CN109124717A - A kind of elastic thread looping and binding device and elastic thread setting method with cutting facility - Google Patents
A kind of elastic thread looping and binding device and elastic thread setting method with cutting facility Download PDFInfo
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- CN109124717A CN109124717A CN201811080037.4A CN201811080037A CN109124717A CN 109124717 A CN109124717 A CN 109124717A CN 201811080037 A CN201811080037 A CN 201811080037A CN 109124717 A CN109124717 A CN 109124717A
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- elastic thread
- pipette tips
- aperture
- gun body
- threading hole
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 230000005540 biological transmission Effects 0.000 claims description 29
- 230000003447 ipsilateral effect Effects 0.000 claims description 5
- 238000009966 trimming Methods 0.000 abstract description 8
- 229920001971 elastomer Polymers 0.000 description 19
- 239000005060 rubber Substances 0.000 description 19
- 208000014617 hemorrhoid Diseases 0.000 description 17
- 230000003247 decreasing effect Effects 0.000 description 6
- 239000011148 porous material Substances 0.000 description 6
- 241000692569 Stylephorus chordatus Species 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 206010051077 Post procedural haemorrhage Diseases 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 229920000126 latex Polymers 0.000 description 3
- 239000004816 latex Substances 0.000 description 3
- 230000008520 organization Effects 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 244000043261 Hevea brasiliensis Species 0.000 description 2
- 208000025865 Ulcer Diseases 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000035876 healing Effects 0.000 description 2
- 239000000463 material Substances 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
- 230000002980 postoperative effect Effects 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 231100000397 ulcer Toxicity 0.000 description 2
- 206010003694 Atrophy Diseases 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 208000035965 Postoperative Complications Diseases 0.000 description 1
- 208000037486 Postoperative Hemorrhage Diseases 0.000 description 1
- 206010066901 Treatment failure Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000037444 atrophy Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 230000036770 blood supply Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000011982 device technology Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002956 necrotizing effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12009—Implements for ligaturing other than by clamps or clips, e.g. using a loop with a slip knot
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—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 setting method of elastic thread looping and binding device and elastic thread with cutting facility, a kind of elastic thread looping and binding device with cutting facility are as follows: including pipette tips, gun body, negative tube and at least one elastic thread, at least one threading hole is offered in pipette tips tube wall, threading hole includes the first aperture and the second aperture, and negative tube passes through gun body and extends to pipette tips after being connected with negative pressure device；Gun body is equipped at least one power-driven gear；Elastic thread forms the outer wall that elastic thread rope sling is set in pipette tips in the form of slip-knot, and elastic thread is penetrated by the first aperture, passes through threading hole, is then pierced by from the second aperture and is connected with power-driven gear；Pipette tips two sides are respectively equipped with blade, and gun body is equipped with push-and-pull actuator, and the output end of plug-type actuator is equipped with catch bar, and catch bar extends to the second aperture and withstands elastic thread.It is thorough with trimming, it is easy to operate the features such as, the present invention be applied to medical instruments field.
Description
Technical field
The present invention relates to medical device technologies, and in particular to a kind of elastic thread looping and binding device and elastic thread with cutting facility
Setting method.
Background technique
" 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 principle is root (or the base that special cushion rubber (such as rubber ring, latex circle, silica gel ring etc.) set is tied in internal piles
Bottom), take this to block hemorrhoid blood supply using the elastic recovery force of cushion rubber, is allowed to necrosis, atrophy, falls off, to reach healing mesh
's.It is previously extremely simple and crude for implementing the traditional instruments of the difficult to handle art of set, when operating cost, arduously, it is easy to happen complication.To change
This situation, occur nearly ten years it is a kind of make to cover the automation instrument that difficult to handle art becomes simple and easy, i.e. automatic hemorrhoid set is pricked
Device (also known as repeating type haemorrhoids ligation apparatus, continuous hemorrhoid suction ligation device etc.).Carrying out the advantages of covering difficult to handle art using the instrument is: behaviour
It is easy, quick, accurate to make；One achievable operation, it is only 5~10 minutes time-consuming；The probability that complication occurs is lower；Patient is general
It does not need to anaesthetize, pain is slight；Most patients do not need to be hospitalized yet, low in treatment cost.
Chinese granted patent (ZL200820051521.X) discloses a kind of continuous hemorrhoid suction ligation device, including ontology, also
Including be set to ontology front end tube body and successively be placed on tube body multiple cushion rubbers being stretched, be placed in after tube body and in tube body
The vacuum suction connector that chamber communicates, the cushion rubber device for ejecting on ontology, the tube body front end is cased with to be connected to tube cavity
Emitting head, the cushion rubber is placed on emitting head；The cushion rubber device for ejecting includes at least one draught line and is set in ontology
Bobbin winder device, the front end of the draught line is wrapped on bobbin winder device, the tail end of the draught line pass through in tube body and via
Emitting head nozzle fold back, and be connected with the cushion rubber by traction mechanism along emitting head outer wall.
Above-mentioned hemorrhoid suction and ligature device (also known as haemorrhoids ligation apparatus) and both at home and abroad other kinds of haemorrhoids ligation apparatus, there is one
Common feature, i.e., they be all made of " cushion rubber " as set and be tied in the basic material of hemorrhoid root；And it makes the cushion rubber and can be selected
Raw material include 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 using cushion rubber as set prick material have the shortcomings that it is some intrinsic: 1. due to natural rubber (or latex,
Silica gel etc.) inherent characteristic, the internal orifice dimension for limiting cushion rubber cannot be infinitely small, and 2.0~2.5mm generally can only be made (at least not
Obtain and be less than 1.5mm), otherwise set is pricked easily is broken when 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 is by the effect not by any elastic recovery force, final tissue necrosis
The ulcer range formed after falling off is also in 2.0~2.5mm (being at least not less than 1.5mm) left and right；2. when cushion rubber is pacified with tensional state
When on looping and binding device, as time went on, it is easy that gradually fatigue occurs and internal orifice dimension is made to become larger；3. climate, environment etc. because
Element influences, and cushion rubber is easy that aging occurs at any time, so that elastic recovery force be made to die down.
Due to the influence of factors above, it would be possible to lead to following consequence: 1. the postoperative cushion rubber that occurs in a short time slips, and causes to control
Treat failure；2. causing postoperative hemorrhage complication (according to statistics, the postoperative Bleeding rate of hemorrhoid plastic loop ligation is 2%~5%)；3. hemorrhoid block
Downright bad incomplete, ulcer surface healing delay affects the treatment.
The patent document of Publication No. " CN201420390920.4 " discloses " appliance for releasing single line of force looping and binding device ", including rifle
Pipe, gun body and draught line, the draught line passes through gun barrel and its rear end is located in gun body, and gun barrel is then stretched out in the front end of draught line
Fold back is on the outer wall of gun barrel front end afterwards；It is characterized by also including at least one elastic thread, the elastic thread is along gun barrel
Outer wall setting, the front end of elastic thread form the adjustable ring set in aperture and are placed on the outer wall of gun barrel front end, the ring set and draught line
Front end be connected；Traction line back end is pulled back, draught line band moving ring sleeve is mobile to gun barrel nozzle until deviating from nozzle；
Resist elastic thread front end ring set forward puts forth effort position, while pull elastic thread tail end backward, this two power counterextension makes ring
The decreasing pore size of set.
The patent document of Publication No. " CN201510929952.6 " discloses a kind of " the setting side of elastic thread in looping and binding device
Method and elastic thread looping and binding device ", including pipette tips, gun body and at least one elastic thread, pipette tips and gun body detachable connection, the rifle
Head is hollow tubular structure, and at least one threading hole is offered on the tube wall of pipette tips front end, and the threading hole includes threading
The nozzle of pipette tips front end is arranged in the aperture one of hole front end and the aperture two of threading hole rear end, the aperture one, and aperture two is arranged
On the tube wall of pipette tips front end；The elastic thread is arranged along the outer wall of pipette tips, and the front end of the elastic thread is penetrated from aperture two,
It across threading hole, is then pierced by from aperture one, forms elastic thread rope sling in the form of slip-knot, rope sling is reversely covered in pipette tips front end
On outer wall；The bore dia of the threading hole is greater than elastic force linear diameter and is less than slip-knot diameter, resists affected part with pipette tips with realization, together
It, can be with aperture one when Shi Xianghou tightening elastic thread tail end is tightened to the node of rope sling abjection pipette tips nozzle and slip-knot at aperture one
For impetus, continue to tighten elastic thread so that elastic thread rope sling decreasing pore size；The corresponding multiple holes of more elastic threads
Mouth two is inclined to be arranged.
The open file of Publication No. " CN201610488738.6 " discloses " the automatic tightening elastic thread setting of looping and binding device
Method and self-tightening type elastic thread looping and binding device ", and a kind of self-tightening type elastic thread looping and binding device, including gun body and gun barrel are specifically disclosed,
The gun barrel includes interior gun barrel and outer gun barrel, further include at least one elastic thread, outer gun barrel of the elastic thread along looping and binding device
Outer wall setting, the front end of the elastic thread form the adjustable ring set in aperture and are placed on the outer wall of interior gun barrel front end, the elastic thread
Tail end and the bracing wire automated attachment of looping and binding device connect, the other end of the bracing wire automated attachment by an adjustable spring with
The connection of one Self-tightened spanner, when pull elastic thread tail end, Self-tightened spanner unclamps the abutting to adjustable spring, and bracing wire automated attachment exists
Elastic thread is tensed backward under the drive of adjustable spring restoring force, so that the ring set aperture of elastic force line front end reduces rapidly.
Above-mentioned open file is all to adopt manually trimming after elastic thread take-up, the mode of such trimming
Very long one section is often stayed in patient body, trimming is extremely not thorough, and operates extremely inconvenience.
Summary of the invention
The main object of the present invention is to provide a kind of elastic thread looping and binding device and elastic thread setting method with cutting facility,
Trimming is thorough, easy to operate.
To achieve the above object, the invention proposes a kind of elastic thread looping and binding device with cutting facility, including pipette tips, rifle
Body, negative tube and at least one elastic thread, the pipette tips are hollow tubular structure, offer at least one in the pipette tips tube wall
Threading hole, the threading hole include the second aperture that the first aperture and threading hole rear end of threading hole front end is arranged in, and described
One aperture is arranged in pipette tips front end nozzle end, and second aperture is arranged on the tube wall of pipette tips, the negative tube and negative pressure
Device passes through gun body and extends to pipette tips after being connected；The gun body is equipped at least one power-driven gear；
The elastic thread forms the outer wall that elastic thread rope sling is set in pipette tips in the form of slip-knot, and the elastic thread is by first
Aperture penetrates, and passes through threading hole, is then pierced by from the second aperture and is connected with power-driven gear；
The bore dia of the threading hole is greater than the diameter of elastic thread and the diameter less than slip-knot, every elastic thread respectively correspond
One threading hole；
The pipette tips two sides are respectively equipped with blade, and the blade is between the first aperture and the second aperture and blade
Blade is arranged close to the second aperture；
The gun body is equipped with push-and-pull actuator, and the output end of the plug-type actuator is equipped with catch bar, the promotion
Bar extends to the second aperture and withstands elastic thread, and every elastic thread respectively corresponds a catch bar.
Further improved, the push-and-pull actuator is push-pull electromagnet, and every elastic thread respectively corresponds a push-and-pull
Formula electromagnet, catch bar push-pull electromagnet transmission corresponding with the same side are connected；Each push-pull electromagnet is right respectively
An electro-magnet switch is answered, the electro-magnet switch and power supply are electrical connected.
Further improved, the power supply is located in gun body.
Further improved, the two sides of the gun body and pipette tips are equipped at least two elastic threads, ipsilateral and adjacent promotion
Connecting rod is equipped between bar, the connecting rod is plugged in pipette tips side.The connecting rod is arranged perpendicular to pipette tips side, per adjacent
At least two connecting rods are equipped between two catch bars, the connecting rod between adjacent two catch bar is transversely arranged and in same straight line
On.
The pipette tips two sides are respectively equipped with cover board, and the cover board is equipped with connecting hole corresponding with connecting rod, the lid
Plate is connected in pipette tips by connecting rod, and the pipette tips and cover board form the structure that a circumferential surface is smooth surface, the cover board
Cover the elastic thread of blade, the second aperture, catch bar front end and pipette tips two sides.
Further improved, the two sides of the gun body and pipette tips are equipped at least one elastic thread；
The power-driven gear includes twin shaft stepper motor, and the twin shaft stepper motor is fixed in gun body, and in rifle
Output end is exposed in the two sides of body, and two output ends of the twin shaft stepper motor are respectively equipped with ratchet, and the gear teeth direction of two ratchets is
It is oppositely arranged, it is arranged with corresponding transmission flywheel on each ratchet, the elastic thread of the two sides of gun body and pipette tips is respectively wound around two
On the transmission flywheel of side, the corresponding twin shaft stepper motor of two not ipsilateral elastic threads.
It is further improved, the transmission flywheel be middle part hollow structure, the transmission flywheel inner edge equipped with it is several with it is right
The driving cog of the gear teeth meshing of ratchet is answered, the circumferential surface along transmission flywheel is equipped with groove, and the elastic thread is wrapped in biography by groove
On dynamic flywheel.
Further improved, the gun body two sides are inserted with several drive rods upward or vertically respectively, are used for same elastic force
The drive rod of line is arranged in parallel with corresponding threading hole, and the drive rod for being located at rear end in the drive rod of same elastic thread is located at
Above corresponding transmission flywheel.
Further improved, the gun body is equipped with motor switch and the control mould for converting the current to pulse signal
Block, the control module are electrical connected with motor switch, power supply and twin shaft stepper motor respectively.
Further improved, the catch bar front end is tubular structure, and the catch bar is arranged in parallel with threading hole, described
Elastic thread is connected after sequentially passing through the second aperture, catch bar with power-driven gear.
Further improved, the gun body is equipped with motor switch, power supply and for converting the current to pulse signal
Control module, the control module are electrical connected with motor switch, power supply and twin shaft stepper motor respectively.
The invention also provides a kind of elastic thread setting method of above-mentioned elastic thread looping and binding device with cutting facility,
Technical solution is as follows:
A kind of elastic thread setting method of the above-mentioned elastic thread looping and binding device with cutting facility, the outer wall along pipette tips are arranged
At least one elastic thread, and at least one threading hole is set in pipette tips tube wall, every elastic thread forms bullet in the form of loose joint
Line of force rope sling is set in the outer wall of pipette tips, penetrates from the first aperture for corresponding to threading hole on pipette tips tube wall is arranged in, from the second hole
Mouth is connected after being pierced by with power-driven gear, and the catch bar is withstood after being connected with plug-type actuator to be pierced by from the second aperture
Elastic thread, the diameter of the threading hole are greater than the diameter of elastic thread and are less than the diameter of loose joint.
Compared with prior art, technical solution of the present invention the utility model has the advantages that
1, after in the present invention, completing take-up, catch bar is pushed by push-and-pull actuator, makes to be pierced by from the second aperture
Elastic thread withstand on blade, to cut elastic thread, trimming is extremely thorough, easy to operate.And above-mentioned open file is all
Using manual trimming, there is no the related settings such as cutting facility.
2, the device of take-up in the present invention, is also set up, above-mentioned open file is all using manual take-up or machine
Tool formula take-up, such as adjustable spring.And using power-driven gear driving tightening elastic thread in the application, relative in above-mentioned
Take-up mode take-up is more steady, and operation is more convenient, and a people can complete take-up and trimming simultaneously.
3, power-driven gear is specially a kind of twin shaft stepper motor in the present invention, and a twin shaft stepper motor can control
The space structure inside gun body has been saved in the take-up of two elastic threads, so that gun body is more exquisite, it is beautiful；System is reduced simultaneously
This is caused, is operated more convenient.
4, the configuration of the present invention is simple, it is easy to operate, since threading hole, the threading hole being arranged in the front end outer wall of pipette tips
Bore dia be greater than elastic force linear diameter and be less than slip-knot node diameter, affected part can resisted with pipette tips, while tightening elastic force backward
It is impetus with aperture one when line tail end is tightened to the node of slip-knot at aperture one, continues to tighten elastic thread so that elastic thread
Rope sling decreasing pore size；Therefore, compared to technical solution disclosed in documents CN203988202U, the bullet in the present invention is used
When line of force looping and binding device is performed the operation, only need to hold gun body on the other hand with aperture one to be that impetus resists the knot on elastic thread rope sling, it is another
It only pulls and pulls elastic thread and make ring set decreasing pore size, one people of whole operation can complete, improve work efficiency.
5, in the present invention, after the rope sling of elastic force line front end is placed on destination organization, can make to restrict by tightening elastic thread
The decreasing pore size (being close in zero) of set, therefore can be realized and the set that destination organization more fastens is pricked, work as destination organization
After falling off, the surface of a wound is minimum, reduces the probability of postoperative complications and bleeding, while also avoiding in background technique about cushion rubber set
Pricking intrinsic other shortcomings, (such as postoperative cushion rubber in a short time, which slips, causes treatment failure；Necrotizing target tissue not exclusively causes the surface of a wound to be cured
Close delay etc.).
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is perspective view of the explosion of the present invention；
Fig. 2 is that the present invention opens structural schematic diagram after gun body；
Fig. 3 is schematic structural view of the invention；
Fig. 4 is present invention transmission flywheel and ratchet connection schematic diagram；
Fig. 5 is cross section view at pipette tips of the present invention；
Fig. 6 is perspective view at pipette tips of the present invention (being free of cover board)；
Fig. 7 is perspective view at pipette tips of the present invention (containing cover board).
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used in the embodiment of the present invention
In explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, if should
When particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, and should not be understood as
Its relative importance of indication or suggestion or the quantity for implicitly indicating indicated technical characteristic.Define as a result, " first ",
The feature of " second " can explicitly or implicitly include at least one of the features.In the description of the present invention, " multiple " contain
Justice be it is at least two, such as three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " connection ", " fixation " etc. shall be understood in a broad sense,
For example, " fixation " may be a fixed connection, it may be a detachable connection, or integral；It can be mechanical connection, be also possible to
Electrical connection；It can be directly connected, the connection inside two elements or two can also be can be indirectly connected through an intermediary
The interaction relationship of a element, unless otherwise restricted clearly.It for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
It in addition, the technical solution between each embodiment of the present invention can be combined with each other, but must be general with this field
Based on logical technical staff can be realized, it will be understood that when the combination of technical solution appearance is conflicting or cannot achieve this
The combination of technical solution is not present, also not the present invention claims protection scope within.
Referring to Figure 1 to Figure 7, a kind of elastic thread looping and binding device with cutting facility, including pipette tips 1, gun body 2,3 and of negative tube
At least one elastic thread 4, pipette tips 1 are hollow tubular structure, offer at least one threading hole 11, threading hole in 1 tube wall of pipette tips
11 include the second aperture 112 that 11 rear end of the first aperture 111 and threading hole of 11 front end of threading hole is arranged in, the first aperture 111
It is arranged in 1 front end nozzle end of pipette tips, the second aperture 112 is arranged on the tube wall of pipette tips 1, negative tube 3 and 31 phase of negative pressure device
Gun body 2 is passed through after even and extends to pipette tips 1；Gun body 2 is equipped at least one power-driven gear；Elastic thread 4 is with slip-knot 41
Form forms the outer wall that elastic thread rope sling is set in pipette tips 1, and elastic thread 4 is penetrated by the first aperture 111, passes through threading hole 11, so
It is pierced by from the second aperture 112 and is connected with power-driven gear afterwards；The bore dia of threading hole 11 is small greater than the diameter of elastic thread 4
In the diameter of slip-knot 41, every elastic thread 4 respectively corresponds a threading hole 11；1 two sides of pipette tips are respectively equipped with blade 14, blade
14 between the first aperture 111 and the second aperture 112 and the blade of blade 14 is arranged close to the second aperture 112；The two of pipette tips 1
Side is fixed with blade 14, it is preferred that blade 14 is vertically arranged.Gun body 2 is equipped with push-and-pull actuator, plug-type actuator
Output end be equipped with catch bar 12, catch bar 12 extends to the second aperture 112 and withstands elastic thread 4, and every elastic thread 4 is right respectively
Answer a catch bar 12.
Negative pressure device 31 is specially vacuum suction machine, naturally it is also possible to the equipment that can generate negative pressure for other.By negative
Pressure device 31 makes to generate negative pressure in negative tube 3, and pipette tips 1 are resisted affected part, under the action of power-driven gear, when tightening bullet
When the line of force 4 is tightened to the node of rope sling abjection 1 nozzle of pipette tips and slip-knot 41 at first aperture 111, can be with the first aperture 111
Impetus continues to tighten elastic thread 4 decreasing pore size so that elastic thread rope sling.It can control negative pressure by negative pressure device 31
The size of negative pressure, generation and recession in pipe 3.
Push-and-pull actuator is push-pull electromagnet 24, and every elastic thread 4 respectively corresponds a push-pull electromagnet 24, is pushed
The transmission of push-pull electromagnet 24 corresponding with the same side of bar 12 is connected；Each push-pull electromagnet 24 respectively corresponds an electromagnet
Switch 25, electro-magnet switch 25 and power supply 23 are electrical connected.Power supply 23 is located in gun body 2.Power supply 23 be battery or lithium battery,
It may be other adaptable mobile power source equipment.
The two sides of gun body 2 and pipette tips 1 are equipped at least two elastic threads 4, the company of being equipped between ipsilateral and adjacent catch bar 12
Extension bar 13, connecting rod 13 are plugged in 1 side of pipette tips.Connecting rod 13 has certain supporting role for fixing pipe 12, prevents elastic force
Situations such as line 4 knots.Preferably, connecting rod 13 is arranged perpendicular to 1 side of pipette tips, is equipped at least between every adjacent two catch bar 12
Two connecting rods 13, the connecting rod 13 between adjacent two catch bar 12 are transversely arranged and on the same line.1 two sides of pipette tips difference
Equipped with cover board 15, the cover board 15 is equipped with connecting hole corresponding with connecting rod 13, and the cover board 15 is connected by connecting rod 13
It connects in pipette tips 1, pipette tips 1 and cover board 15 form the structure that a circumferential surface is smooth surface, and cover board 15 covers blade 14, second
The elastic thread 4 of 1 two sides of aperture 112,12 front end of catch bar and pipette tips.By the setting of cover board 15, so that 1 part of pipette tips is more round
It is sliding, discomfort will not be caused to patient, aesthetic effect is more preferable.
The two sides of gun body 2 and pipette tips 1 are equipped at least one elastic thread 4；Power-driven gear includes twin shaft stepper motor 5,
Twin shaft stepper motor 5 is fixed in gun body 2, and exposes output end, two output ends of twin shaft stepper motor 5 in the two sides of gun body 2
Be respectively equipped with ratchet 51, the gear teeth direction of two ratchets 51 be it is oppositely arranged, corresponding transmission flywheel is arranged on each ratchet 51
52, the elastic thread 4 of the two sides of gun body 2 and pipette tips 1 is respectively wound around on the transmission flywheel 52 of two sides, two not ipsilateral elastic threads
A 4 corresponding twin shaft stepper motors 5.
Transmission flywheel 52 is middle part hollow structure, and transmission 52 inner edge of flywheel is equipped with several with the gear teeth meshing of corresponding ratchet 51
Driving cog 521, along transmission flywheel 52 circumferential surface be equipped with groove 522, elastic thread 4 by groove 522 be wrapped in transmission flywheel 52
On.
As shown in figure 4, being square orifice in the middle part of ratchet 51, ratchet 51 being mounted on twin shaft by square orifice in the present embodiment
The output end of stepper motor 5；The outer rim of ratchet 51 is equipped at intervals with four arc-shaped gears, passes through the transmission of arc-shaped gear and transmission flywheel 52
Tooth 521 engages, so that ratchet 51 can only drive transmission flywheel 52 to rotate in one direction.When twin shaft stepper motor 5 is towards a side
It to when rotation, can only make ratchet 51 that a transmission flywheel 52 be driven to rotate simultaneously take-up, and be located at another output of twin shaft stepper motor 5
The ratchet 51 at end cannot drive its corresponding transmission flywheel 52 to rotate.Therefore, it is possible to pass through the rotating forward of twin shaft stepper motor 5
The take-up to two elastic threads 4 is realized with reversion.In general, every elastic thread 4 requires the driving of one take-up of setting, but
It is that middle twin shaft stepper motor 5, ratchet 51 and the setting for being driven flywheel 52, can be such that two elastic threads 4 share through this embodiment
The driving of one take-up, i.e., the twin shaft stepper motor 5 in the present embodiment.Space has been saved, cost is saved, so that gun body 2
Structure is simple.
2 two sides of gun body are inserted with several drive rods 21 upward or vertically respectively, for same elastic thread 4 drive rod 21 with
Corresponding threading hole 11 is arranged in parallel, and the drive rod 21 for being located at rear end in the drive rod 21 of same elastic thread 4 is located at correspondence
The top of transmission flywheel 52.Elastic thread 4 can ride upon on drive rod 21, and drive rod 21 has support for elastic thread 4 and leads
To effect.
Gun body 2 is equipped with motor switch 22 and the control module 24 for converting the current to pulse signal, control module
24 are electrical connected with motor switch 22, power supply 23 and twin shaft stepper motor 5 respectively., control module 24 is specially that stepper motor drives
Dynamic device.
12 front end of catch bar is tubular structure, and 12 front end of catch bar refers to one end far from gun body 2, catch bar 12 and threading
Hole 11 is arranged in parallel, and elastic thread 4 is connected after sequentially passing through the second aperture 112, catch bar 12 with power-driven gear.Catch bar 12
There is support and guiding role for elastic thread 4, while making the entirety of elastic thread looping and binding device more aesthetically pleasing, exquisite.
Gun body 2 is equipped with motor switch 22, power supply 23 and the control module 24 for converting the current to pulse signal, control
Molding block 24 is electrical connected with motor switch 22, power supply 23 and twin shaft stepper motor 5 respectively.
A kind of elastic thread setting of above-mentioned elastic thread looping and binding device with cutting facility is also disclosed in the present embodiment
Method, the technical scheme adopted is as follows:
A kind of elastic thread setting method of the above-mentioned elastic thread looping and binding device with cutting facility, the outer wall along pipette tips 1 are set
At least one elastic thread 4 is set, and at least one threading hole 11 is set in 1 tube wall of pipette tips, every elastic thread 4 is in the form of loose joint
It forms 4 rope sling of elastic thread and is set in the outer walls of pipette tips 1, from the first aperture 111 for corresponding to threading hole 11 on 1 tube wall of pipette tips is arranged in
Penetrate, be connected after being pierced by from the second aperture 112 with power-driven gear, catch bar 12 withstood after being connected with plug-type actuator from
The elastic thread 4 that second aperture 112 is pierced by, the diameter of threading hole 11 are greater than the diameter of elastic thread 4 and are less than the diameter of loose joint.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all at this
Under the inventive concept of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/use indirectly
It is included in other related technical areas in scope of patent protection of the invention.
Claims (10)
1. a kind of elastic thread looping and binding device with cutting facility, it is characterised in that: including pipette tips (1), gun body (2), negative tube (3)
With at least one elastic thread (4), the pipette tips (1) are hollow tubular structure, offer at least one in pipette tips (1) tube wall
Threading hole (11), the threading hole (11) include the first aperture (111) and the threading hole (11) being arranged in threading hole (11) front end
The second aperture (112) of rear end, first aperture (111) are arranged in pipette tips (1) front end nozzle end, second aperture
(112) it is arranged on the tube wall of pipette tips (1), the negative tube (3) passes through gun body (2) and extends after being connected with negative pressure device (31)
To pipette tips (1)；The gun body (2) is equipped at least one power-driven gear；
The elastic thread (4) forms the outer wall that elastic thread rope sling is set in pipette tips (1), the elastic thread in the form of slip-knot (41)
(4) penetrated by the first aperture (111), pass through threading hole (11), then from the second aperture (112) be pierced by and and power-driven gear
It is connected；
The bore dia of the threading hole (11) be greater than elastic thread (4) diameter and be less than slip-knot (41) diameter, every elastic thread
(4) threading hole (11) is respectively corresponded；
Pipette tips (1) two sides are respectively equipped with blade (14), and the blade (14) is located at the first aperture (111) and the second aperture
(112) between and the blade of blade (14) is arranged close to the second aperture (112)；
The gun body (2) is equipped with push-and-pull actuator, and the output end of the plug-type actuator is equipped with catch bar (12), described to push away
Lever (12) extends to the second aperture (112) and withstands elastic thread (4), and every elastic thread (4) respectively corresponds a catch bar
(12)。
2. the elastic thread looping and binding device according to claim 1 with cutting facility, it is characterised in that: the push-and-pull actuator
For push-pull electromagnet (24), every elastic thread (4) respectively corresponds a push-pull electromagnet (24), the catch bar (12) and
The corresponding push-pull electromagnet in the same side (24) transmission is connected；Each push-pull electromagnet (24) respectively corresponds an electromagnet and opens
It closes (25), the electro-magnet switch (25) and power supply (23) are electrical connected, and the power supply (23) is located on gun body (2).
3. the elastic thread looping and binding device according to claim 1 with cutting facility, it is characterised in that: the pipette tips (1) two
Side is respectively equipped with cover board (15), and the pipette tips (1) and cover board (15) form the structure that a circumferential surface is smooth surface, the cover board
(15) elastic thread (4) of blade (14), the second aperture (112), catch bar (12) front end and pipette tips (1) two sides is covered.
4. the elastic thread looping and binding device according to any one of claims 1 to 3 with cutting facility, it is characterised in that: described
The two sides of gun body (2) and pipette tips (1) are equipped at least one elastic thread (4)；
The power-driven gear includes twin shaft stepper motor (5), and the twin shaft stepper motor (5) is fixed in gun body (2), and
Expose output end in the two sides of gun body (2), two output ends of the twin shaft stepper motor (5) are respectively equipped with ratchet (51), two spine
Take turns (51) gear teeth direction be it is oppositely arranged, corresponding transmission flywheel (52), gun body (2) and rifle are arranged on each ratchet (51)
The elastic thread (4) of the two sides of head (1) is respectively wound around on the transmission flywheel (52) of two sides, and two not ipsilateral elastic threads (4) are right
Answer a twin shaft stepper motor (5).
5. the elastic thread looping and binding device according to claim 4 with cutting facility, it is characterised in that: the transmission flywheel
It (52) is middle part hollow structure, transmission flywheel (52) inner edge is equipped with several with the transmission of the gear teeth meshing of corresponding ratchet (51)
Tooth (521), the circumferential surface along transmission flywheel (52) are equipped with groove (522), and the elastic thread (4) is wrapped in biography by groove (522)
On dynamic flywheel (52).
6. the elastic thread looping and binding device according to claim 5 with cutting facility, it is characterised in that: the gun body (2) two
Side is inserted with several drive rods (21) upward or vertically respectively, and the drive rod (21) for same elastic thread (4) is worn with corresponding
String holes (11) is arranged in parallel, and the drive rod (21) for being located at rear end in the drive rod (21) of same elastic thread (4) is located at correspondence
Transmission flywheel (52) above.
7. the elastic thread looping and binding device according to claim 6 with cutting facility, it is characterised in that: on the gun body (2)
Control module (24) equipped with motor switch (22) and for converting the current to pulse signal, the control module (24) is respectively
It is electrical connected with motor switch (22), power supply (23) and twin shaft stepper motor (5).
8. the elastic thread looping and binding device according to claim 7 with cutting facility, it is characterised in that: on the gun body (2)
Equipped with motor switch (22), power supply (23) and control module (24) for converting the current to pulse signal, the control mould
Block (24) is electrical connected with motor switch (22), power supply (23) and twin shaft stepper motor (5) respectively.
9. the elastic thread looping and binding device according to claim 1 with cutting facility, it is characterised in that: the catch bar (12)
Front end is tubular structure, and the catch bar (12) is arranged in parallel with threading hole (11), and the elastic thread (4) sequentially passes through the second hole
Mouth (112), catch bar (12) are connected with power-driven gear afterwards.
10. a kind of such as elastic thread of claims 1 to 3 or 5 to 9 described in any item elastic thread looping and binding devices with cutting facility
Setting method, it is characterised in that: at least one elastic thread (4) are arranged in the outer wall along pipette tips (1), and set in pipette tips (1) tube wall
At least one threading hole (11) is set, every elastic thread (4) is formed elastic thread (4) rope sling in the form of loose joint and is set in pipette tips (1)
Outer wall, penetrated from the first aperture (111) for corresponding on pipette tips (1) tube wall threading hole (11) is arranged, from the second aperture (112)
It is connected after being pierced by with power-driven gear, the catch bar (12) is withstood after being connected with plug-type actuator from the second aperture
(112) elastic thread (4) being pierced by, the diameter of the threading hole (11) are greater than the diameter of elastic thread (4) and are less than the diameter of loose joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811080037.4A CN109124717B (en) | 2018-09-17 | 2018-09-17 | Elastic thread ligation device with thread cutting device and elastic thread setting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811080037.4A CN109124717B (en) | 2018-09-17 | 2018-09-17 | Elastic thread ligation device with thread cutting device and elastic thread setting method |
Publications (2)
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| CN109124717A true CN109124717A (en) | 2019-01-04 |
| CN109124717B CN109124717B (en) | 2023-07-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811080037.4A Active CN109124717B (en) | 2018-09-17 | 2018-09-17 | Elastic thread ligation device with thread cutting device and elastic thread setting method |
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| CN (1) | CN109124717B (en) |
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| CN111227895A (en) * | 2020-03-06 | 2020-06-05 | 王永丽 | Ligation anastomat |
| CN111904524A (en) * | 2020-09-18 | 2020-11-10 | 山东省千佛山医院 | Anorectal department one-hand tight-line and broken-line type hemorrhoid ligation device |
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Denomination of invention: An elastic wire tying device with a thread cutting device and a method for setting elastic wires Effective date of registration: 20231123 Granted publication date: 20230718 Pledgee: Bank of Changsha Limited by Share Ltd. science and Technology Branch Pledgor: HUNAN LINGKANG MEDICAL TECHNOLOGY Co.,Ltd. Registration number: Y2023980067259 |