CN209770458U - automatic trigger device for anorectal ligation device - Google Patents
automatic trigger device for anorectal ligation device Download PDFInfo
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- CN209770458U CN209770458U CN201920197580.6U CN201920197580U CN209770458U CN 209770458 U CN209770458 U CN 209770458U CN 201920197580 U CN201920197580 U CN 201920197580U CN 209770458 U CN209770458 U CN 209770458U
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Abstract
The utility model discloses an automatic trigger device for an anorectal ligation device, which comprises a ligation mechanism, a trigger mechanism and a control mechanism, wherein the ligation mechanism comprises an inner gun tube, a push sleeve and a wire tightening component, the push sleeve is sleeved on the inner gun tube, an anti-reset structure is arranged between the push sleeve and the inner gun tube, the wire tightening component is arranged along the outer wall of the push sleeve and is at least provided with one, and the wire tightening component is arranged on the push sleeve; firing mechanism includes electric jar, direction promotion piece and breather pipe footstock, and direction promotion piece sliding connection is on the breather pipe footstock, and the electric jar is fixed to be set up in the lower surface of breather pipe footstock, and the telescopic link of electric jar is just to the direction promotion piece setting, and interior rifle pipe detachably connects on the breather pipe footstock, and control mechanism includes controller and switch circuit, and the electric jar is connected through switch circuit control to the controller. The utility model discloses can prevent that medical personnel from used repeatedly ligation mechanism, and ligation mechanism tears open and trades the convenience, can avoid cross infection, convenient operation, safety.
Description
Technical Field
The utility model relates to the field of medical equipment, especially, relate to an automatic trigger device for anorectal ligation device.
background
The common method for treating hemorrhoids adopts a ligation operation, and the principle is that a special rubber ring is ligated at the root or the base of the hemorrhoids, and the blood supply of the hemorrhoids is blocked by the elastic retraction force of the rubber ring, so that the hemorrhoids are necrotized, atrophied and shed, thereby achieving the purpose of healing; at present, the instruments for performing the ligation operation generally adopt a ligation device, the ligation device adsorbs superior mucosa of the primary hemorrhoid through vacuum, and the superior artery of the hemorrhoid is immediately blocked after the ligation of elastic threads, so as to achieve the purpose of minimally invasive hemorrhoid.
The existing ligation device on the market is mostly in a hand gun type, the ligation device can only be used once, and under the requirements of low cost and low consumption of medical appliances, the condition that one patient adopts one set of treatment appliance is not beneficial to reducing the medical cost.
the patent with the patent number of 201610036268X and the name of the invention of 'reusable ligation device' can disassemble and assemble the suction pipe and the push rod 322 part, and one patient corresponds to one set of the replaceable suction pipe and the replaceable push rod, so that the ligation device can be reused, thereby facilitating the use of medical personnel and reducing the medical cost.
Above technical scheme does not have a set of structure and prevents same set of straw and push rod reuse, if medical personnel appear in disorder etc. reason not change straw and push rod, germ cross infection scheduling problem probably appears, is unfavorable for patient's treatment recovered.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the weak point among the prior art, provide an automatic trigger device for anorectal ligation device, the mechanism is pricked to the cover tears the convenience open and trades to can prevent that medical personnel's used repeatedly ligation mechanism, can avoid cross infection.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
An automatic trigger device for an anorectal ligation device comprises a ligation mechanism, a trigger mechanism for triggering the ligation mechanism and a control mechanism;
The loop ligature mechanism comprises an inner gun tube, a pushing sleeve and a line tightening assembly for loop ligaturing focal tissues, the pushing sleeve is sleeved on the inner gun tube and can move relative to the inner gun tube, a reset prevention structure for preventing the pushing sleeve from resetting after moving is arranged between the pushing sleeve and the inner gun tube, the line tightening assembly is arranged along the outer wall of the pushing sleeve and is provided with at least one line tightening assembly, and the line tightening assembly is arranged on the pushing sleeve;
Firing mechanism includes electric jar, direction promotion piece and breather pipe footstock, and direction promotion piece sliding connection is on the breather pipe footstock, and the electric jar is fixed to be set up in the lower surface of breather pipe footstock, and the telescopic link of electric jar is just setting up the direction promotion piece, interior barrel detachably connects on the breather pipe footstock, the electric jar links to each other with control mechanism.
the control mechanism comprises a controller and a switch circuit, and the controller is connected with the electric cylinder through the switch circuit.
preferably, the switching circuit includes a first switching tube and a second switching tube, a gate of the first switching tube is connected to an I/O port of the controller through a first resistor, the gate of the first switching tube is also grounded through a second resistor, a source of the first switching tube is grounded, a drain of the first switching tube is connected to a gate of the second switching tube through a third resistor, a drain of the second switching tube is also grounded through a fourth resistor, a source of the second switching tube is grounded, a drain of the second switching tube is grounded through a first diode, and a drain of the second switching tube is also connected to the capacitor.
Preferably, the one end of interior barrel is suction nozzle portion, and the other end of interior barrel is grafting portion, with preceding in suction nozzle portion position, with grafting portion position as the back, the fixed intercommunication of grafting portion is provided with joint portion between suction nozzle portion and the grafting portion, joint portion is close to grafting portion one side, the guide way has been seted up to the symmetry in the joint portion, link up around the guide way, sliding connection has the promotion to overlap the stopper in the guide way, the third joint groove has been seted up to the tank bottom of guide way, the symmetry is provided with first buckle in the joint portion.
Preferably, the specific structure of the anti-reset structure is as follows: the tail end symmetry that promotes the cover is provided with the second buckle, and the one side that is close to interior barrel axis on the promotion cover stopper is provided with second joint groove, and second buckle joint is provided with the third buckle at second joint inslot, and the one side of keeping away from interior barrel axis on the promotion stopper is provided with the third buckle, before the promotion cover takes place the displacement to the internal barrel relatively, and the third buckle is located second joint inslot, promotes the cover and takes place the displacement back to the internal barrel relatively, and the third buckle joint is at third joint inslot.
Preferably, an inner gun tube sealing ring is arranged on the insertion part of the inner gun tube.
preferably, the wire tightening assembly comprises an elastic wire, a wire tightening pipe, a wire tightening cap and a wire tightening clamping head, wherein the front end of the elastic wire is provided with a ring sleeve with adjustable aperture, the rear end of the elastic wire is provided with a wire knot, the middle part of the elastic wire penetrates through the wire tightening pipe, the front end of the wire tightening pipe is provided with the wire tightening cap, and the rear end of the wire tightening pipe is provided with the wire tightening clamping head; before operation, the ring sleeve is sleeved on the inner gun tube and is arranged on the front end face of the pushing sleeve.
Preferably, the tight line subassembly is still including installing the solid fixed ring on the promotion cover, and the fixed spacing ring that is provided with in afterbody of promotion cover, gu fixed ring installs between the joint portion of spacing ring and interior barrel, gu be provided with the joint position on the fixed ring, the afterbody of tight spool is installed in the joint position.
Preferably, the vent pipe top seat comprises a barrel connecting part and a pipeline connecting part, negative pressure channels which are mutually communicated are arranged in the barrel connecting part and the pipeline connecting part, the barrel connecting part and the inner barrel are coaxially arranged, and the tail end of the inner barrel is inserted in the barrel connecting part;
The bilateral symmetry of barrel connecting portion is provided with the guided way, has seted up first joint groove on the guided way, and the first buckle joint on the interior barrel joint portion is in first joint inslot.
Preferably, a guide cavity which is communicated with the front and the back is formed in the guide pushing block, the guide pushing block is connected to the top seat of the vent pipe in a sliding mode through the guide cavity, push rods matched with the pushing sleeve limiting blocks are symmetrically arranged at the front end of the guide pushing block, and a transmission block which is in contact with the trigger switch is arranged on the lower portion of the guide pushing block.
Preferably, the push rod is provided with a limit step, the length of the limit step is smaller than that of the push sleeve limit block, and the length of the push sleeve limit block is larger than the stroke of the push sleeve for displacement.
the utility model discloses following beneficial effect has:
(1) The utility model discloses a prevent that reset structure accessible third buckle joint is in third joint inslot, prevents barrel and push sleeve in the used repeatedly, and when accomplishing once the promotion action, it is spacing by the third joint groove on the interior barrel joint portion to push sleeve stopper, and unable return can realize preventing the function of used repeatedly consumptive material, reaches the disposable requirement of consumptive material.
(2) The utility model discloses when using, accomplish through first joint groove and first buckle and to dismantle the connection, tear open and trade the convenience, the direction promotes the piece and promotes a set stopper and promote the cover under the effect of electric jar for promote the cover and remove the back forward, convenient operation.
(3) Through the electric cylinder, can drive and promote a set stopper and drag the cover and move along to push away the ring cover of elastic wire to the position that needs the cover to prick, the flexible length accessible controller of electric cylinder is adjusted, can adjust the flexible length of electric cylinder according to the state of an illness when using, thereby makes medical personnel's operation more accurate.
The utility model discloses can prevent that medical personnel from used repeatedly ligation mechanism, and ligation mechanism tears open and trades the convenience, can avoid cross infection, convenient operation, safety.
drawings
Fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is an exploded view of FIG. 1;
Fig. 3 is a schematic plan view of the present invention;
FIG. 4 is a schematic cross-sectional view taken from above in FIG. 4;
FIG. 5 is a schematic cross-sectional view of the present invention (before the pushing sleeve is moved);
FIG. 6 is a second schematic sectional view of the present invention (after the pushing sleeve is moved);
FIG. 7 is an enlarged partial schematic view at C of FIG. 7;
Fig. 8 is a schematic circuit diagram of the switching circuit of the present invention.
Reference numerals: 21. inner barrel, 22, pushing sleeve, 23, tightening assembly;
211. The gun barrel comprises a sucker part, a 212, an inserting part, a 213, a clamping part, a 214, a guide groove, a 215, a pushing sleeve limiting block, a 216, a third clamping groove, a 217, a first buckle and a 218 inner gun tube sealing ring;
221. A second buckle 222, a second buckle groove 223, a third buckle 224 and a limit ring;
232. A wire tightening pipe, 233, a wire tightening cap, 234, a wire tightening joint, 235, a loop, 236, a knot; 237. a fixing ring, 238, a clamping position, 239, a first anti-slip edge;
31. The electric cylinder, 32, the guide pushing block, 33, the vent pipe top seat and 34, the extension spring;
321. A guide cavity, 322, a push rod, 323, a transmission block, 324 and a limit step;
331. Barrel connection, 332, duct connection, 334, guide rail, 335, first snap groove, 336, vent seat gasket, 337, vent seat gasket.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.
As shown in figures 1 to 8, the utility model discloses an automatic trigger device for anorectal ligation device, which comprises a control mechanism, a ligation mechanism and a trigger mechanism for triggering the ligation mechanism, wherein the control mechanism controls and connects the trigger mechanism.
the loop ligature mechanism includes interior barrel 21, promotes cover 22 and is used for the loop ligature focus subassembly 23 of organizing, and the promotion cover 22 cover is established including on barrel 21 and promote cover 22 can take place the displacement relatively to interior barrel 21, promotes to be equipped with between cover 22 and the interior barrel 21 to be used for preventing that the anti-reset structure that resets after promoting cover 22 displacement, and loop ligature subassembly 23 sets up and is equipped with one at least along the outer wall that promotes cover 22, and loop ligature subassembly 23 is installed on promoting cover 22.
The one end of interior barrel 21 is suction nozzle portion 211, the other end of interior barrel 21 is grafting portion 212, use preceding suction nozzle portion 211 position, use grafting portion 212 position as the back, grafting portion 212 fixed intercommunication is in the rear side of suction nozzle portion 211, be provided with joint portion 213 between suction nozzle portion 211 and the grafting portion 212, joint portion 213 is close to grafting portion 212 one side, guide way 214 has been seted up to the symmetry on joint portion 213, guide way 214 link up from front to back, sliding connection has promotion cover stopper 215 in guide way 214, third joint groove 216 has been seted up to the tank bottom of guide way 214, the symmetry is provided with first buckle 217 on joint portion 213, joint portion 213 can dismantle through first buckle 217 and connect on supporting handle, this connected mode is the buckle connected mode commonly used among the prior art.
The specific structure of the anti-reset structure is as follows: the tail end symmetry of push sleeve 22 is provided with second buckle 221, one side that is close to interior barrel 21 axis on push sleeve stopper 215 is provided with second joint groove 222, second buckle 221 joint is in second joint groove 222, one side of keeping away from interior barrel 21 axis on push sleeve stopper 215 is provided with third buckle 223, push sleeve 22 takes place the displacement in relative interior barrel 21 before, third buckle 223 is located second joint groove 222, push sleeve 22 takes place the displacement in relative interior barrel 21 after, third buckle 223 joint is in third joint groove 216, once the promotion action when accomplishing, it is spacing by third joint groove 216 on interior barrel joint portion 213 to push sleeve stopper 215, unable return, can prevent used repeatedly the utility model discloses a ligation mechanism reaches the disposable operation requirement of consumptive material.
The plug part 212 of the inner barrel 21 is provided with an inner barrel sealing ring 218, which plays a sealing role when the plug part 212 is detachably connected to a matched handle, and keeps the sealing performance of the working state.
The stringing component 23 comprises an elastic string, a stringing tube 232, a stringing cap 233 and a stringing clamping head 234, wherein the front end of the elastic string is provided with a ring sleeve 235 with adjustable aperture, the front end of the elastic string is looped around a ring and then forms a slipknot with the elastic string, the rear end of the elastic string is provided with a knot 236, the middle part of the elastic string is arranged in the stringing tube 232 in a penetrating way, the front end of the stringing tube 232 is provided with the stringing cap 233, the rear end of the stringing tube 232 is provided with the stringing clamping head 234, the ring sleeve 235 is limited by the stringing cap 233, and the knot 236 is limited by the stringing clamping head 234; before operation, the ring sleeve 235 is sleeved on the inner barrel and is limited and arranged at the front end face of the pushing sleeve 22, and when the rear end of the elastic line is pulled backwards, the hole diameter of the ring sleeve 235 at the front end of the elastic line is gradually reduced.
the inner diameter of the pushing sleeve 22 is matched with the outer diameter of the inner gun tube 21, when the pushing sleeve 22 is displaced relative to the inner gun tube 21, the front end surface of the pushing sleeve 22 pushes out the ring sleeve 235 at the front end of the elastic line, so that the ring sleeve 235 is tied at the root of the hemorrhoid.
The stringing assembly 23 further comprises a fixing ring 237 installed on the pushing sleeve 22, the tail of the pushing sleeve 22 is fixedly provided with a limit ring 224, the fixing ring 237 is installed between the limit ring 224 and the clamping portion 213 of the inner barrel 21, the fixing ring 237 is provided with a clamping position 238, and the tail of the stringing tube 232 is installed in the clamping position 238.
the inner wall of the fixing ring 237 is provided with a plurality of first anti-slip ribs 239 at even intervals along the circumferential direction, so that the fixing ring 237 is prevented from rotating on the push sleeve.
breather pipe footstock 33 includes barrel connecting portion 331 and pipeline connecting portion 332, is provided with the negative pressure passageway of mutual intercommunication in barrel connecting portion 331 and the pipeline connecting portion 332, and barrel connecting portion 331 sets up with interior barrel 21 coaxial and the tail end of interior barrel 21 is pegged graft in barrel connecting portion 331, and pipeline connecting portion 332 is used for communicating with the negative pressure pump.
The bilateral symmetry of barrel connecting portion 331 is provided with guided way 334, has seted up first joint groove 335 on the guided way 334, and the first buckle 217 joint on the joint portion 213 of interior barrel 21 is in first joint groove 335, sets up guided way 334 and can carry on spacingly to the direction promotion piece 32, prevents that its dislocation from leading to unable promotion push sleeve 22. A vent seat gasket 336 is mounted between the rear end of the inner barrel 21 and the barrel connecting portion 331, and a vent seat gasket 337 is mounted on the duct connecting portion 332.
a guide cavity 321 which is through from front to back is formed in the guide pushing block 32, the guide pushing block 32 is connected to the vent pipe top seat 33 in a sliding mode through the guide cavity 321, push rods 322 which are matched with the pushing sleeve limiting block 215 are symmetrically arranged at the front end of the guide pushing block 32, and a transmission block 323 is arranged at the lower portion of the guide pushing block 32.
the push rod 322 is provided with a limit step 324, the length of the limit step 324 is smaller than that of the push sleeve limit block 215, and the length of the push sleeve limit block 215 is larger than the displacement stroke of the push sleeve 22, so that the push action is prevented from being invalid.
The firing mechanism comprises an electric cylinder 31, a guide pushing block 32 and a vent pipe top seat 33, the guide pushing block 32 is slidably connected onto the vent pipe top seat 33, the electric cylinder 31 is fixedly arranged on the lower surface of the vent pipe top seat 33, a telescopic rod of the electric cylinder 31 is just opposite to the guide pushing block 32, the electric cylinder 31 is opened, the telescopic rod of the electric cylinder 31 pushes the guide pushing block 32 to move through a transmission block 323, and an inner gun tube 21 is detachably connected onto the vent pipe top seat 33.
The control mechanism comprises a controller and a switch circuit, the controller is connected with the electric cylinder 31 through the switch circuit in a control mode, the switch circuit comprises a first switch tube Q1 and a second switch tube Q2, the grid electrode of the first switch tube Q1 is connected with an I/O port of the controller through a first resistor R1, the grid electrode of the first switch tube Q1 is further grounded through a second resistor R2, the source electrode of the first switch tube Q1 is grounded, the drain electrode of the first switch tube Q1 is connected with the grid electrode of the second switch tube Q2 through a third resistor R3, the drain electrode of the second switch tube Q2 is further grounded through a fourth resistor R4, the source electrode of the second switch tube Q2 is grounded, the drain electrode of the second switch tube Q2 is grounded through a first diode D1, and the drain electrode of the second switch tube Q2 is further connected with the electric cylinder 31.
the I/O port of the controller outputs signals to enable the first switch tube Q1 and the second switch tube Q2 to be conducted, the telescopic rod of the electric cylinder 31 extends out to drive the guide pushing block 32 and the pushing sleeve limiting block 215 to move forwards, so that the ring sleeve 235 of the elastic wire can be pushed to a position needing to be sleeved and tied, the telescopic length of the electric cylinder 31 can be adjusted through the controller, the working principle and the working process of the electric cylinder, and the connection relation between the controller and the electric cylinder are the prior art and are not repeated.
Wherein, the controller adopts an MSP430G2332 singlechip.
During the use, install the mechanism of ligaturing on breather pipe footstock 33, accomplish through first joint groove 335 and first buckle 217 and dismantle the connection, when needing to make promotion cover 22 move forward, the telescopic link of controller control electric jar 31 stretches out, drives and promotes set stopper 215 and promotion cover 22, can push away the position that needs the ligature with ring cover 235 of elastic line.
When one pushing action is finished, the pushing sleeve limiting block 215 is limited by the two third buckles 223 at one end of the inner gun tube 21, and the position cannot be reset, so that the ligation mechanism cannot be reused, and the disposable use requirement of the ligation mechanism is met.
The elastic line is an existing conventional device, and the specific structure is not detailed
the utility model discloses can prevent that medical personnel from used repeatedly ligation mechanism, and ligation mechanism tears open and trades the convenience, can avoid cross infection, convenient operation, safety.
Claims (10)
1. The utility model provides an automatic trigger device for anus intestines ligation ware which characterized in that: comprises a ligation mechanism, a triggering mechanism for triggering the ligation mechanism and a control mechanism;
The loop ligature mechanism comprises an inner gun tube, a pushing sleeve and a line tightening assembly for loop ligaturing focal tissues, the pushing sleeve is sleeved on the inner gun tube and can move relative to the inner gun tube, a reset prevention structure for preventing the pushing sleeve from resetting after moving is arranged between the pushing sleeve and the inner gun tube, the line tightening assembly is arranged along the outer wall of the pushing sleeve and is provided with at least one line tightening assembly, and the line tightening assembly is arranged on the pushing sleeve;
The firing mechanism comprises an electric cylinder, a guide pushing block and a breather pipe top seat, the guide pushing block is connected to the breather pipe top seat in a sliding mode, the electric cylinder is fixedly arranged on the lower surface of the breather pipe top seat, a telescopic rod of the electric cylinder is arranged opposite to the guide pushing block, the inner gun tube is detachably connected to the breather pipe top seat, and the electric cylinder is connected with the control mechanism;
The control mechanism comprises a controller and a switch circuit, and the controller is connected with the electric cylinder through the switch circuit.
2. The automatic firing device for an anorectal ligator according to claim 1 wherein: the switching circuit comprises a first switching tube and a second switching tube, wherein the grid electrode of the first switching tube is connected with an I/O port of the controller through a first resistor, the grid electrode of the first switching tube is grounded through a second resistor, the source electrode of the first switching tube is grounded, the drain electrode of the first switching tube is connected with the grid electrode of the second switching tube through a third resistor, the drain electrode of the second switching tube is grounded through a fourth resistor, the source electrode of the second switching tube is grounded, the drain electrode of the second switching tube is grounded through a first diode, and the drain electrode of the second switching tube is connected with the electric cylinder.
3. The automatic firing device for an anorectal ligator according to claim 2 wherein: the one end of interior barrel is suction nozzle portion, and the other end of interior barrel is grafting portion, uses the position of suction nozzle portion place as preceding, uses grafting portion position as the back, and the fixed intercommunication of grafting portion is provided with joint portion between suction nozzle portion and the grafting portion at the rear side of suction nozzle portion, and joint portion is close to grafting portion one side, and the guide way has been seted up to the symmetry in the joint portion, link up around the guide way, sliding connection has the promotion cover stopper in the guide way, and the third joint groove has been seted up to the tank bottom of guide way, and the symmetry is provided with first buckle in the joint portion.
4. the automatic firing device for an anorectal ligator according to claim 3 wherein: the specific structure of the anti-reset structure is as follows: the tail end symmetry that promotes the cover is provided with the second buckle, and the one side that is close to interior barrel axis on the promotion cover stopper is provided with second joint groove, and second buckle joint is provided with the third buckle at second joint inslot, and the one side of keeping away from interior barrel axis on the promotion stopper is provided with the third buckle, before the promotion cover takes place the displacement to the internal barrel relatively, and the third buckle is located second joint inslot, promotes the cover and takes place the displacement back to the internal barrel relatively, and the third buckle joint is at third joint inslot.
5. the automatic firing device for an anorectal ligator according to claim 3 wherein: an inner gun tube sealing ring is arranged on the insertion part of the inner gun tube.
6. An auto-firing device for an anorectal ligator according to any one of claims 1 to 5 wherein: the tightening assembly comprises an elastic line, a tightening pipe, a tightening cap and a tightening joint, the front end of the elastic line is provided with a ring sleeve with adjustable aperture, the rear end of the elastic line is provided with a knot, the middle part of the elastic line is arranged in the tightening pipe in a penetrating way, the front end of the tightening pipe is provided with the tightening cap, and the rear end of the tightening pipe is provided with the tightening joint; before operation, the ring sleeve is sleeved on the inner gun tube and is arranged on the front end face of the pushing sleeve.
7. The automatic firing device for an anorectal ligator according to claim 6 wherein: the stringing assembly further comprises a fixing ring arranged on the pushing sleeve, the tail of the pushing sleeve is fixedly provided with a limiting ring, the fixing ring is arranged between the limiting ring and the clamping portion of the inner gun barrel, a clamping position is arranged on the fixing ring, and the tail of the stringing tube is arranged in the clamping position.
8. An auto-firing device for an anorectal ligator according to any one of claims 3 to 5 wherein: the vent pipe top seat comprises a gun pipe connecting part and a pipeline connecting part, negative pressure channels which are mutually communicated are arranged in the gun pipe connecting part and the pipeline connecting part, the gun pipe connecting part and the inner gun pipe are coaxially arranged, and the tail end of the inner gun pipe is inserted in the gun pipe connecting part;
the bilateral symmetry of barrel connecting portion is provided with the guided way, has seted up first joint groove on the guided way, and the first buckle joint on the interior barrel joint portion is in first joint inslot.
9. the automatic firing device for an anorectal ligator according to claim 8 wherein: the guide pushing block is internally provided with a guide cavity which is communicated with the front and the back, the guide pushing block is connected to the top seat of the vent pipe through the guide cavity in a sliding manner, the front ends of the guide pushing block are symmetrically provided with push rods matched with the pushing sleeve limiting blocks, and the lower part of the guide pushing block is provided with a transmission block contacted with the trigger switch.
10. the automatic firing device for an anorectal ligator of claim 9 wherein: the push rod is provided with a limiting step, the length of the limiting step is smaller than that of the pushing sleeve limiting block, and the length of the pushing sleeve limiting block is larger than the stroke of the pushing sleeve in displacement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920197580.6U CN209770458U (en) | 2019-02-14 | 2019-02-14 | automatic trigger device for anorectal ligation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920197580.6U CN209770458U (en) | 2019-02-14 | 2019-02-14 | automatic trigger device for anorectal ligation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209770458U true CN209770458U (en) | 2019-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920197580.6U Active CN209770458U (en) | 2019-02-14 | 2019-02-14 | automatic trigger device for anorectal ligation device |
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| Country | Link |
|---|---|
| CN (1) | CN209770458U (en) |
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2019
- 2019-02-14 CN CN201920197580.6U patent/CN209770458U/en active Active
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