CN109124718A - A kind of elastic thread looping and binding device and elastic thread setting method with take-up - Google Patents
A kind of elastic thread looping and binding device and elastic thread setting method with take-up Download PDFInfo
- Publication number
- CN109124718A CN109124718A CN201811080266.6A CN201811080266A CN109124718A CN 109124718 A CN109124718 A CN 109124718A CN 201811080266 A CN201811080266 A CN 201811080266A CN 109124718 A CN109124718 A CN 109124718A
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- Prior art keywords
- elastic thread
- pipette tips
- aperture
- threading hole
- gun body
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- Granted
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 230000005540 biological transmission Effects 0.000 claims description 28
- 230000003447 ipsilateral effect Effects 0.000 claims description 5
- 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 7
- 239000011148 porous material Substances 0.000 description 7
- 208000027418 Wounds and injury Diseases 0.000 description 6
- 241000692569 Stylephorus chordatus Species 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
- 238000009966 trimming Methods 0.000 description 3
- 244000043261 Hevea brasiliensis Species 0.000 description 2
- 208000025865 Ulcer Diseases 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000035876 healing Effects 0.000 description 2
- 208000014674 injury Diseases 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
- 229920000742 Cotton Polymers 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
- 238000005520 cutting process Methods 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
- 238000004519 manufacturing process Methods 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
-
- 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
Abstract
The invention discloses a kind of elastic thread looping and binding device and elastic thread setting method with take-up, a kind of elastic thread looping and binding device are as follows: including pipette tips, gun body, negative tube and at least one elastic thread, pipette tips are hollow tubular structure, at least one threading hole is offered in pipette tips tube wall, threading hole includes the first aperture and the second aperture, first aperture is arranged in pipette tips front end nozzle end, second aperture is arranged on the tube wall of pipette tips, negative tube passes through gun body after being connected with negative pressure device and extends to pipette tips, and 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；The bore dia of threading hole is greater than the diameter of elastic thread and the diameter less than slip-knot, every elastic thread respectively correspond a threading hole.Take-up is steady, is easy to control.Present invention application 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 take-up
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.
Elastic thread looping and binding device disclosed in this two parts of patent documents has done certain change on the basis of file disclosed above
Into which employs tightening elastic threads in a manner of making elastic thread rope sling decreasing pore size, but its take-up etc. is all using hand
Dynamic mode, and structure is more complicated, and wiring is inconvenient.
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.
Its take-up mode used is using adjustable spring as driving take-up, not easy to control when adjustable spring drives, receipts
Line is unstable, or even is easy to appear and causes secondary injury to patient.
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 take-up,
Take-up is steady, is easy to control, is easy to use.
To achieve the above object, the invention proposes a kind of elastic thread looping and binding device, including pipette tips, gun body, negative tube and extremely
A few elastic thread, the pipette tips are hollow tubular structure, offer at least one threading hole in the pipette tips tube wall, described to wear
String holes includes that second aperture in the first aperture and threading hole rear end of threading hole front end is arranged in, and first aperture is arranged in rifle
Head front end nozzle end, second aperture are arranged on the tube wall of pipette tips, and the negative tube passes through after being connected with negative pressure device
Gun body simultaneously extends to pipette tips, and 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.
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 outer wall of the pipette tips two sides is equipped with fixing pipe, and the fixing pipe front end is hollow tubular
Structure, the fixing pipe set the rear in the second aperture, and the fixing pipe is arranged in parallel with threading hole, and the elastic thread sequentially passes through
It is connected after second aperture, fixing pipe with power-driven gear, every elastic thread respectively corresponds a fixing pipe.
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.
Further improved, the pipette tips two sides are respectively equipped with blade, and the blade is located at the first aperture and the second hole
Between mouthful and the blade of blade is arranged close to the second aperture；
The gun body is equipped with push-pull electromagnet and electro-magnet switch, and every elastic thread respectively corresponds a plug-type electricity
Magnet and an electro-magnet switch, the electro-magnet switch are electrical connected one by one with push-pull electromagnet, the electro-magnet switch
It is electrical connected with power supply；
The fixing pipe rear end part be it is rod-shaped, the stem portion extend to gun body and with push-pull electromagnet be driven phase
Even.
Further improved, the two sides of the gun body and pipette tips are equipped at least two elastic threads, ipsilateral and adjacent fixation
Connecting rod is equipped between pipe, 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 fixing pipes, the connecting rod between adjacent two fixing pipe 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, and the cover board passes through
Connecting rod is connected with pipette tips, and the pipette tips and cover board form the structure that a circumferential surface is smooth surface, and the cover board covers knife
Piece, the second aperture, fixing pipe front end and pipette tips two sides elastic thread.
The invention also provides a kind of elastic thread setting methods of above-mentioned elastic thread looping and binding device, and its technical solution is as follows:
At least one elastic force is arranged in a kind of elastic thread setting method of above-mentioned elastic thread looping and binding device, the outer wall along pipette tips
Line, and at least one threading hole is set in pipette tips tube wall, every elastic thread is formed elastic thread rope sling in the form of loose joint and is arranged
In the outer wall of pipette tips, penetrated from the first aperture for corresponding to threading hole on pipette tips tube wall is arranged in, it is after being pierced by from the second aperture and electric
Force driving device is connected, and the diameter of the threading hole is greater than the diameter of elastic thread and is 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, 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.
2, 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.).
3, the take-up mode of elastic thread is to drive take-up, and existing open file using power-driven gear in the present invention
In, it is all such as adjustable spring or the mode of manual take-up by the way of mechanical take-up.Thus take-up side of the invention
Formula is more steady, it is easier to control, operation is more convenient, will not cause secondary injury to patient.
4, the power-driven gear in the present invention is specially twin shaft stepper motor, passes through two outputs in twin shaft stepper motor
Reversed ratchet and corresponding transmission flywheel is arranged in end, and a twin shaft stepper motor is the take-up of controllable two elastic threads,
The arrangement for saving elastic thread bracing wire driving, has saved the inner space of gun body, has saved cost of manufacture, be more easier to operate.
5, be also provided with cutting facility in the present invention, can after take-up is complete trimming, trimming is thorough, easy to operate, can be with
It is operated by a people, is completed at the same time take-up and trimming.
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, including pipette tips 1, gun body 2, negative tube 3 and at least one elastic thread
4, pipette tips 1 are hollow tubular structure, at least one threading hole 11 is offered in 1 tube wall of pipette tips, and threading hole 11 includes that setting is being worn
Second aperture 112 of 11 rear end of the first aperture 111 and threading hole of 11 front end of string holes, the first aperture 111 are arranged in 1 front end of pipette tips
Nozzle end, the second aperture 112 are arranged on the tube wall of pipette tips 1, and negative tube 3 passes through gun body 2 simultaneously after being connected with negative pressure device 31
Pipette tips 1 are extended to, gun body 2 is equipped at least one power-driven gear；Elastic thread 4 forms elastic force cotton rope in the form of slip-knot 41
It is set in the outer wall of pipette tips 1, elastic thread 4 is penetrated by the first aperture 111, is passed through threading hole 11, is then worn from the second aperture 112
It is connected out and with power-driven gear；The bore dia of threading hole 11 be greater than elastic thread 4 diameter and be less than slip-knot 41 diameter, often
Root elastic thread 4 respectively corresponds a threading hole 11.
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.
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 be middle part hollow structure, transmission 52 inner edge of flywheel be equipped with it is several with it is corresponding
The driving cog 521 of the gear teeth meshing of ratchet 51 is equipped with groove 522 along the circumferential surface of transmission flywheel 52, and elastic thread 4 passes through groove 522
It is wrapped on transmission flywheel 52.
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.
The outer wall of 1 two sides of pipette tips is equipped with fixing pipe 12, and 12 front end of fixing pipe is hollow tubular structure, 12 front end of fixing pipe
Refer to one end far from gun body 2, fixing pipe 12 sets the rear in the second aperture 112, and fixing pipe 12 is arranged in parallel with threading hole 11, bullet
The line of force 4 is connected after sequentially passing through the second aperture 112, fixing pipe 12 with power-driven gear, and every elastic thread 4 respectively corresponds one
Fixing pipe 12.Fixing pipe 12 has support and guiding role for elastic thread 4, while making the entirety of elastic thread looping and binding device more
It is beautiful, 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.Power supply 23 is battery or lithium electricity
Pond, or other adaptable mobile power source equipment, control module 24 are specially stepper motor driver.
1 two sides of pipette tips are respectively equipped with blade 14, and blade 14 is between the first aperture 111 and the second aperture 112 and knife
The blade of piece 14 is arranged close to the second aperture 112；The two sides of pipette tips 1 are fixed with blade 14, it is preferred that blade 14 is vertical
Setting.
Gun body 2 be equipped with push-pull electromagnet 24 and electro-magnet switch 25, every elastic thread 4 respectively correspond one it is plug-type
Electromagnet 24 and an electro-magnet switch 25, electro-magnet switch 25 are electrical connected one by one with push-pull electromagnet 24, and electromagnet is opened
25 are closed to be electrical connected with power supply 23；
12 rear end part of fixing pipe be it is rod-shaped, 12 rear end of fixing pipe refers to one end close to gun body 2.Stem portion extends to
Gun body is simultaneously connected with the transmission of push-pull electromagnet 24.
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 fixing pipe 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 two companies between every adjacent two fixing pipe 12
Extension bar 13, the connecting rod 13 between adjacent two fixing pipe 12 are transversely arranged and on the same line.
1 two sides of pipette tips are respectively equipped with cover board 15, and the cover board 15 is equipped with connecting hole corresponding with connecting rod 13, described
Cover board 15 is connected by connecting rod 13 with pipette tips 1, and pipette tips 1 and cover board 15 form the structure that a circumferential surface is smooth surface, cover board
15 cover the elastic thread 4 of blade 14,1 two sides of the second aperture 112,12 front end of fixing pipe and pipette tips, by the setting of cover board 15,
So that 1 part of pipette tips is rounder and more smooth, discomfort will not be caused to patient, aesthetic effect is more preferable.
A kind of elastic thread setting method of above-mentioned elastic thread looping and binding device, the skill used are also disclosed in the present embodiment
Art scheme is as follows:
At least one elastic force is arranged in a kind of elastic thread setting method of above-mentioned elastic thread looping and binding device, the outer wall along pipette tips 1
Line 4, and at least one threading hole 11 is set in 1 tube wall of pipette tips, every elastic thread 4 forms the rope of elastic thread 4 in the form of loose joint
It is set in the outer wall of pipette tips 1, is penetrated from the first aperture 111 for corresponding to threading hole 11 on 1 tube wall of pipette tips is arranged in, from the second hole
Mouth 112 is connected after being pierced by with power-driven gear, and the diameter of threading hole 11 is greater than the diameter of elastic thread 4 and is less than the straight of loose joint
Diameter.
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 (9)
1. a kind of elastic thread looping and binding device with take-up, 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.
2. the elastic thread looping and binding device according to claim 1 with take-up, it is characterised in that: the gun body (2) and
The two sides of 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).
3. the elastic thread looping and binding device according to claim 2 with take-up, 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.
4. the elastic thread looping and binding device according to claim 2 with take-up, 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).
5. the elastic thread looping and binding device according to claim 4 with take-up, 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.
6. the elastic thread looping and binding device according to claim 1 with take-up, it is characterised in that: the pipette tips (1) two
The outer wall of side is equipped with fixing pipe (12), and fixing pipe (12) front end is hollow tubular structure, and the fixing pipe (12) sets the
The rear in two apertures (112), the fixing pipe (12) are arranged in parallel with threading hole (11), and the elastic thread (4) sequentially passes through
Two apertures (112), fixing pipe (12) are connected with power-driven gear afterwards, and every elastic thread (4) respectively corresponds a fixing pipe
(12)。
7. the elastic thread looping and binding device according to claim 6 with take-up, it is characterised in that: the pipette tips (1) two
Side is respectively equipped with blade (14), and the blade (14) is between the first aperture (111) and the second aperture (112) and blade
(14) blade is arranged close to the second aperture (112)；
The gun body (2) is equipped with push-pull electromagnet (24) and electro-magnet switch (25), and every elastic thread (4) respectively corresponds one
A push-pull electromagnet (24) and an electro-magnet switch (25), the electro-magnet switch (25) and push-pull electromagnet (24) one
One is electrical connected, and the electro-magnet switch (25) is electrical connected with power supply (23)；
Fixing pipe (12) rear end part be it is rod-shaped, the stem portion extend to gun body and with push-pull electromagnet (24) pass
It is dynamic to be connected.
8. the elastic thread looping and binding device according to claim 7 with take-up, 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), fixing pipe (12) front end and pipette tips (1) two sides is covered.
9. a kind of elastic thread setting side of the elastic thread looping and binding device as claimed in any one of claims 1 to 8 with take-up
Method, it is characterised in that: at least one elastic thread (4) are arranged in the outer wall along pipette tips (1), and are arranged at least in pipette tips (1) tube wall
One threading hole (11), every elastic thread (4) form the outer wall that elastic thread (4) rope sling is set in pipette tips (1) in the form of loose joint,
It is penetrated from the first aperture (111) for corresponding to threading hole (11) is arranged on pipette tips (1) tube wall, after being pierced by from the second aperture (112)
It is connected with power-driven gear, the diameter of the threading hole (11) is greater than the diameter of elastic thread (4) and is less than the diameter of loose joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811080266.6A CN109124718B (en) | 2018-09-17 | 2018-09-17 | Elastic thread loop ligature device with take-up device and elastic thread setting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811080266.6A CN109124718B (en) | 2018-09-17 | 2018-09-17 | Elastic thread loop ligature device with take-up device and elastic thread setting method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109124718A true CN109124718A (en) | 2019-01-04 |
| CN109124718B CN109124718B (en) | 2023-07-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811080266.6A Active CN109124718B (en) | 2018-09-17 | 2018-09-17 | Elastic thread loop ligature device with take-up device and elastic thread setting method |
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| CN (1) | CN109124718B (en) |
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| CN109124718B (en) | 2023-07-18 |
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Denomination of invention: An elastic wire tying device with a thread collection 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 |