast and remove the percussion that sews up the portion, make the effect through removing the bolt turn into controllable state with the percussion of anastomat into through the effect of mobile bolt, and be convenient for just produce the usefulness of power to spring firing bar when needs use through the bolt, prevent that the longer memory effect that produces of firing spring compression time is difficult to the percussion.

5. This kind of linear anastomat is sewed up in one shot forming surgery, can carry out the percussion spring of energy storage through the setting, before the operation, arrange the portion of sewing up of linear anastomat in the affected part that needs sew up, and will sew up head and portable space alignment between the nail storehouse and need carry out sutural position, compare the in-process of affected part position here, the percussion spring is in natural state elastic potential energy and is zero, consequently can not be by the percussion, prevent to cause the mistake percussion at the removal contrast in-process, cause the unnecessary injury to patient.

6. This kind of linear anastomat is sewed up in one shot forming surgery through setting up trigger spring, the percussion trigger just can make the percussion trigger to the motion of grab handle direction using great power under trigger spring's effect, provides medical staff's a feedback, prevents that medical staff's maloperation from pressing down the percussion trigger with percussion portion percussion when being not conform to the opportunity.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is one of the overall explosion diagrams of the present invention;

FIG. 4 is a second schematic diagram of the overall explosion of the present invention;

FIG. 5 is one of the schematic cross-sectional views of the suture of the present invention;

FIG. 6 is a second cross-sectional view of the suturing portion of the present invention;

FIG. 7 is an enlarged view of portion A of FIG. 6 in accordance with the present invention;

FIG. 8 is one of the exploded views of the seam of the present invention;

FIG. 9 is a second exploded view of the suturing member of the present invention;

FIG. 10 is an exploded view of the protective case and firing portion of the present invention;

FIG. 11 is a cross-sectional view of the initial state of the protective housing and firing portion of the present invention;

FIG. 12 is an enlarged schematic view of portion B of FIG. 11 in accordance with the present invention;

FIG. 13 is a schematic cross-sectional view of the protective housing and firing portion of the present invention in a cocked configuration;

fig. 14 is an enlarged view of portion C of fig. 13 according to the present invention.

In the figure: 1. a protective shell; 11. a handle; 12. connecting a threaded pipe; 13. a percussion part mounting groove; 14. a third percussion through hole; 15. a bolt travel slot; 16. a locking block moving groove; 17. a locking groove; 18. a trigger mounting groove; 19. a trigger rotating shaft; 2. connecting a sleeve; 3. a suture section; 4. a suturing head; 41. a nail bin guide rod; 42. a nail anvil mounting groove; 43. a nail anvil; 44. a first firing through-hole; 5. a movable suture nail bin; 51. a nail bin housing; 511. a nail pushing plate moving groove; 512. a nail storage device mounting groove; 513. a guide through hole; 514. a second firing through hole; 52. a movable nail pushing plate; 521. transversely moving the blocks; 522. pushing the nail block; 523. a firing connecting rod fixing groove; 524. a nail-pushing plate spring; 53. fixing the nail storage device; 531. a nail discharging plate; 532. a sponge nail storage plate; 533. a nail pushing groove; 534. a nail storage groove; 6. a percussion part; 61. a trigger; 611. unlocking the bump; 612. a trigger spring; 62. a spring firing bar; 621. a firing spring; 622. fixing a column; 623. a firing post; 624. a firing spring guide post; 63. moving the bolt; 631. an outer pulling plate; 632. an inner limiting plate; 633. a bolt locking block; 634. a locking spring; 7. a firing connecting rod; 71. a buffer spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In order to solve the above technical problems, the present application provides a one-step surgical suture linear stapler.

Referring to fig. 1-14, a linear stapler for one-step forming surgical suture comprises a protective shell 1 and a connecting sleeve 2, the protective shell 1 is in threaded connection with the connecting sleeve 2, a suture portion 3 is fixedly arranged at one end of the connecting sleeve 2 far away from the protective shell 1, the suture portion 3 comprises a suture head 4 and a movable suture nail bin 5, a percussion portion 6 is arranged inside the protective shell 1, a percussion connecting rod 7 is arranged inside the connecting sleeve 2, the suture head 4 is U-shaped, a nail bin guide rod 41 is arranged at the top end inside the suture head 4, a nail anvil mounting groove 42 is arranged at one side inside the suture head 4, a nail anvil 43 is fixedly arranged inside the nail anvil mounting groove 42, a first percussion through hole 44 is arranged at the center of one end of the outer surface of the suture head 4 far away from the nail anvil 43, the movable suture nail bin 5 comprises a nail bin shell 51, the nail pushing plate movable groove 511 matched with the movable nail pushing plate 52 is arranged in the nail bin shell 51, the nail storage device installation groove 512 is arranged on the front face of the nail bin shell 51, the guide through hole 513 completely penetrating through the nail bin shell 51 is arranged at the top end of the front face of the nail bin shell 51, the second triggering through hole 514 penetrating through the nail pushing plate movable groove 511 is arranged on the back face of the nail bin shell 51, the movable nail pushing plate 52 comprises a transverse moving block 521 and a nail pushing block 522, the transverse moving block 521 and the nail pushing block 522 are in a T shape, a triggering connecting rod fixing groove 523 is formed in one side of the transverse moving block 521, a nail pushing plate spring 524 is arranged on one side of the transverse moving block 521, which is far away from the triggering connecting rod fixing groove 523, and the fixed nail storage device.

Further, under the common limiting action of the staple cartridge guide rod 41 and the guide through hole 513, the movable suture staple cartridge 5 is forced to slide inside the suture head 4, the movable staple pushing plate 52 is movably arranged inside the staple pushing plate movable groove 511, and the movable staple pushing plate 52 is connected with the staple pushing plate movable groove 511 through the staple pushing plate spring 524, so that under the common guiding action of the staple cartridge guide rod 41 and the guide through hole 513, the movable suture staple cartridge 5 can be controlled to slide inside the suture head 4, and in the process of pushing the movable staple pushing plate 52 by the firing connecting rod 7, the whole movable suture staple cartridge 5 can be pushed to move after the staple pushing plate spring 524 is compressed to the shortest state, and the part to be sutured is stapled and molded between the movable suture staple cartridge 5 and the suture head 4.

Further, the nail pushing block 522 extends into the nail storage device mounting groove 512, the nail pushing block 522 is forced to slide in the nail storage device mounting groove 512, the nail discharging plate 531 is provided with a plurality of nail pushing grooves 533, the sponge nail storage plate 532 is provided with a plurality of nail storage grooves 534 corresponding to the nail pushing grooves 533 one to one, the sections of the nail pushing grooves 533 and the nail storage grooves 534 are isosceles trapezoids, sewing nails are arranged in the nail storage grooves 534 in specific implementation, the nail pushing block 522 is forced to move, the sponge nail storage plate 532 can be compressed to push the sewing nails out of the nail pushing grooves 533 and the nail storage grooves 534 in the isosceles trapezoid shape, a part to be sewn is pierced after bending to a certain degree, and finally the nail anvil 43 is bent into an arc shape to finish sewing.

Further, 1 lower surface one end of protective housing is provided with grab handle 11, protective housing 1 has been kept away from one side surface of grab handle and has been seted up connection screwed pipe 12, percussion portion mounting groove 13 has been seted up to protective housing 1 inside, connection screwed pipe 12 central authorities have seted up third percussion through-hole 14, protective housing 1 side central authorities have seted up bolt shifting chute 15 that runs through completely, locking piece shifting chute 16 has been seted up to protective housing 1 inside and being located percussion portion mounting groove 13 below, locking piece shifting chute 16 is close to the one end of grab handle 11 and has seted up locking groove 17, percussion trigger mounting groove 18 has been seted up to protective housing 1 lower surface, percussion trigger pivot 19 is provided to percussion trigger mounting groove 18 inside, thereby make each inside the groove of protective housing 1 can be installed to each subassembly of percussion portion 6, and make percussion portion 6 can reach corresponding function.

Further, the firing portion 6 comprises a firing trigger 61, a spring firing rod 62 and a movable bolt 63, the firing trigger 61 is installed outside the firing trigger rotating shaft 19 inside the firing trigger mounting groove 18, the spring firing rod 62 is installed and arranged inside the firing portion mounting groove 13, the movable bolt 63 is movably arranged inside the bolt moving groove 15, the firing trigger 61, the spring firing rod 62 and the movable bolt 63 are movably arranged inside the protective shell 1 respectively, and the purpose of controlled firing is achieved through the operation of the firing trigger 61, the spring firing rod 62 and the movable bolt 63 inside the protective shell 1.

Further, the top end of the firing trigger 61 is provided with an unlocking bump 611, one side of the firing trigger 61 close to the grip 11 is provided with a trigger spring 612, the firing trigger 61 can rotate around the firing trigger rotating shaft 19 under the limit of the trigger spring 612, such that, upon depression of the firing trigger 61 to rotate about the firing trigger axis 19, the unlocking lug 611 causes the bolt lock block 633 to be lifted by the action of the lock spring 634, such that moving the bolt 63 unlocks the spring firing bar 62, the elastic potential energy accumulated by the spring firing bar 62 is released, causing the spring firing bar 62 to fire the firing link 7, and when the medical staff presses down the firing trigger 61, the firing trigger 61 can move towards the grab handle 11 under the action of the trigger spring 612 by using larger force, so that a feedback is provided for the medical staff, and the medical staff is prevented from pressing down the firing trigger 61 by mistake and firing the firing part 6 when the timing is not met.

Further, the spring firing rod 62 is composed of a firing spring 621, a fixed column 622 and a firing column 623, the fixed column 622 and the firing column 623 are respectively and fixedly arranged at two ends of the firing spring 621, a firing spring guide column 624 is arranged on one side of the fixed column 622 and inside the firing spring 621, the movable bolt 63 is fixedly sleeved on the firing column 623, the movable bolt 63 controls the position of the firing column 623, the movable bolt 63 can further drive the firing column 623 to move through the movable bolt 63, the firing column 623 moves to compress the firing spring 621 under the guiding action of the firing spring guide column 624, the firing spring 621 accumulates elastic potential energy, and after the limit of the movable bolt 63 is released, the firing spring 621 can rapidly release the elastic potential energy, so that the firing column 623 rapidly pushes the firing connecting rod 7 to move to fire the suture part 3.

Further, the movable bolt 63 is composed of an outer pulling plate 631, an inner limiting plate 632 and a bolt locking block 633, the outer pulling plate 631 penetrates through the bolt moving groove 15 and is disposed outside the protective case 1, a locking spring 634 is disposed between the bolt locking block 633 and the inner limiting plate 632 for connection, the bolt locking block 633 can move inside the locking block moving groove 16, the locking spring 634 can eject the bolt locking block 633 into the locking groove 17 when the bolt locking block 633 is located above the locking groove 17, and further the movable bolt 63 is locked, so that elastic potential energy accumulated by the firing spring 621 can be stored in a controlled manner, and after the movable bolt 63 is unlocked, the firing spring 621 reacts rapidly to fire.

Further, a buffer spring 71 is arranged at one end of the trigger link 7, one end of the buffer spring 71, which is far away from the trigger link 7, is fixedly connected with the trigger column 623, one end of the trigger link 7, which is far away from the buffer spring 71, is fixedly arranged inside the trigger link fixing groove 523, the trigger link 7 respectively penetrates through the connecting sleeve 2, the first trigger through hole 44, the second trigger through hole 514 and the center inside the third trigger through hole 14, and then the force of the trigger column 623 is buffered by the buffer spring 71 and then is transmitted through the trigger link 7, and the movable staple pushing plate 52 is driven by the trigger link fixing groove 523 to move inside the staple pushing plate moving groove 511, so that the movable staple pushing plate 52 triggers staples arranged in the fixed staple storage 53.

The working principle is as follows: when the movable type suture nail box is used, firstly, the connecting sleeve 2 and the suture part 3 fixedly connected with the connecting sleeve are screwed and fixed through the connecting threaded pipe 12 to tie one end of the connecting threaded pipe 12 of the protective shell 1, whether each part of the linear anastomat can normally run is detected, then the suture part 3 of the linear anastomat is placed in an affected part needing to be sutured through the holding handle 11, a gap between the suture head 4 and the movable type suture nail box 5 is aligned to a part needing to be sutured, and the percussion spring 621 is in a natural state and has zero elastic potential energy, so that the percussion cannot be triggered, and the situation that mistaken percussion is caused in the moving contrast process and unnecessary injury to a patient is caused is prevented.

After the position needing to be sutured is confirmed, the corresponding part of the movable bolt 63 slides in the bolt moving groove 15 by pulling the outer pulling plate 631 of the movable bolt 63 which is positioned at the outer shape of the protective shell 1, in the process of the movement, the bolt locking block 633 moves in the locking block moving groove 16 along with the whole movable bolt 63, the movable bolt 63 drives the firing column 623 to move, the firing column 623 moves to compress the firing spring 621 under the guiding action of the firing spring guiding column 624, so that the firing spring 621 gradually accumulates elastic potential energy, until the bolt locking block 633 is positioned above the locking groove 17, the locking spring 634 is ejected into the locking groove 17, the position of the whole movable bolt 63 is locked, the position of the firing column 623 can be locked, the elastic potential energy accumulated by the firing spring 621 can be stored in a controlled manner, and after the movable bolt 63 is unlocked, the firing spring 621 reacts quickly to fire, thus completing the firing preparation operation.

Then confirming the position needing to be sutured again, sending human tissue into the gap between the suturing head 4 and the movable suturing nail cabin 5 through a tool such as forceps and the like, pressing down the firing trigger 61 by medical staff after confirmation, enabling the firing trigger 61 to move towards the grab handle 11 under the action of the trigger spring 612 by the firing trigger 61 with larger force, providing a feedback for the medical staff, and preventing the medical staff from pressing down the firing trigger 61 by mistake and firing the firing part 6 when the timing is not met.

After the suturing position is confirmed again, the firing trigger 61 is pressed down to rotate around the firing trigger rotating shaft 19, the unlocking bump 611 jacks up the bolt locking block 633 under the action of the locking spring 634, the bolt locking block 633 is sent into the locking block moving groove 16, the locking of the bolt locking block 633 to the whole moving bolt 63 and the firing column 623 is released, the firing spring 621 can rapidly release elastic potential energy to push the firing column 623 to rapidly move, the force of the firing column 623 is buffered through the buffer spring 71 and then is transmitted to the movable suturing nail bin 5 through the firing connecting rod 7, and the movable suturing nail bin 5 moves to perform suturing operation.

The movable nail pushing plate 52 is driven by the trigger connecting rod 7 through the trigger connecting rod fixing groove 523 connected with the movable nail pushing plate to move inside the nail pushing plate moving groove 511, the movable nail pushing plate 52 moves forwards firstly to gradually compress the nail pushing plate spring 524, in the compression process, the nail pushing block 522 slides inside the nail storage device mounting groove 512 to firstly preliminarily compress the sponge nail storage plate 532, a suturing nail part is pushed out of the isosceles trapezoid-shaped nail storage groove 534, the nail pushing plate 531 is pushed out for a certain distance through the nail pushing groove 533, and the suturing nail is bent to a certain degree in the isosceles trapezoid-shaped nail pushing groove 533 and the isosceles trapezoid-shaped nail storage groove 534 and then pierces the part to be sutured.

The nail pushing plate spring 524 pushes the whole movable suturing nail bin 5 to move after being compressed to the shortest state, under the guiding action of the nail bin guide rod 41 and the guide through hole 513, the whole movable suturing nail bin 5 can slide in the suturing head 4, so that the movable suturing nail bin 5 is gradually close to the other end in the suturing head 4 to fix the part to be sutured until the movable suturing nail bin 5 completely compresses the part to be sutured in the suturing head 4, then due to the influence of inertia, the nail bin shell 51 stops moving, the nail pushing block 522 continues to slide in the nail device mounting groove 512, the sponge nail storing plate 532 is compressed again, the suturing nails are completely pushed out of the isosceles trapezoid-shaped nail storing groove 534, and through the isosceles trapezoid-shaped nail pushing groove 533 and the nail storing groove 534, the part to be sutured is punctured after being bent to a certain degree firstly, and finally the nail anvil 43 is bent into an arc shape, and finishing the sewing.

After the suturing is completed, due to the influence of inertia, the nail pushing plate spring 524 and the buffer spring 71 are restored, so that the movable suturing nail bin 5 slides in the direction away from the suturing part inside the suturing head 4, the affected part can be conveniently taken out of the suturing part 3 of the linear anastomat, and the whole linear anastomat is recycled, namely the suturing operation of the affected part is completed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a linear anastomat is sewed up in one shot forming surgery, includes protective housing (1) and adapter sleeve (2), its characterized in that: protective housing (1) with threaded connection between adapter sleeve (2), adapter sleeve (2) keep away from the fixed portion of sewing up (3) that is provided with of one end of protective housing (1), portion of sewing up (3) is including sewing up head (4) and portable nail storehouse of sewing up (5), protective housing (1) internally mounted is provided with percussion portion (6), adapter sleeve (2) inside is provided with percussion connecting rod (7), it is "U" font to sew up head (4) shape, the inside top of sewing up head (4) is provided with nail storehouse guide bar (41), nail anvil mounting groove (42) have been seted up to inside one side of sewing up head (4), nail anvil mounting groove (42) inside fixed nail anvil (43) that is provided with, sewing up head (4) surface is kept away from first percussion through-hole (44) have been seted up to the one end central authorities of nail anvil (43), portable nail storehouse of sewing up (5) includes nail storehouse shell (51), The nail-pushing mechanism comprises a movable nail-pushing plate (52) and a fixed nail storage device (53), a nail-pushing plate movable groove (511) matched with the movable nail-pushing plate (52) is arranged in a nail bin shell (51), a nail storage device mounting groove (512) is arranged on the front surface of the nail bin shell (51), a guide through hole (513) completely penetrating through the nail bin shell (51) is arranged at the top end of the front surface of the nail bin shell (51), a second percussion through hole (514) penetrating through the nail-pushing plate movable groove (511) is arranged on the back surface of the nail bin shell (51), the movable nail-pushing plate (52) consists of a transverse moving block (521) and a nail-pushing block (522), a T-shaped part is formed between the transverse moving block (521) and the nail-pushing block (522), a percussion connecting rod fixing groove (523) is formed in one side of the transverse moving block (521), a nail-pushing plate spring (524) is arranged on one side, far away from the percussion, the fixed nail storage device (53) is composed of a nail discharging plate (531) and a sponge nail storage plate (532).

2. The one-shot surgical suture linear stapler of claim 1, wherein: the movable type suturing nail cabin (5) is arranged on the nail cabin guide rod (41) and under the common limiting effect of the guide through hole (513), the movable type suturing nail cabin (5) is forced to slide inside the suturing head (4), the movable type nail pushing plate (52) is movably arranged inside the nail pushing plate movable groove (511), and the movable type nail pushing plate (52) is connected with the nail pushing plate movable groove (511) through a nail pushing plate spring (524).

3. The one-shot surgical suture linear stapler of claim 2, wherein: nail pushing block (522) stretches into inside storing up nail ware mounting groove (512), nail pushing block (522) are compelled to be in store up nail ware mounting groove (512) inside slip, a plurality of nail pushing grooves (533) have been seted up on play nail board (531), sponge storage nail board (532) go up set up a plurality of with nail storing groove (534) of nail pushing groove (533) one-to-one, nail pushing groove (533) with the cross-section of nail storing groove (534) is isosceles trapezoid.

4. The one-shot surgical suture linear stapler of claim 3, wherein: protective housing (1) lower surface one end is provided with grab handle (11), protective housing (1) is kept away from connecting threaded pipe (12) have been seted up to a side surface of grab handle, percussion portion mounting groove (13) have been seted up to protective housing (1) inside, third percussion through-hole (14) have been seted up to connecting threaded pipe (12) central authorities, bolt shifting chute (15) that run through completely are seted up to protective housing (1) side central authorities, protective housing (1) is inside and is located locking piece shifting chute (16) have been seted up to percussion portion mounting groove (13) below, locking piece shifting chute (16) have been seted up near the one end of grab handle (11) one end and have been locked groove (17), trigger mounting groove (18) have been seted up to protective housing (1) lower surface, trigger pivot (19) are inside to be provided with.

5. The one-shot surgical suture linear stapler of claim 4, wherein: firing portion (6) are including firing trigger (61), spring firing bar (62) and removal bolt (63), firing trigger (61) are installed inside firing trigger mounting groove (18) the firing trigger pivot (19) outside, spring firing bar (62) installation sets up inside firing portion mounting groove (13), it is in to remove bolt (63) activity setting inside bolt shifting chute (15).

6. The one-shot surgical suture linear stapler of claim 5, wherein: the top end of the firing trigger (61) is provided with an unlocking bump (611), one side of the firing trigger (61) close to the grab handle (11) is provided with a trigger spring (612), and the firing trigger (61) can rotate around the firing trigger rotating shaft (19) under the limitation of the trigger spring (612).

7. The one-shot surgical suture linear stapler of claim 6, wherein: the spring firing rod (62) is composed of a firing spring (621), a fixing column (622) and a firing column (623), the fixing column (622) and the firing column (623) are respectively and fixedly arranged at two ends of the firing spring (621), a firing spring guide column (624) is arranged on one side of the fixing column (622) and located inside the firing spring (621), the movable bolt (63) is fixedly sleeved on the firing column (623), and the movable bolt (63) controls the position of the firing column (623).

8. The one-shot surgical suture linear stapler of claim 7, wherein: remove bolt (63) and pull board (631), inside limiting plate (632) and bolt locking block (633) by the outside and constitute, outside pulling board (631) runs through bolt shifting groove (15) and sets up the protective housing (1) outside, bolt locking block (633) with be provided with locking spring (634) between inside limiting plate (632) and connect, bolt locking block (633) can locking block shifting groove (16) is inside to be removed, locking spring (634) can with bolt locking block (633) are located when locking groove (17) top, with bolt locking block (633) bullet locking inside locking groove (17).

9. The one-shot surgical suture linear stapler of claim 8, wherein: trigger connecting rod (7) one end is provided with buffer spring (71), buffer spring (71) are kept away from the one end of trigger connecting rod (7) with it is fixed to connect between trigger post (623), trigger connecting rod (7) are kept away from the fixed setting of one end of buffer spring (71) is in inside trigger connecting rod fixed slot (523), trigger connecting rod (7) run through respectively adapter sleeve (2), first trigger through-hole (44), second trigger through-hole (514) with the inside central authorities of third trigger through-hole (14).