CN107661139A - One kind pulls pressure type steel needle fixing clamp - Google Patents
One kind pulls pressure type steel needle fixing clamp Download PDFInfo
- Publication number
- CN107661139A CN107661139A CN201711139630.7A CN201711139630A CN107661139A CN 107661139 A CN107661139 A CN 107661139A CN 201711139630 A CN201711139630 A CN 201711139630A CN 107661139 A CN107661139 A CN 107661139A
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- bottom sheet
- upper piece
- draw point
- fixing clamp
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/60—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like for external osteosynthesis, e.g. distractors, contractors
Abstract
The invention discloses one kind to pull pressure type steel needle fixing clamp, including pulling force bolt, connecting rod bottom sheet, connecting rod upper piece, spring, draw point bottom sheet, draw point upper piece, pad, pull pressure handle and bearing pin, the pulling force bolt is connected by external screw thread with the internal thread of connecting rod bottom sheet, and after passing sequentially through the endoporus of connecting rod upper piece, spring, draw point bottom sheet, draw point upper piece, pad, it is connected with spanner handle by bearing pin.Structure of the present invention is novel, and reasonable in design, simple operation, a variety of locking modes are simultaneously deposited, using flexible, securely and reliably, are adapted to promote the use of.
Description
Technical field
The present invention relates to a kind of bone surgical operation appliances, specifically one kind pulls pressure type steel needle fixing clamp.
Background technology
In the process of medical technology modernization, material and the configuration aspects of bone external fixing rack obtain significant progress, make
Bone external fixing rack in primitive meaning, change there occurs quality in mechanical function mode and Mechanobiology performance, performance of control
Improve, idicatio is more extensive, is the major progress of exter-nal fixer technical field.Thereafter Dror Paley in the U.S. write
《Orthopaedic srugery's principle》, it is creative by CORA concepts be applied to outside bone it is fixed rescue among, fixed straightening technique outside bone is existed
Made substantial progress in terms of standardization and digitlization.At the same time, the research of orthopedic instruments also has rapid progress:1984,
Bastiani etc. has invented a kind of unilateral axle dynamic external fixator, simplifies to have grasped and makees difficulty, be domestic and international application it is more one
Kind exter-nal fixer;AO schools also identify application value of the exter-nal fixer in opening, infected fracture, have developed one kind
Tubulose external fixator.
The adaptability rigidity of fixation, refer to exter-nal fixer while maintaining the reduction of the fracture stable, according to bone embryo
Original development mode, there is provided interim optimal rigidity of fixation, make full use of bone to adjust the growth of bone to the Adaptive Control of stress
With absorption, promote the process of union, the optimized reconstruction of complete osteogenesis function, until knitting returns to most perfect degree,
In other words, as the rigidity of fracture fixation reduces with the increase of the intensity of knitting, biomechanics of bone intensity is with fixed firm
The reduction of degree and an increased dynamic conversion process.
The content of the invention
It disclosure satisfy that the strong fixation of fracture any angle and combined stress are stimulated and fixed it is an object of the invention to provide one kind
External fixing rack, to solve mechanical energy(Mechanical environment)With biological energy source(Regeneration)Compatibility(The conjunction of Mechanobiology environment
Rationality)Problem, and solve the stuck of traditional steel needle fixing clamp, it is impossible to the deficiencies of quick locking and use instrument are locked, shorten hand
The art operating time, the quality time is won for patient, external fixing rack manufacturing cost is high and uses expensive technical problem.
To achieve the above object, the present invention provides following technical scheme:
One kind pulls pressure type steel needle fixing clamp, including pulling force bolt, connecting rod bottom sheet, connecting rod upper piece, spring, draw point bottom sheet, draw point upper piece,
Pad, pressure handle and bearing pin are pulled, the pulling force bolt is connected by external screw thread with the internal thread of connecting rod bottom sheet, and is passed sequentially through on connecting rod
Piece, spring, draw point bottom sheet, draw point upper piece, pad endoporus after, be connected with spanner handle by bearing pin.
As the further scheme of the present invention:The pulling force bolt root external peripheral surface part is provided with external screw thread, for
The internal thread connection of connecting rod bottom sheet.
As the further scheme of the present invention:The connecting rod upper piece and connecting rod bottom sheet are provided with C-shaped channel using double-side opening
Clamp region.
As the further scheme of the present invention:The draw point bottom sheet and draw point upper piece are provided with V-groove using double-side opening
Clamp region.
As the further scheme of the present invention:The centre for pulling pressure handle is provided with a U-type groove being engaged with pulling force bolt,
Pull and two small sircle holes for being located at U-type groove both sides respectively are offered on pressure handle.
As the further scheme of the present invention:The pressure handle of pulling is in rectangular parallelepiped structure, and its four side is machined with fillet.
Compared with prior art, the beneficial effects of the invention are as follows:
The present invention has carried out larger improvement and innovation, has added new function, respectively again while original component feature is kept
The improvement and innovation of individual component make the performance of the bionical exter-nal fixer of controlling type newly be lifted, function more science, it is advanced and
Practicality, the needs of a variety of cases are met, it is ingenious in design rationally to pull the component of pressure type steel needle fixing clamp and external fixing rack, each structure
The existing relative independence of part, they, which have, complies with the structure of biological requirement, bone external fixing rack is marched toward bionic boundary
It is possibly realized, technology guarantee is provided to implement cybernetics.
In addition, it is of the invention compared with traditional steel needle fixing clamp, it is quick can to meet that common locking mode and can is realized
Locking, is also provided that various selectable locking mode, provides the selection space of a variety of stress again, meet to greatest extent
The mechanics fixed demand of bone diverse location.Pull pressure type steel needle fixing clamp and abandon the drawbacks of could being installed with instrument.In clinic
Quick connection draw point and other outside accessories are realized in use, pull the quick fixed locking of pressure manually, a variety of locking modes are simultaneously
Deposit, safety is anti-loosening.
Brief description of the drawings
Fig. 1 is the configuration schematic diagram for pulling pressure type steel needle fixing clamp.
Fig. 2 is the combining structure schematic diagram for pulling pressure type steel needle fixing clamp.
Fig. 3 is a kind of using state structure diagram for pulling pressure type steel needle fixing clamp.
Fig. 4 is another using state structure diagram for pulling pressure type steel needle fixing clamp.
In figure:1- pulling force bolts, 2- connecting rod bottom sheet, 3- connecting rods upper piece, 4- springs, 5- draw point bottom sheet, 6- draw points upper piece, 7- pads
Piece, 8- pull pressure handle, 9- bearing pins, 20- long bones, 21- connecting rods, 22- draw points.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Refer to Fig. 1-4, in the embodiment of the present invention, one kind pulls pressure type steel needle fixing clamp, for fixed connecting rod 21 and steel
Pin 22, including pulling force bolt 1, connecting rod bottom sheet 2, connecting rod upper piece 3, spring 4, draw point bottom sheet 5, draw point upper piece 6, pad 7, pull pressure handle 8
With bearing pin 9, the pulling force bolt 1 is connected by external screw thread with the internal thread of connecting rod bottom sheet 2, and passes sequentially through connecting rod upper piece 3, spring
4th, draw point bottom sheet 5, draw point upper piece 6, pad 7 endoporus after, be connected with spanner handle 8 by bearing pin 9.
In the embodiment of the present invention, the pressure handle 8 of pulling is designed using cam structure, convenient to adjust on connecting rod bottom sheet 2 and connecting rod
The spacing between spacing and draw point bottom sheet 5 and draw point upper piece 6 between piece 3, spacing become hour locking connecting rod 21 or draw point
22。
In the embodiment of the present invention, the root external peripheral surface part of pulling force bolt 1 is provided with external screw thread, for connecting rod bottom sheet
2 internal thread connection, and entire length is adjusted so as to control locking scope by mutually rotating.
In the embodiment of the present invention, the connecting rod upper piece 3 and connecting rod bottom sheet 2 are using clamping plate knot of the double-side opening provided with C-shaped channel
Structure, two connecting rods 21 can be simultaneously clamped on, can also be used alone;The draw point bottom sheet 5 and draw point upper piece 6 use bilateral
The clamp region of V-groove is offered, two draw points 22 can be simultaneously clamped on, can also be used alone.
In the use of the present invention, make pad 7, draw point upper piece 6, draw point bottom sheet 5, spring using the drawing pulling force of pressure handle 8 bolt 1 is pulled
4, connecting rod upper piece 3, the space of connecting rod bottom sheet 2 diminishes, and the draw point 22 that is put into and connecting rod 21 is locked.Pressure type draw point is pulled to fix
It is clipped under conventional sense, due to acting force of the spring, draw point bottom sheet 5 and draw point upper piece 6 fit together, connecting rod upper piece 3 and connecting rod
Bottom sheet 2 fits together, and such draw point 22 or connecting rod 21 are just easy to be fixed, before pressure handle locking is pulled, Ke Yiren
The angle of meaning rotation draw point 22 and the angle of connecting rod 21, flexibility ratio is high, is moved with hand and pulls pressure handle and realize quick locking, can saved
With the link of spanner, the fixed efficiency of raising, pull pressure handle 8 by moving and realize locking, move company is screwed while pulling pressure handle 8
Bar bottom sheet 2 realize locking, pull pressure handle can arbitrarily direction of rotation locked.
Pull pressure type steel needle fixing clamp when in use, there is following four locking mode:
Locking mode 1:It is identical with common steel needle fixing clamp locking mode, screwed by using spanner and pull pressure handle 8, apply screw thread
Lock principle;
Locking mode 2:Pull pressure handle 8 by moving and realize that prestressing force is locked, then screwed using spanner and pull pressure handle 8 and realize fixing lock
Extremely;
Locking mode 3:Pull pressure handle 8 by screwing and realize that prestressing force is locked, then realize that Quick-pressing is fixed pulling pressure handle 8
It is locked;
Locking mode 4:By pulling the quick locking of pressure handle 8, connecting rod upper piece 3 and connecting rod bottom sheet 2, draw point bottom sheet 5 are then screwed
Realize that fixation is locked with draw point upper piece 6.
Four kinds of locking modes of the above, divide from locking speed, locking mode 3 is fastest, and locking mode 4 takes second place, afterwards
It is locking mode 2 and locking mode 1 successively;To divide from locked-up stress, the dynamics of locking mode 1 is maximum, and locking mode 2 takes second place, it
Locking mode 4 and locking mode 3 successively afterwards.
Four kinds of locking modes of this patent after completing to lock, are individually moved because the arm of force for pulling pressure handle is shorter and pull pressure
Handle, which can not be realized, to be loosened, and realizes safe locking, avoids patient accidentally or other factors occur loosening influence treatment.
In the embodiment of the present invention, the centre for pulling pressure handle 8 is provided with a U-type groove being engaged with pulling force bolt 1, pulls pressure handle
Two small sircle holes for being located at U-type groove both sides respectively are offered on 8, it is in rectangular parallelepiped structure to pull pressure handle 8, and its four side is machined with circle
Angle.
Locking mode 3 can borrow bone surgery necessary draw point when pulling pressure handle 8, two roundlets are inserted with two draw points
So add to move the arm of force and take advantage of a situation in hole and move and can lock, it is also possible to which special spanner completes locking.
The present invention has carried out larger improvement and innovation, has added new work(again while original component feature is kept
Can, the improvement and innovation of each component make the performance of the bionical exter-nal fixer of controlling type newly be lifted, function more science, elder generation
Enter and practical, meet the needs of a variety of cases.It is ingenious in design rationally to pull the component of pressure type steel needle fixing clamp and external fixing rack, often
The individual existing relative independence of component, they have the structure for complying with biological requirement, bone external fixing rack is marched toward bionic
Boundary is possibly realized, and technology guarantee is provided to implement cybernetics.
Compared to traditional steel needle fixing clamp, the present invention can meet that common locking mode and can realizes quick locking, together
Sample provides various selectable locking mode, provides the selection space of a variety of stress again, meets bone to greatest extent not
With the mechanics fixed demand of position.Pull pressure type steel needle fixing clamp and abandon the drawbacks of could being installed with instrument.In Clinical practice
Realize quick connection draw point and other outside accessories.The quick fixed locking of pressure is pulled manually, and a variety of locking modes are simultaneously deposited, safety
It is anti-loosening.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as to the involved claim of limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (6)
1. one kind pulls pressure type steel needle fixing clamp, including pulling force bolt(1), connecting rod bottom sheet(2), connecting rod upper piece(3), spring(4), draw point
Bottom sheet(5), draw point upper piece(6), pad(7), pull pressure handle(8)And bearing pin(9), it is characterised in that the pulling force bolt(1)By outer
Screw thread and connecting rod bottom sheet(2)Internal thread connection, and pass sequentially through connecting rod upper piece(3), spring(4), draw point bottom sheet(5), draw point
Upper piece(6), pad(7)Endoporus after, with spanner handle(8)Pass through bearing pin(9)It is connected.
2. one kind according to claim 1 pulls pressure type steel needle fixing clamp, it is characterised in that the pulling force bolt(1)Outside root
Circumferential surface portion is provided with external screw thread, for connecting rod bottom sheet(2)Internal thread connection.
3. one kind according to claim 1 pulls pressure type steel needle fixing clamp, it is characterised in that the connecting rod upper piece(3)And even
Bar bottom sheet(2)The clamp region of C-shaped channel is provided with using double-side opening.
4. one kind according to claim 1 pulls pressure type steel needle fixing clamp, it is characterised in that the draw point bottom sheet(5)And steel
Pin upper piece(6)The clamp region of V-groove is provided with using double-side opening.
5. one kind according to claim 1 pulls pressure type steel needle fixing clamp, it is characterised in that described to pull pressure handle(8)Centre
Provided with one and pulling force bolt(1)The U-type groove being engaged, pulls pressure handle(8)On offer two respectively be located at U-type groove both sides roundlets
Hole.
6. one kind according to claim 1 pulls pressure type steel needle fixing clamp, it is characterised in that described to pull pressure handle(8)In rectangular
Body structure, and its four side is machined with fillet.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711139630.7A CN107661139A (en) | 2017-11-16 | 2017-11-16 | One kind pulls pressure type steel needle fixing clamp |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711139630.7A CN107661139A (en) | 2017-11-16 | 2017-11-16 | One kind pulls pressure type steel needle fixing clamp |
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Publication Number | Publication Date |
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CN107661139A true CN107661139A (en) | 2018-02-06 |
Family
ID=61143884
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201711139630.7A Pending CN107661139A (en) | 2017-11-16 | 2017-11-16 | One kind pulls pressure type steel needle fixing clamp |
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CN (1) | CN107661139A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108451616A (en) * | 2018-03-27 | 2018-08-28 | 李莉 | A kind of Damage Coutrol exterior fixing rack |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101296665A (en) * | 2005-06-21 | 2008-10-29 | 新特斯有限责任公司 | Adjustable fixation clamp and method |
US20130289633A1 (en) * | 2012-04-17 | 2013-10-31 | Garrett Gleeson | Instrument and method for spinal compression and distraction |
CN204446065U (en) * | 2015-02-10 | 2015-07-08 | 张家港市富康医械制造有限公司 | Orthopaedics extenal fixation shank fixation clamp |
WO2016035053A1 (en) * | 2014-09-04 | 2016-03-10 | Mikai S.P.A. | External fixation clamp |
-
2017
- 2017-11-16 CN CN201711139630.7A patent/CN107661139A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101296665A (en) * | 2005-06-21 | 2008-10-29 | 新特斯有限责任公司 | Adjustable fixation clamp and method |
US20130289633A1 (en) * | 2012-04-17 | 2013-10-31 | Garrett Gleeson | Instrument and method for spinal compression and distraction |
WO2016035053A1 (en) * | 2014-09-04 | 2016-03-10 | Mikai S.P.A. | External fixation clamp |
CN204446065U (en) * | 2015-02-10 | 2015-07-08 | 张家港市富康医械制造有限公司 | Orthopaedics extenal fixation shank fixation clamp |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108451616A (en) * | 2018-03-27 | 2018-08-28 | 李莉 | A kind of Damage Coutrol exterior fixing rack |
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Application publication date: 20180206 |
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