CN114027911B - Multifunctional hemorrhoid ligation device - Google Patents

Multifunctional hemorrhoid ligation device Download PDF

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Publication number
CN114027911B
CN114027911B CN202111448624.6A CN202111448624A CN114027911B CN 114027911 B CN114027911 B CN 114027911B CN 202111448624 A CN202111448624 A CN 202111448624A CN 114027911 B CN114027911 B CN 114027911B
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wall
fixedly connected
ligation
pipe
hemorrhoid
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CN114027911A (en
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刘子贤
刘刚
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Suzhou Meidong Huicheng Precision Parts Co ltd
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Suzhou Meidong Huicheng Precision Parts Co ltd
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
    • A61B17/12009—Implements for ligaturing other than by clamps or clips, e.g. using a loop with a slip knot
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32—Surgical cutting instruments
    • A61B17/3205—Excision instruments
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00743—Type of operation; Specification of treatment sites
    • A61B2017/00818—Treatment of the gastro-intestinal system
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Molecular Biology (AREA)
  • General Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Animal Behavior & Ethology (AREA)
  • Engineering & Computer Science (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Reproductive Health (AREA)
  • Vascular Medicine (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Surgical Instruments (AREA)

Abstract

The invention discloses a multifunctional hemorrhoid ligation apparatus, which relates to the technical field of hemorrhoid ligation apparatuses and comprises a shell, wherein a support rod is fixedly connected to the left side surface of the shell, a scraping plate is fixedly connected to the left side of the inner wall of the support rod, a plurality of first springs are fixedly connected to the right side surface of the scraping plate, a ligation tube is fixedly connected to the right ends of the plurality of first springs together, a ligation rubber band is sleeved on the left side of the wall of the ligation tube, the right end of the ligation tube penetrates through the left side surface of the shell to the right side surface of the ligation tube, a first moving block is fixedly connected to the right side of the wall of the ligation tube, a first sliding groove is formed in the upper side of the inner wall of the shell, and the inner wall of the first sliding groove is in sliding connection with the upper side surface of the first moving block through a first sliding block. When the hemorrhoid ligation is carried out on a patient, the hemorrhoid ligation operation is simple, and simultaneously the hemorrhoid is sucked into the device, so that the hemorrhoid ligation operation can be conveniently carried out, the operation is simple in the process, and the trouble caused by determining the position of the hemorrhoid for a long time is avoided.

Description

Multifunctional hemorrhoid ligation device
Technical Field
The invention relates to the technical field of hemorrhoid ligation devices, in particular to a multifunctional hemorrhoid ligation device.
Background
The hemorrhoid ligation (also called hemorrhoid ligation, hemorrhoid suction ligation and the like) is a common method for treating hemorrhoids, and has definite curative effect, the principle is that a special rubber ring (such as a rubber ring, a latex ring, a silicone ring and the like) is sheathed on the root (or the base part) of an internal hemorrhoid, so that the hemorrhoid blood supply is blocked by the elastic retraction force of the rubber ring, and the hemorrhoid blood supply is necrotized, atrophic and shed, thereby achieving the cure purpose, the traditional instrument for performing the ligation is very simple, time-consuming and labor-consuming in operation and easy to cause complications, and an automatic instrument for making the ligation simple and easy to implement is generated in the last decade, namely an automatic hemorrhoid ligation device (also called a continuous hemorrhoid ligation device, a continuous hemorrhoid suction ligation device and the like), and the advantages of performing the ligation by using the instrument are as follows: the operation is simple, convenient, quick and accurate; the operation can be completed by a single person, the time is only 5-10 minutes, the probability of complication is low, the patients generally do not need anesthesia, the pain is slight, most patients do not need hospitalization, and the treatment cost is low.
Most of the domestic ligature devices at present cannot accurately find the position of hemorrhoids during operation and carry out ligature on hemorrhoids, so that patients can not judge pain caused in the position process during operation, and operators can not easily carry out ligature on hemorrhoids which are difficult to carry out during operation.
Disclosure of Invention
The invention aims to provide a multifunctional hemorrhoid ligation apparatus, which solves the problems that most of domestic ligation apparatuses in the prior art cannot accurately find the hemorrhoid position during operation and perform ligation on the hemorrhoid, and the hemorrhoid is difficult to perform ligation on the hemorrhoid which is difficult to perform during operation because pain caused in the position process cannot be judged for a patient during operation and an operator is difficult to perform ligation on the hemorrhoid which is difficult to perform during operation.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a multi-functional hemorrhoid ligation device, includes the casing, the left side fixedly connected with bracing piece of casing, the left side fixedly connected with scraper blade of bracing piece inner wall, the right side fixedly connected with of scraper blade a plurality of first springs, a plurality of the common fixedly connected with ligation pipe of right-hand member of first spring, the ligation rubber band has been cup jointed in the left side of ligation pipe wall, the right-hand member of ligation pipe runs through the left side surface of casing to its right side surface, the first movable block of right side fixedly connected with of ligation pipe wall, first spout has been seted up to the upside of shells inner wall, the upper side surface sliding connection of first movable block is passed through to the inner wall of first spout, the common fixedly connected with second spring of right side surface and shells inner wall of first movable block.
Preferably, the sliding port is formed in the lower side surface of the shell, the buckling rod is fixedly connected with the lower side surface of the first moving block, the front side and the rear side of the inner wall of the sliding port are respectively provided with the second sliding grooves, the inner walls of the two second sliding grooves are respectively and slidably connected with the front side surface and the rear side surface of the buckling rod through the second sliding blocks, the right side surface of the buckling rod is fixedly connected with the third spring together with the right side of the inner wall of the sliding port, and the left side of the wall of the buckling rod is provided with the plurality of pull grooves.
Preferably, a handle is fixedly connected to the right side of the lower side surface of the shell.
Preferably, the right side fixedly connected with first stopper of ligature pipe wall, the right side surface fixedly connected with rubber pad of first stopper, the connecting thread has been seted up to one side that the rubber pad was kept away from on ligature pipe wall right side.
Preferably, the surface thread of the connecting thread is connected with a hose, the right end of the hose is fixedly connected with a short pipe, and the right side surface of the short pipe is fixedly connected with an air shell.
Preferably, the third recess has been seted up on the right side of gas shell inner wall downside, the right side of third recess inner wall rotates and is connected with the threaded rod, the cavity has been seted up to one side that the third recess was kept away from to the downside of gas shell inner wall, the left end of threaded rod runs through the left side of third recess inner wall to the right side of cavity inner wall, the left end fixedly connected with first sector gear of threaded rod, the downside surface fixedly connected with servo motor of gas shell, servo motor's output runs through the downside surface of gas shell to the upside of cavity inner wall, servo motor's output fixedly connected with second sector gear, the right side surface of second sector gear is connected with the downside surface meshing of first sector gear.
Preferably, a third sliding groove is formed in the lower side of the inner wall of the third groove, the rod wall of the threaded rod is in threaded connection with the second moving block, and the inner wall of the third sliding groove is in sliding connection with the lower side surface of the second moving block through a third sliding block.
Preferably, the upper side surface fixedly connected with slide bar of second movable block, the left end fixedly connected with of slide bar blocks up the gas pad, the right-hand member of slide bar runs through the right side of gas shell inner wall to its right side surface, the right-hand member fixedly connected with second limiting plate of slide bar.
Preferably, a plurality of placing ports are formed in the right side surface of the air blocking cushion, the inner walls of the placing ports are fixedly connected with first one-way valves, the inner walls of the short pipes are fixedly connected with second one-way valves, and the right side surface of the second limiting plate is fixedly connected with a handle.
The invention has the technical effects and advantages that:
1. through setting up casing, bracing piece, scraper blade, first spring, ligation tube, ligation rubber band, first movable block, first spout, second spring, when carrying out hemorrhoid ligation to the patient, the operation is simpler, inhales the device inside with hemorrhoid simultaneously, can conveniently carry out the ligation, at its in-process easy operation, avoided determining the position of hemorrhoid and the trouble that produces for a long time.
2. Through setting up casing, first movable block, smooth mouth, knot pole, second spout, third spring, draw groove, handle, convenient operation carries out spacingly simultaneously, conveniently carries out the complete ligature with the ligature rubber band on the hemorrhoid, carries out the ligature to the hemorrhoid.
3. Through setting up the ligature pipe, first stopper, rubber pad, connecting thread, hose, nozzle stub, gas shell, conveniently inhale the ligature intraductal with hemorrhoid completely, avoid the hemorrhoid bulky unable ligature that carries on, need adjusting device's size.
4. Through setting up nozzle stub, gas shell, third recess, threaded rod, cavity, first sector gear, servo motor, second sector gear, third spout, second movable block, slide bar, stifled air cushion, second limiting plate, place the mouth, first check valve, second check valve, handle, when carrying out the inspiration, avoid manual operation to lead to the skew of hemorrhoid position, can operate steadily for the device is simpler convenient when using.
Drawings
Fig. 1 is a schematic overall perspective view of the present invention.
Fig. 2 is a schematic view of the front planing surface of the shell.
Fig. 3 is an enlarged schematic view of the a part of the present invention.
Fig. 4 is a schematic cross-sectional view of the upper plane of the housing of the present invention.
Fig. 5 is a schematic view of the front planing surface of the air shell.
FIG. 6 is a schematic view of the right side structure of the air blocking cushion of the present invention.
In the figure: 1. a housing; 2. a support rod; 3. a scraper; 4. a first spring; 5. sleeving and ligating a tube; 6. sleeving and binding rubber bands; 7. a first moving block; 8. a first chute; 9. a second spring; 10. a sliding port; 11. a buckling rod; 12. a second chute; 13. a third spring; 14. drawing a groove; 15. a handle; 16. a first limiting block; 17. a rubber pad; 18. a connecting thread; 19. a hose; 20. a short pipe; 21. a gas shell; 22. a third groove; 23. a threaded rod; 24. a cavity; 25. a first sector gear; 26. a servo motor; 27. a second sector gear; 28. a third chute; 29. a second moving block; 30. a slide bar; 31. blocking the air cushion; 32. a second limiting plate; 33. a placement port; 34. a first one-way valve; 35. a second one-way valve; 36. and (5) a handle.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
First embodiment:
as shown in fig. 2 and 3, including casing 1, the left side fixedly connected with bracing piece 2 of casing 1, the left side fixedly connected with scraper blade 3 of bracing piece 2 inner wall, the right side fixedly connected with of scraper blade 3 has a plurality of first springs 4, the common fixedly connected with ligature pipe 5 of right-hand member of a plurality of first springs 4, ligature pipe 5 pipe wall's left side has cup jointed ligature rubber band 6, ligature pipe 5's right-hand member runs through casing 1's left side surface to its right side surface, ligature pipe 5 pipe wall's right side fixedly connected with first movable block 7, first spout 8 has been seted up to the upside of casing 1 inner wall, the upper side surface sliding connection of first movable block 7 is passed through to the inner wall of first spout 8, the right side surface of first movable block 7 and the common fixedly connected with second spring 9 of the right side of casing 1 inner wall, when carrying out hemorrhoid ligation to the patient, easy operation is inhaled the hemorrhoid inside the device simultaneously, can conveniently carry out the cover, easy operation has avoided the long-time position of confirming that produces of hemorrhoid at its in-process.
Specific embodiment II:
as shown in fig. 1 and fig. 4, a sliding opening 10 is formed in the lower side surface of the casing 1, a buckling rod 11 is fixedly connected to the lower side surface of the first moving block 7, second sliding grooves 12 are formed in the front side and the rear side of the inner wall of the sliding opening 10, the inner walls of the two second sliding grooves 12 are respectively and slidably connected with the front side surface and the rear side surface of the buckling rod 11 through second sliding blocks, a third spring 13 is fixedly connected to the right side surface of the buckling rod 11 and the right side of the inner wall of the sliding opening 10, a plurality of pull grooves 14 are formed in the left side of the rod wall of the buckling rod 11, a handle 15 is fixedly connected to the right side of the lower side surface of the casing 1, the operation is convenient, the limitation is performed simultaneously, and the ligation rubber band 6 is conveniently and completely sheathed on hemorrhoids.
Third embodiment:
as shown in fig. 1 and fig. 2, a first limiting block 16 is fixedly connected to the right side of the pipe wall of the ligation pipe 5, a rubber pad 17 is fixedly connected to the right side surface of the first limiting block 16, a connecting thread 18 is formed on one side, far away from the rubber pad 17, of the right side of the pipe wall of the ligation pipe 5, a hose 19 is connected to the surface of the connecting thread 18 in a threaded manner, a short pipe 20 is fixedly connected to the right end of the hose 19, an air shell 21 is fixedly connected to the right side surface of the short pipe 20, hemorrhoids are conveniently sucked into the ligation pipe 5 completely, the problem that the volume of the hemorrhoids is large and the ligation cannot be performed is avoided, and the size of the device needs to be adjusted.
Fourth embodiment:
as shown in fig. 5 and 6, a third groove 22 is formed in the right side of the lower side of the inner wall of the air shell 21, a threaded rod 23 is rotatably connected to the right side of the inner wall of the third groove 22, a cavity 24 is formed in one side, far away from the third groove 22, of the lower side of the inner wall of the air shell 21, the left end of the threaded rod 23 penetrates through the left side of the inner wall of the third groove 22 to the right side of the inner wall of the cavity 24, the left end of the threaded rod 23 is fixedly connected with a first sector gear 25, the lower side surface of the air shell 21 is fixedly connected with a servo motor 26, the output end of the servo motor 26 penetrates through the lower side surface of the air shell 21 to the upper side of the inner wall of the cavity 24, the output end of the servo motor 26 is fixedly connected with a second sector gear 27, and the right side surface of the second sector gear 27 is in meshed connection with the lower side surface of the first sector gear 25;
a third sliding groove 28 is formed in the lower side of the inner wall of the third groove 22, a second moving block 29 is connected to the rod wall of the threaded rod 23 in a threaded manner, the inner wall of the third sliding groove 28 is connected with the lower side surface of the second moving block 29 in a sliding manner through a third sliding block, a sliding rod 30 is fixedly connected to the upper side surface of the second moving block 29, a gas blocking pad 31 is fixedly connected to the left end of the sliding rod 30, the right end of the sliding rod 30 penetrates through the right side of the inner wall of the gas shell 21 to the right side surface of the right side of the inner wall, and a second limiting plate 32 is fixedly connected to the right end of the sliding rod 30;
the right side surface of stifled air cushion 31 has seted up a plurality of mouths 33 of placing, and a plurality of inner walls fixedly connected with first check valve 34 of placing mouths 33, the inner wall fixedly connected with second check valve 35 of nozzle stub 20, the right side surface fixedly connected with handle 36 of second limiting plate 32, when inhaling, avoids manual operation to lead to the skew of hemorrhoid position, can operate steadily for the device is simpler convenient when using.
The working principle of the invention is as follows: when the invention is used, paralyzed medicines are injected to a patient firstly when the invention is used, after paralyzed medicines act, the ligation rubber band 6 is sleeved on the surface of the ligation tube 5, the hose 19 is in threaded connection with the connecting threads 18 on the ligation tube 5, the hose 19 is sealed by the rubber pad 17, the support rod 2 on the shell 1 is inserted into anus of the patient and is aligned to the hemorrhoid position of the patient, the second sector gear 27 of the cavity 24 is driven to rotate by the operation of the servo motor 26, the first sector gear 25 meshed with the servo motor 26 is driven to rotate, the threaded rod 23 of the first sector gear 25 is driven to rotate, the second moving block 29 is driven to slide on the third sliding groove 28 in the third groove 22, the sliding rod 30 is driven to move simultaneously, the air is pumped, the air is conveyed into the air shell 21 through the action of the ligation tube 5, the hose 19 and the second one-way valve 35 in the short tube 20, the air in the air shell 21 is blocked by the second one-way valve 35 by the operation of the servo motor 26, the air in the air shell 21 flows out of the first one-way valve 34 in the placement opening 33 on the air shell 31, and the air is simultaneously moved out of the air cushion 32 by the second one-way valve 34 in the air shell is convenient to hang the air cushion 32;
when hemorrhoids are sucked into the ligation tube 5 under the condition of air flow, the buckling rod 11 is pressed through the pull groove 14 and the handle 15 on the buckling rod 11, the buckling rod 11 slides in the second sliding groove 12 in the sliding opening 10, the third spring 13 is contracted simultaneously to drive the first moving block 7 to slide in the first sliding groove 8 on the shell 1, the second spring 9 is contracted to drive the ligation tube 5 to move rightwards, the first spring 4 on the supporting rod 2 is stretched to drive the scraping plate 3 on the supporting rod 2 to scrape the ligation rubber band 6 on the ligation tube 5 until the ligation rubber band 6 is sleeved on the hemorrhoids, the buckling rod 11 is loosened, the ligation of the ligation tube 5 is completed under the rebound action of the third spring 13, the second spring 9 and the first spring 4, and the first limiting block 16 is used for limiting the ligation tube 5;
the hose 19 is removed through the connecting screw thread 18 on the housing 1, and the support rod 2 on the housing 1 is pulled out from the anus of the patient, waiting for the patient to wake up.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present invention.

Claims (2)

1. The utility model provides a multi-functional hemorrhoid ligature ware, includes casing (1), its characterized in that: the left side surface fixedly connected with bracing piece (2) of casing (1), the left side fixedly connected with scraper blade (3) of bracing piece (2) inner wall, the right side surface fixedly connected with of scraper blade (3) a plurality of first springs (4), a plurality of the right-hand member of first spring (4) is fixedly connected with a cerclage pipe (5) jointly, cerclage rubber band (6) has been cup jointed in the left side of cerclage pipe (5) pipe wall, the right-hand member of cerclage pipe (5) runs through the left side surface of casing (1) to its right side surface, the right side fixedly connected with first movable block (7) of cerclage pipe (5) pipe wall, first spout (8) have been seted up to the upside of casing (1) inner wall, the upper side surface sliding connection of first spout (8) and first movable block (7), the right side surface of first movable block (7) and the right side of casing (1) inner wall are fixedly connected with second spring (9) jointly, the right side of cerclage pipe (5) runs through the left side surface of casing (1) to its right side surface, the right side fixedly connected with first slider (10) of lower side (11) of the inner wall, the both sides of first spout (11) are seted up through the first slider (12) of both sides of the front and back slider (12) of the front and the back slider (12) are connected, the right side surface of knot pole (11) and the common fixedly connected with third spring (13) in the right side of smooth mouth (10) inner wall, a plurality of draw grooves (14) have been seted up in the left side of knot pole (11) pole wall, the right side fixedly connected with first stopper (16) of cover bundle pipe (5) pipe wall, the right side surface fixedly connected with rubber pad (17) of first stopper (16), connecting screw thread (18) have been seted up on one side that rubber pad (17) was kept away from on cover bundle pipe (5) pipe wall right side, connecting screw thread (18) surface threaded connection has hose (19), hose (19)'s right-hand member fixedly connected with nozzle stub (20), nozzle stub (20)'s right side surface fixedly connected with gas shell (21), third recess (22) have been seted up on the right side of gas shell (21) inner wall downside, the right side rotation of third recess (22) inner wall is connected with threaded rod (23), one side that cavity (24) were kept away from on the downside of gas shell (21) inner wall was seted up on one side of third recess (22), threaded rod (24) are connected with sector motor (24) on the right side of the inner wall (21), servo motor (24) is connected with one side of cavity (24), the output of servo motor (26) runs through the downside surface of gas shell (21) to the upside of cavity (24) inner wall, the output fixedly connected with second sector gear (27) of servo motor (26), the right side surface of second sector gear (27) is connected with the downside surface meshing of first sector gear (25), third spout (28) have been seted up to the downside of third recess (22) inner wall, the pole wall threaded connection of threaded rod (23) has second movable block (29), the downside surface sliding connection of third spout (28) inner wall through third slider and second movable block (29), the upside surface fixedly connected with slide bar (30) of second movable block (29), the left end fixedly connected with air blocking pad (31) of slide bar (30), the right-hand side of slide bar (30) runs through the right side of gas shell (21) inner wall to its right side surface, the right end fixedly connected with second limiting plate (32) of slide bar (30), the right side surface of slide bar (31) is equipped with a plurality of second limiting plates (33), the second opening of one-way valve (35) is placed to the inner wall surface of second movable block (33), one-way valve (32) are placed.
2. The multifunctional hemorrhoid ligation apparatus according to claim 1 wherein: the right side of the lower side surface of the shell (1) is fixedly connected with a handle (15).
CN202111448624.6A 2021-11-30 2021-11-30 Multifunctional hemorrhoid ligation device Active CN114027911B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111448624.6A CN114027911B (en) 2021-11-30 2021-11-30 Multifunctional hemorrhoid ligation device

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Application Number Priority Date Filing Date Title
CN202111448624.6A CN114027911B (en) 2021-11-30 2021-11-30 Multifunctional hemorrhoid ligation device

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CN114027911B true CN114027911B (en) 2023-08-22

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201067420Y (en) * 2006-11-02 2008-06-04 陈少明 Disposable multi-set negative pressure automatic hemorrhoid covering bundling device
CN207370737U (en) * 2017-03-20 2018-05-18 张旭 Suction type bullae looping and binding device
CN210541696U (en) * 2019-06-28 2020-05-19 朱小兰 Manual ligation device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201067420Y (en) * 2006-11-02 2008-06-04 陈少明 Disposable multi-set negative pressure automatic hemorrhoid covering bundling device
CN207370737U (en) * 2017-03-20 2018-05-18 张旭 Suction type bullae looping and binding device
CN210541696U (en) * 2019-06-28 2020-05-19 朱小兰 Manual ligation device

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