CN114081558B - Linear type electric anastomat capable of preventing tissue wrinkles - Google Patents
Linear type electric anastomat capable of preventing tissue wrinkles Download PDFInfo
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- CN114081558B CN114081558B CN202111338622.1A CN202111338622A CN114081558B CN 114081558 B CN114081558 B CN 114081558B CN 202111338622 A CN202111338622 A CN 202111338622A CN 114081558 B CN114081558 B CN 114081558B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
- A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
- A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
- A61B2017/07214—Stapler heads
- A61B2017/07257—Stapler heads characterised by its anvil
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
- A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
- A61B2017/07214—Stapler heads
- A61B2017/07271—Stapler heads characterised by its cartridge
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Abstract
The invention relates to the technical field of anastomat and discloses a linear electric anastomat for preventing tissue folds, which comprises a handle and a smoothing component, wherein the smoothing component is connected with a transmission component and is used for rotating from inside to outside by utilizing power transmitted by a nail bin seat through the transmission component, so that fold tissues in the width range of a nail felt are stretched from inside to outside. According to the invention, the handle drives the nail bin seat to move towards the nail felt, and the rack connected with the nail bin seat is meshed with the transmission component, so that the nail bin seat continuously moves to clamp and fix tissues, and meanwhile, the rack transmits power to the smoothing component through the transmission component, so that the smoothing component rotates from inside to outside under the support of the power, the problem that when the stapler performs titanium nail stitching, the titanium nails stitch the tissues in a folding way, so that the wound surface of the tissue stitching part is enlarged and the stitching is uneven, and the problem that the tissue at the stitching part is uneven due to the folding stitching is solved.
Description
Technical Field
The invention relates to the technical field of anastomat, in particular to a linear electric anastomat capable of preventing tissue wrinkles.
Background
A stapler is a device used in medicine to replace manual suturing. The anastomat generally consists of a nail bin, a nail anvil, a cutting knife, an instrument gun and other structures. The staple cartridge and anvil are located at the forward end of the instrument gun. In the operation, the tissue to be anastomosed is clamped and occluded between the nail bin and the nail anvil, the handle of the instrument gun is pressed to drive the cutting knife to separate the tissue, and simultaneously, the anastomotic nail arranged in the nail bin is pushed out to anastomose the tissue. According to the application range, the utility model can be mainly divided into a skin anastomat, a digestive tract (esophagus, stomach, etc.) circular anastomat, a rectum anastomat, a circular hemorrhoid anastomat, a circumcision anastomat, a blood vessel anastomat, a hernia anastomat, a lung cutting suture instrument, etc.
When the intestinal tract tail end is cut and sewed, as the human tissue has certain toughness, folds are easy to generate in the extrusion process of the anastomat, so that the titanium nails are used for sewing the folds of the tissue when the anastomat is used for sewing the titanium nails, the wound surface of the tissue sewing position is enlarged, the sewing is uneven, and the folds are sewed, so that the tissue of the sewing position is uneven. Therefore, we disclose a linear electric stapler for preventing tissue folds to solve the problems caused by stapling the stapler.
For the problems in the related art, no effective solution has been proposed at present.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides a linear electric anastomat for preventing tissue folds, which has the advantages of unidirectionally removing the tissue folds and the like, and solves the problem that the folds are sewn to cause uneven tissues at the sewn position.
(II) technical scheme
In order to solve the technical problem that the fold-shaped suture can cause uneven tissue at the suture part, the invention provides the following technical scheme:
the utility model provides an prevent linear type electric anastomat of tissue fold, includes handle, nail anvil, still includes:
the driving assembly comprises a nail bin seat and a rack, wherein the nail bin seat is arranged on the upper surface of the nail anvil in a sliding manner, the rack is connected with the lower surface of the nail bin seat and is positioned in the inner cavity of the nail anvil, and the driving assembly is used for enabling the nail bin seat to drive the transmission assembly to move through the rack;
the transmission assembly is in releasable engagement with the rack transmission and is used for realizing transmission and interruption of power of the smoothing assembly;
the smoothing assembly is connected with the transmission assembly and is used for utilizing the power transmitted by the nail bin seat through the transmission assembly to rotate from inside to outside so that the fold tissues positioned in the width range of the nail anvil are stretched from inside to outside.
Preferably, the driving assembly further comprises a rack distance adjusting assembly, the rack distance adjusting assembly is connected with the lower surface of the nail bin seat and located in the inner cavity of the nail anvil, the rack is installed in the rack distance adjusting assembly, and the rack distance adjusting assembly is used for adjusting the travel distance required by power connection of the rack and the driving assembly in the firing process of the nail bin seat.
Preferably, the upper surface of the nail anvil is provided with a chute along the moving direction of the nail bin seat, the lower surface of the nail bin seat is provided with a connecting block, the connecting block penetrates through and is connected with the chute in a sliding manner, and one side of the connecting block is fixedly arranged on the upper surface of the rack distance adjusting component so that the upper surface of the rack distance adjusting component coincides with the upper surface of the inner cavity of the nail anvil;
the rack distance adjusting assembly comprises a distance adjusting strip, a cross-shaped inner cavity is formed in the distance adjusting strip, a cross-shaped block is slidably connected with the cross-shaped inner cavity, the upper end of the cross-shaped block penetrates through and is in threaded connection with a screw, one end of the screw is rotationally connected to the inner wall of the cross-shaped inner cavity, the other end of the screw penetrates through one side of the distance adjusting strip and is fixedly provided with a motor, the motor is fixedly arranged on one side of the distance adjusting strip, a rack groove is formed in the lower end of the cross-shaped block, and the rack is arranged in the rack groove in a sliding mode along the direction perpendicular to the lower surface of the distance adjusting strip and is in releasable engagement with the transmission assembly.
Preferably, springs are fixedly mounted at two ends of the top of the rack groove, one end of each spring is fixedly mounted on the upper surface of the rack, and electromagnets are fixedly mounted in the middle of the upper surface of the rack and the middle of the top of the rack groove.
Preferably, the smoothing component comprises a spreading plate, mounting grooves are formed in two ends of one side of the nail anvil, a rotating shaft is rotatably connected to the top of each mounting groove, one end of each rotating shaft penetrates through each mounting groove to extend to an inner cavity of the nail anvil, the rotating shafts penetrate through and are fixedly connected with the spreading plate, and the rotating shafts are connected with the transmission component.
Preferably, the driving assembly comprises a driving flexible shaft, the rotating shaft is respectively connected with a synchronizing shaft and a transmission shaft through the driving flexible shaft, the synchronizing shaft and the transmission shaft are both penetrated and rotatably connected with a shaft bracket, the shaft bracket is fixedly arranged at the lower part of the inner cavity of the nail anvil, the synchronizing shaft and the transmission shaft are both penetrated and fixedly provided with synchronizing teeth, and the synchronizing teeth are meshed with each other;
the transmission shaft runs through and has the switching-over case, just the transmission shaft is located one end fixed mounting in the switching-over case has helical gear one, helical gear one meshing has helical gear two, helical gear two runs through and fixedly connected with drive shaft, the drive shaft rotates to be connected the switching-over case, one end of drive shaft runs through and fixedly connected with driving tooth, driving tooth be used for with the rack meshing realizes power transmission.
Preferably, the transmission assembly further comprises a locking assembly, and the locking assembly is arranged on the rotating shaft and used for limiting the rotating direction of the rotating shaft.
Preferably, the locking assembly comprises locking teeth, the locking teeth are respectively and fixedly arranged at one end of the rotating shaft, which is positioned in the inner cavity of the nail anvil, a locking frame is fixedly arranged at one side of the inner cavity of the nail anvil, locking blocks are hinged at two ends of the locking frame, pawls are fixedly arranged at one ends of the locking blocks, the pawls are meshed with the locking teeth, a guide wheel is hinged at one corner of the locking blocks, a guide groove is formed in the middle of one side of the locking frame, and the guide wheel is tangential to the guide groove.
(III) beneficial effects
Compared with the prior art, the invention provides the linear electric anastomat for preventing tissue wrinkles, which has the following beneficial effects:
1. according to the invention, the handle drives the nail bin seat to move towards the nail anvil, so that after the nail bin seat moves for a certain distance, the rack connected with the nail bin seat is meshed with the transmission component, so that the nail bin seat continues to move to clamp and fix tissues, and meanwhile, the rack transmits power to the smoothing component through the transmission component, so that the smoothing component rotates from inside to outside under the support of the power, so that tissues needing to be sutured are stretched from inside to outside within the width range of the nail anvil, the wrinkled tissues are smoothed, the problem that the tissues are easy to wrinkle in the process of extruding the tissues by the nail bin of the stapler, the titanium nails fold and sew the tissues when the stapler performs titanium nail stitching is solved, so that the wound surface of the tissue stitching part is enlarged, the stitching is uneven, and the tissues at the stitching part are uneven is caused.
2. The invention drives the locking teeth to rotate in the rotating process of the rotating shaft, when the locking teeth rotate, the pawl is extruded, and the pawl and the locking block rotate around the hinge joint of the locking block and the locking frame, so that the pawl and the locking block are separated from the locking teeth, and are clamped into the next tooth slot to complete locking, the rotating shaft can not rotate reversely, the problem that tissues are extruded inwards and the tissues in the width range of the nail anvil are extruded mutually to cause the rupture of the suture part is avoided.
3. According to the invention, when the nail bin seat drives the nail bin to clamp tissues, the locking assembly is used for preventing the transmission assembly from moving reversely, so that the engagement of the rack and the transmission assembly is matched, the accidental resetting of the nail bin seat is prevented, and the safety is enhanced.
4. According to the diameter and thickness of the tissue, the motor is controlled to be started by the handle, so that the screw is driven to rotate, the cross-shaped inner cavity is connected with the cross-shaped block in a sliding mode, the cross-shaped block drives the rack to move, the initial distance between the rack and the transmission assembly is changed, and therefore power transmission of the driving assembly is more accurate.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is an internal block diagram of the present invention;
FIG. 3 is a schematic diagram of an inner portion of a distance adjustment bar according to an embodiment of the present invention;
FIG. 4 is a diagram illustrating an internal structure of a second exemplary embodiment of a spacer according to the present invention;
FIG. 5 is one of the partial block diagrams of the present invention;
FIG. 6 is an exploded view of a partial block diagram of the present invention;
FIG. 7 is a second partial block diagram of the present invention;
FIG. 8 is a block diagram of a locking assembly of the present invention;
FIG. 9 is a block diagram of the drive mechanism for the cartridge seat within the handle of the present invention.
In the figure: 1. a handle; 2. a nail anvil; 3. a staple cartridge holder; 4. a rack; 5. a chute; 6. a distance adjusting strip; 7. a cross-shaped inner cavity; 8. a cross block; 9. a screw; 10. a motor; 11. a rack slot; 12. a spring; 13. an electromagnet; 14. a spreader plate; 15. a mounting groove; 16. a rotating shaft; 17. driving a flexible shaft; 18. a synchronizing shaft; 19. a transmission shaft; 20. a shaft bracket; 21. synchronizing teeth; 22. a reversing box; 23. a first helical gear; 24. a helical gear II; 25. a drive shaft; 26. a drive tooth; 27. locking teeth; 28. a locking frame; 29. a locking block; 30. a pawl; 31. a guide wheel; 32. a guide groove; 33. a travel motor; 34. a travelling screw sleeve; 35. advancing the screw; 36. and a traveling limiting block.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As described in the background art, the present application provides a linear electric stapler for preventing tissue wrinkles in order to solve the above technical problems.
Embodiment one:
referring to fig. 1 and 2, a linear electric stapler for preventing tissue wrinkles includes a handle 1, an anvil 2, and further includes:
the driving assembly comprises a nail bin seat 3 and a rack 4, wherein the nail bin seat 3 is arranged on the upper surface of the nail anvil 2 in a sliding manner, the rack 4 is connected with the lower surface of the nail bin seat 3 and is positioned in an inner cavity of the nail anvil 2, and the driving assembly is used for enabling the nail bin seat 3 to drive the transmission assembly to move through the rack 4;
the transmission assembly is in transmission releasable engagement with the rack 4 and is used for realizing transmission and interruption of power of the smoothing assembly;
the flattening component is connected with the transmission component and used for rotating from inside to outside by utilizing the power transmitted by the nail bin seat 3 through the transmission component, so that the fold tissues positioned in the width range of the nail anvil 2 are stretched from inside to outside.
The handle 1 drives the nail bin seat 3 to move towards the nail anvil 2, so that after the nail bin seat 3 advances for a certain distance, the rack 4 connected with the nail bin seat 3 is meshed with the transmission component, so that the nail bin seat 3 continues to advance to clamp and fix tissues, meanwhile, the rack 4 transmits power to the smoothing component through the transmission component, so that the smoothing component rotates from inside to outside under the support of the power, tissues needing to be sewn are stretched from inside to outside within the width range of the nail anvil 2, the wrinkled tissues are smoothed, the problem that the tissues are folded easily in the process of extruding the tissues by the nail bin of the stapler, when the stapler performs titanium nail stitching, the titanium nail folds the tissues, so that wound surfaces at the tissue stitching positions are enlarged, the stitching is uneven, and the folding stitching is performed, so that the tissues at the stitching positions are uneven is solved.
When the advancing distance of the nail bin seat 3 is finished, the smoothing component synchronously completes the stretching of the tissues, and the two synchronously complete the stretching, so that one side of the smoothing component is kept coincident with one side of the nail anvil 2.
Referring to fig. 2 and 3, further, a chute 5 is formed on the upper surface of the anvil 2 along the moving direction of the cartridge seat 3, a connection block is formed on the lower surface of the cartridge seat 3, the connection block penetrates through and is slidingly connected with the chute 5, and one side of the connection block is fixedly mounted on the upper surface of the rack distance-adjusting component so that the upper surface of the rack distance-adjusting component coincides with the upper surface of the inner cavity of the anvil 2;
the rack distance adjusting assembly comprises a distance adjusting strip 6, a rack groove 11 is formed in the lower portion of the distance adjusting strip 6, and the rack 4 is arranged in the rack groove 11 in a sliding mode along the direction perpendicular to the lower surface of the distance adjusting strip 6 and used for being meshed with the transmission assembly in a transmission releasable mode.
The top both ends of rack groove 11 all fixed mounting have spring 12, the one end fixed mounting of spring 12 be in the upper surface of rack 4, the upper surface middle part of rack 4 with the middle part at rack groove 11 top is all fixed mounting has electro-magnet 13.
When the nail bin seat 3 moves, the distance adjusting bar 6 and the rack 4 are driven to move towards the transmission component through the connecting block along the sliding groove 5, after the rack 4 is in contact with the transmission component, power transmission is realized, when reset is performed, the electromagnet 13 is controlled by the handle 1 to attract each other, so that the rack 4 compresses the spring 12, the power transmission between the rack 4 and the transmission component is disconnected, and the reset of the nail bin seat is realized.
Referring to fig. 5 and 6, further, the smoothing assembly comprises a spreading plate 14, mounting grooves 15 are formed in two ends of one side of the nail anvil 2, a rotating shaft 16 is rotatably connected to the top of each mounting groove 15, one end of each rotating shaft 16 penetrates through each mounting groove 15 to extend to an inner cavity of the nail anvil 2, the rotating shaft 16 penetrates through and is fixedly connected with the spreading plate 14, and the rotating shafts 16 are connected with the transmission assembly.
So that the power generated by the movement of the nail bin seat 3 is transmitted to the rotating shaft 16 through the rack and the transmission component, and the rotating shaft 16 drives the unfolding plate 14 to rotate, thereby realizing the smoothing of tissue folds.
Referring to fig. 5 and 6, further, the transmission assembly includes a driving flexible shaft 17, the rotating shaft 16 is connected with a synchronizing shaft 18 and a transmission shaft 19 through the driving flexible shaft 17, the synchronizing shaft 18 and the transmission shaft 19 are both penetrated and rotatably connected with a shaft bracket 20, the shaft bracket 20 is fixedly installed at the lower part of the inner cavity of the nail anvil 2, the synchronizing shaft 18 and the transmission shaft 19 are both penetrated and fixedly installed with synchronizing teeth 21, and the synchronizing teeth 21 are meshed with each other;
the transmission shaft 19 runs through a reversing box 22, one end of the transmission shaft 19 positioned in the reversing box 22 is fixedly provided with a first bevel gear 23, the first bevel gear 23 is meshed with a second bevel gear 24, the second bevel gear 24 runs through and is fixedly connected with a driving shaft 25, the driving shaft 25 is rotationally connected with the reversing box 22, one end of the driving shaft 25 runs through and is fixedly connected with a driving tooth 26, and the driving tooth 26 is used for being meshed with the rack 4 to realize power transmission.
After the rack 4 is meshed with the driving teeth 26, the driving teeth 26 are driven to rotate by the movement of the rack 4, the bevel gear two 24 is driven to rotate by the driving shaft 25, the bevel gear one 23 is driven to rotate by the meshing of the bevel gear two 24 and the bevel gear one 23, the transmission shaft 19 is driven to rotate, and the synchronous teeth 21 are arranged on the transmission shaft 19 and the synchronous shaft 18, and the synchronous teeth 21 are meshed with each other, so that the transmission shaft 19 and the synchronous shaft 18 rotate in opposite directions, the transmission shaft 19 and the synchronous shaft 18 rotate reversely through the rotating shaft 16 driven by the driving flexible shaft 17, the stretching plate 14 is driven to rotate from inside to outside, the tissue is stretched from inside to outside, and the tissue is flattened and sutured.
The beneficial effects are that:
the handle 1 drives the nail bin seat 3 to move towards the nail anvil 2, so that after the nail bin seat 3 advances for a certain distance, the rack 4 connected with the nail bin seat 3 is meshed with the transmission component, so that the nail bin seat 3 continues to advance to clamp and fix tissues, meanwhile, the rack 4 transmits power to the smoothing component through the transmission component, so that the smoothing component rotates from inside to outside under the support of the power, tissues needing to be sewn are stretched from inside to outside within the width range of the nail anvil 2, the wrinkled tissues are smoothed, the problem that the tissues are folded easily in the process of extruding the tissues by the nail bin of the stapler, when the stapler performs titanium nail stitching, the titanium nail folds the tissues, so that wound surfaces at the tissue stitching positions are enlarged, the stitching is uneven, and the folding stitching is performed, so that the tissues at the stitching positions are uneven is solved.
Embodiment two: with respect to the drive assembly in accordance with embodiment one:
referring to fig. 2 and 4, a cross-shaped inner cavity 7 is formed in the distance adjusting strip 6, the cross-shaped inner cavity 7 is slidably connected with a cross block 8, the upper end of the cross block 8 is penetrated through and is in threaded connection with a screw rod 9, one end of the screw rod 9 is rotatably connected to the inner wall of the cross-shaped inner cavity 7, the other end of the screw rod 9 penetrates through one side of the distance adjusting strip 6 and is fixedly provided with a motor 10, the motor 10 is fixedly arranged on one side of the distance adjusting strip 6, and the lower end of the cross block 8 is provided with a rack groove 11;
thus, according to the diameter and thickness of the tissue, the motor 10 is controlled by the handle 1 to drive the screw 9 to rotate, and then the cross inner cavity 7 is in sliding connection with the cross block 8, so that the cross block 8 drives the rack 4 to move, the initial distance between the rack 4 and the transmission assembly is changed, and the power transmission of the driving assembly is more accurate.
Embodiment three, based on the transmission assembly of embodiment one:
referring to fig. 7 and 8, the transmission assembly further includes a locking assembly provided on the rotation shaft 16 for restricting a rotation direction of the rotation shaft 16;
further, the locking assembly comprises locking teeth 27, the locking teeth 27 are respectively and fixedly arranged at one end of the rotating shaft 16, which is positioned in the inner cavity of the nail anvil 2, a locking frame 28 is fixedly arranged at one side of the inner cavity of the nail anvil 2, locking blocks 29 are hinged at two ends of the locking frame 28, a pawl 30 is fixedly arranged at one end of each locking block 29, the pawl 30 is meshed with each locking block 29 with the locking teeth 27, a guide wheel 31 is hinged at one corner of each locking block 29, a guide groove 32 is formed in the middle of one side of the locking frame 28, and the guide wheel 31 is tangential to the guide groove 32;
thus, the rotating shaft 16 drives the locking teeth 27 to rotate in the rotating process, when the locking teeth 27 rotate, the pawl 30 is extruded, the pawl 30 and the locking block 29 rotate around the hinging position of the locking block 29 and the locking frame 28, so that the pawl 30 and the locking block 29 are separated from the locking teeth, and are clamped into the next tooth slot to complete locking, the rotating shaft 16 cannot rotate reversely, and the problem that the rotating shaft 16 rotates reversely, tissues are extruded inwards, and the tissues within the width range of the nail anvil 2 are extruded mutually to cause the rupture of the suturing position is avoided.
When the nail bin seat 3 drives the nail bin to clamp tissues, the locking assembly is utilized to prevent the transmission assembly from moving reversely, so that the engagement of the rack 4 and the transmission assembly is matched, the accidental resetting of the nail bin seat 3 is avoided, and the safety is enhanced.
Further, a torsion spring is additionally arranged at the position of the locking block 29 and the locking frame 28 in a hinged manner, so that the pawl 30 and the locking block 29 are conveniently clamped and meshed with the locking teeth 27.
Embodiment four, based on the first embodiment, regarding the movement of the cartridge holder 3 toward the anvil 2:
referring to fig. 9, a travel motor 33 is fixedly mounted on the inner wall of the handle 1, a travel screw sleeve 34 is fixedly mounted on the output shaft of the travel motor 33, a push screw rod 35 is in threaded engagement with the travel screw sleeve 34, one end of the push screw rod 35 penetrates a travel limiting block 36 and is fixedly mounted on one side of the cartridge seat 3, the cartridge seat 3 is used for driving the cartridge seat 3 to move towards the anvil 2, and the travel limiting block 36 limits the freedom degree of the push screw rod 35.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a prevent linear type electric anastomat of tissue fold, includes handle (1), nail anvil (2), its characterized in that: further comprises:
the driving assembly comprises a nail bin seat (3) and a rack (4), wherein the nail bin seat (3) is arranged on the upper surface of the nail anvil (2) in a sliding mode, the rack (4) is connected with the lower surface of the nail bin seat (3) and is positioned in an inner cavity of the nail anvil (2), and the driving assembly is used for enabling the nail bin seat (3) to drive the transmission assembly to move through the rack (4);
the transmission assembly is in transmission releasable engagement with the rack (4) and is used for realizing transmission and interruption of power of the smoothing assembly;
the flattening component is connected with the transmission component and is used for rotating from inside to outside by utilizing the power transmitted by the nail bin seat (3) through the transmission component, so that the fold tissues positioned in the width range of the nail anvil (2) are stretched from inside to outside;
the flattening assembly comprises a spreading plate (14), mounting grooves (15) are formed in two ends of one side of the nail anvil (2), a rotating shaft (16) is rotatably connected to the top of each mounting groove (15), one end of each rotating shaft (16) penetrates through each mounting groove (15) to extend to the inner cavity of the nail anvil (2), the rotating shaft (16) penetrates through and is fixedly connected with the spreading plate (14), and the rotating shaft (16) is connected with the transmission assembly; the driving assembly comprises a driving flexible shaft (17), the rotating shaft (16) is connected with a synchronizing shaft (18) and a driving shaft (19) through the driving flexible shaft (17), the synchronizing shaft (18) and the driving shaft (19) are all penetrated and rotatably connected with a shaft bracket (20), the shaft bracket (20) is fixedly arranged at the lower part of an inner cavity of the nail anvil (2), the synchronizing shaft (18) and the driving shaft (19) are all penetrated and fixedly provided with synchronizing teeth (21), and the synchronizing teeth (21) are meshed with each other;
the transmission shaft (19) penetrates through the reversing box (22), one end of the transmission shaft (19) located in the reversing box (22) is fixedly provided with a first bevel gear (23), the first bevel gear (23) is meshed with a second bevel gear (24), the second bevel gear (24) penetrates through and is fixedly connected with a driving shaft (25), the driving shaft (25) is rotationally connected with the reversing box (22), one end of the driving shaft (25) penetrates through and is fixedly connected with driving teeth (26), and the driving teeth (26) are used for being meshed with the rack (4) to achieve power transmission.
2. The linear electric stapler of claim 1, wherein the linear electric stapler is configured to prevent tissue plication: the driving assembly further comprises a rack distance adjusting assembly, the rack distance adjusting assembly is connected with the lower surface of the nail bin seat (3) and located in an inner cavity of the nail anvil (2), the rack (4) is installed in the rack distance adjusting assembly, and the rack distance adjusting assembly is used for adjusting the required advancing distance of the rack (4) in the power connection of the nail bin seat (3) in the firing process and the driving assembly.
3. The linear electric stapler of claim 2, wherein the linear electric stapler is configured to prevent tissue plication, and wherein: a sliding groove (5) is formed in the upper surface of the nail anvil (2) along the moving direction of the nail bin seat (3), a connecting block is formed in the lower surface of the nail bin seat (3), the connecting block penetrates through and is connected with the sliding groove (5) in a sliding manner, and one side of the connecting block is fixedly arranged on the upper surface of the rack distance adjusting component so that the upper surface of the rack distance adjusting component coincides with the upper surface of an inner cavity of the nail anvil (2);
the rack distance adjusting assembly comprises a distance adjusting strip (6), a cross-shaped inner cavity (7) is formed in the distance adjusting strip (6), a cross-shaped block (8) is connected to the cross-shaped inner cavity (7) in a sliding mode, a screw (9) is arranged at the upper end of the cross-shaped block (8) in a penetrating mode, one end of the screw (9) is rotatably connected to the inner wall of the cross-shaped inner cavity (7), a motor (10) is fixedly arranged at one side of the distance adjusting strip (6) in a penetrating mode, the motor (10) is fixedly arranged at one side of the distance adjusting strip (6), a rack groove (11) is formed in the lower end of the cross-shaped block (8), and the rack (4) is arranged in the rack groove (11) in a sliding mode along the direction perpendicular to the lower surface of the distance adjusting strip (6) in a sliding mode and is meshed with the transmission component in a releasable mode.
4. A straight line type electric stapler for preventing wrinkles of tissue according to claim 3, wherein: the novel electric motor is characterized in that springs (12) are fixedly mounted at two ends of the top of the rack groove (11), one end of each spring (12) is fixedly mounted on the upper surface of the rack (4), and electromagnets (13) are fixedly mounted in the middle of the upper surface of the rack (4) and the middle of the top of the rack groove (11).
5. The linear electric stapler of claim 1, wherein the linear electric stapler is configured to prevent tissue plication: the transmission assembly further comprises a locking assembly, wherein the locking assembly is arranged on the rotating shaft (16) and used for limiting the rotating direction of the rotating shaft (16).
6. The linear electric stapler of claim 5, wherein the linear electric stapler is configured to prevent tissue plication: the locking assembly comprises locking teeth (27), the locking teeth (27) are respectively and fixedly arranged at one ends of the rotating shaft (16) located in the inner cavity of the nail anvil (2), a locking frame (28) is fixedly arranged at one side of the inner cavity of the nail anvil (2), locking blocks (29) are hinged to two ends of the locking frame (28), a pawl (30) is fixedly arranged at one end of the locking block (29), the pawl (30) is meshed with the locking teeth (27), a guide wheel (31) is hinged to one corner of the locking block (29), a guide groove (32) is formed in the middle of one side of the locking frame (28), and the guide wheel (31) is tangent to the guide groove (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111338622.1A CN114081558B (en) | 2021-11-12 | 2021-11-12 | Linear type electric anastomat capable of preventing tissue wrinkles |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103476348A (en) * | 2011-03-14 | 2013-12-25 | 伊西康内外科公司 | Surgical stapling instruments |
| CN208822855U (en) * | 2018-06-07 | 2019-05-07 | 广东云曌医疗科技有限公司 | Hysteroscope ball and socket joint Linear cutting anastomat and matched nail bin |
| CN112020334A (en) * | 2018-05-23 | 2020-12-01 | 波士顿科学国际有限公司 | Devices, systems, and methods for tissue resection |
| CN112617933A (en) * | 2020-12-14 | 2021-04-09 | 蚌埠冠鑫达医疗科技有限公司 | Stitching assembly of anastomat and anastomat |
| CN213372243U (en) * | 2020-08-28 | 2021-06-08 | 江苏三联星海医疗器械有限公司 | Endoscopic stapler nail bin assembly with patch repairing function |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6402780B2 (en) * | 1996-02-23 | 2002-06-11 | Cardiovascular Technologies, L.L.C. | Means and method of replacing a heart valve in a minimally invasive manner |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103476348A (en) * | 2011-03-14 | 2013-12-25 | 伊西康内外科公司 | Surgical stapling instruments |
| CN112020334A (en) * | 2018-05-23 | 2020-12-01 | 波士顿科学国际有限公司 | Devices, systems, and methods for tissue resection |
| CN208822855U (en) * | 2018-06-07 | 2019-05-07 | 广东云曌医疗科技有限公司 | Hysteroscope ball and socket joint Linear cutting anastomat and matched nail bin |
| CN213372243U (en) * | 2020-08-28 | 2021-06-08 | 江苏三联星海医疗器械有限公司 | Endoscopic stapler nail bin assembly with patch repairing function |
| CN112617933A (en) * | 2020-12-14 | 2021-04-09 | 蚌埠冠鑫达医疗科技有限公司 | Stitching assembly of anastomat and anastomat |
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| CN114081558A (en) | 2022-02-25 |
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