CN105232107B - The method to set up of elastic thread looping and binding device and elastic thread - Google Patents
The method to set up of elastic thread looping and binding device and elastic thread Download PDFInfo
- Publication number
- CN105232107B CN105232107B CN201510713422.8A CN201510713422A CN105232107B CN 105232107 B CN105232107 B CN 105232107B CN 201510713422 A CN201510713422 A CN 201510713422A CN 105232107 B CN105232107 B CN 105232107B
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- elastic thread
- pipette tips
- pull bar
- draught line
- rope sling
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- 239000002861 polymer material Substances 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 4
- 238000003032 molecular docking Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 230000008520 organization Effects 0.000 abstract description 7
- 238000010276 construction Methods 0.000 abstract description 5
- 206010051077 Post procedural haemorrhage Diseases 0.000 abstract description 4
- 230000000740 bleeding effect Effects 0.000 abstract description 3
- 230000002980 postoperative effect Effects 0.000 abstract description 3
- 208000035965 Postoperative Complications Diseases 0.000 abstract description 2
- 208000014617 hemorrhoid Diseases 0.000 description 27
- 229920001971 elastomer Polymers 0.000 description 26
- 239000005060 rubber Substances 0.000 description 26
- 239000000463 material Substances 0.000 description 5
- 239000004033 plastic Substances 0.000 description 5
- 238000011084 recovery Methods 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229920000126 latex Polymers 0.000 description 3
- 239000004816 latex Substances 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 239000000741 silica gel Substances 0.000 description 3
- 229910002027 silica gel Inorganic materials 0.000 description 3
- 244000043261 Hevea brasiliensis Species 0.000 description 2
- 208000025865 Ulcer Diseases 0.000 description 2
- 206010052428 Wound Diseases 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000035876 healing Effects 0.000 description 2
- 230000003752 improving hair Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 229920003052 natural elastomer Polymers 0.000 description 2
- 229920001194 natural rubber Polymers 0.000 description 2
- 230000017074 necrotic cell death Effects 0.000 description 2
- 231100000397 ulcer Toxicity 0.000 description 2
- 206010003694 Atrophy Diseases 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 208000032843 Hemorrhage Diseases 0.000 description 1
- 208000037486 Postoperative Hemorrhage Diseases 0.000 description 1
- 208000012287 Prolapse Diseases 0.000 description 1
- 208000015815 Rectal disease Diseases 0.000 description 1
- 206010038074 Rectal polyp Diseases 0.000 description 1
- 230000037444 atrophy Effects 0.000 description 1
- 208000034158 bleeding Diseases 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000036770 blood supply Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011982 device technology Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
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- 230000002956 necrotizing effect Effects 0.000 description 1
- 208000022075 polyp of rectum Diseases 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 210000000664 rectum Anatomy 0.000 description 1
- 230000029663 wound healing 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
- A61B17/12—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
- A61B2017/12018—Elastic band ligators
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Reproductive Health (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The present invention discloses a kind of method that elastic thread looping and binding device and elastic thread are set, and pipette tips include pipette tips main body, pull bar fixator, pipette tips sleeve pipe, elastic thread pull bar and pipette tips fixed sleeving；Also include at least one elastic thread and corresponding draught line being provided with along the outer wall of looping and binding device pipette tips, both pass through same threading hole, and the front end of elastic thread is enclosed on pipette tips fixed sleeving with slip-knot formation rope sling, and is hooked on backward on snap fit；Traction line front end is connected with elastic thread；When elastic thread departs from from snap fit, while pulling draught line and elastic thread, the rope sling of elastic thread and draught line is set to depart from pipette tips；Continue to pull elastic thread, because the threading hole on pipette tips fixed sleeving props up the knot on elastic thread rope sling, in the presence of two opposing forces, reduce the rope sling aperture of elastic thread.The present invention is simple in construction, easy to operate, can be completed in operation by a people and without maloperation, the surface of a wound of postoperative destination organization is minimum, the probability of reduction postoperative complications and bleeding.
Description
Technical field
The present invention relates to medical device technology, and in particular to a kind of elastic thread looping and binding device and the elastic thread looping and binding device are hit by a bullet
The method to set up of the line of force.
Background technology
" hemorrhoid Loop ligature (also known as hemorrhoid plastic loop ligation art, hemorrhoid, which are inhaled, pricks art etc.) " is the common method for treating hemorrhoid, is treated
Effect is definite, and its principle is root (or the base that special cushion rubber (such as rubber ring, latex circle, silica gel ring) set is tied in internal piles
Bottom), hemorrhoid blood supply is blocked using the elastic recovery force of cushion rubber whereby, necrosis, atrophy is allowed to, comes off, so as to reach healing mesh
's.The traditional instruments for being used to implement the difficult to handle art of set in the past are extremely simple and crude, during operating cost, arduously, easily occur complication.To change
This situation, occur in that nearly ten years it is a kind of set art of pricking the hand is become automation apparatus simple and easy to apply, i.e. automatic hemorrhoid set is pricked
Device (also known as repeating type haemorrhoids ligation apparatus, continuous hemorrhoid suction ligation device etc.).Using the apparatus carry out set prick the hand art advantage be：Behaviour
Make easy, quick, accurate；One can complete operation, take only 5~10 minutes；The probability for occurring complication is relatively low；Patient is general
It need not anaesthetize, pain is slight；Most patients also without be in hospital, low in treatment cost.
CN102727275B discloses a kind of haemorrhoids ligation apparatus, and solving existing looping and binding device needs troublesome poeration, and operating time is long,
Flexible rubber ring can not uniformly cover the technical deficiency pricked in the root of hemorrhoid, and the scheme of use is, including：Hemorrhoid set prick part and
Hemorrhoid set pricks control section, and hemorrhoid set, which pricks control section, to be included：Hand-held looping and binding device housing, pumping piston control slide plate, speed change
Tumbler gear, pumping piston control trigger, set prick cushion rubber pushing cylinder control slide plate and set pricks cushion rubber pushing cylinder control trigger.Pumping piston
Trigger is controlled by gear drive control and suck piston, set pricks cushion rubber pushing cylinder control trigger and pricks cushion rubber by gear drive control set
Pushing cylinder realizes that set pricks cushion rubber and hemorrhoid root is covered into bundle.Looping and binding device in the documents is simple in construction, quick and convenient, and set pricks position
Accurately.
CN201230887Y discloses a kind of continuous hemorrhoid suction ligation device, including body, in addition to located at body front end
Body and the multiple cushion rubbers being stretched being placed on successively on body, the vacuum suction for being placed in after body and being communicated with tube cavity connect
Head, the cushion rubber device for ejecting on body, the body front end is cased with the emitting head connected with tube cavity, the cushion rubber set
In on emitting head；The cushion rubber device for ejecting includes at least one draught line and located at intrinsic Winder, the traction
The front end of line is wrapped on Winder, and the tail end of the draught line is through in body and via emitting head mouth of pipe fold back, and edge
Emitting head outer wall is connected with the cushion rubber by haulage gear.
Hemorrhoid suction and ligature device (also known as haemorrhoids ligation apparatus) and current other kinds of hemorrhoid both at home and abroad disclosed in above-mentioned document
Sore looping and binding device, the characteristics of having one jointly, i.e. their many stocks for being tied in hemorrhoid root as set using " cushion rubber "；And
Making the available raw material of the cushion rubber includes natural rubber, latex or silica gel etc..
The clinical efficacy of hemorrhoid plastic loop ligation art and " internal orifice dimension of cushion rubber " and " elastic recovery force of cushion rubber " two technologies
Index is directly related.And pricking material as set by the use of cushion rubber has the shortcomings that some are intrinsic：1. due to natural rubber (or latex,
Silica gel etc.) inherent characteristic, the internal orifice dimension for limiting cushion rubber can not be infinitely small, and 2.0~2.5mm typically can only be made (at least not
1.5mm must be less than), easily it is broken when otherwise set pricks stretching.This means that (is at least not less than in 2.0~2.5mm of diameter
In size range 1.5mm), the hemorrhoidal tissue that quilt cover is pricked will not acted on by any elastic recovery force, final necrosis
The ulcer scope formed after coming off is also in 2.0~2.5mm (at least not less than 1.5mm) left and right；2. when cushion rubber is pacified with extended state
When on looping and binding device, as time went on, easily gradually occur fatigue and internal orifice dimension is become big；3. climate, environment etc. because
Easily with the time aging occurs for element influence, cushion rubber, so that elastic recovery force dies down.
Due to the influence of factors above, it would be possible to cause following consequence：1. it is postoperative that cushion rubber slippage occurs in a short time, cause and control
Treat failure；2. cause postoperative hemorrhage complication (according to statistics, the postoperative Bleeding rate of hemorrhoid plastic loop ligation be 2%~5%)；3. hemorrhoid block
Downright bad incomplete, ulcer surface healing delay affects the treatment.
The problem of material is present is pricked as set for cushion rubber, also has document to disclose the bullet for pricking material using elastic thread as set
Line of force looping and binding device：
CN203988202U discloses a kind of appliance for releasing single line of force looping and binding device, including gun barrel, gun body and draught line, and draught line is worn
Cross gun barrel and its rear end is positioned in gun body, fold back is then stretched out after gun barrel on the outer wall of gun barrel front end in the front end of draught line；Also
Including at least one elastic thread, outer wall of the elastic thread along gun barrel is set, and the front end of elastic thread forms the adjustable ring set set in aperture
In on the outer wall of gun barrel front end, ring set is connected with the front end of draught line；Pull back draught line, draught line band moving ring sleeve is to rifle
The movement of the pipe mouth of pipe at the mouth of pipe until deviate from；Prop up elastic thread front end ring set forward puts forth effort position, while pull elastic force backward
Line tail end, this two power counterextension causes the decreasing pore size of ring set.
Although the appliance for releasing single line of force looping and binding device disclosed in above-mentioned documents pricks material using elastic thread as set, although solution
Determine and pricked a series for the treatment of problems that material strips are come using cushion rubber as set in the past, but there are still following not enough：
1st, the appliance for releasing single line of force looping and binding device disclosed in the documents operation when, it is necessary on the other hand grip looping and binding device, on the other hand
Prop up and put forth effort position, elastic thread is pullled on the other hand reduces ring set internal diameter；Operation technique at least needs two people's completions, operation fiber crops
Tired, operating efficiency is relatively low.
2nd, the appliance for releasing single line of force looping and binding device disclosed in the documents, easily launches two or more, maloperation simultaneously
Rate is higher.
3rd, the appliance for releasing single line of force looping and binding device disclosed in the documents, it is necessary to reset draught line when with changing pipette tips,
Troublesome poeration.
The content of the invention
It is high and errorless that the technical problems to be solved by the invention are to provide a kind of simple in construction, easy to operate, operating efficiency
The method to set up of elastic thread in the appliance for releasing single line of force looping and binding device of operation and the elastic thread looping and binding device.
To solve the technical problem of the present invention, the technical scheme used is as follows：
A kind of elastic thread looping and binding device, including pipette tips and gun body, it is characterised in that
The pipette tips include pipette tips main body, pull bar fixator, pipette tips sleeve pipe, elastic thread pull bar and pipette tips fixed sleeving；
The pipette tips main body is hollow structure, and one end that the pipette tips main body is connected with gun body is provided with fixed block；
The pull bar fixator can be rotatably set in the junction of pipette tips sleeve pipe and pipette tips main body, the one of pull bar fixator
End is provided with that can fix the arc track of elastic thread pull bar, and the other end is against at the fixed block of pipette tips main body；
The pipette tips sleeve pipe is that groove one is provided with the outside of hollow sleeve structure, tube wall, and groove one is used to install elastic thread
Pull bar；
The front end of the elastic thread pull bar is provided with the snap fit for hooking elastic thread, and rear end is provided with fixed fixture block, fixing card
Block is buckled in the arc track of pull bar fixator；
Threading hole is provided with the tube wall of the latter half of pipette tips fixed sleeving, pipette tips fixed sleeving is socketed in pipette tips main body and stretched
Go out the position of pipette tips sleeve pipe, one end that pipette tips fixed sleeving top half is connected with pipette tips main body is provided with and elastic thread pull bar snap fit
The groove three of correspondence size and respective amount；
The elastic thread suit device also includes at least one elastic thread being provided with along the outer wall of looping and binding device pipette tips and every
The corresponding draught line of elastic thread, corresponding elastic thread and draught line pass through same threading hole, one end of the elastic thread
Elastic thread rope sling is formed in the form of slip-knot, is enclosed on towards the direction of pipette tips on pipette tips fixed sleeving, and is pulled to and is hooked on backward
On the snap fit of elastic thread pull bar front end；Also tie up solid in pipette tips with the form formation draught line rope sling of slip-knot in the front end of the draught line
On sleeve pipe, positioned at the right side of corresponding elastic thread rope sling；The rear end of elastic thread and draught line through same threading hole is fixed
In pipette tips rear end；
When elastic thread pull bar releases stationary state, the snap fit of elastic thread pull bar front end submerges recessed on the right side of pipette tips fixed sleeving
In groove three, while pull draught line and elastic thread, elastic thread rope sling and draught line rope sling are to moving outside pipette tips, until departing from rifle
Head；Then proceed to pull elastic thread, because the threading hole on pipette tips fixed sleeving props up the knot on elastic thread rope sling, at two
In the presence of opposing force, reduce the rope sling aperture of elastic thread.
Further, the pipette tips body outer wall is provided with projection, and the tube wall inner side of the pipette tips sleeve pipe is provided with groove two,
Groove two be used for on pipette tips body outer wall it is raised it is corresponding connect, make pipette tips sleeve pipe fixedly sleeved in pipette tips main body.
Further, the pipette tips fixed sleeving rear end lower is provided with the end of a thread geometrical clamp, through the bullet of same threading hole
The rear end of the line of force and draught line is fixed on the end of a thread geometrical clamp；The end of a thread geometrical clamp be provided with fixed card slot, elastic thread and
The rear end of draught line connects a spool or solidus fixture block, and the spool or solidus fixture block are fixed in corresponding fixed card slot.
Further, the pull bar fixator is provided with the mark for being used for identifying elastic thread, the mark position and elastic force
The position correspondence of the fixation fixture block of line pull bar.
Further, the pipette tips are connected the centre of one end with gun body and are provided with what is be connected with the negative pressure line in gun body
Negative tube connection-peg, the connection-peg and the negative tube plug socket that is arranged in gun body realize sealing grafting so that pipette tips with
Negative pressure line is connected.
Further, the pipette tips are removably inserted into the gun body, and the rear end of the pipette tips, which is provided with, has card
The fixture block of hook, the front end of the gun body is provided with hole clipping and thrust piece, and the snap fit of the fixture block is stuck in the hole clipping, described to push
Part is located in a perforate, and the thrust piece is made up of elasticity arm and the pushing block being connected on elasticity arm lower end, the elasticity arm
Upper end be connected to perforate on to provide restoring force for pushing block, the pushing block is corresponding with fixture block, is pushed away into gun body
Pressure pushing block causes pushing block to stir snap fit and then card is departed from hole clipping soon, realizes that pipette tips are detachable and is inserted into gun body.
Further, the gun body is formed by the docking of two half shells, and the front end of two halves gun body symmetrically provided with hole clipping and is pushed away
Casting die, the rear end both sides of the pipette tips are also accordingly provided with the fixture block with snap fit.
Further, the elastic thread is made up of netted braiding layer parcel resilient strip, and both of which is made up of high polymer material,
Netted braiding layer diastole with the stretching of resilient strip.
Resilient strip and draught line can be bundled together by corresponding draught line with the rear end of elastic thread with netted braiding layer.
Further, the rear end of the draught line is located on the driving wheel at gun body rear portion by transmission mechanism connection of transferring,
Switching transmission mechanism is driven to pull back draught line by driving wheel.
The present invention also provides a kind of method to set up of the elastic thread in above-mentioned elastic thread looping and binding device, is specially：
Along the outer wall of looping and binding device pipette tips, at least one elastic thread and a corresponding draught line be set, corresponding elastic thread and
Draught line passes through same threading hole, and one end of the elastic thread forms elastic thread rope sling in the form of slip-knot, towards pipette tips
Direction is enclosed on pipette tips fixed sleeving, and is pulled to and is hooked on the snap fit of elastic thread pull bar front end backward；Before the draught line
End is also tied up on the solid sleeve pipe of pipette tips with the form formation draught line rope sling of slip-knot, positioned at the right side of corresponding elastic thread rope sling；Wear
The rear end of the elastic thread and draught line of crossing same threading hole is fixed；
When elastic thread pull bar releases stationary state, the snap fit of elastic thread pull bar front end submerges recessed on the right side of pipette tips fixed sleeving
In groove three, while pull draught line and elastic thread, elastic thread rope sling and draught line rope sling are to moving outside pipette tips, until departing from rifle
Head；Then proceed to pull elastic thread, because the threading hole on pipette tips fixed sleeving props up the knot on elastic thread rope sling, at two
In the presence of opposing force, reduce the rope sling aperture of elastic thread.
Further, the elastic thread is made up of netted braiding layer parcel resilient strip, and both of which is made up of high polymer material,
Netted braiding layer diastole with the stretching of resilient strip.
The present invention has the advantages that：
1st, after the ring set of elastic force line front end is placed on destination organization, can by take out tight elastic thread and make the aperture of ring set by
Tapered small (approaching in zero), therefore, it is possible to realize that the set more fastened to destination organization is pricked, after destination organization comes off, the surface of a wound
It is minimum, reduce the probability of postoperative complications and bleeding, while it also avoid in background technology on plastic loop ligation it is intrinsic
(such as postoperative cushion rubber in a short time is slipped causes Endodontic failure to other shortcomings；Necrotizing target tissue not exclusively causes wound healing delay etc.).
2nd, pipette tips of the invention are by pipette tips main body, pull bar fixator, pipette tips sleeve pipe, elastic thread pull bar and pipette tips fixed sleeving
Removably fit together and be arranged in gun body with forming an integrally detachable, the replacing of pipette tips can be realized, made
Gun body is repeatedly used, and reduces use cost.
3rd, the present invention is simple in construction, easy to operate, only needs proficiency to grip gun body during operation and supports the knot on elastic thread rope sling
Firmly, another, which is pulled, pulls elastic thread and makes ring set decreasing pore size, and one people of whole operation can just complete, and improve work
Make efficiency.
4th, the rear end of elastic thread of the invention and draught line is arranged in pipette tips, need not be reset and be led when changing pipette tips
Lead, it is easy to operate.
5th, the connection between each part of the invention, is all to be connected by projection and groove, it is impossible to arbitrarily rotate, can improve hair
The accuracy rate penetrated, reduces maloperation, improves the success rate of operation.
6th, in the use of the present invention, the configuration design of operator's handgrip part of gun body more meets ergonomic, operation
Get up more comfortable.
7th, the present invention is simple and convenient, time saving and energy saving, practical, is applicable not only to treat hemorrhoid, can also be deeply internal
Realize the treatment to the prolapse of rectum, rectal polyp or other applicable anorectal diseases.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be attached to what is used required in embodiment
Figure is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for this area
For those of ordinary skill, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the overall structure schematic perspective view of the embodiment of the present invention；
Fig. 2 is the pipette tips structural upright schematic diagram one of the embodiment of the present invention；
Fig. 3 is the pipette tips structural upright schematic diagram two of the embodiment of the present invention；
Fig. 4 is the overall structure floor map of the pipette tips of the embodiment of the present invention；
Fig. 5 is Fig. 4 partial enlarged drawing；
Fig. 6 is the overall structure diagrammatic cross-section of the pipette tips of the embodiment of the present invention；
Fig. 7 is Fig. 6 partial enlarged drawing；
Fig. 8 is the top view of the pull bar fixator of the embodiment of the present invention；
Fig. 9 is the top view of the pipette tips fixed sleeving of the embodiment of the present invention；
Figure 10 is the top view of the pipette tips black box after the assembling of the embodiment of the present invention；
Figure 11 is the assembling schematic diagram of pipette tips each several part of the embodiment of the present invention；
Brief description of the drawings：
Pipette tips main body 1, pull bar fixator 2, pipette tips sleeve pipe 3, elastic thread pull bar 4, pipette tips fixed sleeving 5, negative pressure line 9
Fixed block 11, the end of a thread geometrical clamp 12, fixed card slot 121, fixture block 14, negative tube connection-peg 15；
Arc track 21；Groove 1；Snap fit 41, fixed fixture block 42；Threading hole 51, groove 3 52；Thrust piece 83；Negative pressure
Release-push 91.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, the invention will be further described：
As shown in Fig. 1~10, a kind of elastic thread looping and binding device of the present embodiment, including pipette tips and gun body；
The pipette tips include pipette tips main body 1, pull bar fixator 2, pipette tips sleeve pipe 3, elastic thread pull bar 4 and pipette tips fixed sleeving
5；
Elastic thread pull bar is set to 4 in the present embodiment, and corresponding described elastic thread looping and binding device is provided with four elastic force
Line and corresponding four draught lines；
The pipette tips main body 1 is hollow structure, and one end that the pipette tips main body 1 is connected with gun body is provided with fixed block 11；
The pull bar fixator 2 can be rotatably set in the junction of pipette tips sleeve pipe 3 and pipette tips main body 1, pull bar fixator 2
One end provided with the arc track 21 of elastic thread pull bar can be fixed, the other end is against at the fixed block 11 of pipette tips main body 1；
The pipette tips sleeve pipe 3 is that groove 1 is provided with the outside of hollow sleeve structure, tube wall, and groove 1 is used to install bullet
Line of force pull bar 4；The outer wall of pipette tips main body 1 is provided with projection, and the tube wall inner side of the pipette tips sleeve pipe 3 is provided with groove 2 33, recessed
Groove 2 33 be used for on the outer wall of pipette tips main body 1 it is raised it is corresponding connect, make pipette tips sleeve pipe 3 fixedly sleeved in pipette tips main body 1；
The rear end lower of pipette tips fixed sleeving 3 is provided with the end of a thread geometrical clamp 12, through the elastic thread of same threading hole 51
It is fixed on the rear end of draught line on the end of a thread geometrical clamp；The end of a thread geometrical clamp is provided with annular fixed card slot 121, elastic thread
A spool or solidus fixture block are connected with the rear end of draught line, the spool or solidus fixture block are fixed on corresponding fixed card slot 121
It is interior.
The front end of the elastic thread pull bar 4 is provided with the snap fit 41 for hooking elastic thread, and rear end is provided with fixed fixture block 42, Gu
Determine fixture block 42 to be buckled in the arc track 21 of pull bar fixator 2；
Threading hole 51 is provided with the tube wall of the latter half of pipette tips fixed sleeving 5, pipette tips fixed sleeving 5 is socketed in pipette tips master
Body 1 stretches out the position of pipette tips sleeve pipe 3, and the top half of pipette tips fixed sleeving 5 is provided with and elastic thread with one end that pipette tips main body 1 is connected
The correspondence size of snap fit 41 and the groove 3 52 of respective amount of pull bar 4.
The pipette tips are removably inserted into the gun body, and the rear end of the pipette tips is provided with the fixture block with snap fit
14, the front end of the gun body is provided with hole clipping and thrust piece, and the snap fit of the fixture block 14 is stuck in the hole clipping, the thrust piece 83
In a perforate, the thrust piece 83 is made up of elasticity arm and the pushing block being connected on elasticity arm lower end, the elasticity arm
Upper end be connected to perforate on to provide restoring force for pushing block, the pushing block is corresponding with fixture block, is pushed away into gun body
Pressure pushing block causes pushing block to stir snap fit and then card is departed from hole clipping soon, realizes that pipette tips are detachable and is inserted into gun body.
The gun body is formed by the docking of two half shells, and the front end of two halves gun body is symmetrically provided with hole clipping and thrust piece 83, institute
The rear end both sides for stating pipette tips are also accordingly provided with the fixture block 14 with snap fit.
The elastic thread is made up of netted braiding layer parcel resilient strip, and both of which is made up of high polymer material, described netted
Braiding layer diastole with the stretching of resilient strip.This special double-decker of elastic thread makes it not only have good elasticity, and
And powerful axial tension can be born without fracture, when the elastic thread ring set in extended state is placed on destination organization
Can also further it be taken out tightly and reduced bore；In addition elastic thread is not easy to aging and fatigue, and service life is long, can improve set and prick effect
Really.
The pull bar fixator 2 is provided with the mark for being used for identifying elastic thread, the mark position and elastic thread pull bar 4
The position correspondence of fixed fixture block.
As shown in figure 9, four threading holes 51 in the present embodiment are arranged on the latter half of pipette tips fixed sleeving 5, it is fixed
The top half of sleeve pipe 5 is provided with four grooves 3 52,
As shown in figure 11, when all parts of pipette tips are installed, (pipette tips are towards left, gun body on the right side) one of which mounting means
For：Pull bar fixator 2 is passed through from the hollow round hole in the left side of pipette tips main body 1, is finally arranged at fixed block 11, pipette tips sleeve pipe 3
Equally passed through from the left side of pipette tips main body 1, being fixedly connected between pipette tips main body 1 and pipette tips sleeve pipe 3 by projection with groove makes rifle
Head casing tube 3 can not be rotated, and elastic thread pull bar 4 is inserted from the exterior groove of pipette tips sleeve pipe 3, and rotating rod fixator 2 makes all bullets
The fixing card on the right side of line of force pull bar 4 is all blocked by 2, and last pipette tips fixed sleeving 5 stretches out the portion of pipette tips sleeve pipe 3 from pipette tips main body 1
Install position.
The method to set up of elastic thread in the present embodiment, be specially：
The corresponding draught line of at least one elastic thread and every elastic thread being provided with along the outer wall of looping and binding device pipette tips,
Corresponding elastic thread and draught line pass through same threading hole 51, and one end of the elastic thread forms elastic thread in the form of slip-knot
Rope sling, is enclosed on pipette tips fixed sleeving 5 towards the direction of pipette tips, and is pulled to the snap fit for being hooked on the front end of elastic thread pull bar 4 backward
On 41；The front end of the draught line is also tied up on the solid sleeve pipe 5 of pipette tips with the form formation draught line rope sling of slip-knot, positioned at corresponding
The right side of elastic thread rope sling；The rear end of elastic thread and draught line through same threading hole connects a spool or solidus fixture block,
The spool or solidus fixture block are fixed in the corresponding annular fixed card slot 121 of the end of a thread geometrical clamp 12.
During operation, rotating rod fixator 2 makes elastic thread pull bar 4 release stationary state, the card of the front end of elastic thread pull bar 4
41 are hooked to submerge in the groove 3 52 of pipette tips fixed sleeving 5, while draught line and elastic thread are pulled, elastic thread rope sling and traction cotton rope
Cover and moved to the outside of pipette tips, until departing from pipette tips；Then proceed to pull elastic thread, due to the threading hole on pipette tips fixed sleeving 5
51 prop up the knot on elastic thread rope sling, in the presence of two opposing forces, reduce the rope sling aperture of elastic thread.
The connection of negative pressure line is as follows in the present embodiment：
The pipette tips are connected the centre of one end with gun body and inserted provided with the negative tube being connected with the negative pressure line 9 in gun body
Joint 15, the negative tube connection-peg 15 and the negative tube plug socket being arranged in gun body realize sealing grafting, so that pipette tips
Connected with negative pressure line 9.Negative pressure line 9 is provided with negative pressure relief holes and negative pressure release-push 91, negative pressure release-push 91 and set
There is the plugging block for blocking negative pressure relief holes, the end of negative pressure line is provided with the negative pressure joint being connected with negative-pressure ward system.
When the negative-pressure ward system that negative pressure joint is connected is opened, while it is the clogging negative pressure of plugging block that negative pressure release-push, which is closed mode,
During release aperture, the inner chamber of whole negative pressure line, pipette tips can be made to produce enough negative pressure, so that the port of pipette tips fixed sleeving 5 can
Hold destination organization；After the completion of set pricks operation, opening negative pressure release-push 91 makes plugging block leave in negative pressure relief holes, elimination
The negative pressure in pipeline is stated, to discharge the destination organization held.
So that the present embodiment is used as the medical apparatus of set bundle hemorrhoidal tissue as an example, the course of work that it is used is as follows：First will be negative
Crimp head connects negative-pressure ward system, and closes negative pressure release-push 91；The handle of looping and binding device gun body is held with a hand, by pipette tips
The port alignment hemorrhoidal tissue (or other destination organizations) of fixed sleeving 5；Negative-pressure ward system is opened, hemorrhoidal tissue is just inhaled into
In fixed sleeving 5.Now, rotating rod fixator 2, makes elastic thread pull bar 4 release stationary state, the front end of elastic thread pull bar 4
Snap fit 41 is submerged in the groove 3 52 of pipette tips fixed sleeving 5, while pulling draught line and elastic thread, elastic thread rope sling and draught line
Rope sling is to moving outside pipette tips, until departing from pipette tips；At the same time hemorrhoidal tissue is entangled；Negative pressure release-push is opened, is eliminated
Negative pressure and the hemorrhoidal tissue for discharging quilt cover bundle；Then proceed to pull elastic thread, because the threading hole 51 on pipette tips fixed sleeving 5 will
Knot on elastic thread rope sling is propped up, in the presence of two opposing forces, reduces the rope sling aperture of elastic thread, so that by hemorrhoid group
Knit and further tighten, just complete once set and prick operation.The set for carrying out next position with method is pricked, by that analogy, the present embodiment
A pipette tips can be carried out continuously 4 times set prick operation.
The elastic thread looping and binding device of the present embodiment is pricked due to the adapter sleeve realized to hemorrhoidal tissue, therefore after hemorrhoid come off,
The surface of a wound is minimum, reduces the probability that complication and bleeding occur after hemorrhoid Loop ligature, is deposited while it also avoid the past plastic loop ligation
Other shortcomings.
The pipette tips of the present embodiment are by pipette tips main body, pull bar fixator, pipette tips sleeve pipe, elastic thread pull bar and pipette tips fixed sleeving
Removably fit together and be arranged in gun body with forming an integrally detachable, the replacing of pipette tips can be realized, made
Gun body is repeatedly used, and reduces use cost.
The present embodiment is simple in construction, easy to operate, only needs proficiency to grip gun body during operation and supports the knot on elastic thread rope sling
Firmly, another, which is pulled, pulls elastic thread and makes ring set decreasing pore size, and one people of whole operation can just complete, and improve work
Make efficiency.
The elastic thread of the present embodiment and the rear end of draught line are arranged in pipette tips, need not be reset and be led when changing pipette tips
Lead, it is easy to operate.
Connection between each part of the present embodiment, is all to be connected by projection and groove, it is impossible to arbitrarily rotate, can improve hair
The accuracy rate penetrated, reduces maloperation, improves the success rate of operation.
Above-described embodiment is that the present invention is further illustrated, rather than limitation the scope of the present invention.The present invention is not departed from
Whole technical scope, various modifications and changes can be carried out.
Claims (10)
1. a kind of elastic thread looping and binding device, including pipette tips and gun body, it is characterised in that
The pipette tips include pipette tips main body, pull bar fixator, pipette tips sleeve pipe, elastic thread pull bar and pipette tips fixed sleeving；
The pipette tips main body is hollow structure, and one end that the pipette tips main body is connected with gun body is provided with fixed block；
The pull bar fixator can be rotatably set in the junction of pipette tips sleeve pipe and pipette tips main body, and one end of pull bar fixator is set
There is the arc track that can fix elastic thread pull bar, the other end is against at the fixed block of pipette tips main body；
The pipette tips sleeve pipe is that groove one is provided with the outside of hollow sleeve structure, tube wall, and groove one is used to install elastic thread pull bar；
The front end of the elastic thread pull bar is provided with the snap fit for hooking elastic thread, and rear end is provided with fixed fixture block, fixed fixture block card
In the arc track for being buckled in pull bar fixator；
Threading hole is provided with the tube wall of the latter half of pipette tips fixed sleeving, pipette tips fixed sleeving is socketed in pipette tips main body and stretches out rifle
The position of head casing tube, pipette tips fixed sleeving top half is provided with corresponding with elastic thread pull bar snap fit with one end that pipette tips main body is connected
The groove three of size and respective amount；
The elastic thread looping and binding device also includes at least one elastic thread and every elastic force being provided with along the outer wall of looping and binding device pipette tips
The corresponding draught line of line, corresponding elastic thread and draught line pass through same threading hole, and one end of the elastic thread is with work
The form formation elastic thread rope sling of knot, is enclosed on pipette tips fixed sleeving, and be pulled to backward and be hooked on elastic force towards the direction of pipette tips
On the snap fit of line pull bar front end；Also tied up with the form formation draught line rope sling of slip-knot in pipette tips fixed cover the front end of the draught line
Guan Shang, positioned at the right side of corresponding elastic thread rope sling；The rear end of elastic thread and draught line through same threading hole is fixed；
When elastic thread pull bar releases stationary state, the groove three that the snap fit of elastic thread pull bar front end is submerged on the right side of pipette tips fixed sleeving
In, while pull draught line and elastic thread, elastic thread rope sling and draught line rope sling are to moving outside pipette tips, until departing from pipette tips；
Then proceed to pull elastic thread, because the threading hole on pipette tips fixed sleeving props up the knot on elastic thread rope sling, in two phases
In the presence of counter-force, reduce the rope sling aperture of elastic thread.
2. elastic thread looping and binding device according to claim 1, it is characterised in that
The pipette tips body outer wall is provided with groove two provided with projection on the inside of the tube wall of the pipette tips sleeve pipe, groove two be used for
Projection correspondence connection on pipette tips body outer wall, makes pipette tips sleeve pipe fixedly sleeved in pipette tips main body.
3. the elastic thread looping and binding device stated according to claim 1 or 2, it is characterised in that
The pipette tips fixed sleeving rear end lower is provided with the end of a thread geometrical clamp, through the elastic thread and draught line of same threading hole
Rear end is fixed on the end of a thread geometrical clamp；The end of a thread geometrical clamp is provided with the rear end company of fixed card slot, elastic thread and draught line
A spool or solidus fixture block are connect, the spool or solidus fixture block are fixed in corresponding fixed card slot.
4. elastic thread looping and binding device according to claim 1 or 2, it is characterised in that
The pull bar fixator is provided with the mark for being used for identifying elastic thread, the mark position and the fixing card of elastic thread pull bar
The position correspondence of block.
5. elastic thread looping and binding device according to claim 1 or 2, it is characterised in that
The pipette tips are connected the centre of one end with gun body and are provided with the negative tube connection-peg being connected with the negative pressure line in gun body,
The connection-peg and the negative tube plug socket being arranged in gun body realize sealing grafting, so that pipette tips are connected with negative pressure line.
6. elastic thread looping and binding device according to claim 1 or 2, it is characterised in that
The pipette tips are removably inserted into the gun body, and the rear end of the pipette tips is provided with the fixture block with snap fit, described
The front end of gun body is provided with hole clipping and thrust piece, and the snap fit of the fixture block is stuck in the hole clipping, and the thrust piece is opened positioned at one
Kong Zhong, the thrust piece is made up of elasticity arm and the pushing block being connected on elasticity arm lower end, and the upper end of the elasticity arm is connected to
On to provide restoring force for pushing block in perforate, the pushing block is corresponding with fixture block, and pushing block is pushed into gun body and to push away
Block stirs the snap fit of fixture block and then fixture block is departed from hole clipping, realizes that pipette tips are detachable and is inserted into gun body.
7. elastic thread looping and binding device according to claim 6, it is characterised in that
The gun body is formed by the docking of two half shells, and the front end of two halves gun body is symmetrically provided with hole clipping and thrust piece, the pipette tips
Rear end both sides also accordingly be provided with snap fit fixture block.
8. the elastic thread looping and binding device according to claim 1-2 or 7 any one, it is characterised in that
The elastic thread is made up of netted braiding layer parcel resilient strip, and both of which is made up of high polymer material, the netted braiding
Layer diastole with the stretching of resilient strip.
9. a kind of method to set up of the elastic thread in elastic thread looping and binding device described in claim 1, it is characterised in that
Along the outer wall of looping and binding device pipette tips, at least one elastic thread and a corresponding draught line, corresponding elastic thread and traction are set
Line passes through same threading hole, and one end of the elastic thread forms elastic thread rope sling in the form of slip-knot, towards the direction of pipette tips
It is enclosed on pipette tips fixed sleeving, and is pulled to and is hooked on the snap fit of elastic thread pull bar front end backward；The front end of the draught line
Tied up with the form formation draught line rope sling of slip-knot on the solid sleeve pipe of pipette tips, positioned at the right side of corresponding elastic thread rope sling；Through same
The elastic thread of one threading hole and the rear end of draught line are fixed；
When elastic thread pull bar releases stationary state, the groove three that the snap fit of elastic thread pull bar front end is submerged on the right side of pipette tips fixed sleeving
In, while pull draught line and elastic thread, elastic thread rope sling and draught line rope sling are to moving outside pipette tips, until departing from pipette tips；
Then proceed to pull elastic thread, because the threading hole on pipette tips fixed sleeving props up the knot on elastic thread rope sling, in two phases
In the presence of counter-force, reduce the rope sling aperture of elastic thread.
10. the method to set up of elastic thread according to claim 9, it is characterised in that
The elastic thread is made up of netted braiding layer parcel resilient strip, and both of which is made up of high polymer material, the netted braiding
Layer diastole with the stretching of resilient strip.
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| CN201510713422.8A CN105232107B (en) | 2015-10-28 | 2015-10-28 | The method to set up of elastic thread looping and binding device and elastic thread |
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| CN201510713422.8A CN105232107B (en) | 2015-10-28 | 2015-10-28 | The method to set up of elastic thread looping and binding device and elastic thread |
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| CN105232107B true CN105232107B (en) | 2017-10-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| EP3797718A4 (en) * | 2019-02-14 | 2022-03-09 | Henan Tuoren Medical Technology Co., Ltd. | Reusable anorectal ligation device |
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| EP3476314B1 (en) * | 2016-06-28 | 2023-07-26 | Wellcare (WUHAN) Medical Technology Co., Ltd. | Self-tightening elastic line ligator |
| CN105997180B (en) * | 2016-06-28 | 2017-04-12 | 张慧 | Automatic tensioning elastic thread arranging method of loop ligature device and self-tightening elastic thread loop ligature device |
| CN106175883B (en) * | 2016-08-11 | 2019-01-29 | 湖南灵康医疗科技有限公司 | The setting method of elastic thread and elastic thread looping and binding device in ejecting type looping and binding device |
| CN108836416A (en) * | 2018-05-31 | 2018-11-20 | 广州辰庚医药科技发展有限公司 | Repeating type elastic thread hemorrhoid set pricks stapler |
| CN109223115B (en) * | 2018-10-26 | 2023-08-08 | 湖南灵康医疗科技有限公司 | Elastic thread ligation device |
| CN110384540B (en) * | 2019-07-19 | 2024-05-17 | 湖南灵康医疗科技有限公司 | Multifunctional elastic thread ligation device |
| RU200754U1 (en) * | 2020-07-07 | 2020-11-11 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Самарский государственный медицинский университет" Министерства здравоохранения Российской Федерации | DEVICE FOR TENSIONING LIGATURE |
| CN113288305B (en) * | 2021-05-27 | 2022-05-27 | 苏州贝诺医疗器械有限公司 | Intestinal polyp ligation device with bendable top end |
| CN115153677A (en) * | 2022-06-23 | 2022-10-11 | 上海傲流医疗科技有限公司 | Internal driving pull rope separation structure and filler conveyor |
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| CN105232107A (en) | 2016-01-13 |
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Denomination of invention: Elastic line tying device and method of setting elastic line Effective date of registration: 20231123 Granted publication date: 20171027 Pledgee: Bank of Changsha Limited by Share Ltd. science and Technology Branch Pledgor: HUNAN LINGKANG MEDICAL TECHNOLOGY Co.,Ltd. Registration number: Y2023980067259 |