CN116889442A - Electric linear cutting anastomat - Google Patents

Abstract

The application discloses an electric linear cutting anastomat, which relates to the field of anastomat, and comprises an operation part and a head part, wherein the operation part can enable the head part to rotate, the head part comprises a nail bin and a nail supporting seat, the nail bin and the nail supporting seat can clamp human tissues, and a plurality of stitching nails are arranged in the nail bin; a nail pushing component is arranged in the nail bin; the nail pushing assembly can move in the nail bin, a plurality of groups of shielding assemblies are arranged at positions, corresponding to the stitching nails, of the nail bin, and each shielding assembly comprises a trigger rod and a nail pushing block; after the nail bin and the nail supporting seat clamp human tissues, the human tissues move the corresponding trigger rods towards the direction of the nail bin; the trigger lever moves the push block to the staple position. The staple cartridge and the staple abutting seat can not be fired, so that the staple can be prevented from being pushed out of the staple cartridge which does not clamp the human tissue, and the condition that the staple is not stitched on the human tissue but falls into the human body cavity is avoided, thereby ensuring that the anastomat is safer for anastomosis of the human tissue.

Description

Electric linear cutting anastomat

Technical Field

The application relates to the field of anastomat, in particular to an electric linear cutting anastomat.

Background

Anastomat is a device used in medicine to replace traditional manual suturing. The principle of the anastomat is similar to that of a stapler, namely a plurality of small titanium nails are arranged into 2 circles (or 2 rows) on a special instrument according to a certain interval, two feet of the excited titanium nails are closed, so that two sections of intestinal tracts are connected, and meanwhile, a circle of small blades are arranged between the 2 circles of titanium nails, so that mucous membrane can be cut off between the 2 circles, and anastomosis is completed.

The linear cutting anastomat is provided with a wide front end opening of the nail box, so that the tissue is convenient to be accommodated; the stapler has 6 rows of staples, the cutter blades are arranged in the staple box, and the cutter blades cut the tissue from the middle during stapling, so that the 3 rows of staples on two sides can finish the functions of stapling, hemostasis and the like, some of the staples can not change direction, some of the staples can be used with the stapler in the endoscope cavity, the direction can be changed, and the operation is more flexible in a narrow operation space.

Chinese patent CN101999916B discloses a laparoscopic surgical cutting stapler with an elastic collar, comprising a stapler body, an actuating head, an extension tube connecting the stapler body and the actuating head, an operating mechanism controlling the action of the actuating head; the actuating head consists of an actuating frame, a slide bar, a nail bin and a nail anvil, wherein the slide bar, the nail bin and the nail anvil are arranged on the actuating frame, and the nail anvil can rotate relative to the nail bin; an elastic collar is wrapped on the periphery of the proximal end of the execution rack, and the edge of the distal end of the elastic collar is clung to the edge of the proximal end of the nail anvil; when the nail anvil rotates to be in an open state relative to the nail bin, the elastic collar is elastically deformed under the compression of the nail anvil, and the edge of the far end of the elastic collar is kept close to the edge of the near end of the nail anvil; when the nail anvil rotates to be in a closed state relative to the nail bin, the edge at the far end of the elastic collar is restored to be in a state of being clung to the edge at the near end of the nail anvil, so that the technical effects of reducing the difficulty in processing and assembling all parts in the execution head and the product cost can be achieved, and meanwhile, the nail anvil is more convenient to use.

The above-mentioned patents and prior art also have the following drawbacks:

when the existing anastomat is used for shooting the staples, the staples can be shot at the whole time, and when the stapling is carried out in the human body cavity, the parts, which are not clamped with human tissues, between the staple bin and the staple supporting seat can be shot, the staples can fall into the body cavity, titanium alloy which is used in the market for a large number and cannot cause rejection of the human body can be used, but discomfort of the human body can be increased, and the staples are wasted, so that the cost is increased.

Disclosure of Invention

The application aims to provide an electric linear cutting anastomat, which prevents a stitching nail of a portion, which is not clamped by a nail bin and a nail abutting seat, of human tissue from being fired, prevents the stitching nail from being pushed out of the stitching nail of the portion, which is not clamped by the human tissue, and prevents the stitching nail from falling into a human body cavity due to the fact that the stitching nail is not stitched on the human tissue, so that the anastomat is safer for anastomosis of the human tissue.

In order to achieve the above purpose, the present application provides the following technical solutions: an electric linear cutting anastomat comprises an operation part and a head part, wherein the operation part can enable the head part to rotate, the head part comprises a nail bin and a nail propping seat, the nail bin and the nail propping seat can clamp human tissues, and a plurality of stitching nails are arranged in the nail bin; a nail pushing assembly is arranged in the nail bin; the nail pushing assembly can move in the nail bin;

the nail bin is provided with a plurality of groups of shielding assemblies corresponding to the positions of the staples, and the shielding assemblies comprise trigger rods and staple pushing blocks; after the nail bin and the nail supporting seat clamp human tissues, the human tissues move the corresponding trigger rods towards the direction of the nail bin; the trigger rod moves the nail pushing block to the position of the stitching nail; pushing the staples out of the staple cartridge while moving the staple pusher assembly within the staple cartridge; the staple abutment is configured to bend the staple end pushed out of the staple cartridge.

The operation part is connected with the head through the connecting part, a certain angle is formed between the nail pushing seat and the nail bin, the nail pushing seat and the nail bin are placed on two sides of human tissues, the nail pushing seat is closed with the nail bin, the nail pushing seat and the nail bin clamp human tissues, the operation part is in the prior art, the human tissues push the trigger rod to move towards the inside of the nail bin, the trigger rod drives the nail pushing block to move, the nail pushing block is enabled to move to the corresponding nail position, when the nail pushing assembly moves in the nail bin, the nail pushing assembly can push the nail out of the nail bin through the nail pushing block, the part, which is not clamped with tissues, between the nail pushing seat and the nail bin can not be moved, the nail pushing block can not move to the nail position, and when the nail pushing assembly moves in the nail bin, the nail pushing assembly does not contact the nail pushing block and the nail, and the part, which is not clamped with tissues, between the nail pushing seat and the nail bin can not push the nail.

By arranging the trigger rod beside the stitching instrument, when the position corresponding to the stitching instrument clamps human tissues through the stitching instrument bin and the abutting instrument seat, the trigger rod is pushed by the human tissues and drives the pushing instrument block to move to the stitching instrument position, so that the corresponding stitching instrument is pushed out of the stitching instrument bin through the pushing instrument block, when the trigger rod corresponding to the stitching instrument is not pushed by the human tissues, the pushing instrument block cannot move to the corresponding stitching instrument position, so that the stitching instrument cannot be pushed out of the stitching instrument bin when the pushing instrument block moves in the stitching instrument bin, the stitching instrument of the stitching instrument bin and the abutting instrument seat, which is not clamped by the human tissues, cannot be fired, the stitching instrument is prevented from being pushed out of the stitching instrument bin which is not clamped by the human tissues, and the stitching instrument is prevented from falling down in the human body cavity, so that the stitching instrument is safer for the stitching of the human tissues.

Preferably, the shielding assembly further comprises a track groove, a sliding plate and a sliding sleeve, when the trigger rod moves into the nail bin, the sliding sleeve can be driven to move along the track groove, and the track groove is obliquely arranged; the sliding sleeve drives the sliding plate to horizontally move, and the sliding plate is in sliding fit in the sliding sleeve; the sliding plate drives the nail pushing block to move to the position of the stitching nail; when the nail pushing assembly moves in the nail bin, the nail pushing block can be pushed to move towards the direction of the nail, and the nail is pushed out of the nail bin.

When the stitching nail is pushed by human tissues to move, the stitching nail drives the sliding sleeve to move upwards, the sliding sleeve moves along the track groove while moving upwards, so that the sliding sleeve moves obliquely, the sliding sleeve drives the sliding plate to move horizontally, and the sliding plate drives the stitching nail pushing block to move horizontally, so that the stitching nail pushing block moves to the corresponding stitching nail position.

Preferably, the sliding plate is connected with the nail pushing block through a connecting component, the connecting component comprises a moving plate, a fixed plate and a return spring, one end of the sliding plate is fixedly arranged on the moving plate, and the fixed plate is fixedly arranged on the moving plate; the moving plate is provided with a connecting hole corresponding to the position of the nail pushing block, and the nail pushing block is in sliding fit in the connecting hole; the nail pushing block is close to one end of the stitching nail, a nail pushing plate is fixedly arranged at one end of the stitching nail, the reset spring is fixedly arranged on the fixed plate, a through hole is formed in the movable plate corresponding to the position of the reset spring, and the reset spring penetrates through the through hole and is fixedly arranged on the nail pushing plate.

The movable plate is driven to move when the sliding plate moves, the nail pushing block is in sliding fit on the movable plate, the nail pushing assembly can push the nail pushing block to move on the movable plate when moving in the nail bin, the nail pushing block drives the nail pushing plate to move, the nail pushing plate drives the reset spring to move, the reset spring stores force, and when the nail pushing block is not pushed by the nail pushing assembly, the reset spring resets to drive the nail pushing plate to reset, and the nail pushing plate drives the nail pushing block to reset.

Preferably, the trigger rod is close to the one end fixed mounting who removes the board has the push plate, the push plate is close to the one end fixed mounting who slides the sleeve has the baffle, the guide slot has been seted up on the baffle, fixed mounting has the guide block on the slide sleeve, guide block sliding fit is in the guide slot.

When the trigger rod is pushed to move, the push plate is driven to move, and the push plate drives the sliding sleeve to move, so that the sliding sleeve drives the nail pushing plate to move to the corresponding position of the stitching nail

Preferably, a plurality of stabilizing assemblies are connected to positions of the corresponding shielding assemblies in the nail bin, each stabilizing assembly comprises a stabilizing plate, a stabilizing groove and a stabilizing block, the stabilizing plates are fixedly installed in the nail bin, and the stabilizing blocks are fixedly installed on one side, close to the stabilizing plates, of the nail pushing blocks; when the nail pushing block moves to the position corresponding to the stitching nail, the stabilizing block moves into the stabilizing groove.

When the nail pushing assembly pushes the nail pushing block to move, the stabilizing block moves synchronously with the nail pushing block in the stabilizing groove, so that the nail pushing block moves more stably.

Preferably, a connecting plate is fixedly arranged in the nail bin, the track groove is formed in the connecting plate, a track block is fixedly arranged on the sliding sleeve, and the track block is in sliding fit in the track groove; the connecting plate is provided with a moving groove, a moving block is fixedly arranged on the guide plate corresponding to the position of the moving groove, and the moving block is in sliding fit in the moving groove.

The movable groove is vertically formed in the connecting plate, and the guide plate is pushed by the pushing plate, so that the guide plate moves vertically along the connecting plate, limit is added to the guide plate, and the guide plate is firmer.

Preferably, a stable sleeve is fixedly installed in the nail bin, the trigger rod penetrates through the stable sleeve and is in sliding fit with the stable sleeve, a connecting tension spring is fixedly installed at one end, close to the pushing plate, of the stable sleeve, and the other end of the connecting tension spring is fixedly installed on the pushing plate.

The firm sleeve cover is established on the trigger lever, with trigger lever sliding fit, makes the trigger lever more firm when removing, is difficult for the slope, and when the trigger lever drove the flitch and removes, the flitch drove the one end of connecting the extension spring and remove, makes the extension spring hold the power, and after the pressure that the trigger lever received disappeared, the extension spring was connected and the extension spring resets to drive the trigger lever through the flitch and reset.

Preferably, the nail pushing assembly comprises a connecting block, a pushing rod and a plurality of pushing pieces, the operating part can drive the pushing rod to move, the connecting block is fixedly arranged on the pushing rod, the pushing pieces are fixedly arranged at the positions, corresponding to the stitching nails, of the connecting block, and the stitching nails are arranged in the stitching nails in a rectangular array.

The operation portion drives the push rod to move to the prior art, and not much description is made here, the push rod drives the push piece to move, the push rod drives the connecting block to move, the connecting block drives the push piece to move, the push piece and the push nail block are trapezoidal setting, just the push piece is mutually supported with the push nail block, the push piece is in the removal in-process, the push nail block that corresponds the staple position contacts with the trapezoidal inclined plane of push piece in proper order in the removal of push piece to move to the staple direction under the trapezoidal inclined plane effect of push piece, the push nail block is ejecting the staple.

Preferably, a nail clamping block is arranged at one end of the stitching nail, which is close to the nail pushing block, a nail clamping groove is formed in the nail clamping block, the groove walls at two sides of the nail clamping groove can be elastically deformed, and the stitching nail is arranged in the nail clamping groove.

The pushing piece pushes the nail pushing block to move, the nail pushing block is abutted against the nail clamping block and pushes the nail clamping block to move, the nail clamping block clamps the stitching nails to drive the stitching nails to move synchronously, the stitching nails are enabled to move out of the nail bin, the nail clamping block can be elastically deformed under the action of external force, the stitching nails can be separated from the nail clamping block to stitch human tissues, and the stitching nails can be replaced and supplemented.

Preferably, the inside cavity setting that is of nail storehouse, push away nail subassembly, shielding component and staple all set up in the nail storehouse, a plurality of play nail hole has been seted up to the nail storehouse one side that is close to the nail seat, just go out the nail hole and be located the staple position, it is close to the nail seat a plurality of closed groove has been seted up to one side of nail storehouse, a plurality of the tank bottom of closed groove is the arc setting, the both sides pore wall fixed mounting of play nail hole has the silica gel piece, the silica gel piece with the staple offsets.

The clamp splice piece drives the staple and removes outside the nail storehouse through going out the nail hole, and the staple is the U, and the both ends of staple run through human tissue and get into the closed inslot on supporting the nail seat to under the bottom surface radian effect of closed inslot, the both ends of staple are inwards crooked, stitch human tissue, go out the inside frictional force that sets up between silica gel piece can increase and staple in the both sides of nail hole, and exert certain pressure to the staple, make the staple be difficult for breaking away from the nail storehouse when not receiving thrust.

In summary, the application has the technical effects and advantages that:

1. the application has reasonable structure, when the corresponding position of the suture nail clamps the human tissue through the nail bin and the nail propping seat, the trigger rod is pushed by the human tissue and drives the nail pushing block to move to the position of the suture nail, so that the nail pushing component pushes the corresponding suture nail out of the nail bin through the nail pushing block, when the corresponding trigger rod of the suture nail is not pushed by the human tissue, the nail pushing block cannot move to the position of the corresponding suture nail, when the nail pushing component moves in the nail bin, the suture nail of the part of the human tissue which is not clamped by the nail bin and the nail propping seat cannot be triggered, the suture nail is prevented from being pushed out of the nail bin of the part of the human tissue which is not clamped, and the condition that the suture nail is not stitched on the human tissue but falls down in the human body cavity is avoided, thereby ensuring that the anastomat is safer for the anastomosis of the human tissue;

2. according to the application, the nail clamping block drives the stitching nails to move out of the nail bin through the nail outlet holes, two end parts of the stitching nails penetrate through human tissues and enter the closed grooves on the nail supporting seat, and under the effect of the radian of the bottom surfaces of the closed grooves, the two end parts of the stitching nails are inwards bent to stitch the human tissues, and the two inner sides of the two sides of the nail outlet holes are arranged on the silica gel block, so that friction force between the silica gel block and the stitching nails can be increased, and a certain pressure is applied to the stitching nails, so that the stitching nails are not easy to separate from the nail bin when the stitching nails are not pushed.

Drawings

In order to more clearly illustrate the embodiments of the application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the application and that other drawings can be obtained from them without inventive effort for a person skilled in the art.

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

FIG. 2 is a schematic view of the structure of the operation part in the present application;

FIG. 3 is a schematic view of the structure of the head part in the present application;

FIG. 4 is a schematic view of the structure of the cartridge of the present application;

FIG. 5 is a schematic view of the structure of the staple and staple ejection holes of the present application;

FIG. 6 is a schematic view of the structure of the push pin assembly of the present application;

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

FIG. 8 is a schematic view of the structure of the trigger lever and staple pusher assembly of the present application;

FIG. 9 is a schematic view of the structure of the push pin block of the present application;

FIG. 10 is a schematic view of the structure of portion B of FIG. 9 in accordance with the present application;

FIG. 11 is a schematic view of the structure of the staple block and the pusher block of the present application;

FIG. 12 is a schematic view of the structure of portion C of FIG. 11 in accordance with the present application;

FIG. 13 is a schematic view of the structure of portion D of FIG. 11 according to the present application;

FIG. 14 is a schematic view of the structure of the staples, the connecting plates, the staple blocks and the push blocks of the present application;

fig. 15 is a schematic structural view of the portion E in fig. 14 according to the present application.

In the figure: 1. an operation unit; 2. a head; 21. a staple cartridge; 22. a nail supporting seat; 3. stitching nails; 4. a shielding assembly; 41. a trigger lever; 42. a nail pushing block; 43. a track groove; 44. a sliding plate; 45. a sliding sleeve; 46. a nail pushing plate; 5. a staple pushing assembly; 51. a connecting block; 52. a push rod; 53. a pushing member; 6. a connection assembly; 61. a moving plate; 62. a fixing plate; 63. a return spring; 7. a stabilizing assembly; 71. a stabilizing plate; 72. a stabilizing groove; 73. a stabilizing block; 8. a pushing plate; 9. a guide plate; 10. a guide groove; 11. a guide block; 12. a connecting plate; 13. a track block; 14. a moving groove; 15. a moving block; 16. stabilizing the sleeve; 17. connecting a tension spring; 18. a nail clamping block; 19. and (5) discharging the nail hole.

Detailed Description

The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

Examples: referring to fig. 1-7, an electric linear cutting anastomat comprises an operation part 1 and a head part 2, wherein the operation part 1 can enable the head part 2 to rotate in the direction, the head part 2 comprises a nail bin 21 and a nail supporting seat 22, the nail bin 21 and the nail supporting seat 22 can clamp human tissues, and a plurality of stitching nails 3 are arranged in the nail bin 21; a nail pushing component 5 is arranged in the nail bin 21; the staple pushing assembly 5 is movable within the staple cartridge 21;

the nail bin 21 is provided with a plurality of groups of shielding assemblies 4 corresponding to the positions of the staples 3, and the shielding assemblies 4 comprise a trigger rod 41 and a staple pushing block 42; after the nail bin 21 and the nail abutting seat 22 clamp human tissues, the human tissues move the corresponding trigger rods 41 towards the direction of the nail bin 21; the trigger lever 41 moves the push pin block 42 to the position of the stitching nail 3; when the staple pushing assembly 5 moves in the staple cartridge 21, the staples 3 are pushed out of the staple cartridge 21; the staple holder 22 is configured to bend the end of the staples 3 pushed out of the cartridge 21.

The operation part 1 is connected with the head part 2 through the connecting part, the nail propping seat 22 can rotate to form a certain angle with the nail bin 21, the nail propping seat 22 and the nail bin 21 are placed on two sides of human tissues, the nail propping seat 22 rotates to be closed with the nail bin 21, the nail propping seat 22 and the nail bin 21 clamp human tissues, in the prior art, the human tissues push the trigger rod 41 to move towards the inside of the nail bin 21, the trigger rod 41 drives the nail pushing block 42 to move, the nail pushing block 42 moves to the corresponding position of the nail 3, when the nail pushing assembly 5 moves in the nail bin 21, the nail 3 can be pushed out of the nail bin 21 through the nail pushing block 42, the part, which is not clamped with tissues, between the nail propping seat 22 and the nail bin 21 can not move, the corresponding trigger rod 41 can not move, the nail pushing assembly 5 does not contact with the nail pushing block 42 and the nail 3 when the nail bin 21 moves in the nail bin 21, and the part, which is not clamped with tissues, between the nail propping seat 22 and the nail bin 21 can not push out the nail 3.

By arranging the trigger rod 41 beside the stitching instrument 3, when the stitching instrument 3 clamps human tissues through the stitching instrument bin 21 and the abutting seat 22 at the corresponding position, the trigger rod 41 is pushed by the human tissues and drives the pushing block 42 to move to the position of the stitching instrument 3, so that the stitching instrument assembly 5 pushes the corresponding stitching instrument 3 out of the stitching instrument bin 21 through the pushing block 42, when the stitching instrument 3 is not pushed by the human tissues, the pushing block 42 cannot move to the position corresponding to the stitching instrument 3, so that the stitching instrument assembly 5 moves in the stitching instrument bin 21, the stitching instrument 3 cannot be pushed out of the stitching instrument bin 21, the stitching instrument 3 of the portion, which is not clamped by the stitching instrument bin 21 and the abutting seat 22, of the human tissues cannot be shot, the stitching instrument 3 is prevented from being pushed out of the stitching instrument bin 21 of the portion, and the stitching instrument 3 is prevented from not being stitched on the human tissues, and falling down in the human body, and the stitching instrument is safer for the human tissues.

Further, referring to fig. 4, 5 and 10, the shielding assembly 4 further includes a track groove 43, a sliding plate 44 and a sliding sleeve 45, when the trigger rod 41 moves into the nail bin 21, the sliding sleeve 45 can be driven to move along the track groove 43, and the track groove 43 is obliquely arranged; the sliding sleeve 45 drives the sliding plate 44 to horizontally move, and the sliding plate 44 is in sliding fit in the sliding sleeve 45; the sliding plate 44 drives the nail pushing block 42 to move to the position of the stitching nail 3; when the staple pusher assembly 5 moves in the staple cartridge 21, the staple pusher block 42 can be pushed to move in the direction of the staples 3, and the staples 3 can be pushed out of the staple cartridge 21.

When the staples 3 are pushed to move by human tissues, the staples 3 drive the sliding sleeve 45 to move upwards, the sliding sleeve 45 moves along the track groove 43 while moving upwards, so that the sliding sleeve 45 moves obliquely, the sliding sleeve 45 drives the sliding plate 44 to move horizontally, and the sliding plate 44 drives the staple pushing block 42 to move horizontally, so that the staple pushing block 42 moves to the position corresponding to the staples 3.

Further, referring to fig. 9 to 12, the sliding plate 44 is connected to the push pin block 42 through the connection assembly 6, the connection assembly 6 includes a moving plate 61, a fixed plate 62 and a return spring 63, one end of the sliding plate 44 is fixedly mounted on the moving plate 61, and the fixed plate 62 is fixedly mounted on the moving plate 61; the moving plate 61 is provided with a connecting hole corresponding to the position of the nail pushing block 42, and the nail pushing block 42 is in sliding fit in the connecting hole; the nail pushing plate 46 is fixedly arranged at one end of the nail pushing block 42 close to the stitching nail 3, the reset spring 63 is fixedly arranged on the fixed plate 62, a through hole is formed in the moving plate 61 corresponding to the position of the reset spring 63, and the reset spring 63 penetrates through the through hole and is fixedly arranged on the nail pushing plate 46.

The sliding plate 44 drives the moving plate 61 to move when moving, the nail pushing block 42 is in sliding fit on the moving plate 61, so that the nail pushing block 42 can be pushed to move on the moving plate 61 when the nail pushing assembly 5 moves in the nail bin 21, the nail pushing block 42 drives the nail pushing block 46 to move, the nail pushing block 46 drives the reset spring 63 to move, the reset spring 63 stores the force, and when the nail pushing block 42 is not pushed by the nail pushing assembly 5, the reset spring 63 resets to drive the nail pushing block 46 to reset, and the nail pushing block 42 is driven to reset by the nail pushing block 46.

Further, referring to fig. 11 and 13, a pushing plate 8 is fixedly mounted at one end of the trigger lever 41 close to the moving plate 61, a guide plate 9 is fixedly mounted at one end of the pushing plate 8 close to the sliding sleeve 45, a guide groove 10 is formed in the guide plate 9, a guide block 11 is fixedly mounted on the sliding sleeve 45, and the guide block 11 is in sliding fit in the guide groove 10.

When the trigger lever 41 is pushed to move, the push plate 8 is driven to move, the push plate 8 drives the sliding sleeve 45 to move, and the sliding sleeve 45 drives the staple pushing plate 46 to move to the position corresponding to the staples 3

Further, referring to fig. 4, 7, 8 and 11, a plurality of stabilizing assemblies 7 are connected to positions of the nail bin 21 corresponding to the shielding assemblies 4, the stabilizing assemblies 7 comprise stabilizing plates 71, stabilizing grooves 72 and stabilizing blocks 73, the stabilizing plates 71 are fixedly installed in the nail bin 21, and the stabilizing blocks 73 are fixedly installed on one side, close to the stabilizing plates 71, of the nail pushing blocks 42; when the push block 42 is moved to the position corresponding to the staples 3, the stabilizing block 73 is moved into the stabilizing groove 72.

When the nail pushing assembly 5 pushes the nail pushing block 42 to move, the stabilizing block 73 moves in the stabilizing groove 72 synchronously with the nail pushing block 42, so that the nail pushing block 42 moves more stably.

Further, referring to fig. 4, 7, 10 and 15, the connecting plate 12 is fixedly installed in the nail bin 21, the track groove 43 is formed on the connecting plate 12, the track block 13 is fixedly installed on the sliding sleeve 45, and the track block 13 is in sliding fit in the track groove 43; the connecting plate 12 is provided with a moving groove 14, the guide plate 9 is fixedly provided with a moving block 15 corresponding to the moving groove 14, and the moving block 15 is in sliding fit in the moving groove 14.

The moving groove 14 is vertically formed on the connecting plate 12, and the guide plate 9 is pushed by the pushing plate 8, so that the guide plate 9 moves vertically along the connecting plate 12, and the limit is added to the guide plate 9, so that the guide plate 9 is more stable.

Further, referring to fig. 4, 9 and 15, a fixing sleeve 16 is fixedly installed in the nail bin 21, a trigger rod 41 penetrates through the fixing sleeve 16 and is in sliding fit with the fixing sleeve 16, a connecting tension spring 17 is fixedly installed at one end, close to the pushing plate 8, of the fixing sleeve 16, and the other end of the connecting tension spring 17 is fixedly installed on the pushing plate 8.

The firm sleeve 16 is sleeved on the trigger rod 41 and is in sliding fit with the trigger rod 41, so that the trigger rod 41 is firmer and not easy to incline when moving, when the trigger rod 41 drives the pushing plate 8 to move, the pushing plate 8 drives one end of the connecting tension spring 17 to move, the connecting tension spring 17 stores force, and when the pressure born by the trigger rod 41 disappears, the connecting tension spring 17 resets and the trigger rod 41 is driven to reset through the pushing plate 8.

Further, referring to fig. 1, 5, 6 and 8, the staple pushing assembly 5 includes a connection block 51, a pushing rod 52 and a plurality of pushing members 53, the operation portion 1 is capable of driving the pushing rod 52 to move, the connection block 51 is fixedly mounted on the pushing rod 52, the plurality of pushing members 53 are fixedly mounted at positions of the connection block 51 corresponding to the staples 3, and the plurality of staples 3 are arranged in a rectangular array in the staple cartridge 21.

The operation part 1 drives the push rod 52 to move to the prior art, not described in more detail herein, the push rod 52 drives the push piece 53 to move, the push rod 52 drives the connecting block 51 to move, the connecting block 51 drives the push piece 53 to move, the push piece 53 and the push nail block 42 are both in trapezoid arrangement, the push piece 53 and the push nail block 42 are mutually matched, the push piece 53 sequentially contacts with trapezoid inclined planes of the push piece 53 in the moving process of the push piece 53 corresponding to the position of the suture nail 3, and moves towards the direction of the suture nail 3 under the action of the trapezoid inclined planes of the push piece 53, and the push nail block 42 pushes the suture nail 3 out of the nail bin 21.

Further, referring to fig. 9, a staple block 18 is provided at one end of the staple 3 adjacent to the staple pushing block 42, a staple clamping groove is provided on the staple block 18, two side groove walls of the staple clamping groove can be elastically deformed, and the staple 3 is disposed in the staple clamping groove.

The pushing piece 53 pushes the nail pushing block 42 to move, so that the nail pushing block 42 abuts against the nail clamping block 18 and pushes the nail clamping block 18 to move, the nail clamping block 18 clamps the nail 3 to drive the nail 3 to synchronously move, the nail 3 moves out of the nail bin 21, the nail clamping block 18 can be elastically deformed under the action of external force, the nail 3 can be separated from the nail clamping block 18 to stitch human tissues, and the nail 3 can be replaced and supplemented.

Further, referring to fig. 3-7, the inside of the nail bin 21 is hollow, the nail pushing assembly 5, the shielding assembly 4 and the stitching nails 3 are all arranged in the nail bin 21, one side of the nail bin 21, which is close to the nail supporting seat 22, is provided with a plurality of nail outlet holes 19, the nail outlet holes 19 are positioned at the stitching nails 3, one side of the nail supporting seat 22, which is close to the nail bin 21, is provided with a plurality of closed grooves, the bottoms of the plurality of closed grooves are arc-shaped, the wall of the two sides of the nail outlet holes 19 is fixedly provided with silica gel blocks, and the silica gel blocks are propped against the stitching nails 3.

The clamp splice 18 drives the stitching nail 3 to move to the outside of the nail bin 21 through the nail outlet 19, the stitching nail 3 is U-shaped, two end parts of the stitching nail 3 penetrate through human tissues to enter a closed groove on the nail supporting seat 22, the two end parts of the stitching nail 3 are inwards bent under the action of the radian of the bottom surface of the closed groove to stitch the human tissues, the two inner sides of the nail outlet 19 are arranged on the silica gel block to increase the friction force between the silica gel block and the stitching nail 3, and certain pressure is applied to the stitching nail 3, so that the stitching nail 3 is not easy to separate from the nail bin 21 when not being pushed.

The working principle of the application is as follows: when the nail bin 21 and the nail propping seat 22 are in an open state at a certain angle, the nail pushing block 42 is positioned beside the stitching nail 3, when the nail bin 21 and the nail propping seat 22 clamp human tissues at a rotating angle, part of the trigger rod 41 on the nail bin 21 props against the human tissues, the trigger rod 41 is moved towards the inside of the nail bin 21 under the clamping force and the pressure of the human tissues, the trigger rod 41 drives the nail pushing plate 46 to move, the pushing plate 8 drives the guide plate 9 to move in the vertical direction, the guide plate 9 drives the sliding sleeve 45 to move, the sliding sleeve 45 moves obliquely in the track groove 43, the sliding sleeve 45 is in sliding fit on the guide plate 9, the sliding sleeve 45 is in sliding fit on the sliding plate 44 and drives the sliding plate 44 to move horizontally, the sliding plate 44 drives the moving plate 61 to move horizontally, the moving plate 61 drives the nail pushing block 42 and the nail pushing plate 46 to move to the position corresponding to the stitching nail 3, in particular to one end of the stitching nail 3 far away from the nail propping seat 22, at this time, the pushing member 53 moves in the nail bin 21, the pushing member 53 abuts against the nail pushing block 42 and pushes the pushing member 53 to the outside of the nail bin 21 under the action of the inclined plane, the nail pushing block 42 drives the nail pushing plate 46 to move, the nail pushing plate 46 abuts against the nail clamping block 18 to push the nail clamping block 18 to move, the nail clamping block 18 drives the nail 3 to move from the nail outlet 19 to the outside of the nail bin 21, two ends of the nail 3 penetrate through human tissues to enter a closed groove on the nail supporting seat 22 and bend inwards under the action of an arc bottom surface of the closed groove, the human tissues are sutured, the trigger rod 41 which does not clamp a part of the human tissues between the nail bin 21 and the nail supporting seat 22 is not pushed, the nail pushing block 42 is always located beside the nail 3, and when the pushing member 53 moves in the nail bin 21, the nail pushing plate 46 does not contact with the nail pushing block 42, and therefore the nail 3 cannot be pushed out of the nail bin 21.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present application, and although the present application has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present application.

Claims (10)

1. An electric linear cutting stapler, comprising an operating portion (1) and a head portion (2), characterized in that: the operation part (1) can enable the head part (2) to rotate in the direction, the head part (2) comprises a nail bin (21) and a nail propping seat (22), the nail bin (21) and the nail propping seat (22) can clamp human tissues, and a plurality of staples (3) are arranged in the nail bin (21); a nail pushing assembly (5) is arranged in the nail bin (21); the staple pushing assembly (5) can move in the staple bin (21);

the nail bin (21) is provided with a plurality of groups of shielding assemblies (4) corresponding to the positions of the staples (3), and the shielding assemblies (4) comprise trigger rods (41) and staple pushing blocks (42); after the nail bin (21) and the nail abutting seat (22) clamp human tissues, the human tissues move the corresponding trigger rod (41) towards the direction of the nail bin (21); the trigger rod (41) moves the nail pushing block (42) to the position of the stitching nail (3); -pushing the staples (3) out of the cartridge (21) while moving the staple pushing assembly (5) within the cartridge (21); the staple abutment (22) is configured to bend an end of the staples (3) pushed out of the staple cartridge (21).

2. The electric linear cutting stapler of claim 1, wherein: the shielding assembly (4) further comprises a track groove (43), a sliding plate (44) and a sliding sleeve (45), when the trigger rod (41) moves into the nail bin (21), the sliding sleeve (45) can be driven to move along the track groove (43), and the track groove (43) is obliquely arranged; the sliding sleeve (45) drives the sliding plate (44) to horizontally move, and the sliding plate (44) is in sliding fit in the sliding sleeve (45); the sliding plate (44) drives the nail pushing block (42) to move to the position of the stitching nail (3); when the nail pushing assembly (5) moves in the nail bin (21), the nail pushing block (42) can be pushed to move towards the direction of the stitching nails (3), and the stitching nails (3) are pushed out of the nail bin (21).

3. An electric linear cutting stapler according to claim 2, wherein: the sliding plate (44) is connected with the nail pushing block (42) through a connecting component (6), the connecting component (6) comprises a moving plate (61), a fixed plate (62) and a return spring (63), one end of the sliding plate (44) is fixedly arranged on the moving plate (61), and the fixed plate (62) is fixedly arranged on the moving plate (61); the moving plate (61) is provided with a connecting hole corresponding to the position of the nail pushing block (42), and the nail pushing block (42) is in sliding fit in the connecting hole; the nail pushing block (42) is fixedly provided with a nail pushing plate (46) at one end close to the stitching nail (3), the reset spring (63) is fixedly arranged on the fixed plate (62), a through hole is formed in the movable plate (61) corresponding to the reset spring (63), and the reset spring (63) penetrates through the through hole and is fixedly arranged on the nail pushing plate (46).

4. An electric linear cutting stapler according to claim 3, wherein: the trigger rod (41) is close to one end fixed mounting who removes board (61) has catch plate (8), catch plate (8) are close to one end fixed mounting who slides sleeve (45) has baffle (9), guide slot (10) have been seted up on baffle (9), fixed mounting has guide block (11) on slide sleeve (45), guide block (11) sliding fit is in guide slot (10).

5. An electric linear cutting stapler according to claim 2, wherein: a plurality of stabilizing assemblies (7) are connected to positions, corresponding to the shielding assemblies (4), in the nail bin (21), the stabilizing assemblies (7) comprise stabilizing plates (71), stabilizing grooves (72) and stabilizing blocks (73), the stabilizing plates (71) are fixedly installed in the nail bin (21), and the stabilizing blocks (73) are fixedly installed on one side, close to the stabilizing plates (71), of the nail pushing blocks (42); when the push pin block (42) moves to a position corresponding to the stitching pin (3), the stabilizing block (73) moves into the stabilizing groove (72).

6. The electric linear cutting stapler of claim 4, wherein: a connecting plate (12) is fixedly arranged in the nail bin (21), the track groove (43) is formed in the connecting plate (12), a track block (13) is fixedly arranged on the sliding sleeve (45), and the track block (13) is in sliding fit in the track groove (43); the connecting plate (12) is provided with a moving groove (14), a moving block (15) is fixedly arranged on the guide plate (9) corresponding to the position of the moving groove (14), and the moving block (15) is in sliding fit in the moving groove (14).

7. The electric linear cutting stapler of claim 4, wherein: the nail bin (21) is internally and fixedly provided with a stable sleeve (16), the trigger rod (41) penetrates through the stable sleeve (16) and is in sliding fit with the stable sleeve (16), one end, close to the pushing plate (8), of the stable sleeve (16) is fixedly provided with a connecting tension spring (17), and the other end of the connecting tension spring (17) is fixedly arranged on the pushing plate (8).

8. The electric linear cutting stapler of claim 1, wherein: the nail pushing assembly (5) comprises a connecting block (51), a pushing rod (52) and a plurality of pushing pieces (53), the operation part (1) can drive the pushing rod (52) to move, the connecting block (51) is fixedly installed on the pushing rod (52), the pushing pieces (53) are fixedly installed at positions, corresponding to the connecting block (51), of the stitching nails (3), and the stitching nails (3) are arranged in the stitching nail bin (21) in a rectangular array.

9. The electric linear cutting stapler of claim 1, wherein: the utility model discloses a nail pushing device, including nail pushing block (42) and staple (3), the one end that is close to nail pushing block (42) of staple (3) is provided with clamp splice (18), the clamp splice groove has been seted up on clamp splice (18), elastic deformation can take place for the both sides cell wall in clamp splice groove, staple (3) set up in the clamp splice groove.

10. The electric linear cutting stapler of claim 1, wherein: the inside cavity that is of nail storehouse (21) sets up, push away nail subassembly (5), shielding subassembly (4) and staple (3) all set up in nail storehouse (21), a plurality of play nail hole (19) have been seted up to one side that nail storehouse (21) are close to nail seat (22), just play nail hole (19) are located staple (3) position, it is close to nail seat (22) a plurality of closed groove has been seted up to one side of nail storehouse (21), a plurality of the tank bottom of closed groove is the arc setting, the both sides pore wall fixed mounting of play nail hole (19) has the silica gel piece, the silica gel piece with staple (3) offset.