The asymmetric annular cutting anastomat of tooth traceTechnical field
The present invention relates to stapling technique in anus reservation field, especially a kind of asymmetric annular cutting anastomat of tooth trace.
Background technology
For the most conventional tubular digestive tract stapler, nail bin and gun body are accomplished by changing after a single use, andAnd removing and installing inconvenience, doctor in operation, can delay operating time, efficiency, easily cause tissue the most sudden and the most violentReveal injured, increase the sick and wounded misery of patient.
Summary of the invention
In order to overcome the deficiency of existing technology, the invention provides a kind of asymmetric annular cutting anastomat of tooth trace.
The technical solution adopted for the present invention to solve the technical problems is: a kind of asymmetric annular cutting anastomat of tooth trace,Including nail anvil seat module, cartridge, clamping device module, pin control module, control knife module,
Nail anvil seat module is connected with cartridge, after pin control module is arranged on cartridge after being connected with control knife moduleSide, clamping device module installs control knife module rear；
Wherein, nail anvil seat module includes nail anvil seat, edge bearing, limited block, spring, sunk screw one, pin four composition；
Cartridge includes back seat, nail bin, boring cover: back seat is slotted, and nail bin has corresponding convex tendon and formed slideably with back seatCooperation, and the both sides that are connected with back seat of nail bin are provided with button bit and coordinate, and back seat is additionally provided with boring cover；
Clamping device module includes screw mandrel, pointer, instruction nut, knob assembly, sunk screw two, pin five composition: set of knobsPart front end connects screw mandrel, and is laterally fixed by pin five, and screw mandrel is provided with bidirectional helical, and pointer is arranged on instruction nutOn, and fixed by sunk screw two, instruction nut sleeve is on screw mandrel, and pointer compresses bidirectional helical；
Pin control module includes nail pushing plate, pin, pin slide, block of pushing pin, control pin push rod composition；
Control knife module includes knife assembly, control cutter lock dog, guide plate, control storehouse bar, internal control cutter spanner, torsion spring, external control cutter spanner, pinTwo, control tool rest, connecting plate, pin three, control knife plate, binding nut, cervical branch support, case, bracer, lock tube, pin one.
According to another embodiment of the invention, farther include, in described nail anvil seat module, edge bearing and nail anvil seat cambered surfaceLaminating, limited block is installed on nail felt seat stopper slot, and the moving tooth of limited block exposes outside, and is provided with spring, spring housing before limited blockOn sunk screw one, the jaw of nail felt seat is provided with pin four.
According to another embodiment of the invention, farther include, in described pin control module, the nail bin rear of cartridgeArranging nail pushing plate, nail bin and nail pushing plate are inserted in pin one end, and the other end of pin is buckled in pin slide, and pin slide is arranged on leading of nail binIn groove, control pin push rod one end is buckled on pin slide, and the other end is contained in pushes pin on block, pushes pin packaged in the guide groove of nail bin.
According to another embodiment of the invention, farther including, in described control knife module, knife assembly inserts cartridgeBack seat in its stop, control cutter lock dog buckles in the elongated hole of knife assembly, pushes away control cutter lock dog to the top dead centre in elongated hole, controls knife plateEnd is inserted in the fixing groove of knife assembly, pushes back downwards control cutter lock dog locking control knife plate, and control cutter lock dog is in the elongated hole of knife assemblyPromote up and down；Internal control cutter spanner is arranged in external control cutter spanner, and end is fixed by pin two, and control tool rest is arranged on internal control cutter and pullsHands end, and junction is provided with torsion spring, connecting plate one end connects control tool rest, the other end connect control storehouse bar, and connecting plate with control storehouse bar evenConnect end and cross pin three；The nail bin of cartridge is buckled in control bar front end, storehouse, and guide plate is buckled in the middle part of the bar of control storehouse, binding nutOne end is buckled in control storehouse rod rear end, the connection wire rod of other end clamping device module and knob assembly；External control cutter spanner front end is coverShell, case is provided with stairstepping guiding groove, has been provided with the pin three of guiding function in guiding groove, and bracer is arranged on case side,And being fastened by pin one, lock tube threaded one end connects case front end, other end hoop cervical branch and is supportted one end, the other end of cervical branch supportIt is connected with the back seat of cartridge.
According to another embodiment of the invention, farther including, described control knife module has two kinds of motions, air transport dynamic andCutting movement.
According to another embodiment of the invention, farther including, when carrying out air transport and moving, the nail bin of cartridge is buckled inOn the bar of control storehouse, one end of binding nut is buckled on the bar of control storehouse, the connection wire rod of other end clamping device module and knob assembly, silkBar rotates and drives binding nut and control storehouse bar advance or retreat, knife assembly passive exercise under the drive of nail bin simultaneously.
According to another embodiment of the invention, farther include, when carrying out cutting movement, when clamping human body to be performed the operationDuring tissue, pin three is gone at displacement, pulls external control cutter spanner, and pin three falls under control knife plate in the guiding groove guiding of caseNotch, promotes control knife plate to advance and realizes cutting, unclamp external control cutter spanner, and under torsion spring effect, pin three is along backtracking, drivesKnife assembly resets.
The invention has the beneficial effects as follows, the present invention can realize the rectilinear direction quick change of nail bin box, and nail bin conveniently removes and installs,One gun body can join multiple nail bin, reduces cost, saves operating time, improves security performance.
Accompanying drawing explanation
The present invention is further described with embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the overall structure schematic diagram of the present invention.
Fig. 2 is overall structure explosive view of the present invention.
Fig. 3 is nail anvil seat explosive view of the present invention.
Fig. 4 is nail anvil seat side view of the present invention.
Fig. 5 is that nail anvil seat end face of the present invention rotates schematic diagram.
Fig. 6 is A-A section sectional view in Fig. 5.
Fig. 7 is nail bin explosive view of the present invention.
Fig. 8 is nail bin side view of the present invention.
Fig. 9 is nail bin end view drawing of the present invention.
Figure 10 is B-B section sectional view in Fig. 9.
Figure 11 is clamping device explosive view of the present invention.
Figure 12 is pin control module explosive view of the present invention.
Figure 13 is overall structure sectional view of the present invention.
Figure 14 is I portion enlarged drawing in Figure 13.
Figure 15 is control knife module explosive view of the present invention.
Figure 16 is control knife plate scheme of installation of the present invention.
Figure 17 is that control knife plate of the present invention installs lateral side view.
Figure 18 is C-C section sectional view in Figure 17.
In figure 1, nail anvil seat, 2, edge bearing, 3, limited block, 4, back seat, 5, nail bin, 6, boring cover, 7, nail pushing plate, 8, knife assembly,9, cervical branch support, 10, control cutter lock dog, 11, pin, 12, pin slide, 13, block of pushing pin, 14, control pin push rod, 15, case, 16, bracer,17, guide plate, 18, control storehouse bar, 19, screw mandrel, 20, pointer, 21, instruction nut, 22, knob assembly, 23, internal control cutter spanner, 24, outerControl cutter spanner, 25, control tool rest, 26, connecting plate, 27, lock tube, 28, control knife plate, 29, binding nut, 30, guiding groove, B1, spring,B2, sunk screw one, B3, pin one, B4, sunk screw two, B5, torsion spring, B6, pin two, B7, pin three, B8, pin four,B9, pin five.
Detailed description of the invention
Such as Fig. 1, shown in 13, a kind of asymmetric annular cutting anastomat of tooth trace, including nail anvil seat module, cartridge, folderTight apparatus module, pin control module, control knife module, nail anvil seat module is connected with cartridge, pin control module and control knife moduleBeing arranged on cartridge rear after being connected, clamping device module installs control knife module rear.
As in figure 2 it is shown, wherein, nail anvil seat module includes nail anvil seat 1, edge bearing 2, limited block 3, spring B 1, sunk screw oneB2, pin four B8 form；Cartridge includes back seat 4, nail bin 5, boring cover 6；Clamping device module include screw mandrel 19, pointer 20,Instruction nut 21, knob assembly 22, sunk screw two B4, pin five B9 composition；Pin control module includes that nail pushing plate 7, pin 11, pin are slidingSeat 12, block 13 of pushing pin, control pin push rod 14 form；Control knife module include knife assembly 8, control cutter lock dog 10, guide plate 17, control storehouse bar 18,Internal control cutter spanner 23, torsion spring B5, external control cutter spanner 24, pin two B6, control tool rest 25, connecting plate 26, pin three B7, control knife plate 28,Binding nut 29, cervical branch support 9, case 15, bracer 16, lock tube 27, pin one B3.
As shown in Fig. 2,3,4,5,6, in nail anvil seat module, edge bearing 2 is fitted with nail anvil seat 1 cambered surface, and limited block 3 is installed on nailOn felt seat 1 stopper slot, the moving tooth of limited block 3 exposes outside, and limited block 3 is above provided with spring B 1, and spring B 1 is placed on sunk screw oneOn B2, the jaw of nail felt seat 1 is provided with pin four B8.During work, promoting limited block 3 to move down, limited block 3 can depart from spacingGroove, nail anvil seat 1 is around pin four B8 half-twist；Reversely nail anvil seat 1 forwards position to, decontrols limited block 3, spring B 1 promote limited block 3Positioning action is realized, the most convenient dismounting nail bin in the stopper slot of nail felt seat 1.
As shown in Fig. 2,7,8,9,10, in cartridge, back seat 4 is slotted, and nail bin 5 has corresponding convex tendon and back seat 4 shapeBecome cooperation slideably, and the both sides that nail bin 5 is connected with back seat 4 are provided with button bit cooperation 41, and back seat 4 is additionally provided with boring cover 6.AfterSeat 4 is formed with nail bin 5 and slideably to coordinate, and also buckle structure was the most both easily installed, and improves again anastomat assembling and workThe precision made.This is the design point one of the present invention.
As shown in Fig. 2,11,12,13, in clamping device module, knob assembly 22 front end connects screw mandrel 19, and passes through pinFollowing closely five B9 laterally to fix, screw mandrel 19 is provided with bidirectional helical, and pointer 20 is arranged on instruction nut 21, and by sunk screw twoB4 fixes, and instruction nut 21 is enclosed within screw mandrel 19, and pointer 20 compresses bidirectional helical.Rotary components 22, the rotation of screw mandrel 19Driving instruction nut 21 to move, pointer 20 is arranged on instruction nut 21, utilizes the movement of instruction nut 21 accurately to control pointerMobile, it is achieved the accurate display of size.This is the design point two of the present invention.
Such as Fig. 2, shown in 12, in pin control module, nail bin 5 rear of cartridge arranges nail pushing plate 7, and nail is inserted in pin 11 one endStorehouse 5 and nail pushing plate 7, the other end of pin 11 is buckled in pin slide 12, and pin slide 12 is arranged in the guide groove of nail bin 5, controls pin push rod14 one end are buckled on pin slide 12, and the other end is contained in pushes pin on block 13, and block 13 of pushing pin is contained in the guide groove of nail bin 5.So, mobileBlock 13 of pushing pin just can control pin and advances or retreat.
As shown in Fig. 2,13,14,15,16,17,18, in control knife module, knife assembly 8 inserts in the back seat 4 of cartridge extremelyIts stop, control cutter lock dog 10 buckles in the elongated hole of knife assembly 8, pushes away the top dead centre in control cutter lock dog 10 to elongated hole, controls knife plate 28 endPortion inserts in the fixing groove of knife assembly 8, pushes back downwards control cutter lock dog 10 locking control knife plate 28, and control cutter lock dog 10 is at knife assembly 8Promote up and down in elongated hole；Internal control cutter spanner 23 is arranged in external control cutter spanner 24, and end is fixed by pin two B6, controls tool rest 25Being arranged on internal control cutter spanner 23 end, and junction is provided with torsion spring B5, connecting plate 26 one end connects control tool rest 25, and the other end connects controlStorehouse bar 18, and connecting plate 26 is connected end with control storehouse bar 18 and crossed pin three B7；Before the nail bin 5 of cartridge is buckled in control storehouse bar 18End, guide plate 17 is buckled in the middle part of control storehouse bar 18, and one end of binding nut 29 is buckled in control bar 18 rear end, storehouse, other end clamping device mouldThe connection wire rod 19 of block and knob assembly 22；External control cutter spanner 24 front end is case 15, and case 15 is provided with stairstepping guiding groove30, it is provided with pin three B7 of guiding function in guiding groove 30, bracer 16 is arranged on case 15 side, and tight by pin one B3Gu, lock tube 27 threaded one end connects case 15 front end, and other end hoop cervical branch and supportted 9 one end, the other end of cervical branch support 9 and nail bin mouldThe back seat 4 of block connects.
Control knife module has two kinds of motions, and air transport is moved and cutting movement.
When carrying out air transport and moving, air transport dynamic namely nail bin motion, the nail bin 5 of cartridge is buckled on control storehouse bar 18, folderOne end of jack panel 29 is buckled on control storehouse bar 18, the connection wire rod 19 of other end clamping device module and knob assembly 22, screw mandrel19 rotations drive binding nut 29 and control storehouse bar 18 advance or retreat, knife assembly 8 passive exercise under the drive of nail bin 5 simultaneously.
When carrying out cutting movement, when clamping tissue to be performed the operation, pin three B7 goes at displacement, pulls external control cutterSpanner 24, pin three B7 guides at the guiding groove 30 of case 15 and falls into control 28 times notches of knife plate, promotes control knife plate 28 to advance realityNow cutting, unclamp external control cutter spanner 24, under torsion spring B5 effect, pin three B7 resets along backtracking, band moving knife component 8.GuideGroove 30 is the design point three of the present invention.
The present invention can realize the rectilinear direction quick change of nail bin box, and nail bin conveniently removes and installs, and a gun body can be joined multipleNail bin, reduces cost, saves operating time, improves security performance.The present invention is applicable to digestive system, and assembling of addling is residualThe cutting Guan Bi of end, the particularly operation such as hemorrhoid, anal fistula use, but it is not limited to this.