CN107137120A - A kind of automatic ligation device of hemorrhoids with raised line - Google Patents
A kind of automatic ligation device of hemorrhoids with raised line Download PDFInfo
- Publication number
- CN107137120A CN107137120A CN201710487064.2A CN201710487064A CN107137120A CN 107137120 A CN107137120 A CN 107137120A CN 201710487064 A CN201710487064 A CN 201710487064A CN 107137120 A CN107137120 A CN 107137120A
- Authority
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- China
- Prior art keywords
- cushion rubber
- pipe
- raised line
- hemorrhoids
- ligation device
- Prior art date
- 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.)
- Pending
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- 208000014617 hemorrhoid Diseases 0.000 title claims abstract description 78
- 229920001971 elastomer Polymers 0.000 claims abstract description 140
- 230000005540 biological transmission Effects 0.000 claims abstract description 23
- 230000002093 peripheral effect Effects 0.000 claims abstract description 9
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 32
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 32
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 26
- 238000004073 vulcanization Methods 0.000 claims description 23
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 21
- 239000005864 Sulphur Substances 0.000 claims description 21
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 claims description 18
- 244000043261 Hevea brasiliensis Species 0.000 claims description 18
- 229920003052 natural elastomer Polymers 0.000 claims description 18
- 229920001194 natural rubber Polymers 0.000 claims description 18
- 239000007787 solid Substances 0.000 claims description 17
- 108010010803 Gelatin Proteins 0.000 claims description 16
- 235000021355 Stearic acid Nutrition 0.000 claims description 16
- 229920000159 gelatin Polymers 0.000 claims description 16
- 239000008273 gelatin Substances 0.000 claims description 16
- 235000019322 gelatine Nutrition 0.000 claims description 16
- 235000011852 gelatine desserts Nutrition 0.000 claims description 16
- 235000011187 glycerol Nutrition 0.000 claims description 16
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 16
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 16
- 239000008117 stearic acid Substances 0.000 claims description 16
- KUAZQDVKQLNFPE-UHFFFAOYSA-N thiram Chemical compound CN(C)C(=S)SSC(=S)N(C)C KUAZQDVKQLNFPE-UHFFFAOYSA-N 0.000 claims description 16
- 239000011787 zinc oxide Substances 0.000 claims description 16
- 239000012188 paraffin wax Substances 0.000 claims description 15
- 239000000377 silicon dioxide Substances 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 11
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 8
- 239000000292 calcium oxide Substances 0.000 claims description 8
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 8
- 238000000748 compression moulding Methods 0.000 claims description 8
- 238000012856 packing Methods 0.000 claims description 8
- 239000003292 glue Substances 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 3
- 230000001737 promoting effect Effects 0.000 claims description 3
- YHMYGUUIMTVXNW-UHFFFAOYSA-N 1,3-dihydrobenzimidazole-2-thione Chemical compound C1=CC=C2NC(S)=NC2=C1 YHMYGUUIMTVXNW-UHFFFAOYSA-N 0.000 claims description 2
- 229920000642 polymer Polymers 0.000 claims description 2
- SMWDFEZZVXVKRB-UHFFFAOYSA-N Quinoline Chemical compound N1=CC=CC2=CC=CC=C21 SMWDFEZZVXVKRB-UHFFFAOYSA-N 0.000 claims 2
- 239000004575 stone Substances 0.000 claims 1
- 125000003698 tetramethyl group Chemical group [H]C([H])([H])* 0.000 claims 1
- 239000001993 wax Substances 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 abstract description 7
- 239000000047 product Substances 0.000 description 42
- 239000000306 component Substances 0.000 description 15
- 230000000052 comparative effect Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- 210000001519 tissue Anatomy 0.000 description 6
- 208000002193 Pain Diseases 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 208000031481 Pathologic Constriction Diseases 0.000 description 2
- 210000002255 anal canal Anatomy 0.000 description 2
- 210000000436 anus Anatomy 0.000 description 2
- 239000008280 blood Substances 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 239000006229 carbon black Substances 0.000 description 2
- 235000019241 carbon black Nutrition 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 206010020718 hyperplasia Diseases 0.000 description 2
- 210000004400 mucous membrane Anatomy 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 231100000241 scar Toxicity 0.000 description 2
- 230000036262 stenosis Effects 0.000 description 2
- 208000037804 stenosis Diseases 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 206010003671 Atrioventricular Block Diseases 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 208000017667 Chronic Disease Diseases 0.000 description 1
- 206010016654 Fibrosis Diseases 0.000 description 1
- 101000823778 Homo sapiens Y-box-binding protein 2 Proteins 0.000 description 1
- 206010061218 Inflammation Diseases 0.000 description 1
- NIPNSKYNPDTRPC-UHFFFAOYSA-N N-[2-oxo-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 NIPNSKYNPDTRPC-UHFFFAOYSA-N 0.000 description 1
- 206010030113 Oedema Diseases 0.000 description 1
- 235000003283 Pachira macrocarpa Nutrition 0.000 description 1
- 240000001085 Trapa natans Species 0.000 description 1
- 235000014364 Trapa natans Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000004761 fibrosis Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 230000004054 inflammatory process Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000000936 intestine Anatomy 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- WORCCYVLMMTGFR-UHFFFAOYSA-M loxoprofen sodium Chemical compound [Na+].C1=CC(C(C([O-])=O)C)=CC=C1CC1C(=O)CCC1 WORCCYVLMMTGFR-UHFFFAOYSA-M 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 210000004877 mucosa Anatomy 0.000 description 1
- 230000017074 necrotic cell death Effects 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 239000012744 reinforcing agent Substances 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 235000009165 saligot Nutrition 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000008733 trauma Effects 0.000 description 1
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
- A61B17/12009—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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L7/00—Compositions of natural rubber
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00526—Methods of manufacturing
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00831—Material properties
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2206—Oxides; Hydroxides of metals of calcium, strontium or barium
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Abstract
The present invention relates to a kind of automatic ligation device of hemorrhoids with raised line, described automatic ligation device of hemorrhoids includes cushion rubber body, cushion rubber pipe, cushion rubber pipe joint, attraction pipe joint, suction tube, propulsion tube, back-moving spring, transmission pipe, trigger, handle;The suction tube outer peripheral face is provided with propulsion tube, back-moving spring, transmission pipe;Described back-moving spring one end is connected with propulsion tube, and the back-moving spring other end is connected with transmission pipe;The suction tube near-end is connected with handle;Described cushion rubber joint is integrally formed with cushion rubber pipe, and the cushion rubber joint is standard component, and cushion rubber pipe joint correspondence connects the cushion rubber pipe of different inner diameters size;The cushion rubber body is provided with raised line, medial surface formation bite of the raised line annular spread in cushion rubber body;The raised line equidistantly distributed.Its advantage is shown:A kind of automatic ligation device of hemorrhoids with raised line of the present invention, can match different haemorrhoids sizes, bundle can be covered by way of occlusion, anti-slippery, fixed to be difficult to take off.
Description
Technical field
It is a kind of automatic ligation device of hemorrhoids with raised line specifically the present invention relates to technical field of medical instruments.
Background technology
Hemorrhoid are one or more soft formed by the veniplex generation varicose of anal orifice and rectal intestine bottom and anal mucosa
A kind of chronic disease of venous group, medical science is for the treatment method of hemorrhoid now, and more using the methods of surgery excision, this method is taken
With height, post-surgical trauma area is big, patient pain unbearably, in view of such a reason, in clinical treatment, is started to be covered using hemorrhoid and pricked
Device, the haemorrhoids ligation apparatus is to hold hemorrhoid lesion tissue by negative pressure, is then pricked with rubber ring sleeve, and the tissue under rubber ring will be by
Gradually because blood is not circulated and necrosis comes off, finally excrete.
In practical operation, there is following defect and deficiency in used plastic loop ligation device:
1. looping and binding device of the prior art, its cushion rubber is core component, however, the inner face of cushion rubber of the prior art is
Shiny surface, cover prick when with hemorrhoid aclusion structure, hemorrhoid are the greasy property than in more rich environment in tissue fluid in addition
It is good so that set pricks the problem of cushion rubber produces slippage with respect to hemorrhoid.
2. looping and binding device structure of the prior art mainly includes suction pipe, cushion rubber, ejector sleeve;Cushion rubber is socketed on suction pipe periphery
, in use, sucking hemorrhoid in suction pipe by suction pipe, then operate ejector sleeve so that cushion rubber slides and enclosed in haemorrhoids root
Set.However, because suction aperture of the prior art is single, causing matched cushion rubber size single, however, the size of haemorrhoids is
It is different so that the problem of plastic loop ligation easily comes off.Obtain the purpose do not treated.
3. the development of looping and binding device of the prior art is conceived to the innovation of apparatus in itself all the time, set pricks the research and development of cushion rubber but very
Refer to less, natural rubber of the prior art is made cushion rubber and is made, because natural rubber biology mixes type typically, easily cause repulsion
Reaction, causes infection and inflammation, and wet-sliding resistant performance is poor, and set pricks insecure, and cushion rubber easily comes off;Protein and cell adherence are in material
Expect surface, easy breed bacteria, while patient pain's sense aggravation.
Chinese patent literature CN201620053154.1, the applying date 20160120, patent name is:Reusable jacket
Device is pricked, a kind of reusable type looping and binding device is disclosed, including housing, takes out negative pressure pump, battery, sucker, suction pipe, pushes away circle, pushes away
Bar, storage tank and trigger, the front end of storage tank are provided with connector, and the front end of suction pipe is communicated with sucker, and rear end is removably inserted
Enter in cylinder chamber, to realize communicating for suction pipe and storage tank;It is characterized in that:The opening exposure of cylinder chamber on the connector
Outside, so that user of service carries out changing suction pipe and push rod, the reuse of looping and binding device is realized.
The looping and binding device of above-mentioned patent document, the connector exposure by will be connected with suction pipe will drive push rod outside
Pushing block exposes outside, facilitate suction pipe and pusher section and carry out disassembly and assembly, it is to avoid connector and pushing block are in enclosure interior
The drawbacks of being difficult to see clearly, facilitate medical personnel using, reduce medical treatment cost, save material, more environmentally-friendly energy-conservation is beneficial
Effect significantly, is more suitable for application.But on it is a kind of can match different haemorrhoids sizes, can by way of occlusion set
Prick, anti-slippery, fixed technical scheme difficult for drop-off is then without corresponding open.
It is anti-slippery, solid in summary, it is necessary to which a kind of can match different haemorrhoids sizes, bundle can be covered by way of occlusion
It is calmly firm to be difficult the de- automatic ligation device of hemorrhoids with raised line.And yet there are no report on the automatic ligation device of hemorrhoids of this raised line.
The content of the invention
The purpose of the present invention be can match different haemorrhoids sizes there is provided one kind for deficiency of the prior art, can
Bundle is covered by way of occlusion, it is anti-slippery, fixed to be difficult the de- automatic ligation device of hemorrhoids with raised line.
Another purpose of the present invention is to provide the cushion rubber body in kind of the automatic ligation device of hemorrhoids with raised line.
Another purpose of the present invention is to provide a kind of preparation method of cushion rubber body.
To achieve the above object, the present invention is adopted the technical scheme that:
A kind of automatic ligation device of hemorrhoids with raised line, a kind of automatic ligation device of hemorrhoids with raised line, described automatic hemorrhoid
Looping and binding device includes cushion rubber body, cushion rubber pipe, cushion rubber pipe joint, attraction pipe joint, suction tube, propulsion tube, back-moving spring, transmission
Pipe, trigger, handle;Described cushion rubber body is socketed on cushion rubber pipe outer peripheral face;The cushion rubber pipe near-end connects with cushion rubber pipe joint
Connect;The cushion rubber pipe joint other end is connected with suction tube;The suction tube outer peripheral face is provided with propulsion tube, back-moving spring, biography
Pass pipe;Described back-moving spring one end is connected with propulsion tube, and the back-moving spring other end is connected with transmission pipe;The suction tube near-end
It is connected with handle;Described cushion rubber joint is integrally formed with cushion rubber pipe, and the cushion rubber joint is standard component, and cushion rubber pipe connects
The cushion rubber pipe of joint correspondence connection different inner diameters size;The cushion rubber body is provided with raised line, and raised line annular spread is in cushion rubber sheet
The medial surface formation bite of body;The raised line equidistantly distributed.
As a kind of perferred technical scheme, the handle is provided with negative port pipe, blast pipe, negative pressure switch;It is described
Negative pressure switch is arranged on handle in appearance;Negative port pipe is arranged on handle base side, and the blast pipe is arranged on handle side.
As a kind of perferred technical scheme, the cushion rubber pipe is provided with internal thread;The attraction pipe joint is provided with extension
Portion, the internal thread that extension is provided with external screw thread, the external screw thread cushion rubber joint is engaged;The attraction pipe joint and suction tube
It is Integratively formed
As a kind of perferred technical scheme, the inwall of the cushion rubber joint is provided with buckling groove;The attraction pipe joint
Extension be provided with clamping block;The clamping block includes tongue body and support spring, and tongue body, Ling Yigu are fixed in support spring one end
It is scheduled on extension.
As a kind of perferred technical scheme, described transmission pipe one end is provided with pressing plate, and the outer peripheral face of the other end is provided with
Promote gear;The trigger includes handle, rotating shaft, trigger wheel;Described rotating shaft one end trigger wheel connection, the other end connects with handle
Connect;The trigger wheel is with promoting gear to be connected by way of gear is engaged.To realize above-mentioned second purpose, the present invention takes
Technical scheme be:
A kind of cushion rubber body applied on the automatic ligation device of hemorrhoids with raised line, it is characterised in that the cushion rubber body
Be made up of following parts by weight:100 parts of natural rubber;1.5 parts of stearic acid;6 parts of zinc oxide;2.5 parts of glycerine;2-5 parts of solid paraffin;
1.5 parts of Vulcanization accelerator TMTD;2 parts of antioxidant 264;1.5 parts of sulphur;2 parts of calcium oxide;1 part of gelatin;15-20 parts of gas-phase silica.
As a kind of perferred technical scheme, Vulcanization accelerator TMTD is N, the double thiamides of the sulphur of N '-tetramethyl two.
As a kind of perferred technical scheme, age resistor is:DBPC 2,6 ditertiary butyl p cresol, 2,2,4- trimethyls -1,2-
Dichloride quinoline polymer or 2-mercaptobenzimidazole.
As a kind of perferred technical scheme, the model R972 of the gas-phase silica.
To realize above-mentioned 3rd purpose, the present invention is adopted the technical scheme that:
A kind of cushion rubber this preparation applied in the automatic ligation device of hemorrhoids with raised line, it is characterised in that described
Preparation method is as follows:
The first step, each component is weighed according to formula;
Second step, bag roller that natural rubber is plasticated in two-roll mill;
In 3rd step, the product obtained by addition stearic acid, zinc oxide and solid paraffin to step 2, mixing is uniform;
4th step, addition glycerine, gelatin are into step 3 products therefrom, and mixing is uniform;
5th step, gas-phase silica R972 is into step 4 products therefrom for addition, and mixing is uniform;
6th step, add Vulcanization accelerator TMTD, antioxidant 264 to step 5 institute product in, mixing uniformly.
7th step, adds sulphur into step 6 products therefrom, mixing is uniform, packing, thin logical rear slice;
8th step, the sheet material that step 7 is obtained records cure time without being tested on rotor vulcameter;
9th step, compression molding is carried out by the piece timber-used vulcanizer obtained by step 8, and curing temperature is 144-151 degree, sulphur
The change time adds the product after a clock with the curing temperature of step 8 for the cure time in step 8, obtains cushion rubber body.
The invention has the advantages that:
1st, a kind of automatic ligation device of hemorrhoids with raised line of the invention, can match different haemorrhoids sizes, can be by stinging
The mode of conjunction covers bundle, anti-slippery, fixed to be difficult to take off;
2nd, cushion rubber pipe suction tube is detachably connected by cushion rubber pipe joint with water suction pipe joint, is easy to change cushion rubber in time
Pipe, cushion rubber pipe joint is designed for standard so that cushion rubber tube body size matches with haemorrhoids size so that cushion rubber body is pricked in set
It is firm during hemorrhoid
3rd, provided with back-moving spring, trigger and transmission pipe, cocking is passed through so that transmission pipe compression reseting spring, and
Through propulsion tube so that cushion rubber body is pricked in hemorrhoid from set, can so be realized after once inserting, pricked while cushion rubber body is covered
In hemorrhoid, time is pricked, and fixation is difficult for drop-off, while being adapted to the ligation treatment of multiple hemorrhoid;
4th, cushion rubber body is provided with raised line, and raised line annular spread is in the medial surface formation bite of cushion rubber body, and this is main
There is following action effect:1. raised line is engaged on hemorrhoid body, anti-slippery, fixation is difficult for drop-off;2. raised line hemorrhoid body set is pricked,
Form tooth profile sleeve to prick, hemorrhoid body and mucous membranes on haemorrhoids are pricked by covering, remove the hemorrhoid body of function, also anus pad can be made above to carry, utilize local fibre
Dimensionization hyperplasia, cicatrization, so as to reach the purpose of fixed surrounding tissue;3, it is in tooth curve to prick position due to the set of haemorrhoids,
The scar of formation at grade, can not effectively prevent stenosis of anal canal.
5th, cushion rubber body in terms of material by being improved, and obtained cushion rubber body wet-sliding resistant performance is good, fixation.
Brief description of the drawings
Accompanying drawing 1 is a kind of automatic ligation device of hemorrhoids assembling structure schematic diagram with raised line of the present invention.
Accompanying drawing 2 is a kind of automatic ligation device of hemorrhoids configuration schematic diagram with raised line of the invention.
Accompanying drawing 3 is cushion rubber joint with attracting structural representation under pipe joint partial disassembly state.
Accompanying drawing 4 is this another cushion rubber joint with attracting structural representation under pipe joint partial disassembly state.
Accompanying drawing 5 is transmission pipe and trigger connection diagram.
Accompanying drawing 6 is cushion rubber body overlook direction schematic diagram.
Embodiment
The embodiment that the present invention is provided is elaborated below in conjunction with the accompanying drawings.
The reference and part being related in accompanying drawing are as follows:
1. the raised line of cushion rubber body 11.
2. the cushion rubber pipe joint of cushion rubber pipe 3.
4. attract the suction tube of pipe joint 5.
6. the back-moving spring of propulsion tube 7.
8. transmit the trigger of pipe 9.
10. the extension of handle 41.
The clamping block of 411. external screw thread 412.
81. platen 82. promotes gear
91. the handle of trigger wheel 92.
93. the negative pressure switch of rotating shaft 101.
102. the blast pipe of negative port pipe 103.
Embodiment 1
Referring to Fig.1 and 2, Fig. 1 is a kind of automatic ligation device of hemorrhoids assembling structure signal with raised line 11 of the present invention
Figure.Fig. 2 is a kind of automatic ligation device of hemorrhoids configuration schematic diagram with raised line 11 of the invention.It is a kind of with the automatic of raised line 11
Haemorrhoids ligation apparatus, described automatic ligation device of hemorrhoids include cushion rubber body 1, cushion rubber pipe 2, cushion rubber pipe joint 3, attract pipe joint 4,
Suction tube 5, propulsion tube 6, back-moving spring 7, transmission pipe 8, trigger 9, handle 10;Described cushion rubber body 1 is socketed in outside cushion rubber pipe 2
On side face;The near-end of cushion rubber pipe 2 is connected with cushion rubber pipe joint 3;The other end of cushion rubber pipe joint 3 is connected with suction tube 5;Institute
The outer peripheral face of suction tube 5 is stated provided with propulsion tube 6, back-moving spring 7, transmission pipe 8;Described one end of back-moving spring 7 connects with propulsion tube 6
Connect, the other end of back-moving spring 7 is connected with transmission pipe 8;The near-end of suction tube 5 is connected with handle 10;The handle 10 is provided with
Negative port pipe 102, blast pipe 103, negative pressure switch 101;The negative pressure switch 101 is arranged on handle 10 in appearance;Negative pressure connects
Mouth pipe 102 is arranged on the bottom side of handle 10, and the blast pipe 103 is arranged on the side of handle 10.
Fig. 3 is refer to, Fig. 3 is cushion rubber joint with attracting structural representation under the partial disassembly's state of pipe joint 4.Described glue
It is integrally formed with cushion rubber pipe 2 to enclose joint, and the cushion rubber joint is standard component, and the correspondence connection of the joint of cushion rubber pipe 2 is different
The cushion rubber pipe 2 of internal diameter size;The cushion rubber pipe 2 is provided with internal thread;The attraction pipe joint 4 is provided with extension 41, extension
41 internal threads being provided with external screw thread 411, the cushion rubber joint of external screw thread 411 are engaged;The attraction pipe joint 4 is with attracting
Pipe 5 is Integratively formed.
Fig. 4 is refer to, Fig. 4 is this another cushion rubber joint with attracting structural representation under the partial disassembly's state of pipe joint 4.
The inwall of the cushion rubber joint is provided with buckling groove;The extension 41 for attracting pipe joint 4 is provided with clamping block 412;It is described
Clamping block 412 includes tongue body and support spring, and tongue body is fixed in support spring one end, another to be fixed on extension 41.
Fig. 5 is refer to, Fig. 5 is transmission pipe 8 and the connection diagram of trigger 9.Described one end of transmission pipe 8 is provided with pressing plate
81, the outer peripheral face of the other end is provided with promotion gear 82;The trigger 9 includes handle 92, rotating shaft 93, trigger wheel 91;Described turns
One end trigger wheel 91 of axle 93 is connected, and the other end is connected with handle 92;The trigger wheel 91 is with promoting gear 82 to be engaged by gear
Mode connect.
Fig. 6 is refer to, Fig. 6 is the overlook direction schematic diagram of cushion rubber body 1.The cushion rubber body 1 is provided with raised line 11, raised line
Medial surface formation bite of 11 annular spreads in cushion rubber body 1;The equidistantly distributed of raised line 11.
It should be noted that:A kind of operation principle of automatic ligation device of hemorrhoids with raised line 11 of the present invention is as follows:Connection
After good automatic hemorrhoid device, diseased region is inserted through anal device, negative pressure device is connected by negative port pipe 102, haemorrhoids is entered
Row attracts, after haemorrhoids is inhaled into suction tube 5, by controlling trigger 9 so that transmission pipe 8 being capable of compression reseting spring 7, reset
The elastic force triggering forward slip of propulsion tube 6 that spring 7 is produced, leads haemorrhoids root so that cushion rubber body 1 is promoted, realizes haemorrhoids
Set is pricked.After set bundle is finished, trigger 9, the no longer stress of back-moving spring 7, due to elastic force effect, by propulsion tube 6 and transmission pipe 8 are loosened
Resetted, so as to carry out one trap the mutual aid system devised for poor peasants make.
The suction tube 5 of cushion rubber pipe 2 in the present embodiment is detachably connected by cushion rubber pipe joint 3 with water suction pipe joint, is easy to
Cushion rubber pipe 2 is changed in time;Wherein, cushion rubber pipe joint 3 designs for standard, i.e., what the cushion rubber pipe 2 of different specification size was connected is
The cushion rubber joint of uniform sizes specification, can be with attracting pipe joint 4 to be connected by the cushion rubber pipe joint 3.Therefore, when in use,
The cushion rubber pipe 2 matched can be rotated according to hemorrhoid size, and cushion rubber body 1 is socketed on cushion rubber pipe 2, different size glue
The different size of cushion rubber body 1 of the correspondence of pipe 2 is enclosed, so so that the body size of cushion rubber pipe 2 matches with haemorrhoids size so that glue
Enclose body 1 firm when set pricks hemorrhoid, it is difficult for drop-off.
Cushion rubber pipe joint 3 is connected through a screw thread or by snapping connection with attraction pipe joint 4 in this implementation, its
In, thread connecting mode, which is connected, make it that the connection reliability between cushion rubber pipe 2 and suction tube 5 is good;Cushion rubber pipe 2 leads to suction tube 5
Cross buckle-type connection, main function be it is easy to operate, being capable of Fast Installation.
Provided with back-moving spring 7, trigger 9 and transmission pipe 8, pass through cocking 9 so that the transmission compression reseting spring of pipe 8
7, and through propulsion tube 6 so that cushion rubber body 1 is pricked in hemorrhoid from set.After set bundle is finished, trigger 9 is loosened, in back-moving spring 7
Under effect, propulsion tube 6 and transmission pipe 8 return to origin-location, and the set that can be carried out next time is pricked.It can so realize and once insert
Afterwards, while by 1 set of bundle of cushion rubber body in hemorrhoid, time is pricked, and fixation is difficult for drop-off, while being adapted to multiple hemorrhoid
Ligation treatment.
The handle 10 is provided with negative port pipe 102 and blast pipe 103, and negative pressure is connected by negative port pipe 102
Device, it is main that negative pressure power is provided;The setting of blast pipe 103 is mainly covered after bundle finishes, and discharges negative pressure, convenient to take out.
The cushion rubber body 1 is provided with raised line 11, medial surface formation occlusion of the annular spread of raised line 11 in cushion rubber body 1
Portion, this mainly has following action effect:1. raised line 11 is engaged on hemorrhoid body, anti-slippery, fixation is difficult for drop-off;2. raised line
When 11 hemorrhoid bodies set is pricked, form tooth profile sleeve and prick, hemorrhoid body and mucous membranes on haemorrhoids are pricked by covering, remove the hemorrhoid body of function, can also make on anus pad
Carry, using local fibrosis hyperplasia, cicatrization, so as to reach the purpose of fixed surrounding tissue;3, because the set of haemorrhoids pricks position
Put in tooth curve, the scar of formation at grade, can not effectively prevent stenosis of anal canal.
Embodiment 2
Component | Parts by weight |
Natural rubber | 100 |
Stearic acid | 1.5 |
Zinc oxide | 6 |
Glycerine | 2.5 |
Solid paraffin | 5 |
Vulcanization accelerator TMTD | 1.5 |
Antioxidant 264 | 2 |
Sulphur | 1.5 |
Calcium oxide | 2 |
Gelatin | 1 |
Gas-phase silica R972 | 15 |
The first step, each component is weighed according to above-mentioned formula;
Second step, bag roller that natural rubber is plasticated in two-roll mill;
In 3rd step, the product obtained by addition stearic acid, zinc oxide and solid paraffin to step 2, mixing is uniform;
4th step, addition glycerine, gelatin are into step 3 products therefrom, and mixing is uniform;
5th step, gas-phase silica RR972 is into step 4 products therefrom for addition, and mixing is uniform;
6th step, add Vulcanization accelerator TMTD, antioxidant 264 to step 5 institute product in, mixing uniformly.
7th step, adds sulphur into step 6 products therefrom, mixing is uniform, packing, thin logical rear slice;
8th step, the sheet material that step 7 is obtained records cure time without being tested on rotor vulcameter;
9th step, compression molding is carried out by the piece timber-used vulcanizer obtained by step 8, and curing temperature is 151 degree, vulcanization
Time adds the product after a clock with the curing temperature of step 8 for the cure time in step 8, obtains cushion rubber body 1.
Embodiment 3
Component | Parts by weight |
Natural rubber | 100 |
Stearic acid | 1.5 |
Zinc oxide | 6 |
Glycerine | 2.5 |
Solid paraffin | 2 |
Vulcanization accelerator TMTD | 1.5 |
Antioxidant 264 | 2 |
Sulphur | 1.5 |
Calcium oxide | 2 |
Gelatin | 1 |
Gas-phase silica R972 | 18 |
The first step, each component is weighed according to above-mentioned formula;
Second step, bag roller that natural rubber is plasticated in two-roll mill;
In 3rd step, the product obtained by addition stearic acid, zinc oxide and solid paraffin to step 2, mixing is uniform;
4th step, addition glycerine, gelatin are into step 3 products therefrom, and mixing is uniform;
5th step, gas-phase silica R972 is into step 4 products therefrom for addition, and mixing is uniform;
6th step, add Vulcanization accelerator TMTD, antioxidant 264 to step 5 institute product in, mixing uniformly.
7th step, adds sulphur into step 6 products therefrom, mixing is uniform, packing, thin logical rear slice;
8th step, the sheet material that step 7 is obtained records cure time without being tested on rotor vulcameter;
9th step, compression molding is carried out by the piece timber-used vulcanizer obtained by step 8, and curing temperature is 144 degree, vulcanization
Time adds the product after a clock with the curing temperature of step 8 for the cure time in step 8, obtains cushion rubber body 1.
Embodiment 4
Component | Parts by weight |
Natural rubber | 100 |
Stearic acid | 1.5 |
Zinc oxide | 6 |
Glycerine | 2.5 |
Solid paraffin | 3 |
Vulcanization accelerator TMTD | 1.5 |
Antioxidant 264 | 2 |
Sulphur | 1.5 |
Calcium oxide | 2 |
Gelatin | 1 |
Gas-phase silica R972 | 20 |
The first step, each component is weighed according to above-mentioned formula;
Second step, bag roller that natural rubber is plasticated in two-roll mill;
In 3rd step, the product obtained by addition stearic acid, zinc oxide and solid paraffin to step 2, mixing is uniform;
4th step, addition glycerine, gelatin are into step 3 products therefrom, and mixing is uniform;
5th step, gas-phase silica R972 is into step 4 products therefrom for addition, and mixing is uniform;
6th step, add Vulcanization accelerator TMTD, antioxidant 264 to step 5 institute product in, mixing uniformly.
7th step, adds sulphur into step 6 products therefrom, mixing is uniform, packing, thin logical rear slice;
8th step, the sheet material that step 7 is obtained records cure time without being tested on rotor vulcameter;
9th step, compression molding is carried out by the piece timber-used vulcanizer obtained by step 8, and curing temperature is 145 degree, vulcanization
Time adds the product after a clock with the curing temperature of step 8 for the cure time in step 8, obtains cushion rubber body 1.
Comparative example 1
Component | Parts by weight |
Natural rubber | 100 |
Stearic acid | 1.5 |
Zinc oxide | 6 |
Glycerine | 2.5 |
Solid paraffin | 3 |
N, N ' two double thiamides of sulphur of-tetramethyl | 1.5 |
Antioxidant 264 | 2 |
Sulphur | 1.5 |
Calcium oxide | 2 |
Gelatin | 1 |
N220 carbon blacks | 20 |
The first step, each component is weighed according to above-mentioned formula;
Second step, bag roller that natural rubber is plasticated in two-roll mill;
In 3rd step, the product obtained by addition stearic acid, zinc oxide and solid paraffin to step 2, mixing is uniform;
4th step, addition glycerine, gelatin are into step 3 products therefrom, and mixing is uniform;
5th step, addition N220 carbon blacks are into step 4 products therefrom, and mixing is uniform;
6th step, is added in N, the double thiamides of N '-tetramethyl two sulphur, the product of antioxidant 264 to step 5 institute, mixing is
It is even.
7th step, adds sulphur into step 6 products therefrom, mixing is uniform, packing, thin logical rear slice;
8th step, the sheet material that step 7 is obtained records cure time without being tested on rotor vulcameter;
9th step, compression molding is carried out by the piece timber-used vulcanizer obtained by step 8, and curing temperature is 145 degree, vulcanization
Time adds the product after a clock with the curing temperature of step 8 for the cure time in step 8, obtains cushion rubber body 1.
Comparative example 2
Component | Parts by weight |
Natural rubber | 100 |
Stearic acid | 1.5 |
Zinc oxide | 6 |
Glycerine | 2.5 |
Solid paraffin | 3 |
Vulcanization accelerator TMTD | 1.5 |
Antioxidant 264 | 2 |
Sulphur | 1.5 |
Calcium oxide | 2 |
Gelatin | 1 |
518 precipitated silicas | 20 |
The first step, each component is weighed according to above-mentioned formula;
Second step, bag roller that natural rubber is plasticated in two-roll mill;
In 3rd step, the product obtained by addition stearic acid, zinc oxide and solid paraffin to step 2, mixing is uniform;
4th step, addition glycerine, gelatin are into step 3 products therefrom, and mixing is uniform;
5th step, 518 precipitated silicas of addition are into step 4 products therefrom, and mixing is uniform;
6th step, add Vulcanization accelerator TMTD, antioxidant 264 to step 5 institute product in, mixing uniformly.
7th step, adds sulphur into step 6 products therefrom, mixing is uniform, packing, thin logical rear slice;
8th step, the sheet material that step 7 is obtained records cure time without being tested on rotor vulcameter;
9th step, compression molding is carried out by the piece timber-used vulcanizer obtained by step 8, and curing temperature is 145 degree, vulcanization
Time adds the product after a clock with the curing temperature of step 8 for the cure time in step 8, obtains cushion rubber body 1.
Comparative example 3
Component | Parts by weight |
Natural rubber | 100 |
Stearic acid | 1.5 |
Zinc oxide | 6 |
Glycerine | 2.5 |
Solid paraffin | 3 |
Vulcanization accelerator TMTD | 1.5 |
Antioxidant 264 | 2 |
Sulphur | 1.5 |
Calcium oxide | 2 |
Gelatin | 1 |
The first step, each component is weighed according to above-mentioned formula;
Second step, bag roller that natural rubber is plasticated in two-roll mill;
In 3rd step, the product obtained by addition stearic acid, zinc oxide and solid paraffin to step 2, mixing is uniform;
4th step, addition glycerine, gelatin are into step 3 products therefrom, and mixing is uniform;
5th step, add Vulcanization accelerator TMTD, antioxidant 264 to step 5 institute product in, mixing uniformly.
6th step, adds sulphur into step 6 products therefrom, mixing is uniform, packing, thin logical rear slice;
7th step, the sheet material that step 7 is obtained records cure time without being tested on rotor vulcameter;
8th step, compression molding is carried out by the piece timber-used vulcanizer obtained by step 7, and curing temperature is 145 degree, vulcanization
Time adds the product after a clock with the curing temperature of step 7 for the cure time in step 7, obtains cushion rubber body 1.
Embodiment 5
By embodiment 2-4, comparative example 1-3 product is analyzed
According to GB/T528-1998 standards, the UT-2028 type electronics produced using TaiWan, China You Ken Science and Technology Ltd.s
Cupping machine is tested, and tensile bars are width 6mm, long 25mm, thickness 1mm dumbbell shaped, and rate of extension is 500nm/min.
Cushion rubber body 1 is pulled at 400%, 1 hour is fixed, the deformation quantity of cushion rubber body 1 before and after measurement stretching is removed.Hardness test is joined
According to GB/T531-1999 standards, the LX-A model hardness produced using the water chestnut instrument of Shanghai six is measured.Obtain following result:
As seen from the above table, normative reference, the cushion rubber sheet can be better than for the cushion rubber body 1 of gas-phase silica on reinforcing agent
The wet-sliding resistant performance of body 1 is good, and fixation is difficult for drop-off;
Hardness in comparative example 1 in cushion rubber body 1 is 73A, and when cushion rubber body 1 and human contact, hardness should be controlled
Proper between 35A-60A, excessive hardness is relatively difficult when cushion rubber body 1 is inserted on cushion rubber pipe 2, causes clinic to make
With difficulty, more pain can be increased to patient;
The permanent deformation of cushion rubber body 1 is up to 20% in comparative example 2, and deformation is excessive in use for cushion rubber body 1, fixed
Stress is stretched to diminish.Cause tissue blood to block incomplete, cause oedema to be reacted.
The tensile strength of cushion rubber body 1 is 17MPa in comparative example 3, and standard reference value needs to be more than or equal to 20MPa,
Mechanical property is not good enough, and wet-sliding resistant performance is poor, and fixation is insecure, easily comes off.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
Member, on the premise of the inventive method is not departed from, can also make some improvement and supplement, and these are improved and supplement also should be regarded as
Protection scope of the present invention.
Claims (10)
1. a kind of automatic ligation device of hemorrhoids with raised line, it is characterised in that described automatic ligation device of hemorrhoids include cushion rubber body,
Cushion rubber pipe, cushion rubber pipe joint, attraction pipe joint, suction tube, propulsion tube, back-moving spring, transmission pipe, trigger, handle;Described glue
Circle body is socketed on cushion rubber pipe outer peripheral face;The cushion rubber pipe near-end is connected with cushion rubber pipe joint;The cushion rubber pipe joint is another
End is connected with suction tube;The suction tube outer peripheral face is provided with propulsion tube, back-moving spring, transmission pipe;Described back-moving spring one
End is connected with propulsion tube, and the back-moving spring other end is connected with transmission pipe;The suction tube near-end is connected with handle;Described cushion rubber
Joint is integrally formed with cushion rubber pipe, and the cushion rubber joint is standard component, and cushion rubber pipe joint correspondence connects different inner diameters
The cushion rubber pipe of size;The cushion rubber body is provided with raised line, and raised line annular spread forms bite in the medial surface of cushion rubber body,
And the raised line equidistantly distributed.
2. the automatic ligation device of hemorrhoids according to claim 1 with raised line, it is characterised in that the handle is provided with negative pressure
Mouthpiece, blast pipe, negative pressure switch;The negative pressure switch is arranged on handle in appearance;Negative port pipe is arranged on handle base
Side, the blast pipe is arranged on handle side.
3. the automatic ligation device of hemorrhoids according to claim 2 with raised line, it is characterised in that the cushion rubber pipe is provided with interior
Screw thread;The attraction pipe joint is provided with extension, and extension is provided with the internal thread phase on external screw thread, the external screw thread cushion rubber joint
Coordinate;The attraction pipe joint and suction tube are Integratively formed
4. the automatic ligation device of hemorrhoids according to claim 1 or 2 with raised line, it is characterised in that the cushion rubber joint
Inwall is provided with buckling groove;The extension for attracting pipe joint is provided with clamping block;The clamping block includes tongue body and support
Tongue body is fixed in spring, support spring one end, and the other end is fixed on extension.
5. the automatic ligation device of hemorrhoids according to claim 1 with raised line, it is characterised in that described transmission pipe one end is set
There is pressing plate, the outer peripheral face of the other end is provided with promotion gear;The trigger includes handle, rotating shaft, trigger wheel;Described rotating shaft one
The connection of trigger wheel is held, the other end is connected with handle;The trigger wheel is with promoting gear to be connected by way of gear is engaged.
6. the automatic ligation device of hemorrhoids with raised line according to claim 1 or 2 or 3 or 4 or 5, it is characterised in that the glue
Enclose being made up of following parts by weight for body:100 parts of natural rubber;1.5 parts of stearic acid;6 parts of zinc oxide;2.5 parts of glycerine;Solid stone
2-5 parts of wax;1.5 parts of Vulcanization accelerator TMTD;2 parts of antioxidant 264;1.5 parts of sulphur;2 parts of calcium oxide;1 part of gelatin;Gas-phase silica
15-20 parts.
7. the automatic ligation device of hemorrhoids according to claim 6 with raised line, it is characterised in that Vulcanization accelerator TMTD is N, N '-
The double thiamides of the sulphur of tetramethyl two.
8. the automatic ligation device of hemorrhoids according to claim 6 with raised line, it is characterised in that age resistor is:The uncles of 2,6- bis-
Butyl paracresol, 2,2,4- trimethyls -1,2- dichlorides quinoline polymer or 2-mercaptobenzimidazole.
9. the automatic ligation device of hemorrhoids according to claim 6 with raised line, it is characterised in that the type of the gas-phase silica
Number be R972.
10. cushion rubber this preparation in any described automatic ligation device of hemorrhoids with raised line in claim 6, its
It is characterised by, the preparation method is as follows:
The first step, each component is weighed according to formula;
Second step, bag roller that natural rubber is plasticated in two-roll mill;
In 3rd step, the product obtained by addition stearic acid, zinc oxide and solid paraffin to step 2, mixing is uniform;
4th step, addition glycerine, gelatin are into step 3 products therefrom, and mixing is uniform;
5th step, gas-phase silica R972 is into step 4 products therefrom for addition, and mixing is uniform;
6th step, add Vulcanization accelerator TMTD, antioxidant 264 to step 5 institute product in, mixing uniformly;
7th step, adds sulphur into step 6 products therefrom, mixing is uniform, packing, thin logical rear slice;
8th step, the sheet material that step 7 is obtained records cure time without being tested on rotor vulcameter;
9th step, compression molding is carried out by the piece timber-used vulcanizer obtained by step 8, and curing temperature is 144-151 degree, vulcanization
Time adds the product after a clock with the curing temperature of step 8 for the cure time in step 8, obtains cushion rubber body.
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Cited By (3)
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CN111658049A (en) * | 2020-06-27 | 2020-09-15 | 泰州品青医疗器械有限公司 | Disposable negative pressure haemorrhoids ligation device |
CN112957102A (en) * | 2020-12-29 | 2021-06-15 | 王斌 | Ligation device with controllable ligation force and using method thereof |
CN113558705A (en) * | 2021-07-26 | 2021-10-29 | 苏州法兰克曼医疗器械有限公司 | Double-ring ligation device |
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CN205307054U (en) * | 2016-01-21 | 2016-06-15 | 于国志 | Automatic haemorrhoids ligation device of disposable |
CN207768454U (en) * | 2017-06-23 | 2018-08-28 | 太仓市中医医院 | Automatic ligation device of hemorrhoids with raised line |
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CN202151367U (en) * | 2011-01-06 | 2012-02-29 | 青岛大学医学院附属医院 | Automatic hemorrhoid ligation device with replaceable negative pressure suction head |
CN104910448A (en) * | 2015-06-03 | 2015-09-16 | 华南理工大学 | Preparation method of annular elastic ring of medical ligator |
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CN111658049A (en) * | 2020-06-27 | 2020-09-15 | 泰州品青医疗器械有限公司 | Disposable negative pressure haemorrhoids ligation device |
CN112957102A (en) * | 2020-12-29 | 2021-06-15 | 王斌 | Ligation device with controllable ligation force and using method thereof |
CN112957102B (en) * | 2020-12-29 | 2022-12-20 | 江西神你医疗器械有限公司 | Ligation device with controllable ligation force and using method thereof |
CN113558705A (en) * | 2021-07-26 | 2021-10-29 | 苏州法兰克曼医疗器械有限公司 | Double-ring ligation device |
CN113558705B (en) * | 2021-07-26 | 2023-03-14 | 苏州法兰克曼医疗器械有限公司 | Double-ring ligation device |
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Application publication date: 20170908 |