CN209789961U - Percussion reset device for anorectal ligation device - Google Patents
Percussion reset device for anorectal ligation device Download PDFInfo
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- CN209789961U CN209789961U CN201920197155.7U CN201920197155U CN209789961U CN 209789961 U CN209789961 U CN 209789961U CN 201920197155 U CN201920197155 U CN 201920197155U CN 209789961 U CN209789961 U CN 209789961U
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Abstract
The utility model discloses a triggering reset device for an anorectal ligation device, which comprises a ligation mechanism and a triggering mechanism for triggering the ligation mechanism; the ligation mechanism comprises an inner gun tube, a pushing sleeve and a wire tightening assembly, 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, at least one wire tightening assembly is arranged along the outer wall of the pushing sleeve, and the wire tightening assembly is arranged on the pushing sleeve; firing mechanism promotes piece and breather pipe footstock including trigger switch, direction, and the direction promotes piece sliding connection on the breather pipe footstock, and trigger switch promotes the piece transmission with the direction and is connected, and the direction promotes to be equipped with extension spring between piece and the breather pipe footstock, and interior rifle pipe detachably connects on the breather pipe footstock. The utility model discloses but trigger switch automatic re-setting after the percussion, the ligation mechanism is torn open and is traded the convenience to can prevent medical personnel's used repeatedly ligation mechanism.
Description
Technical Field
the utility model relates to the field of medical equipment, especially, relate to a percussion resetting means 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 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.
Disclosure of Invention
The utility model discloses a solve the weak point among the prior art, provide a percussion resetting means for anorectal ligation device, but percussion back percussion switch automatic re-setting, convenient operation, simultaneously, the mechanism is pricked to the cover tears the convenience open and trade to can prevent that medical personnel's used repeatedly and prick the mechanism, can avoid cross infection.
the utility model discloses a technical scheme who takes for solving above-mentioned problem is, provides a percussion resetting means for anus intestines ligation device, prick the mechanism and be used for the percussion mechanism of percussion ligation mechanism including the cover.
The mechanism is pricked to cover includes interior barrel, promotion cover and is used for the tight line subassembly of the focus tissue of ligature, and promotion cover is established including on the barrel and the promotion cover can take place the displacement relatively to the interior barrel, promotes to be equipped with between cover and the interior barrel to be used for preventing to promote the structure that resets of preventing that cover displacement from reseing, and tight line subassembly sets up and is equipped with one at least along the outer wall of promotion cover, and tight line subassembly is installed and is sheathe in the promotion.
Firing mechanism promotes piece and breather pipe footstock including firing switch, direction, and the direction promotes piece sliding connection on the breather pipe footstock, and firing switch promotes the piece transmission with the direction and is connected, and the direction promotes to be provided with extension spring between piece and the breather pipe footstock, and interior rifle pipe detachably connects on the breather pipe footstock.
preferably, the one end of interior barrel is suction nozzle portion, the other end of interior barrel is grafting portion, use the position of suction nozzle portion place as preceding, use grafting portion place position as the back, the fixed intercommunication of grafting portion is in the rear side of suction nozzle portion, be 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 barrel sealing ring is arranged on the insertion part of the inner barrel.
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 inner wall of the fixing ring is provided with a plurality of first anti-slip ribs at even intervals along the circumferential direction.
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 through from front to 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.
Adopt above-mentioned technical scheme, the utility model has the advantages of it is following:
the utility model discloses a prevent that reset structure accessible third buckle joint prevents barrel and promotion cover in the used repeatedly in the third joint inslot, and when accomplishing once promotion action, it is spacing by the third joint groove on the interior barrel joint portion to promote the cover stopper, and unable return can realize preventing the function of used repeatedly consumptive material, reaches the disposable requirement of consumptive material.
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 trigger switch effect for promote the cover and remove the back forward, trigger switch can reset under extension spring's effect, the next operation of being convenient for, convenient operation.
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 infecting, but trigger switch automatic re-setting, convenient operation, safety.
Drawings
Fig. 1 is one of the schematic three-dimensional structures of the present invention;
FIG. 2 is an exploded view of FIG. 1;
Fig. 3 is a second schematic perspective view of the present invention;
fig. 4 is a schematic plan view of the present invention;
FIG. 5 is a schematic cross-sectional view taken from above in FIG. 4;
FIG. 6 is a schematic cross-sectional view of the present invention (before the pushing sleeve is moved);
FIG. 7 is a second schematic sectional view of the present invention (after the pushing sleeve is moved);
Fig. 8 is a partially enlarged schematic view at C in fig. 7.
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. A trigger switch, 32, a guide pushing block, 33, a vent pipe top seat and 34, an 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
As shown in fig. 1 to 8, the utility model discloses a trigger resetting means for anorectal ligation device, which comprises a ligation mechanism and a trigger mechanism for triggering the ligation 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 firing mechanism comprises a firing switch 31, a guide pushing block 32 and a vent pipe top seat 33, the guide pushing block 32 is connected to the vent pipe top seat 33 in a sliding mode, the firing switch 31 (trigger) is connected with the lower end of the guide pushing block 32 in a transmission mode, a tension spring 34 is arranged between the guide pushing block 32 and the vent pipe top seat 33 and used for resetting the firing switch 31 after the sleeve 22 is pushed to displace, and the inner gun tube is detachably connected to the vent pipe top seat 33.
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 that commonly used among the prior art).
The specific structure of the anti-reset structure is as follows: the tail end symmetry of promotion cover 22 is provided with second buckle 221, one side that is close to interior barrel 21 axis on promotion cover 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 the promotion stopper is provided with third buckle 223, before promotion cover 22 takes place the displacement in relative interior barrel 21, third buckle 223 is located second joint groove 222, after promotion cover 22 takes place the displacement in relative interior barrel 21, third buckle 223 joint is in third buckle groove 216, once promote the action when accomplishing, it is spacing by third buckle groove 216 on interior barrel 21 joint portion 213 to promote cover 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 21 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 uniform intervals along the circumferential direction, so as to prevent the fixing ring 237 from rotating on the push sleeve 22.
the vent pipe top seat 33 comprises a barrel connecting part 331 and a pipeline connecting part 332, negative pressure channels which are mutually communicated are arranged in the barrel connecting part 331 and the pipeline connecting part 332, the barrel connecting part 331 and an inner barrel are coaxially arranged, the tail end of the inner barrel is inserted in the barrel connecting part 331, and the pipeline connecting part 332 is used for being communicated with a negative pressure pumping pipeline;
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 interior barrel joint portion 213 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 arranged between the tail end of the inner barrel and the barrel connecting part 331, and a vent seat sealing ring 337 is arranged on the pipeline connecting part 332.
A guide cavity 321 which is through from front to back is arranged 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 which is in contact with the trigger switch 31 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, 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.
During the use, install the loop mechanism of pricking on breather pipe footstock 33, accomplish through first joint groove 335 and first buckle 217 and can dismantle the connection, when needing to make promotion cover 22 move forward, scratch trigger switch 31, the direction promotes piece 32 and promotes cover stopper 215 and promotion cover 22 under trigger switch 31 effect, can push away the position that needs the loop of elastic line 235 to prick.
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 utility model discloses can prevent that medical personnel from used repeatedly ligation mechanism, and ligation mechanism tears open and trades the convenience, can avoid infecting, but trigger switch 31 automatic re-setting, convenient operation, safety.
The elastic line is an existing conventional device, and the specific structure is not described in detail.
The above embodiments are not intended to limit the shape, material, structure, etc. of the present invention in any form, and all of the technical matters of the present invention belong to the protection scope of the present invention to any simple modification, equivalent change and modification of the above embodiments.
Claims (10)
1. The utility model provides a percussion resetting means for anus intestines ligation ware which characterized in that: comprises a ligation mechanism and a triggering mechanism for triggering the ligation 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 promotes piece and breather pipe footstock including firing switch, direction, and the direction promotes piece sliding connection on the breather pipe footstock, and firing switch promotes the piece transmission with the direction and is connected, and the direction promotes to be provided with extension spring between piece and the breather pipe footstock, and interior rifle pipe detachably connects on the breather pipe footstock.
2. The percussion reduction device for an anorectal ligator according to claim 1, wherein: the one end of interior barrel is suction nozzle portion, the other end of interior barrel is grafting portion, use the position of suction nozzle portion place as preceding, use grafting portion position as the back, the fixed intercommunication of grafting portion is in the rear side of suction nozzle portion, be 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.
3. The percussion reduction device for an anorectal ligator according to claim 2, 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.
4. The percussion reduction device for an anorectal ligator according to claim 2, wherein: an inner gun tube sealing ring is arranged on the insertion part of the inner gun tube.
5. The fired return device for an anorectal ligator according to any one of claims 1 to 4 wherein: the stringing component comprises an elastic string, a stringing pipe, a stringing cap and a stringing clamping joint, the front end of the elastic string is provided with a ring sleeve with adjustable aperture, the rear end of the elastic string is provided with a knot, the middle part of the elastic string is arranged in the stringing pipe in a penetrating way, the front end of the stringing pipe is provided with the stringing cap, and the rear end of the stringing pipe is provided with the stringing clamping 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.
6. The percussion reduction device for an anorectal ligator according to claim 5, wherein: the tight line subassembly is still including installing the solid fixed ring on the promotion cover, and the afterbody of promotion cover is fixed and is provided with the spacing ring, and solid fixed ring installs between the joint portion of spacing ring and interior barrel, is provided with the joint position on the solid fixed ring, and the afterbody of tight line pipe is installed in the joint position.
7. the percussion reduction device for an anorectal ligator according to claim 6, wherein: the inner wall of the fixing ring is provided with a plurality of first anti-slip ribs at even intervals along the circumferential direction.
8. The fired return device for an anorectal ligator according to any one of claims 2 to 4 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 percussion reduction 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 in a sliding way through the guide cavity, 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 firing and resetting device for the anorectal ligator of claim 9, wherein the firing and resetting device comprises: 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920197155.7U CN209789961U (en) | 2019-02-14 | 2019-02-14 | Percussion reset device for anorectal ligation device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920197155.7U CN209789961U (en) | 2019-02-14 | 2019-02-14 | Percussion reset device for anorectal ligation device |
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| CN209789961U true CN209789961U (en) | 2019-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920197155.7U Active CN209789961U (en) | 2019-02-14 | 2019-02-14 | Percussion reset device for anorectal ligation device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112587192A (en) * | 2020-12-28 | 2021-04-02 | 微尔创（武汉）医疗科技有限公司 | Disposable automatic anorectal ligation anastomat |
| CN113288305A (en) * | 2021-05-27 | 2021-08-24 | 苏州贝诺医疗器械有限公司 | Intestinal polyp ligation device with bendable top end |
| CN117462218A (en) * | 2023-12-22 | 2024-01-30 | 深圳大凡制造有限公司 | Disposable automatic hemorrhoid ligation device |
-
2019
- 2019-02-14 CN CN201920197155.7U patent/CN209789961U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112587192A (en) * | 2020-12-28 | 2021-04-02 | 微尔创（武汉）医疗科技有限公司 | Disposable automatic anorectal ligation anastomat |
| CN113288305A (en) * | 2021-05-27 | 2021-08-24 | 苏州贝诺医疗器械有限公司 | Intestinal polyp ligation device with bendable top end |
| CN113288305B (en) * | 2021-05-27 | 2022-05-27 | 苏州贝诺医疗器械有限公司 | Intestinal polyp ligation device with bendable top end |
| CN117462218A (en) * | 2023-12-22 | 2024-01-30 | 深圳大凡制造有限公司 | Disposable automatic hemorrhoid ligation device |
| CN117462218B (en) * | 2023-12-22 | 2024-07-09 | 深圳大凡制造有限公司 | Disposable automatic hemorrhoid ligation device |
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