Driving device for Endo-GIA under hysteroscopeTechnical field
The invention belongs to the field of medical instrument technology more particularly to a kind of driving dresses for Endo-GIA under hysteroscopeIt 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 SurgeryThe instrument for being in line and hammering into tissue, and simultaneously cut off the tissue between identical staple line with cutter, and it is extensiveOne of instrument applied to Minimally Invasive Surgery is mainly used for abdominal surgery, gynaecology, paediatrics and during thoracic surgery is open or endoscopic surgeryTissue 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 toolThe 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 2-1And 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 2-6On 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 2-1-1Machine 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 movementsAfterwards, 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 flashboardThe 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 outwardlyDeep 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, shellThe 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 2-9-1Semicircular 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 2-9-1There 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 2-9-1In 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 timeIn 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 block2-9-1-3 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 2-10-1Coordinate 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 3It 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 handArt risk；Though being provided with semicircular protection fence 2-1-3 protections switch bar 2-9-1 on shell 2-1 prevents in surgical procedureMaloperation, but when needing to operate switch bar 2-9-1, narrow space, more difficult quickly accurate of switch bar 2-9-1Pressing 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 trouth2-10-1-1 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 forwardMobile 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 dockLever 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 toothThe 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 inconvenientThe 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 hysteroscopeThe driving device of device, the stapler include jaw component and sheath assembly, and described sleeve pipe component includes drive rod, driving dressIt sets including shell, the trigger being rotatably arranged on shell and the rack being arranged in shell, drive block and switching part, it is describedDrive block is connected between trigger and rack, and the drive block is rotatably arranged on trigger, the front end of the drive block have withThe matched plectrum of tooth form of rack, cocking drive block are moved forward with rack mating band carry-over bar, and the rack passes throughDrive 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 limitPosition block, offers limit elongated slot on the rack, switching torsional spring, the switching is provided between switching limited block and the shellTorsional 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 hasSwitch skewback, when forward push switch bar when, switch skewback inclined-plane squeeze push away boss, make switching limited block rotate, boss be detached fromLimit elongated slot.
Preferably, the upper surface of described switch bar is provided with anti-slip tank.Stapler operating reliability and comfort level are improved, greatlyIt 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 shellFlashboard and retaining torsional spring, the front end bottom surface of the rack offer the flashboard groove coordinated with retaining flashboard, the flashboard grooveRear wall be sweptback inclined-plane, the tooth form of the rack be the sweptback helical teeth coordinated with retaining flashboard, it is described stopBack 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 coordinatesBand 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, structureIt is rationally reliable, reduce operation risk.
Further, which further includes reset components, and the reset components include withdrawing button, restoring board, withdrawingPin and elastic element, the side of the rack are fixed with guide pin, sweptback guiding kidney-shaped are offered on the restoring boardHole, 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 bulletProperty element one end be fixed on and withdraw on pin, the other end is fixed on rack, offers and withdraw button cooperation on the shellWithdraw elongated slot, the direction for withdrawing elongated slot is consistent with the moving direction of rack, when pull back withdraw button when, elastic elementIn 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 toothItem moves backward.When relieving withdraws button, elastic element drives restoring board to bounce, and restoring board is detached from retaining flashboard, retaining flashboardTop be caught in the tooth form of rack again, prevent rack from retracting, the reset components simple and ingenious structure, simple operation, cost compared withIt is low.
Preferably, the driving device further includes tension spring, the lower section of the shell has handle, the rear end of the drive blockPulling 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 simultaneouslyScreen 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 barIt touches, ensures the safety during the stapler use, reduce operation risk；Anti-slip tank is set on switch bar, improves kissClutch operating reliability and comfort level greatly improve customer experience, reduce operation risk；The boss of limited block is inserted into limit elongated slotIn, 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 blockWhen, retaining flashboard improves validity and stability that stapler uses without departing from the limitation of flashboard groove；The present invention's is used forThe 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 cutsIt 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 habitIt 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 notSignal)；
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 dialledBlock, 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, solid2-1-2, 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, lockPlate 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, drawingSpring, 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 cutSkewback 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 roundSpring, 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 withdrawn1, 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 groupPart 3 and sheath assembly 4, described sleeve pipe component 4 include drive rod 4-2, which includes shell 2-1, is rotatably arranged on shellTrigger 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 drivingBlock 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 drivingDevice 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 drawingThe 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 2-1-1Portion, 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 andRack 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 drivingBar 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 shellOffered 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 withSwitching 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 limitThe 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 obliqueBlock 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 switchingLimited 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 includesThe 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 withThe 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, instituteThe 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 2-10-2The 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 withdrawingButton 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, leadsTo 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-shapedHole 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, anotherEnd 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 timeThe 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 flashboardThe 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 shellThe 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, shellInsurance 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 madeOne 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 2-1Between 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 contactedState 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'sOne 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 toIn driving device 2, then jaw component 3 is docked on sheath assembly 4, when jaw component 3 is docked on sheath assembly 4, pincersMouthful 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 pusherDynamic 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 rod4-2 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 dockedOnto sheath assembly 4, when jaw component 3 is docked on sheath assembly 4, jaw component 3 pushes sequentially connected in casing leadIt 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 backwardIt 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 timeLimit 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 rackThe 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 component3 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 2-9-2The 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 pincersThe 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 withdrawnThe 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, multiplePosition 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 2-3Tooth 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 againSecondary opening, again clamping need the tissue of operative site, repeat aforesaid operations, solve doctor and tissue is clamped repeatedly, on the one hand make groupIt 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 3During 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 limitBit 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 toPreceding 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 connectDynamic 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 slot2-11-3 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 backButton 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 oneDriving 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 1Including 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 setIt 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 shaftOn 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 1-6The 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 drivesShifting 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 1-9It 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 1-11Front 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 3Enter in articular link plate gib head 4-1-1, to which jaw component 3 is rigidly connected with entire transfer 1, as knob 1-6When 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 togetherIt 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 (armAfter 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 jawThe weave control of component 3.
Embodiment three
The present embodiment provides Endo-GIA under a kind of hysteroscope, which includes transfer 1 and embodiment oneDriving 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 dressIt 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 upperSwivel 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 1-3Dynamic 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 1-4-2Amount 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 limitsThe 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 stopInverse 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 1-51-5-1 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, instituteIt 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 knob1-6 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 itBetween, 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, onlyIt 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 angleTooth 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 toIt 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 1-7Or 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 boss1-6-1, 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 thatThe 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 1-31-6 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 1-6It 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 insertedEnter 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 shaft1-3 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 endThe 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 1-11It 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-barIt 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 1-2The 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 1-11-2It is detached from square hole 4-1-2, improves the performance of the stapler.