CN108523955A - Driving device for Endo-GIA under hysteroscope - Google Patents
Driving device for Endo-GIA under hysteroscope Download PDFInfo
- Publication number
- CN108523955A CN108523955A CN201810567792.9A CN201810567792A CN108523955A CN 108523955 A CN108523955 A CN 108523955A CN 201810567792 A CN201810567792 A CN 201810567792A CN 108523955 A CN108523955 A CN 108523955A
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- Prior art keywords
- rack
- switching
- shell
- retaining
- flashboard
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- 230000013011 mating Effects 0.000 claims abstract description 5
- 210000003734 kidney Anatomy 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 abstract description 4
- 210000001847 jaw Anatomy 0.000 description 29
- 238000010586 diagram Methods 0.000 description 11
- 210000001519 tissue Anatomy 0.000 description 11
- 210000003781 tooth socket Anatomy 0.000 description 6
- 238000003032 molecular docking Methods 0.000 description 4
- 230000004224 protection Effects 0.000 description 4
- 238000001356 surgical procedure Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000003872 anastomosis Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 210000000080 chela (arthropods) Anatomy 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 238000002324 minimally invasive surgery Methods 0.000 description 2
- 238000009527 percussion Methods 0.000 description 2
- 238000012084 abdominal surgery Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000002674 endoscopic surgery Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 210000000115 thoracic cavity Anatomy 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
-
- 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
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
-
- 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
- A61B2017/07285—Stapler heads characterised by its cutter
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
- Toys (AREA)
Abstract
The invention belongs to the field of medical instrument technology, more particularly to a kind of driving device for Endo-GIA under hysteroscope, including shell, the trigger being rotatably arranged on shell and the rack being arranged in shell, drive block and switching part, drive block is rotatably arranged on trigger, the front end of drive block has the matched plectrum of tooth form with rack, cocking drive block is moved forward with rack mating band carry-over bar, and rack is connect by drive rod with jaw component；Switching part includes the switch bar being arranged above housing rear end and the switching limited block that is rotatably arranged in shell, limit elongated slot is offered on rack, it is provided with switching torsional spring between switching limited block and shell, switching torsional spring, which acts on switching limited block, makes the boss of switching limited block rear end be inserted into limit elongated slot, the bottom end of switch bar have switching skewback, when forward push switch bar when, switch skewback inclined-plane squeeze push away boss, switching limited block is set to rotate, boss is detached from limit elongated slot.
Description
Technical field
The invention belongs to the field of medical instrument technology more particularly to a kind of driving dresses for Endo-GIA under hysteroscope
It sets.
Background technology
It is that a kind of the anastomosis staple of multiple arrangements that intermesh can be existed suitable for Endo-GIA under the hysteroscope of Minimally Invasive Surgery
The instrument for being in line and hammering into tissue, and simultaneously cut off the tissue between identical staple line with cutter, and it is extensive
One of instrument applied to Minimally Invasive Surgery is mainly used for abdominal surgery, gynaecology, paediatrics and during thoracic surgery is open or endoscopic surgery
Tissue cuts off, is cross-section and identical.
As shown in Fig. 1~5, Endo-GIA includes driving device 2 under the hysteroscope of the prior art, and driving device 2 includes tool
The shell 2-1 for having handle 2-1-1, the trigger 2-2 being rotatably arranged on shell 2-1 and the rack 2-3 being arranged in shell 2-1
And the drive block 2-4 being connected between trigger 2-2 and rack 2-3, drive block 2-4 are rotatably arranged on trigger by drive pin 2-6
On 2-2, it is provided with driving torsional spring 2-7 between drive block 2-4 and trigger 2-2, is provided with and pulls between trigger 2-2 and handle 2-1-1
Machine torsional spring 2-8, cocking 2-2 realize that (orientation arm is for drive block 2-4 and rack 2-3 mating band carry-over bars 2-3 forward movements
Afterwards, before gun barrel direction is)；The bottom end that retaining flashboard 2-10-1, rack 2-3 are provided in shell 2-1 offers and retaining flashboard
The rear side of the flashboard groove 2-3-2 of 2-10-1 cooperations, flashboard groove 2-3-2 have limited step 2-3-2-1, limited step 2-3-
2-1 blocks retaining flashboard 2-10-1 to prevent rack 2-3 from moving forward, there are one the side of retaining flashboard 2-10-1 extends outwardly
Deep trouth 2-10-1-1 and two shallow slots 2-10-1-2, two shallow slot 2-10-1-2 are located at the both sides of deep trouth 2-10-1-1, shell
The side of body 2-1 is provided with switch bar 2-9-1 at trigger 2-2, is provided on shell 2-1 for protecting switch bar 2-9-1
Semicircular protection fence 2-1-3, be outward extended with convex block 2-9-1-3 on switch bar 2-9-1, be arranged on switch bar 2-9-1
There are two switching spring 2-9-4, and two switching spring 2-9-4 are located at the both sides of convex block 2-9-1-3, switch bar 2-9-1
In initial position, convex block 2-9-1-3 is located in deep trouth 2-10-1-1, and retaining flashboard 2-10-1 is located at flashboard groove 2-3- at this time
In 2, limited step 2-3-2-1 blocks retaining flashboard 2-10-1 and rack 2-3 is prevented to move forward, and presses switch bar 2-9-1, convex block
2-9-1-3 switches between two shallow slot 2-10-1-2, when convex block 2-9-1-3 is located in shallow slot 2-10-1-2, retaining flashboard 2-
10-1 is detached from limited step 2-3-2-1, rack 2-3 forward movements under the stirring of drive block 2-4, at this time retaining flashboard 2-10-1
Coordinate with the tooth form of rack 2-3, limitation rack 2-3 is retreated；The front end of rack 2-3 is connected by drive rod 4-2 and jaw component 3
It connects, is moved with controlling staple formation and cutter, osculating operation is carried out to tissue.
The switch bar 2-9-1 of the above-mentioned prior art is press type structure, is arranged in the side of shell 2-1 close to trigger 2-
At 2, space is limited, inconvenient, is easy to touch other surgical instruments of surgery location in operative process, increases hand
Art risk；Though being provided with semicircular protection fence 2-1-3 protections switch bar 2-9-1 on shell 2-1 prevents in surgical procedure
Maloperation, but when needing to operate switch bar 2-9-1, narrow space, more difficult quickly accurate of switch bar 2-9-1
Pressing in place, very big inconvenience is brought to surgical procedure.
The above-mentioned prior art to whether limit rack 2-3 movement switching construction it is complicated, convex block 2-9-1-3 acts on deep trouth
2-10-1-1 and shallow slot 2-10-1-2, retaining flashboard 2-10-1 should realize that 3 closed mode of jaw component prevents rack 2-3 forward
Mobile function realizes the function that percussion pattern prevents rack 2-3 from being retreated by tissue Cutting Drag again；Due to shallow slot 2-10-
The depth of 1-2 is shallower, and convex block 2-9-1-3 is easy to slip, and influences the normal use of stapler；It is driven since rack 2-3 needs to dock
Lever 4-2 considers the intensity of rack 2-3, and the depth of flashboard groove 2-3-2 is limited, and the depth of limited step 2-3-2-1 is limited,
Causing limited step 2-3-2-1 to block retaining flashboard 2-10-1 prevents the effect of rack 2-3 forward movements limited, and rack 2-
3 are easy to arch upward under the action of drive block 2-4, and retaining flashboard 2-10-1 is easily separated from the limitation of flashboard groove 2-3-2, prevent tooth
The reliability that 2-3 is moved forward is bad.
Invention content
To solve, switching construction of the existing technology is arranged in the side of shell, complicated, handover operation is inconvenient
The unstable problem with handoff functionality, the present invention provide a kind of driving device for Endo-GIA under hysteroscope.
In order to solve the above technical problems, the technical solution adopted in the present invention is as follows, one kind is coincide for being cut under hysteroscope
The driving device of device, the stapler include jaw component and sheath assembly, and described sleeve pipe component includes drive rod, driving dress
It sets including shell, the trigger being rotatably arranged on shell and the rack being arranged in shell, drive block and switching part, it is described
Drive block is connected between trigger and rack, and the drive block is rotatably arranged on trigger, the front end of the drive block have with
The matched plectrum of tooth form of rack, cocking drive block are moved forward with rack mating band carry-over bar, and the rack passes through
Drive rod is connect with jaw component；
The switching part includes the switch bar being arranged above housing rear end and the switching being rotatably arranged in shell limit
Position block, offers limit elongated slot on the rack, switching torsional spring, the switching is provided between switching limited block and the shell
Torsional spring, which acts on switching limited block, makes the boss of switching limited block rear end be inserted into limit elongated slot, and the bottom end of the switch bar has
Switch skewback, when forward push switch bar when, switch skewback inclined-plane squeeze push away boss, make switching limited block rotate, boss be detached from
Limit elongated slot.
Preferably, the upper surface of described switch bar is provided with anti-slip tank.Stapler operating reliability and comfort level are improved, greatly
It is big to improve customer experience, reduce operation risk.
Preferably, the driving device further includes retaining component, the retaining component includes the retaining being arranged in shell
Flashboard and retaining torsional spring, the front end bottom surface of the rack offer the flashboard groove coordinated with retaining flashboard, the flashboard groove
Rear wall be sweptback inclined-plane, the tooth form of the rack be the sweptback helical teeth coordinated with retaining flashboard, it is described stop
Back twist spring is caught in flashboard groove for the top of retaining flashboard and provides screen resilience.The tooth form of cocking, plectrum and rack coordinates
Band carry-over bar moves forward, and the top of retaining flashboard slips over the tooth form of flashboard groove and rack, effectively rack is prevented to retract, structure
It is rationally reliable, reduce operation risk.
Further, which further includes reset components, and the reset components include withdrawing button, restoring board, withdrawing
Pin and elastic element, the side of the rack are fixed with guide pin, sweptback guiding kidney-shaped are offered on the restoring board
Hole, it is described to withdraw pin by rack, restoring board and withdraw button and link together, and guide pin passes through and is oriented to kidney slot, the bullet
Property element one end be fixed on and withdraw on pin, the other end is fixed on rack, offers and withdraw button cooperation on the shell
Withdraw elongated slot, the direction for withdrawing elongated slot is consistent with the moving direction of rack, when pull back withdraw button when, elastic element
In elongation state, and restoring board pushes retaining flashboard, and retaining flashboard is made to be detached from the tooth form of flashboard groove or rack, while tooth
Item moves backward.When relieving withdraws button, elastic element drives restoring board to bounce, and restoring board is detached from retaining flashboard, retaining flashboard
Top be caught in the tooth form of rack again, prevent rack from retracting, the reset components simple and ingenious structure, simple operation, cost compared with
It is low.
Preferably, the driving device further includes tension spring, the lower section of the shell has handle, the rear end of the drive block
Pulling eye is offered, the drag hook of described tension spring one end hooks in pulling eye, and the drag hook of the other end hooks the lower part of handle.Tension spring is simultaneously
Screen resilience is provided for the rotation of drive block and trigger, simple and reliable for structure, assembly is simple and convenient, and cost is relatively low.
Advantageous effect：The driving device for Endo-GIA under hysteroscope of the present invention, switch bar are arranged after shell
, there is larger design space in end top, easy to operate, does not have any instrument in hand-held stapler operating process and is touched with switch bar
It touches, ensures the safety during the stapler use, reduce operation risk；Anti-slip tank is set on switch bar, improves kiss
Clutch operating reliability and comfort level greatly improve customer experience, reduce operation risk；The boss of limited block is inserted into limit elongated slot
In, the rear wall for limiting elongated slot resists boss, and effective area bigger, stress is more reliable, when rack arches upward under the action of drive block
When, retaining flashboard improves validity and stability that stapler uses without departing from the limitation of flashboard groove；The present invention's is used for
The driving device of Endo-GIA under hysteroscope, switch bar compared to the prior art are arranged in the side of shell, and of the invention cuts
It changes button to be arranged above the rear end of shell, such switching construction provides mostly a kind of choosing of stapler for doctor according to use habit
It selects, is conveniently operated.
Description of the drawings
Fig. 1 be the prior art hysteroscope under Endo-GIA dimensional structure diagram；
Fig. 2 is the exploded perspective view of the driving device of the prior art；
Fig. 3 is the retaining flashboard and rack cooperation schematic diagram of the prior art；
Fig. 4 is the dimensional structure diagram of the retaining flashboard of the prior art；
Fig. 5 is the dimensional structure diagram of the switch bar of the prior art；
Fig. 6 is the dimensional structure diagram that the driving device that the present invention fills is assembled to Endo-GIA under hysteroscope；
Fig. 7 is the exploded perspective view of inventive drive means；
Fig. 8 is the exploded perspective view of the sheath assembly of the present invention；
Fig. 9 is the schematic cross-sectional view of inventive drive means (its middle casing is not illustrated)；
Figure 10 is the inside dimensional structure diagram of inventive drive means；
Figure 11 is the inside dimensional structure diagram of inventive drive means (its middle casing is not illustrated)；
Figure 12 is the exploded perspective view of the transfer of the embodiment of the present invention two；
Figure 13 is that the stereochemical structure partial schematic sectional view of the transfer of the embodiment of the present invention three (wherein descends swivel head not
Signal)；
Figure 14 is the exploded perspective view of the transfer of the embodiment of the present invention three；
Figure 15 is the dimensional structure diagram of the upper swivel head of the embodiment of the present invention three；
Figure 16 is the dimensional structure diagram of the knob of the embodiment of the present invention three；
Figure 17 is the dimensional structure diagram of the retaining board of the embodiment of the present invention three；
Figure 18 is the dimensional structure diagram of the fluted disc of the embodiment of the present invention three；
1-1-1,1, transfer in figure, 1-1, upper swivel head are turned to and are covered, 1-1-2, limited ring groove, 1-1-3, bayonet,
1-1-4, shifting block slot, 1-1-5, knob shaft, 1-2, lower swivel head, 1-3, shaft, 1-3-1, limit disk, 1-3-2, groove,
1-3-3, it ships and resell on another market, 1-4, fluted disc, 1-4-1, tooth socket, 1-4-2, card convex, 1-4-3, counter sink, 1-5, retaining board, 1-5-1, convex ribs,
1-8,1-5-2, the first hole, 1-6, knob, 1-6-1, positive stop lug boss, 1-6-2, the second hole, 1-6-3, protruding shaft, 1-7, wave spring are dialled
Block, 1-8-1, elongated slot, 1-9, shift plate, 1-9-1, skewed slot, 1-10, knob pin, 1-11, drag hook, 1-11-1, drag hook slot, 1-11-2,
Drag hook gib head, 1-11-3, protruding pin, 1-11-4, leading arm, 2, driving device, 2-1, shell, 2-1-1, handle are 2-1-1-1, solid
2-1-2, fixed column withdraws elongated slot, 2-1-3, protection fence, 2-2, trigger, 2-3, rack, 2-3-1, limit elongated slot, 2-3-2, lock
Plate groove, 2-3-2-1, limited step, 2-3-3, safety groove, 2-4, drive block, 2-4-1, plectrum, 2-4-2, pulling eye, 2-5, drawing
Spring, 2-6, drive pin, 2-7, driving torsional spring, 2-8, trigger torsional spring, 2-9, switching part, 2-9-1-1,2-9-1, switch bar are cut
Skewback is changed, 2-9-1-2, anti-slip tank, 2-9-1-3, convex block, 2-9-2, switching limited block, 2-9-2-1, boss, 2-9-3, switching are turned round
Spring, 2-9-4, switching spring, 2-10, retaining component, 2-10-1, retaining flashboard, 2-10-1-1, deep trouth, 2-10-1-2, shallow slot,
2-11-1,2-10-2, retaining torsional spring, 2-11, reset components withdraw button, 2-11-3,2-11-2, restoring board are oriented to kidney slot,
2-11-4, pin, 2-11-5, elastic element, 2-11-6, guide pin, 2-11-7, reseting hook, 2-12, securing member, 2-12- are withdrawn
1, push rod, 2-12-2, safety block, 2-12-3, insurance torsional spring, 3, jaw component, 4, sheath assembly, 4-1, articular link plate, 4-
1-1, articular link plate gib head, 4-1-2, square hole, 4-2, drive rod, 4-3, guide plate, 4-4, interior ejector sleeve, 4-5, pushing cylinder.
Specific implementation mode
Embodiment one
As shown in Fig. 6~11, a kind of driving device for Endo-GIA under hysteroscope, the stapler includes jaw group
Part 3 and sheath assembly 4, described sleeve pipe component 4 include drive rod 4-2, which includes shell 2-1, is rotatably arranged on shell
Trigger 2-2 on body 2-1 and rack 2-3, the drive block 2-4 and switching part 2-9 being arranged in shell 2-1, the driving
Block 2-4 is connected between trigger 2-2 and rack 2-3, and the drive block 2-4 is rotatably arranged on trigger 2-2, the drive block 2-
4 front end has the matched plectrum 2-4-1 of tooth form (after orientation arm is, before gun barrel direction is) with rack 2-3, the driving
Device 2 further includes tension spring 2-5, and the lower section of the shell 2-1 has handle 2-1-1, and the rear end of the drive block 2-4 offers drawing
The drag hook of the one end hole 2-4-2, the tension spring 2-5 hooks in pulling eye 2-4-2, and the drag hook of the other end hooks under handle 2-1-1
Portion, the tension spring 2-5 provide screen resilience for the rotation of drive block 2-4 and trigger 2-2 simultaneously, cocking 2-2 drive blocks 2-4 and
Rack 2-3 mating band carry-over bars 2-3 moves forward (after orientation arm is, before gun barrel direction is), and the rack 2-3 passes through driving
Bar 4-2 is connect with jaw component 3；
The switching part 2-9 includes the switch bar 2-9-1 being arranged above the rear ends shell 2-1 and is rotatably arranged on shell
Offered on switching limited block 2-9-2, the rack 2-3 in 2-1 limit elongated slot 2-3-1, the switching limited block 2-9-2 with
Switching torsional spring 2-9-3 is provided between shell 2-1, the switching torsional spring 2-9-3, which acts on switching limited block 2-9-2, makes switching limit
The boss 2-9-2-1 of the position rear ends block 2-9-2 is inserted into limit elongated slot 2-3-1, and the bottom end of the switch bar 2-9-1 has switching oblique
Block 2-9-1-1, when pushing switch bar 2-9-1 forward, the inclined-plane of switching skewback 2-9-1-1, which squeezes, pushes away boss 2-9-2-1, makes switching
Limited block 2-9-2 rotations, boss 2-9-2-1 are detached from limit elongated slot 2-3-1.In order to push switch bar 2-9-1 more comfortable effective,
The upper surface of described switch bar 2-9-1 is provided with anti-slip tank 2-9-1-2.
As shown in Fig. 7,9,10 and 11, which further includes retaining component 2-10, and the retaining component 2-10 includes
The front end bottom surface of the retaining flashboard 2-10-1 and retaining torsional spring 2-10-2, the rack 2-3 that are arranged in shell 2-1 offer with
The rear wall of flashboard the groove 2-3-2, the flashboard groove 2-3-2 of the 2-10-1 cooperations of retaining flashboard are sweptback inclined-plane, institute
The tooth form of rack 2-3 is stated for the sweptback helical teeth with the 2-10-1 cooperations of retaining flashboard, until the retaining torsional spring 2-10-2
The top for moving back flashboard 2-10-1 is caught in offer screen resilience in flashboard groove 2-3-2.
As shown in Fig. 7~11, which further includes reset components 2-11, and the reset components 2-11 includes withdrawing
Button 2-11-1, restoring board 2-11-2, pin 2-11-4 and elastic element 2-11-5 are withdrawn, the side of the rack 2-3, which is fixed with, leads
To pin 2-11-6, sweptback guiding kidney slot 2-11-3 is offered on the restoring board 2-11-2, it is described to withdraw pin 2-11-
4 by rack 2-3, restoring board 2-11-2 and withdraw button 2-11-1 and link together, and guide pin 2-11-6 is passed through and is oriented to kidney-shaped
Hole 2-11-3, one end of the elastic element 2-11-5 is fixed on by reseting hook 2-11-7 to be withdrawn on pin 2-11-4, another
End is fixed on rack 2-3, and offer and withdraw button 2-11-1 cooperation on the shell 2-1 withdraws elongated slot 2-1-2, described time
The direction for removing elongated slot 2-1-2 is consistent with the moving direction of rack 2-3, when pull back withdraw button 2-11-1 when, elastic element 2-
11-5 is in elongation state, and restoring board 2-11-2 pushes retaining flashboard 2-10-1, and retaining flashboard 2-10-1 is made to be detached from flashboard
The tooth form of groove 2-3-2 or rack 2-3 are moved backward with hour rack 2-3.
As shown in Fig. 7~11, which further includes securing member 2-12, and securing member 2-12 includes being arranged in shell
The front end of push rod 2-12-1 and rotatable safety block 2-12-2, rack 2-3 in body 2-1 offer safety groove 2-3-3, shell
Insurance torsional spring 2-12-3 is provided between 2-1 and safety block 2-12-2, insurance torsional spring 2-12-3, which acts on safety block 2-12-2, to be made
One end of safety block 2-12-2 is inserted into safety groove 2-3-3, to limit the movement of rack 2-3, push rod 2-12-1 and shell 2-1
Between be provided with push rod 2-12-1 springs, push rod 2-12-1 springs are in compression when push rod 2-12-1 and safety block 2-12-2 is contacted
State pushes push rod 2-12-1 backward, and one end of push rod 2-12-1, which is squeezed, pushes away safety block 2-12-2 rotations, makes safety block 2-12-2's
One end is detached from safety groove 2-3-3, and safety block 2-12-2 is not in the movement of limitation rack 2-3 at this time.First sheath assembly 4 is docked to
In driving device 2, then jaw component 3 is docked on sheath assembly 4, when jaw component 3 is docked on sheath assembly 4, pincers
Mouthful component 3 pushes sequentially connected guide plate 4-3, interior ejector sleeve 4-4 and pushing cylinder 4-5 in casing to move backward, and pushing cylinder 4-5 is to pusher
Dynamic push rod 2-12-1 opens safety block 2-12-2, and docking is completed, i.e., without docking jaw component 3 when, rack 2-3 and drive rod
4-2 can not drive.
Operation principle is as follows：
Endo-GIA docks under hysteroscope：First sheath assembly 4 is docked in driving device 2, then jaw component 3 is docked
Onto sheath assembly 4, when jaw component 3 is docked on sheath assembly 4, jaw component 3 pushes sequentially connected in casing lead
It is moved backward to plate 4-3, interior ejector sleeve 4-4 and pushing cylinder 4-5, pushing cylinder 4-5 pushes push rod 2-12-1, one end of push rod 2-12-1 backward
It squeezes and pushes away safety block 2-12-2 rotations, so that one end of safety block 2-12-2 is detached from safety groove 2-3-3, safety block 2-12-2 does not exist at this time
Limit the movement of rack 2-3, docking is completed, i.e., without docking jaw component 3 when, rack 2-3 and drive rod 4-2 can not drive；
Endo-GIA is in closed mode under hysteroscope：The plectrum 2-4-1 of cocking 2-2, drive block 2-4 push rack
The tooth form of 2-3 makes rack 2-3 move forward a distance, and rack 2-3 connection drive rods 4-2 is moved forward, and completes jaw component
3 closure, at this time jaw clamp the tissue for needing operative site, after the completion of the closure of jaw component 3, switch limited block 2-9-2
The boss 2-9-2-1 of rear end is resisted against on the rear wall of limit elongated slot 2-3-1, and rack 2-3 is prevented to continue to move along, and confirms pincers
The tissue site that mouth clamps pulls back if clamping tissue site is inaccurate and withdraws button 2-11-1, connects with button 2-11-1 is withdrawn
The pin 2-11-4 that withdraws connect drives restoring board 2-11-2, elastic element 2-11-5 movements in advance, and elastic element 2-11-5 is stretched, multiple
Position plate 2-11-2 is moved along kidney slot 2-11-3 is oriented to, and pushes retaining flashboard 2-10-1, retaining flashboard 2-10-1 and rack 2-3
Tooth form disengages, and continues to pull back and withdraws button 2-11-1, and band carry-over bar 2-3, drive rod 4-2 are moved backward, and make jaw component 3 again
Secondary opening, again clamping need the tissue of operative site, repeat aforesaid operations, solve doctor and tissue is clamped repeatedly, on the one hand make group
It knits more easily to coincide and ensures surgical quality, on the other hand doctor is facilitated to confirm operative site repeatedly, be closed repeatedly in jaw component 3
During opening, emerging for anastomosis staple is not influenced；
Endo-GIA is in percussion pattern under hysteroscope：It is finished when operative site confirms, pushes switch bar 2-9-1 forward,
The inclined-plane of switching skewback 2-9-1-1, which squeezes, pushes away boss 2-9-2-1, so that switching limited block 2-9-2 is rotated, boss 2-9-2-1 is detached from limit
Bit length slot 2-3-1 continues cocking 2-2, and the plectrum 2-4-1 of drive block 2-4 pushes the tooth form of rack 2-3, make rack 2-3 to
Preceding movement, it is mobile to distal end to complete staple formation and cutter, osculating operation is carried out to tissue；
Operation finishes, and pulls back and withdraws button 2-11-1, and the leading bands of pin 2-11-4 are withdrawn with withdraw that button 2-11-1 connect
Dynamic restoring board 2-11-2, elastic element 2-11-5 movements, elastic element 2-11-5 are stretched, and restoring board 2-11-2 is along guiding kidney slot
2-11-3 is moved, and the tooth form for pushing retaining flashboard 2-10-1, retaining flashboard 2-10-1 and rack 2-3 disengages, and continues to pull back
Button 2-11-1 is withdrawn, band carry-over bar 2-3, drive rod 4-2 are moved backward, and jaw component 3 is made to open.
Embodiment two
The present embodiment provides Endo-GIA under a kind of hysteroscope, which includes transfer 1 and embodiment one
Driving device 2, sheath assembly 4 and jaw component 3.
As shown in figure 12, the transfer 1 is fastened between sheath assembly 4 and driving device 2, the transfer 1
Including offering shifting block slot 1-1-4 above upper swivel head 1-1, knob 1-6 and shifting block 1-8, upper swivel head 1-1, shifting block 1-8 is set
It sets in shifting block slot 1-1-4, knob shaft 1-1-5 is fixed on upper swivel head 1-1, knob 1-6 rotations are set in knob shaft
On 1-1-5, and protruding shaft 1-6- is extended on knob shaft 1-1-5 by knob pin 1-10 axial limitings below knob 1-6
The elongated slot 1-8-1 with protruding shaft 1-6-3 cooperations is offered above 3, shifting block 1-8, as turning knob 1-6, protruding shaft 1-6-3 drives
Shifting block 1-8 is moved left and right, and shift plate 1-9 is fixed with below shifting block 1-8, and skewed slot 1-9-1, upper swivel head are offered on shift plate 1-9
It is provided with drag hook 1-11 below 1-1, protruding pin 1-11-3, drag hook 1-11 with skewed slot 1-9-1 cooperations are fixed on drag hook 1-11
Front end there is drag hook gib head 1-11-2, drag hook gib head 1-11-2 catches on articular link plate 4-1, the turning-bar card of jaw component 3
Enter in articular link plate gib head 4-1-1, to which jaw component 3 is rigidly connected with entire transfer 1, as knob 1-6
When rotation, protruding shaft 1-6-3 drives shifting block 1-8 to be moved left and right in shifting block slot 1-1-4, and shift plate 1-9 follows shifting block 1-8 dialling together
It is moved left and right in block slot 1-1-4, the protruding pin 1-11-3 of skewed slot 1-9-1 driving drag hooks 1-11 makes drag hook 1-11 be moved forward and backward (arm
After direction is, before gun barrel direction is), drag hook 1-11 drives articular link plate 4-1 and turning-bar to be moved forward and backward successively, completes jaw
The weave control of component 3.
Embodiment three
The present embodiment provides Endo-GIA under a kind of hysteroscope, which includes transfer 1 and embodiment one
Driving device 2, sheath assembly 4 and jaw component 3.
As shown in figure 13 to 18, the transfer 1 is fastened between sheath assembly 4 and driving device 2, the steering dress
It includes upper swivel head 1-1 to set 1, is outward extended with steering lid 1-1-1 on the upper swivel head 1-1, steerings cover 1-1-1 with it is upper
Swivel head 1-1 is an integral structure, and being fastened on upper swivel head 1-1 has lower swivel head 1-2；Turn with shaft 1-3, the shaft 1-3
Dynamic to be arranged on upper swivel head 1-1, the bottom end of the shaft 1-3 has limit disk 1-3-1；With fluted disc 1-4, the fluted disc 1-
4 periphery is outward extended with the bayonet 1-1-3 offered on card convex 1-4-2, the upper swivel head 1-1 with card convex 1-4-2 cooperations,
It is arranged in upper swivel head 1-1 so that fluted disc 1-4 is circumferentially fixed, in order to which fluted disc 1-4 is circumferentially fixed firm, the number of card convex 1-4-2
Amount at least there are two, fool proof when assemble in order to facilitate fluted disc 1-4, the width of one of card convex 1-4-2 is more than other card convex 1-
The top of the width of 4-2, the fluted disc 1-4 offers several tooth socket 1-4-1, and the bottom end of the fluted disc 1-4 offers and limits
The counter sink 1-4-3 of disk 1-3-1 cooperations；It is arranged on shaft 1-3 with retaining board 1-5, the retaining board 1-5, makes described stop
Inverse plate 1-5 is rotated with shaft 1-3, and the convex ribs 1-5-1 with tooth socket 1-4-1 cooperations, the convex ribs are extended on the retaining board 1-5
1-5-1 slips over tooth socket 1-4-1 in shaft 1-3 rotation processes；It is arranged on shaft 1-3 with knob 1-6, the knob 1-6, institute
It states knob 1-6 and is located at the top for turning to lid 1-1-1, the steering lid 1-1-1 covers retaining board 1-5, by rotating the knob
1-6 makes shaft 1-3 rotate.
Also be arranged with wave spring 1-7 on the shaft 1-3, the wave spring 1-7 be located at retaining board 1-5 and turn to lid 1-1-1 it
Between, it is provided with gasket (not shown) between the retaining board 1-5 and wave spring 1-7, under the elastic force effect of wave spring 1-7, only
It is inverse that there is pretightning force between plate 1-5 and fluted disc 1-4 so that knob 1-6, shaft 1-3, retaining board 1-5 often turn over angle
Tooth socket 1-4-1 can be rested in the rotation angle because of the cooperation of convex ribs 1-5-1 and tooth socket 1-4-1 without retracting.In order to
It avoids steering lid 1-1-1 from falling off, the inner bodies such as retaining board 1-5 and fluted disc 1-4 is caused to fall off each other because of the elastic force of wave spring 1-7
Or be scattered, the steering lid 1-1-1 and upper swivel head 1-1 is integrally formed.
Limited ring groove 1-1-2 is offered on the steering lid 1-1-1, the bottom end of the knob 1-6 is extended with positive stop lug boss
1-6-1, the positive stop lug boss 1-6-1 are inserted into limited ring groove 1-1-2, and the angle of limited ring groove 1-1-2 is selected as 180 degree so that
The maximum rotation angle 180 degree of knob 1-6 limits the swing angle of jaw component 3.
First offered on groove 1-3-2, the retaining board 1-5 with the first fin is offered on the shaft 1-3
1-6 points of the second hole 1-6-2 with the second fin, the retaining board 1-5 and knob are offered on hole 1-5-2, the knob 1-6
It is not sequentially sleeved on shaft 1-3 by the first hole 1-5-2 and the second hole 1-6-2, wherein the first fin and the second fin are inserted
Enter in groove 1-3-2, knob 1-6 is axially fixed on shaft 1-3 by knob pin 1-10, knob 1-6 is prevented to be detached from shaft
1-3 so that shaft 1-3, retaining board 1-5 and knob 1-6 common rotations and stopping.
Endo-GIA further includes drag hook 1-11 under the hysteroscope, and drag hook slot 1-11-1 is offered on the drag hook 1-11,
The 1-3-3 that ships and resell on another market is fixed on the eccentric position of the shaft 1-3, the 1-3-3 that ships and resell on another market is inserted into drag hook slot 1-11-1, drag hook 1-
There is drag hook gib head 1-11-2, drag hook gib head 1-11-2 to catch on the square hole 4-1-2 of articular link plate 4-1, jaw group for 11 front end
The turning-bar of part 3 is caught in articular link plate gib head 4-1-1, the rotation of shaft 1-3, and by shipping and reselling on another market, 1-3-3 drives drag hook 1-11
It is moved forward and backward (after orientation arm is, before gun barrel direction is), drag hook 1-11 is driven successively before and after articular link plate 4-1 and turning-bar
It is mobile, the control that swings of jaw component 3 is completed, the swaying direction of jaw component 3 is consistent with the rotation direction of knob 1-6.
The both sides of the drag hook 1-11 have extended downwardly to be offered and leading arm 1- in leading arm 1-11-4, the lower swivel head 1-2
The leading arm slot of 11-4 cooperations, two leading arm 1-11-4 improve the mobile accuracy of drag hook, effectively prevent drag hook gib head 1-11-2
It is detached from square hole 4-1-2, improves the performance of the stapler.
Claims (5)
1. a kind of driving device for Endo-GIA under hysteroscope, the stapler includes jaw component (3) and sheath assembly
(4), described sleeve pipe component (4) includes drive rod (4-2), it is characterised in that：The driving device (2) includes shell (2-1), rotation
It the trigger (2-2) that is arranged on shell (2-1) and the rack (2-3) being arranged in shell (2-1), drive block (2-4) and cuts
Component (2-9) is changed, the drive block (2-4) is connected between trigger (2-2) and rack (2-3), drive block (2-4) rotation
It is arranged on trigger (2-2), the front end of the drive block (2-4) has the matched plectrum (2-4- of tooth form with rack (2-3)
1), cocking (2-2) drive block (2-4) is moved forward with rack (2-3) mating band carry-over bar (2-3), the rack (2-3)
It is connect with jaw component (3) by drive rod (4-2)；
The switching part (2-9) includes the switch bar (2-9-1) being arranged above the rear end shell (2-1) and is rotatably arranged on shell
Switching limited block (2-9-2) in body (2-1), limit elongated slot (2-3-1) is offered on the rack (2-3), and the switching limits
Switching torsional spring (2-9-3) is provided between position block (2-9-2) and shell (2-1), the switching torsional spring (2-9-3) acts on switching
Limited block (2-9-2) makes the boss (2-9-2-1) of the rear end switching limited block (2-9-2) be inserted into limit elongated slot (2-3-1), described
The bottom end of switch bar (2-9-1) has switching skewback (2-9-1-1), when pushing switch bar (2-9-1) forward, switches skewback
The inclined-plane of (2-9-1-1) squeezes and pushes away boss (2-9-2-1), and switching limited block (2-9-2) is made to rotate, and boss (2-9-2-1) is detached from limit
Bit length slot (2-3-1).
2. the driving device according to claim 1 for Endo-GIA under hysteroscope, it is characterised in that：The switch bar
The upper surface of (2-9-1) is provided with anti-slip tank (2-9-1-2).
3. the driving device according to claim 1 for Endo-GIA under hysteroscope, it is characterised in that：The driving device
(2) further include retaining component (2-10), the retaining component (2-10) includes the retaining flashboard (2- being arranged in shell (2-1)
10-1) and retaining torsional spring (2-10-2), the front end bottom surface of the rack (2-3) is offered coordinates with retaining flashboard (2-10-1)
The rear wall of flashboard groove (2-3-2), the flashboard groove (2-3-2) is sweptback inclined-plane, the tooth form of the rack (2-3)
For the sweptback helical teeth coordinated with retaining flashboard (2-10-1), the retaining torsional spring (2-10-2) is retaining flashboard (2-10-
1) top, which is caught in flashboard groove (2-3-2), provides screen resilience.
4. the driving device according to claim 3 for Endo-GIA under hysteroscope, it is characterised in that：The driving device
(2) further include reset components (2-11), the reset components (2-11) include withdraw button (2-11-1), restoring board (2-11-2),
Pin (2-11-4) and elastic element (2-11-5) are withdrawn, the side of the rack (2-3) is fixed with guide pin (2-11-6), described
Sweptback guiding kidney slot (2-11-3) is offered on restoring board (2-11-2), the pin (2-11-4) that withdraws is by rack
It (2-3), restoring board (2-11-2) and withdraws button (2-11-1) and links together, and guide pin (2-11-6) passes through and is oriented to kidney-shaped
Hole (2-11-3), one end of the elastic element (2-11-5), which is fixed on, to be withdrawn on pin (2-11-4), and the other end is fixed on tooth
On item (2-3), offer and withdraw button (2-11-1) cooperation on the shell (2-1) withdraws elongated slot (2-1-2), described to withdraw
The direction of elongated slot (2-1-2) is consistent with the moving direction of rack (2-3), when pull back withdraw button (2-11-1) when, elasticity member
Part (2-11-5) is in elongation state, and restoring board (2-11-2) pushes retaining flashboard (2-10-1), makes retaining flashboard (2-
It 10-1) is detached from the tooth form of flashboard groove (2-3-2) or rack (2-3), same to hour rack (2-3) moves backward.
5. the driving device according to claim 1 for Endo-GIA under hysteroscope, it is characterised in that：The driving device
(2) further include tension spring (2-5), the lower section of the shell (2-1) has handle (2-1-1), and the rear end of the drive block (2-4) is opened
Equipped with pulling eye (2-4-2), the drag hook of described tension spring (2-5) one end hooks in pulling eye (2-4-2), and the drag hook of the other end hooks hand
The lower part of handle (2-1-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810567792.9A CN108523955B (en) | 2018-06-05 | 2018-06-05 | Driving device for endoscopic cutting anastomat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810567792.9A CN108523955B (en) | 2018-06-05 | 2018-06-05 | Driving device for endoscopic cutting anastomat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108523955A true CN108523955A (en) | 2018-09-14 |
| CN108523955B CN108523955B (en) | 2024-05-28 |
Family
ID=63470143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810567792.9A Active CN108523955B (en) | 2018-06-05 | 2018-06-05 | Driving device for endoscopic cutting anastomat |
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| Country | Link |
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| CN (1) | CN108523955B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112617940A (en) * | 2021-03-09 | 2021-04-09 | 骄英医疗器械(上海)有限公司 | Anastomat capable of implementing prepressing and control method thereof |
| CN112656471A (en) * | 2020-12-21 | 2021-04-16 | 湖北瑞沃医药材料有限公司 | Steering device of endoscope cutting anastomat |
| CN112690891A (en) * | 2020-12-22 | 2021-04-23 | 博尔医疗科技常州有限公司 | Electrosurgical instrument capable of realizing left-right turning |
| WO2023015754A1 (en) * | 2021-08-09 | 2023-02-16 | 苏州美东汇成精密部件有限公司 | Active bending system of anastomat |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112656471A (en) * | 2020-12-21 | 2021-04-16 | 湖北瑞沃医药材料有限公司 | Steering device of endoscope cutting anastomat |
| CN112656471B (en) * | 2020-12-21 | 2022-05-31 | 湖北瑞沃医药材料有限公司 | Steering device of endoscope cutting anastomat |
| CN112690891A (en) * | 2020-12-22 | 2021-04-23 | 博尔医疗科技常州有限公司 | Electrosurgical instrument capable of realizing left-right turning |
| CN112617940A (en) * | 2021-03-09 | 2021-04-09 | 骄英医疗器械(上海)有限公司 | Anastomat capable of implementing prepressing and control method thereof |
| CN112617940B (en) * | 2021-03-09 | 2021-05-28 | 骄英医疗器械(上海)有限公司 | Anastomat capable of implementing prepressing and control method thereof |
| WO2023015754A1 (en) * | 2021-08-09 | 2023-02-16 | 苏州美东汇成精密部件有限公司 | Active bending system of anastomat |
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|---|---|
| CN108523955B (en) | 2024-05-28 |
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