CN114052811B - Linear type electric anastomat convenient to operate - Google Patents
Linear type electric anastomat convenient to operate Download PDFInfo
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- CN114052811B CN114052811B CN202111557732.7A CN202111557732A CN114052811B CN 114052811 B CN114052811 B CN 114052811B CN 202111557732 A CN202111557732 A CN 202111557732A CN 114052811 B CN114052811 B CN 114052811B
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- nail
- seat
- assembly
- block
- electromagnetic block
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- 239000000523 sample Substances 0.000 claims description 11
- 238000005452 bending Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 8
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 208000032843 Hemorrhage Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000003872 anastomosis Effects 0.000 description 1
- 208000034158 bleeding Diseases 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 210000001035 gastrointestinal tract Anatomy 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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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
- A61B17/07207—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 the staples being applied sequentially
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/06—Measuring instruments not otherwise provided for
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00367—Details of actuation of instruments, e.g. relations between pushing buttons, or the like, and activation of the tool, working tip, or the like
- A61B2017/00398—Details of actuation of instruments, e.g. relations between pushing buttons, or the like, and activation of the tool, working tip, or the like using powered actuators, e.g. stepper motors, solenoids
-
- 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
-
- 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
- A61B2017/07278—Stapler heads characterised by its sled or its staple holder
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/06—Measuring instruments not otherwise provided for
- A61B2090/061—Measuring instruments not otherwise provided for for measuring dimensions, e.g. length
Abstract
The invention relates to the technical field of anastomat and discloses a linear electric anastomat convenient to operate, which comprises an external mounting plate, a nail bin driving assembly and a nail pushing assembly, wherein one end of the external mounting plate is arranged in a bent shape, a nail supporting seat is arranged at the bent part, the nail bin driving assembly is arranged on the inner side of the external mounting plate, and the nail pushing assembly is arranged on the inner side of the nail bin driving assembly. This linear type electric anastomat convenient to operation is through setting up first electromagnetism piece and second electromagnetism piece respectively on nail storehouse drive assembly and pushing away nail subassembly, when both circular telegrams are inhaled mutually, drive the drive piece through the motor and slide, can drive nail storehouse drive assembly and push away nail subassembly and remove in step, to placing the tissue of waiting to coincide between outside mounting panel and nail storehouse, make first electromagnetism piece and second electromagnetism piece outage again for the motor can only drive and push away the nail subassembly, with the anastomotic nail in the nail storehouse come out the suture tissue, convenient operation and good to the anastomotic effect of tissue.
Description
Technical Field
The invention relates to the technical field of anastomat, in particular to a linear electric anastomat convenient to operate.
Background
The linear anastomat is used for driving two rows of mutually staggered staples which are arranged in a straight line on tissues to replace manual operation suturing, is suitable for closing stumps or incisions in digestive tract reconstruction and other organ excision operations, can save operation time, reduce bleeding of patients and can more conveniently carry out operation suturing.
When the conventional linear anastomat is used, the tissue to be sutured is firstly placed between the nail propping seat and the nail bin assembly, the movable handle is manually held to be half, the nail bin assembly is driven to move, the tissue to be sutured is positioned and clamped between the nail bin assembly and the nail propping seat, and then the movable handle is held to the bottom, so that the nail pushing plate inside the nail bin assembly is driven to trigger the anastomat to fire out the sutured tissue. When the movable handle is held to a half to drive the nail bin assembly to move close to the nail abutting seat, the moving distance of the nail bin assembly is constant, the thickness of the tissue to be sutured is not constant in actual operation, and the clamping of the nail bin assembly and the nail abutting seat to the tissue to be sutured is very likely to be too tight or too loose, so that the anastomosis effect of the anastomotic nail on the tissue is affected; and the traditional linear anastomat needs to be manually operated for a plurality of times when in use, has complex operation steps and is inconvenient to use.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides the linear electric stapler convenient to operate, which has the advantages of being capable of accurately clamping tissues to be stapled, facilitating the operation by electrically discharging nails, having good suturing effect on the tissues and the like, and solves the problems that the clamping degree of the nail bin and the nail propping seat to the tissues to be stapled cannot be adjusted and the manual multiple operation process is complicated in the prior art.
(II) technical scheme
In order to solve the technical problems that the clamping degree of the tissue to be sutured by the nail bin and the nail propping seat cannot be adjusted and the manual multiple operation process is complicated in the prior art, the invention provides the following technical scheme:
the linear electric anastomat comprises an external mounting plate, a nail bin driving assembly and a nail pushing assembly, wherein one end of the external mounting plate is arranged in a bent shape, a nail supporting seat is arranged at the bent part of the external mounting plate, the nail bin driving assembly is arranged on the inner side of the external mounting plate, the nail pushing assembly is arranged on the inner side of the nail bin driving assembly, a nail bin is detachably arranged at one end, close to the nail supporting seat, of the nail bin driving assembly, and a driving block is arranged on the nail pushing assembly;
the nail bin driving assembly is provided with a first electromagnetic block, the nail pushing assembly is provided with a second electromagnetic block, the first electromagnetic block and the second electromagnetic block are attracted when in an electrified state, and the nail pushing assembly and the nail bin driving assembly are driven to synchronously move by acting on the driving block so as to clamp and position tissues to be anastomosed, which are placed between the external mounting plate and the nail bin;
when the first electromagnetic block and the second electromagnetic block are in a power-off state, the driving block is acted on and can only drive the nail pushing assembly to move, and the anastomotic nail installed in the nail bin is shot out to suture tissues.
Preferably, the connecting seat is arranged at the other end of the external mounting plate, a limit groove is formed in the connecting seat, a motor support is arranged on the outer side of the connecting seat, a motor is fixedly arranged on the motor support, a threaded screw rod is fixedly connected to a driving shaft of the motor, two ends of the threaded screw rod are respectively in running fit with the side wall of the motor support, and the driving block is assembled on the threaded screw rod through threads and is in sliding fit with the surface of the driving block.
Preferably, the nail bin driving assembly comprises a side plate, a nail bin seat and a connecting rod, wherein the nail bin seat is arranged at one end of the side plate, the nail bin is installed on the nail bin seat, the connecting rod is arranged on the lower end face of the side plate, a first groove is formed in the upper surface of the connecting rod, and the first electromagnetic block is fixedly installed on the bottom surface inside the first groove.
Preferably, the nail pushing assembly comprises a push rod, a nail pushing plate and a nail pushing column, the nail pushing plate is arranged at one end of the push rod, the nail pushing plate is far away from the nail pushing column is arranged on one side surface of the push rod, the nail pushing column is in one-to-one correspondence with the position and the shape of the nail outlet hole on the surface of the nail bin and is in sliding fit with the inner wall of the nail outlet hole, a second groove is formed in the lower surface of the push rod, and the second electromagnetic block is arranged inside the second groove.
Preferably, one side of the second electromagnetic block away from the first electromagnetic block is fixedly connected with a connecting sleeve, a first spring is arranged in the connecting sleeve, one end of the first spring is fixedly connected with the bottom surface inside the connecting sleeve, the other end of the first spring is fixedly connected with the top surface inside the second groove, when the first spring is in a natural state, the upper end surface of the connecting sleeve is attached to the top surface inside the second groove, and the lower surface of the second electromagnetic block is flush with the lower surface of the push rod.
Preferably, the two sides of the push rod are respectively provided with a first bulge, the outer side surface of the side plate is respectively provided with a second bulge, the inner side surface of the external mounting plate is respectively provided with a first guide groove and a second guide groove, the first bulge is in sliding fit with the inner wall of the first guide groove, and the second bulge is in sliding fit with the inner wall of the second guide groove;
the outer side surfaces of the two side plates are respectively attached to the inner side surfaces of the outer mounting plates, and the surfaces of the push rods are not contacted with the surfaces of the side plates and the connecting rods.
Preferably, the bending part of the external mounting plate is provided with a mounting seat, a laser range finder is arranged in the mounting seat, and a laser probe of the laser range finder protrudes out of the mounting seat and points to the nail propping seat.
Preferably, one side of the mounting seat, which is close to the nail propping seat, is connected with a second spring, the tail end of the second spring is fixedly connected with a positioning block, pull rods are respectively arranged on two sides of the positioning block, and when the positioning block is in a natural state, the surface of the positioning block is adhered to the surface of the nail propping seat.
Preferably, the one end that the outside mounting panel was provided with the connecting seat is provided with the shell, the shell includes casing and handle, connecting seat fixed mounting is in inside the casing, the inside control module that is provided with of handle, control module with motor, laser range finder pass through electric signal connection, the handle outside is provided with operating button, operating button with control module passes through electric signal connection, control module is based on the measuring result control of laser range finder the nail storehouse drive assembly with the travel distance of pushing away the nail subassembly.
(III) beneficial effects
Compared with the prior art, the invention provides the linear electric anastomat convenient to operate, which has the following beneficial effects:
1. this linear type electric anastomat convenient to operation is through setting up first electromagnetism piece and second electromagnetism piece respectively on nail storehouse drive assembly and pushing away nail subassembly, when both circular telegrams are inhaled mutually, drive the drive piece through the motor and slide, can drive nail storehouse drive assembly and push away nail subassembly and remove in step, to placing the tissue of waiting to coincide between outside mounting panel and nail storehouse, make first electromagnetism piece and second electromagnetism piece outage again for the motor can only drive and push away the nail subassembly, with the anastomotic nail in the nail storehouse come out the suture tissue, convenient operation and good to the anastomotic effect of tissue.
2. This linear type electric anastomat convenient to operation, through the circular telegram for first electromagnetism piece and second electromagnetism piece, the second electromagnetism piece stretches first spring and stretches into in the first recess from the second recess in the suction effect is automatic, and in the first recess of second electromagnetism piece card makes the connecting rod can follow the removal of push rod synchronous movement, and when first electromagnetism piece and second electromagnetism piece outage, first spring shrink resets, drives the second electromagnetism piece and returns in the second recess of withdrawal, makes there is not connection between connecting rod and the push rod, and the push rod can the individual movement.
3. This linear type electric anastomat convenient to operation, through first protruding and first guide way sliding fit, second protruding and second guide way sliding fit come to lead to push rod and curb plate respectively, make it can slide along the established direction respectively, and when first electromagnetism piece and second electromagnetism piece are in the outage state and make the push rod remove alone, because the push rod does not contact with curb plate and connecting rod, can guarantee not cause the influence to stop curb plate and the connecting rod that removes when the push rod removes.
4. According to the linear electric anastomat convenient to operate, the tissue to be anastomosed is placed between the positioning block and the nail propping seat, the positioning block performs preliminary positioning on the tissue to be anastomosed under the action of the elastic force of the second spring, the laser distance meter emits laser through the laser probe, the distance between the surface of one side of the positioning block far away from the tissue to be anastomosed and the laser probe is measured, the control module calculates the thickness of the tissue to be anastomosed through the distance value, and controls the motor to drive the nail bin to move corresponding distances, so that the tissue to be anastomosed is clamped and positioned with proper clamping degree, the clamping is avoided to be too tight or too loose, and the suturing effect of the anastomosed nail on the tissue to be anastomosed is further improved.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is one of the exploded views of a portion of the assembly of the present invention;
FIG. 3 is a schematic view of a partial component part in cross-section of the present invention;
FIG. 4 is a schematic view of the cartridge drive assembly of the present invention;
FIG. 5 is a schematic view of a staple pusher assembly according to the present invention;
FIG. 6 is a schematic diagram of a second electromagnetic block according to the present invention;
FIG. 7 is a second schematic exploded view of a portion of the assembly of the present invention;
FIG. 8 is a partial cross-sectional view of a portion of the assembly of the present invention;
fig. 9 is an exploded view of the present invention.
In the figure: 1. an external mounting plate; 2. a nail supporting seat; 3. a cartridge drive assembly; 4. a staple pushing assembly; 5. a staple cartridge; 6. a driving block; 7. a first electromagnetic block; 8. a second electromagnetic block; 9. a connecting seat; 10. a limit groove; 11. a motor support; 12. a motor; 13. a threaded screw rod; 14. a side plate; 15. a staple cartridge holder; 16. a connecting rod; 17. a first groove; 18. a push rod; 19. a nail pushing plate; 20. a nail pushing column; 21. a second groove; 22. connecting sleeves; 23. a first spring; 24. a first protrusion; 25. a second protrusion; 26. a first guide groove; 27. a second guide groove; 28. a mounting base; 29. a laser probe; 30. a second spring; 31. a positioning block; 32. a pull rod; 33. a housing; 34. a housing; 35. a handle; 36. the button is operated.
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.
Referring to fig. 1-9, a linear electric stapler convenient to operate comprises an external mounting plate 1, a nail bin driving assembly 3 and a nail pushing assembly 4, wherein one end of the external mounting plate 1 is arranged in a bending shape, a nail supporting seat 2 is arranged at the bending part, the nail bin driving assembly 3 is arranged on the inner side of the external mounting plate 1, the nail pushing assembly 4 is arranged on the inner side of the nail bin driving assembly 3, a nail bin 5 is detachably arranged at one end, close to the nail supporting seat 2, of the nail bin driving assembly 3, and a driving block 6 is arranged on the nail pushing assembly 4;
the nail bin driving assembly 3 is provided with a first electromagnetic block 7, the nail pushing assembly 4 is provided with a second electromagnetic block 8, the first electromagnetic block 7 and the second electromagnetic block 8 are attracted when in an electrified state, and the nail pushing assembly 4 and the nail bin driving assembly 3 are driven to synchronously move by acting on the driving block 6 so as to clamp and position tissues to be anastomosed, which are placed between the external mounting plate 1 and the nail bin 5;
when the first electromagnetic block 7 and the second electromagnetic block 8 are in a power-off state, the driving block 6 is acted on to only drive the nail pushing assembly 4 to move, and the anastomotic nail installed in the nail bin 5 is shot out to stitch tissues.
Further, the other end of the external mounting plate 1 is provided with a connecting seat 9, a limit groove 10 is formed in the connecting seat 9, a motor support 11 is arranged on the outer side of the connecting seat 9, a motor 12 is fixedly installed on the motor support 11, a threaded screw rod 13 is fixedly connected to a driving shaft of the motor 12, two ends of the threaded screw rod 13 are respectively in running fit with the side wall of the motor support 11, a driving block 6 is assembled on the threaded screw rod 13 through threads, the surface of the driving block 6 is in sliding fit with the inner wall of the limit groove 10, accordingly, the threaded screw rod 13 can be driven to rotate through the motor 12, the driving block 6 can be driven to slide along the inner wall of the limit groove 10, and then the whole push pin assembly 4 is driven to move.
Further, the nail bin driving assembly 3 comprises a side plate 14, a nail bin seat 15 and a connecting rod 16, wherein the nail bin seat 15 is arranged at one end of the side plate 14, the nail bin 5 is arranged on the nail bin seat 15, the connecting rod 16 is arranged on the lower end face of the side plate 14, a first groove 17 is formed in the upper surface of the connecting rod 16, and the first electromagnetic block 7 is fixedly arranged on the inner bottom face of the first groove 17; the nail pushing assembly 4 comprises a push rod 18, a nail pushing plate 19 and a nail pushing column 20, the nail pushing plate 19 is arranged at one end of the push rod 18, the nail pushing column 20 is arranged on one side surface of the nail pushing plate 19 far away from the push rod 18, the nail pushing columns 20 are respectively in one-to-one correspondence with the positions and the shapes of nail outlet holes on the surface of the nail bin 5, the nail pushing columns 20 are in sliding fit with the inner walls of the nail outlet holes, a second groove 21 is formed in the lower surface of the push rod 18, the second electromagnetic block 8 is arranged in the second groove 21, so that when the first electromagnetic block 7 and the second electromagnetic block 8 are electrified and attracted, the connecting rod 16 and the push rod 18 are connected, the driving block 6 is driven to slide through the motor 12, the connecting rod 16 and the push rod 18 can be driven to synchronously move, the nail bin 5 and the nail pushing plate 19 can be synchronously moved, and when a proper distance is moved, tissues to be anastomosed between the external mounting plate 1 and the nail bin 5 can be positioned; after the tissue to be anastomosed is positioned, the first electromagnetic block 7 and the second electromagnetic block 8 are powered off, the driving block 6 is driven to slide by the motor 12, the push rod 18 can only be driven to move, the push rod 18 drives the nail pushing plate 19 to move, and the anastomotic nail installed in the nail bin 5 can be ejected from the nail ejection hole to suture the tissue, so that the operation is convenient and the anastomotic effect is good.
Further, a connecting sleeve 22 is fixedly connected to one side, far away from the first electromagnetic block 7, of the second electromagnetic block 8, a first spring 23 is arranged in the connecting sleeve 22, one end of the first spring 23 is fixedly connected with the inner bottom surface of the connecting sleeve 22, the other end of the first spring 23 is fixedly connected with the inner top surface of the second groove 21, when the first spring 23 is in a natural state, the upper end surface of the connecting sleeve 22 is attached to the inner top surface of the second groove 21, and the lower surface of the second electromagnetic block 8 is flush with the lower surface of the push rod 18, so that when the first electromagnetic block 7 and the second electromagnetic block 8 are in an electrified state, the first electromagnetic block 7 and the second electromagnetic block 8 are attracted to drive the second electromagnetic block 8 to automatically stretch the first spring 23 and stretch into the first groove 17 from the second groove 21, and the second electromagnetic block 8 is clamped into the first groove 17 to enable the connecting rod 16 to synchronously move along with the movement of the push rod 18; when the first electromagnetic block 7 and the second electromagnetic block 8 are in a power-off state, attractive force does not exist between the first electromagnetic block 7 and the second electromagnetic block 8, the first spring 23 is contracted and reset to drive the second electromagnetic block 8 to retract into the second groove 21 for resetting, so that no connection relationship exists between the connecting rod 16 and the push rod 18, and the push rod 18 can move independently.
Further, the two sides of the push rod 18 are respectively provided with a first bulge 24, the outer side surface of the side plate 14 is respectively provided with a second bulge 25, the inner side surface of the external mounting plate 1 is respectively provided with a first guide groove 26 and a second guide groove 27, the first bulge 24 is in sliding fit with the inner wall of the first guide groove 26, and the second bulge 25 is in sliding fit with the inner wall of the second guide groove 27; the outer side surfaces of the two side plates 14 are respectively attached to the inner side surfaces of the external mounting plate 1, and the surfaces of the push rod 18 are not contacted with the surfaces of the side plates 14 and the connecting rod 16, so that the push rod 18 and the side plates 14 are respectively guided by sliding fit of the first bulge 24 and the first guide groove 26 and sliding fit of the second bulge 25 and the second guide groove 27, so that the push rod 18 and the side plates 14 can slide along the given directions respectively, and when the first electromagnetic block 7 and the second electromagnetic block 8 are in the power-off state so that the push rod 18 moves independently, the push rod 18 is prevented from contacting the side plates 14 and the connecting rod 16, and the side plates 14 and the connecting rod 16 which stop moving can be prevented from being influenced when the push rod 18 moves.
Further, the bending part of the external mounting plate 1 is provided with a mounting seat 28, a laser range finder is arranged in the mounting seat 28, and a laser probe 29 of the laser range finder protrudes out of the mounting seat 28 and points to the nail abutting seat 2; the mounting seat 28 is connected with the second spring 30 near one side of the nail propping seat 2, the tail end of the second spring 30 is fixedly connected with the positioning block 31, pull rods 32 are respectively arranged on two sides of the positioning block 31, when the positioning block 31 is in a natural state, the surface of the positioning block 31 is attached to the surface of the nail propping seat 2, so that a tissue to be anastomosed is placed between the positioning block 31 and the nail propping seat 2 through stirring the pull rods 32, the positioning block 31 can be subjected to preliminary positioning on the tissue to be anastomosed under the elastic force of the second spring 30, and the laser range finder emits laser through the laser probe 29 to measure the distance between the surface of one side of the positioning block 31 far away from the tissue to be anastomosed and the laser probe 29.
Further, one end of the external mounting plate 1 provided with the connecting seat 9 is provided with the shell 33, the shell 33 comprises a shell 34 and a handle 35, the connecting seat 9 is fixedly assembled in the shell 34, a control module is arranged in the handle 35, the control module is connected with the motor 12 and the laser range finder through electric signals, an operation button 36 is arranged on the outer side of the handle 35, the operation button 36 is connected with the control module through electric signals, the control module is adjusted through stirring the operation button 36 to control each component to start or stop, after the laser range finder measures the distance from one side surface of the positioning block 31 far away from the tissue to be anastomosed to the laser probe 29, the control module calculates the thickness of the tissue to be anastomosed through the distance value, and controls the motor 12 to drive the nail bin 5 to move corresponding distance, so that the tissue to be anastomosed is clamped and positioned properly, and the suturing effect of the tissue to be anastomosed is improved.
Working principle: when in use, the pull rod 32 is stirred to drive the positioning block 31 to be far away from the nail propping seat 2, the tissue to be anastomosed is placed between the positioning block 31 and the nail propping seat 2, the pull rod 32 is loosened, the positioning block 31 is used for preliminary positioning of the tissue to be anastomosed under the action of the elasticity of the second spring 30, the operation button 36 is started, the laser range finder emits laser through the laser probe 29, the distance between the surface of one side of the positioning block 31 far away from the tissue to be anastomosed and the laser probe 29 is measured, and the measured distance value is fed back to the control module;
the first electromagnetic block 7 and the second electromagnetic block 8 are electrified through the control module, the first electromagnetic block 7 and the second electromagnetic block 8 attract each other, and the second electromagnetic block 8 is driven to automatically stretch the first spring 23 and extend into the first groove 17 from the second groove 21; the motor 12 is controlled to start by the control module, the motor 12 drives the threaded screw rod 13 to rotate, so that the driving block 6 slides along the inner wall of the limit groove 10, the driving block 6 drives the connecting rod 16 and the push rod 18 to synchronously move, and drives the nail bin 5 and the nail pushing plate 19 to synchronously move for a certain distance, so that the tissue to be anastomosed is stably clamped between the nail propping seat 2 and the nail bin 5; the first electromagnetic block 7 and the second electromagnetic block 8 are powered off through the control module, the motor 12 drives the driving block 6 to continue sliding, the push rod 18 is driven to move, the push rod 18 drives the nail pushing plate 19 to move until the staples installed in the nail bin 5 are shot out from the nail outlet holes to stitch tissues;
after the anastomotic nail is completely fired, the motor 12 is controlled to reversely run through the control module, the push rod 18 is driven to reversely move, the positions of the first electromagnetic block 7 and the second electromagnetic block 8 are opposite, the first electromagnetic block 7 and the second electromagnetic block 8 are electrified, the connecting rod 16 and the push rod 18 are driven to synchronously reversely move through the motor 12 until the nail bin driving assembly 3 and the nail pushing assembly 4 return to the original positions.
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 (2)
1. The utility model provides a linear type electric anastomat convenient to operation, includes outside mounting panel (1), nail storehouse drive assembly (3) and pushes away nail subassembly (4), its characterized in that: one end of the external mounting plate (1) is arranged in a bent shape, a nail propping seat (2) is arranged at the bent part, the nail bin driving assembly (3) is arranged at the inner side of the external mounting plate (1), the nail pushing assembly (4) is arranged at the inner side of the nail bin driving assembly (3), a nail bin (5) is detachably arranged at one end, close to the nail propping seat (2), of the nail bin driving assembly (3), and a driving block (6) is arranged on the nail pushing assembly (4);
the nail cartridge driving assembly (3) is provided with a first electromagnetic block (7), the nail pushing assembly (4) is provided with a second electromagnetic block (8), the first electromagnetic block (7) and the second electromagnetic block (8) are attracted when in an electrified state, and the nail pushing assembly (4) and the nail cartridge driving assembly (3) are driven to synchronously move by acting on the driving block (6) so as to clamp and position tissues to be anastomosed, which are placed between the external mounting plate (1) and the nail cartridge (5);
when the first electromagnetic block (7) and the second electromagnetic block (8) are in a power-off state, the driving block (6) is acted on and can only drive the nail pushing assembly (4) to move, and the anastomotic nail installed in the nail bin (5) is shot out to suture tissues;
the bending part of the external mounting plate (1) is provided with a mounting seat (28), a laser range finder is arranged in the mounting seat (28), and a laser probe (29) of the laser range finder protrudes out of the mounting seat (28) and points to the nail propping seat (2);
the novel electric motor is characterized in that a connecting seat (9) is arranged at the other end of the external mounting plate (1), a limit groove (10) is formed in the connecting seat (9), a motor support (11) is arranged on the outer side of the connecting seat (9), a motor (12) is fixedly arranged on the motor support (11), a threaded screw rod (13) is fixedly connected to a driving shaft of the motor (12), two ends of the threaded screw rod (13) are respectively in running fit with the side wall of the motor support (11), a driving block (6) is assembled on the threaded screw rod (13) through threads, and the surface of the driving block (6) is in sliding fit with the inner wall of the limit groove (10);
the nail bin driving assembly (3) comprises a side plate (14), a nail bin seat (15) and a connecting rod (16), wherein the nail bin seat (15) is arranged at one end of the side plate (14), the nail bin (5) is arranged on the nail bin seat (15), the connecting rod (16) is arranged on the lower end face of the side plate (14), a first groove (17) is formed in the upper surface of the connecting rod (16), and the first electromagnetic block (7) is fixedly arranged on the inner bottom face of the first groove (17);
the nail pushing assembly (4) comprises a push rod (18), a nail pushing plate (19) and nail pushing columns (20), the nail pushing plate (19) is arranged at one end of the push rod (18), the nail pushing columns (20) are arranged on the surface of one side, far away from the push rod (18), of the nail pushing plate (19), the nail pushing columns (20) are respectively in one-to-one correspondence with the positions and the shapes of nail holes on the surface of the nail bin (5), the nail pushing columns (20) are in sliding fit with the inner walls of the nail holes, a second groove (21) is formed in the lower surface of the push rod (18), and the second electromagnetic block (8) is arranged inside the second groove (21);
one side of the second electromagnetic block (8) far away from the first electromagnetic block (7) is fixedly connected with a connecting sleeve (22), a first spring (23) is arranged in the connecting sleeve (22), one end of the first spring (23) is fixedly connected with the inner bottom surface of the connecting sleeve (22), the other end of the first spring (23) is fixedly connected with the inner top surface of the second groove (21), when the first spring (23) is in a natural state, the upper end surface of the connecting sleeve (22) is attached to the inner top surface of the second groove (21), and the lower surface of the second electromagnetic block (8) is flush with the lower surface of the push rod (18);
the push rod (18) is respectively provided with a first bulge (24) at two sides, the outer side surface of the side plate (14) is respectively provided with a second bulge (25), the inner side surface of the outer mounting plate (1) is respectively provided with a first guide groove (26) and a second guide groove (27), the first bulge (24) is in sliding fit with the inner wall of the first guide groove (26), and the second bulge (25) is in sliding fit with the inner wall of the second guide groove (27);
the outer side surfaces of the two side plates (14) are respectively attached to the inner side surfaces of the outer mounting plates (1), and the surfaces of the push rods (18) are not contacted with the surfaces of the side plates (14) and the connecting rods (16);
one side of the mounting seat (28) close to the nail propping seat (2) is connected with a second spring (30), the tail end of the second spring (30) is fixedly connected with a positioning block (31), pull rods (32) are respectively arranged on two sides of the positioning block (31), and when the positioning block (31) is in a natural state, the surface of the positioning block (31) is adhered to the surface of the nail propping seat (2).
2. The conveniently operated linear electric stapler of claim 1, wherein: the utility model discloses a nail cartridge drive device, including outside mounting panel (1), connecting seat (9), outside mounting panel (35), outside mounting panel (1) is provided with one end of connecting seat (9) is provided with shell (33), shell (33) include casing (34) and handle (35), connecting seat (9) fixed mounting is in inside casing (34), inside control module that is provided with of handle (35), control module with motor (12), laser range finder pass through electric signal connection, handle (35) outside is provided with operating button (36), operating button (36) with control module passes through electric signal connection, control module is based on laser range finder's measuring result control nail cartridge drive assembly (3) with the travel distance of pushing away nail assembly (4).
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| CN202111557732.7A CN114052811B (en) | 2021-12-20 | 2021-12-20 | Linear type electric anastomat convenient to operate |
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| CN114052811A (en) | 2022-02-18 |
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