CN109157255B - Improved hemorrhoid ligation device - Google Patents
Improved hemorrhoid ligation device Download PDFInfo
- Publication number
- CN109157255B CN109157255B CN201810977255.1A CN201810977255A CN109157255B CN 109157255 B CN109157255 B CN 109157255B CN 201810977255 A CN201810977255 A CN 201810977255A CN 109157255 B CN109157255 B CN 109157255B
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- Prior art keywords
- rubber
- sliding sleeve
- outer side
- side wall
- arc
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 208000014617 hemorrhoid Diseases 0.000 title claims abstract description 31
- 238000000926 separation method Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000010902 straw Substances 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 6
- 230000007547 defect Effects 0.000 abstract description 2
- 230000000903 blocking effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 2
- 206010003694 Atrophy Diseases 0.000 description 1
- 208000032843 Hemorrhage Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000037444 atrophy Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000036770 blood supply Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- 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
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B17/12099—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Reproductive Health (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses an improved hemorrhoid ligation device, which comprises a negative pressure suction pipe, wherein an installation groove is formed in the inner wall of the negative pressure suction pipe, a rubber sleeve is clamped in the installation groove, and an annular flange is arranged on the inner side wall of the rubber sleeve; the outer side wall of the negative pressure suction pipe is provided with a sliding groove, a sliding sleeve is slidably mounted in the sliding groove, a first pull rod is fixed at the tail of the sliding sleeve, a rubber ferrule is sleeved outside the sliding sleeve, a first spring body is fixed on the sliding sleeve, the movable end of the first spring body is in interference fit with the rubber ferrule, and a second pull rod is fixed on the first spring body. The invention can improve the defects of the prior art and can improve the implementation effect of the haemorrhoids ligation.
Description
Technical Field
The invention relates to a medical instrument, in particular to an improved hemorrhoid ligation device.
Background
Hemorrhoid is a common disease, and except the traditional Chinese medicine treatment, the ligation is also one of the common treatment methods. The therapeutic principle is that the hemorrhoid root is sleeved and tied to block the blood supply and make it atrophy and fall off. The Chinese patent CN 103417255B discloses a disposable controllable negative pressure multi-continuous hemorrhoid ligation device, which is convenient for doctors to perform ligation operation. However, the ligation device cannot flexibly control the depth of ligation, and the ligation effect is not good when the haemorrhoids with larger or smaller volumes are encountered.
Disclosure of Invention
The invention aims to provide an improved hemorrhoid ligation device, which can solve the defects of the prior art and improve the implementation effect of hemorrhoid ligation.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows.
An improved hemorrhoid ligation device comprises a negative pressure suction pipe, wherein an installation groove is formed in the inner wall of the negative pressure suction pipe, a rubber sleeve is clamped in the installation groove, and an annular flange is arranged on the inner side wall of the rubber sleeve; the outer side wall of the negative pressure suction pipe is provided with a sliding groove, a sliding sleeve is slidably mounted in the sliding groove, a first pull rod is fixed at the tail of the sliding sleeve, a rubber ferrule is sleeved outside the sliding sleeve, a first spring body is fixed on the sliding sleeve, the movable end of the first spring body is in interference fit with the rubber ferrule, and a second pull rod is fixed on the first spring body.
Preferably, the outer side surface of the annular flange is provided with a plurality of annular steps, the outer side edges of the annular steps are provided with round corners, and the annular steps are internally provided with air bags.
Preferably, the inner side wall of the rubber sleeve is provided with a plurality of limiting flanges, the limiting flanges are located on the inner sides of the annular flanges, the limiting flanges are selectively contacted with the inner side surfaces of the annular flanges, the top of each limiting flange is connected with an arc-shaped blocking piece in a shaft mode, and the arc-shaped blocking pieces are connected with the limiting flanges through second spring bodies.
Preferably, the sliding sleeve top coupling has a plurality of bracing piece, and the top of adjacent bracing piece is passed through the third and is shouldered and connect, and the bracing piece outside parcel has the rubber dustcoat, is connected with the regulation pole on the arbitrary third spring body, and sliding sleeve and pull rod inside are provided with the through-hole that link up, adjust the pole activity and peg graft in the through-hole.
Preferably, a plurality of grooves are axially arranged on the surface of the sliding sleeve, arc-shaped protrusions are connected in the grooves through fourth spring bodies, and limiting grooves matched with the arc-shaped protrusions are formed in the edges of the inner side of the rubber ferrule.
Preferably, the width of the inner side wall of the rubber ferrule is smaller than that of the outer side wall, an arc-shaped elastic sheet is connected between the edge of the inner side wall and the edge of the outer side wall of the rubber ferrule, and a plurality of tooth-shaped parts are fixed on the arc-shaped elastic sheet.
Adopt the beneficial effect that above-mentioned technical scheme brought to lie in: according to the invention, the rubber sleeve is arranged in the negative pressure suction pipe, so that the haemorrhoids are wrapped by the rubber sleeve after being sucked into the negative pressure suction pipe, and the haemorrhoids are protected. The rubber ferrule for sleeving and ligating the haemorrhoids is arranged on the sliding sleeve, and the position of the sliding sleeve can be flexibly adjusted by holding the first pull rod by hand, so that the sleeving and ligating position of the rubber ferrule is changed, and the optimal sleeving and ligating effect is achieved. The annular flange on the inner wall of the rubber sleeve can deform towards the inner side of the negative pressure suction pipe under the action of negative pressure, so that the hemorrhoid sucked into the negative pressure suction pipe is limited and fixed. The annular step part on the surface of the annular flange can adapt to hemorrhoids with different sizes and shapes, and the fit degree of the annular flange and the hemorrhoids is improved. The deformation of limiting flange to annular flange carries on spacingly on the one hand, lifts the haemorrhoids front end through the arc separation blade in addition, improves the parcel protection effect of whole rubber sleeve to the haemorrhoids. The supporting angle of the supporting rod is controlled through the extension of the adjusting rod, the diameter of the rubber outer sleeve at the top end of the sliding sleeve can be expanded and contracted, and the rubber sleeve ring can be conveniently controlled. The arc-shaped bulge part is matched with the limiting groove on the rubber ferrule, so that the installation and the sequential bundling of a plurality of rubber ferrules can be realized. Through the structure of the rubber ferrule, the tooth-shaped parts on the two sides of the rubber ferrule can be effectively matched with the uneven surface of the hemorrhoid, and the matching degree of the rubber ferrule and the hemorrhoid is improved.
Drawings
FIG. 1 is a block diagram of one embodiment of the present invention.
FIG. 2 is a radial cross-sectional view of an annular flange in an embodiment of the present invention.
Figure 3 is a block diagram of a position-defining flange according to one embodiment of the present invention.
Figure 4 is a block diagram of a sliding sleeve according to one embodiment of the present invention.
FIG. 5 is a radial cross-sectional view of a rubber bushing in accordance with an embodiment of the present invention.
In the figure: 1. a negative pressure suction pipe; 2. mounting grooves; 3. a rubber sleeve; 4. an annular flange; 5. a chute; 6. a sliding sleeve; 7. a first pull rod; 8. a rubber ferrule; 9. a first spring body; 10. an annular step portion; 11. round corners; 12. an air bag; 13. a limiting flange; 14. an arc-shaped baffle plate; 15. a second spring body; 16. a support bar; 17. a third spring body; 18. a rubber housing; 19. adjusting a rod; 20. a through hole; 21. a groove; 22. a fourth spring body; 23. an arc-shaped convex part; 24. a limiting groove; 25. an arc-shaped elastic sheet; 26. a tooth-shaped portion; 27. a second pull rod; 28. and (4) sliding a sheet.
Detailed Description
The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description and the description of the attached drawings, and the specific connection mode of each part adopts the conventional means of mature bolts, rivets, welding, sticking and the like in the prior art, and the detailed description is not repeated.
Referring to fig. 1-5, a specific embodiment of the invention comprises a negative pressure suction pipe 1, wherein an installation groove 2 is arranged on the inner wall of the negative pressure suction pipe 1, a rubber sleeve 3 is clamped in the installation groove 2, and an annular flange 4 is arranged on the inner side wall of the rubber sleeve 3; the outer side wall of the negative pressure suction pipe 1 is provided with a sliding groove 5, a sliding sleeve 6 is arranged in the sliding groove 5 in a sliding mode, a first pull rod 7 is fixed at the tail of the sliding sleeve 6, a rubber ferrule 8 is sleeved outside the sliding sleeve 6, a first spring body 9 is fixed on the sliding sleeve 6, the movable end of the first spring body 9 is in interference fit with the rubber ferrule 8, and a second pull rod 27 is fixed on the first spring body 9. The outer side surface of the annular flange 4 is provided with a plurality of annular steps 10, the outer side edges of the annular steps 10 are provided with fillets 11, and the annular steps 10 are internally provided with airbags 12. The inside wall of the rubber sleeve 3 is provided with a plurality of limiting flanges 13, the limiting flanges 13 are located on the inner side of the annular flange 4, the limiting flanges 13 are selectively contacted with the inner side surface of the annular flange 4, the top of the limiting flanges 13 is connected with an arc-shaped blocking piece 14 in a shaft mode, and the arc-shaped blocking piece 14 is connected with the limiting flanges 13 through a second spring body 15. The top end of the sliding sleeve 6 is connected with a plurality of supporting rods 16 through a shaft, the top ends of the adjacent supporting rods 16 are connected through third spring bodies 17, the outer sides of the supporting rods 16 are wrapped by rubber outer covers 18, any one of the third spring bodies 17 is connected with an adjusting rod 19, through holes 20 are formed in the sliding sleeve 6 and the pull rod 7, and the adjusting rod 19 is movably inserted into the through holes 20. A plurality of grooves 21 are axially arranged on the surface of the sliding sleeve 6, arc-shaped protrusions 23 are connected in the grooves 21 through fourth spring bodies 22, and limiting grooves 24 matched with the arc-shaped protrusions 23 are formed in the edge of the inner side of the rubber ferrule 8.
In addition, the position of rubber sleeve 3 and mounting groove 2 joint is fixed with gleitbretter 28, and gleitbretter 28 joint sets up in mounting groove 2 to slide with mounting groove 2. Through setting up rubber sleeve 3 and mounting groove 2 to slip joint form, can make rubber sleeve 3 and haemorrhoids produce the synchronous displacement of certain distance when the negative pressure disappears the haemorrhoids and contracts to reduce the pressure differential that the negative pressure disappears the initial stage and produce and drag that brings the haemorrhoids, reduce patient's uncomfortable and feel, avoid haemorrhoids injury hemorrhage.
The external negative pressure equipment of the negative pressure suction pipe and the handheld mechanism belong to general mechanisms of the ligation device, are fully disclosed in patent documents cited in the background technology, and are not detailed here.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a modified haemorrhoids ligation device, includes negative pressure straw (1), its characterized in that: the inner wall of the negative pressure suction pipe (1) is provided with a mounting groove (2), a rubber sleeve (3) is clamped in the mounting groove (2), and the inner side wall of the rubber sleeve (3) is provided with an annular flange (4); the outer side wall of the negative pressure suction pipe (1) is provided with a sliding groove (5), a sliding sleeve (6) is arranged in the sliding groove (5) in a sliding mode, a first pull rod (7) is fixed at the tail of the sliding sleeve (6), a rubber ferrule (8) is sleeved on the outer side of the sliding sleeve (6), a first spring body (9) is fixed on the sliding sleeve (6), the movable end of the first spring body (9) is in interference fit with the rubber ferrule (8), and a second pull rod (27) is fixed on the first spring body (9); the outer side surface of the annular flange (4) is provided with a plurality of annular step parts (10), the outer side edges of the annular step parts (10) are provided with round corners (11), and the annular step parts (10) are internally provided with air bags (12).
2. The improved hemorrhoid ligation device according to claim 1, wherein: the rubber sleeve (3) inside wall is provided with a plurality of limit flange (13), and limit flange (13) are located the inboard of annular flange (4), and limit flange (13) and the inboard surface selective contact of annular flange (4), and the top coupling of limit flange (13) has arc separation blade (14), is connected through second spring body (15) between arc separation blade (14) and limit flange (13).
3. The improved hemorrhoid ligation device according to claim 1, wherein: the top end of the sliding sleeve (6) is connected with a plurality of supporting rods (16) in a shaft mode, the top ends of the adjacent supporting rods (16) are connected through third spring bodies (17), the outer side of each supporting rod (16) is wrapped by a rubber outer cover (18), an adjusting rod (19) is connected onto any one of the third spring bodies (17), through holes (20) are formed in the sliding sleeve (6) and the pull rod (7) in a penetrating mode, and the adjusting rod (19) is movably inserted into the through holes (20).
4. The improved hemorrhoid ligation device according to claim 3, wherein: a plurality of grooves (21) are axially arranged on the surface of the sliding sleeve (6), arc-shaped protrusions (23) are connected into the grooves (21) through fourth spring bodies (22), and limiting grooves (24) matched with the arc-shaped protrusions (23) are formed in the inner side edges of the rubber ferrules (8).
5. The improved hemorrhoid ligation device according to claim 4, wherein: the width of the inner side wall of the rubber ferrule (8) is smaller than that of the outer side wall, an arc-shaped elastic sheet (25) is connected between the edge of the inner side wall of the rubber ferrule (8) and the edge of the outer side wall, and a plurality of tooth-shaped parts (26) are fixed on the arc-shaped elastic sheet (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810977255.1A CN109157255B (en) | 2018-08-26 | 2018-08-26 | Improved hemorrhoid ligation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810977255.1A CN109157255B (en) | 2018-08-26 | 2018-08-26 | Improved hemorrhoid ligation device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109157255A CN109157255A (en) | 2019-01-08 |
| CN109157255B true CN109157255B (en) | 2020-12-15 |
Family
ID=64896871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810977255.1A Expired - Fee Related CN109157255B (en) | 2018-08-26 | 2018-08-26 | Improved hemorrhoid ligation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109157255B (en) |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3514410B2 (en) * | 1996-12-27 | 2004-03-31 | 住友ベークライト株式会社 | Endoscopic ligation kit |
| US6136009A (en) * | 1998-05-06 | 2000-10-24 | Ensurg, Inc. | Ligating band dispenser |
| US5913865A (en) * | 1998-05-15 | 1999-06-22 | Scimed Lifesystems, Inc. | Distal end for ligating band dispenser |
| US6280452B1 (en) * | 1998-06-22 | 2001-08-28 | Ensurg, Inc. | Balloon actuated ligating band dispenser |
| US7063709B2 (en) * | 2002-06-11 | 2006-06-20 | Boston Scientific Scimed, Inc. | Ligating band dispenser with transverse ridge profile |
| US7892244B2 (en) * | 2006-03-09 | 2011-02-22 | Niti Surgical Solutions Ltd. | Surgical compression clips |
| CN102028516A (en) * | 2009-09-28 | 2011-04-27 | 住友电木株式会社 | Suite for ligation under endoscope |
| CN103417255B (en) * | 2013-08-14 | 2016-01-06 | 江苏华杨医疗科技有限公司 | Single use controllable negative-pressure multi-continuous-jethaemorrhoid haemorrhoid loop ligature device |
| CN103519860A (en) * | 2013-09-18 | 2014-01-22 | 许瑞云 | Method for setting elastic threads in ligation device and automatic elastic thread ligation device |
| CN105105810B (en) * | 2015-07-15 | 2017-10-10 | 王维国 | Varices of esophagus covers bundling device under scope |
| CN105434013A (en) * | 2015-12-30 | 2016-03-30 | 天津普生元医疗科技发展有限公司 | Hemorrhoid ligation device easy to operate |
| CN108210018A (en) * | 2017-12-30 | 2018-06-29 | 天津灵角创意科技有限公司 | Screw-out type automatic ligation device |
-
2018
- 2018-08-26 CN CN201810977255.1A patent/CN109157255B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN109157255A (en) | 2019-01-08 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Ding Kang Inventor after: Fan Zhimin Inventor after: Liu Fei Inventor after: Chen Liangpei Inventor before: Chen Liangpei |
|
| CB03 | Change of inventor or designer information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20201202 Address after: No. 157 Daming Road, Nanjing, Jiangsu Province 210022 Applicant after: NANJING HOSPITAL OF T.C.M Address before: 610000 Block A, Huarun Plaza, No. 8 Liuli Road, Jinjiang District, Chengdu City, Sichuan Province Applicant before: Chen Liangpei |
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| TA01 | Transfer of patent application right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201215 |
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| CF01 | Termination of patent right due to non-payment of annual fee |