CN107260274A - A kind of orthopaedics replacement and fixation frame - Google Patents
A kind of orthopaedics replacement and fixation frame Download PDFInfo
- Publication number
- CN107260274A CN107260274A CN201710560557.4A CN201710560557A CN107260274A CN 107260274 A CN107260274 A CN 107260274A CN 201710560557 A CN201710560557 A CN 201710560557A CN 107260274 A CN107260274 A CN 107260274A
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- Prior art keywords
- connecting rod
- floating bushing
- screw
- floating
- replacement
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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
- A61B17/56—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
- A61B17/62—Ring frames, i.e. devices extending around the bones to be positioned
-
- 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
- A61B2017/564—Methods for bone or joint treatment
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Heart & Thoracic Surgery (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 invention discloses a kind of orthopaedics replacement and fixation frame, with two fixed underpans, its effective length on two fixed underpans adjustably root support bar is respectively hinged at two ends, each support bar and two fixed underpans are angled, support bar includes connecting rod, the two ends of connecting rod carry external screw thread, one ball pivot is arranged on the left end of connecting rod by the left end of connecting rod with coordinating with female pressure cap, the right-hand member of connecting rod is provided with a floating installation, another ball pivot is arranged on the floating bushing of floating installation by the right-hand member of connecting rod with coordinating with female locking cap, locking cap is provided with a lock-screw, lock-screw can keep out the locking that the floating bushing is realized on floating bushing.Simple to operate, safety in utilization of the invention is good, accurate positioning, fixation are reliable.
Description
Technical field
The present invention relates to technical field of medical instruments, and in particular to a kind of orthopaedics replacement and fixation frame.
Background technology
Bony debris etc. must be laid equal stress on in or again in by a kind of replacement and fixation frame sometimes in orthopaedics therapy
New definition is to recover the continuity and key function of bone, and the bone of bone split or fracture heals in misalignment position, can cause bone
The acquired deformity that malunion skeleton development misplaces and caused.
Chinese patent CN201210547836.4 discloses a kind of orthopaedics replacement and fixation frame, belongs to clinical synthetism medical treatment
Technique with the apparatus field, the effective length that there are two fixed underpans and 6 two ends to be respectively hinged on two fixed underpans for it is adjustable
Support bar, every support bar is made up of sleeve pipe and the slide bar that is inserted into sleeve pipe, and sleeve pipe and slide bar are respectively arranged on by ball pivot
On fixed underpan.The support bar of the present invention utilizes slide bar telescopic adjustment, and the active movement of support bar is changed into what is driven by chassis
Passive movement, needs can be aligned according to bone stump and are compressed extension, left and right angulation, front and rear angulation, left and right translation, Qian Houping
Six actions such as shifting, rotation, accurate positioning is easy to operate, applied widely.Due to every support bar and two fixed underpans
Between using being rigidly connected, unscrewing 4 support bars can just be adjusted the needs that are in course of adjustment simultaneously, and be in relaxation state
Support bar completely lose support function, secondary damage will be caused to affected part if there is faulty operation, to medical worker's
Operate level requirement high.
The content of the invention
In view of the above-mentioned problems, the present invention provides a kind of good simple to operate, safety in utilization, accurate positioning, fix tightly
Gu reliable orthopaedics replacement and fixation frame.
To achieve the above object, the present invention provides following technical scheme：
A kind of orthopaedics replacement and fixation frame, two fixed bottoms are respectively hinged at two fixed underpans, in addition to two ends
Its effective length on disk adjustably root support bar, each support bar and two fixed underpans are angled, the branch
Strut includes connecting rod, and the two ends of the connecting rod are with external screw thread, the left end of the connecting rod and with female pressure
Cap, which coordinates, to be arranged on a ball pivot on the left end of the connecting rod, and the right-hand member of the connecting rod is provided with a floating installation, the company
Another ball pivot is arranged on the floating bushing of the floating installation by the right-hand member of extension bar with coordinating with female locking cap, described
Locking cap is provided with a lock-screw, and the lock-screw can keep out the locking that the floating bushing is realized on the floating bushing.
Further, the floating installation also includes screw rod and torsion spring, and the screw rod is fixedly connected on the connecting rod
On right side, the guide block on the floating bushing inwall is moved along the helicla flute being located on the outer peripheral face of the screw rod, described
Torsion spring is set on the screw rod, and the two ends of the torsion spring are fixedly connected with the connecting rod and floating bushing respectively.
Further, the screw rod is coaxially disposed with the connecting rod.
Further, the periphery of the floating bushing is provided with an annular groove, and the front end of the lock-screw can extend into institute
State in annular groove.
Further, the outer face of the floating bushing is provided with a taper enlarging, and the taper enlarging passes through an elongated hole
Communicated with the inner chamber of the floating bushing, the taper enlarging is kept out on the outer peripheral face of the bulb of corresponding ball pivot.
Further, the end face of the locking cap is provided with a through hole, and the edge of the inner opening of the through hole is provided with one
Sphere enlarging, the sphere enlarging coordinates with the outer peripheral face of the bulb of corresponding ball pivot.
It can be seen from above-mentioned technical scheme that, it is an advantage of the invention that：Simple to operate, safety in utilization is good, fixed
Level is true, fixation is reliable.
In addition to objects, features and advantages described above, the present invention also has other objects, features and advantages.
Below with reference to figure, the present invention is further detailed explanation.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.In the accompanying drawings：
Fig. 1 is the dimensional structure diagram of the present invention.
Fig. 2 is the half-section diagram of the support bar of the present invention.
Fig. 3 is that the local of the support bar of the present invention splits schematic diagram.
Marked in figure：Fixed underpan 1, mounting hole 11, support bar 2, connecting rod 211, screw rod 212, pockets 213,
Helicla flute 214, pressure cap 22, ball pivot 23, bulb 231, stud 232, block 233, nut 24, floating bushing 25, taper enlarging 251,
Elongated hole 252, guide block 253, annular groove 254, locking cap 26, through hole 261, sphere enlarging 262, tapped through hole 263, torsion spring 27,
Lock-screw 28.
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 is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Embodiment 1
Referring to figs. 1 to Fig. 3, a kind of orthopaedics replacement and fixation frame as shown in Figure 1, with two fixed underpans 1 and two ends
Be respectively hinged at its effective length on two fixed underpans 1 adjustably 3 support bars 2, each support bar 2 and two it is solid
Determine chassis 1 angled, wherein, the fixed underpan 1 is provided with several mounting holes 11.
As shown in Figures 2 and 3, the support bar 2 includes connecting rod 211, and the two ends of the connecting rod 211 carry outer spiral shell
One ball pivot 23 is mounted on the connecting rod by line, the left end of the connecting rod 211 with coordinating with female pressure cap 22
In pockets 213 on 211 left side, the right-hand member of the connecting rod 211 is provided with a floating installation, the connecting rod 211
Right-hand member with female locking cap 26 coordinate by another ball pivot 23 be arranged on the floating installation floating bushing 25 on, position
In one lock-screw 28 of connection in the tapped through hole 263 on the side wall of the locking cap 26, the front end of the lock-screw 28 can
The locking that the floating bushing 25 is realized on the floating bushing 25 is kept out, wherein, the periphery of the floating bushing 25 is provided with a ring
Shape groove 254, the front end of the lock-screw 28 can be extend into the annular groove 254.
The floating installation also includes screw rod 212 and torsion spring 27, and the screw rod 212 is fixedly connected on the connecting rod 211
Right side on, and the screw rod 212 is coaxially disposed with the connecting rod 211, the guide block on the inwall of floating bushing 25
253 are moved along the helicla flute 214 being located on the outer peripheral face of the screw rod 212, and the torsion spring 27 is set on the screw rod 212,
The two ends of the torsion spring 27 are fixedly connected with the connecting rod 211 and floating bushing 25 respectively.
The ball pivot 23 includes bulb 231, the stud 232 being connected on the periphery of the bulb 231 and fixation and is set in
Block 233 on the stud 232, left between the end face of the block 233 and the outer peripheral face of the bulb 231 it is certain between
Gap, the cantilever end of the stud 232 is fixedly connected through the mounting hole 11 with a nut 24, and the fixed underpan 1 is fixed on
Between the block 233 and the nut 24.
The outer face of the floating bushing 25 is provided with a taper enlarging 251, and the taper enlarging 251 passes through an elongated hole
252 are communicated with the inner chamber of the floating bushing 25, and the taper enlarging 251 is kept out in the periphery of the bulb 231 of corresponding ball pivot 23
On face；The end face of the locking cap 26 is provided with a through hole 261, and the edge of the inner opening of the through hole 261 is provided with a sphere
Enlarging 262, the sphere enlarging 262 coordinates with the outer peripheral face of the bulb 231 of corresponding ball pivot 23.It is described using said structure
Ball pivot 23 can be realized self-positioning.
During regulation, the front end of the lock-screw 28 of two adjacent support bars 2 is retracted to the tapped through hole 263
The floating bushing 25 is inside set to affranchise, when then the locking cap 26 of manual rotation one makes the shortening of support bar 2, the floating bushing
25 is spiral close to the connecting rod 211, and the torsion spring 27 is deformed, and the locking cap 26 of manual rotation one stretches the support bar 2
When long, the torsion spring 27 resets, and the floating bushing 25 is spiral away from the connecting rod 211, due to another support bar 2 loosened
Block 233 end face and the outer peripheral face of the bulb 231 between leave certain gap and 27 pairs of corresponding torsion spring is described floating
Dynamic set 25 has certain precompression the support bar 2 is had certain adjustable extent and is maintained certain support force, makes
Regulation process is simple, and will not occurring the support bar 2 shortening suddenly because of maloperation, extruding occur causes secondary damage too much, makes
Operating process is simple and convenient, and safety in utilization is good, and fine setting can be realized in use, makes positioning more accurate, and regulation is completed
Locked afterwards using 28 pairs of the lock-screw floating bushing 25, make stable connection reliable.
Embodiment 2
Referring to figs. 1 to Fig. 3, a kind of orthopaedics replacement and fixation frame as shown in Figure 1, with two fixed underpans 1 and two ends
Be respectively hinged at its effective length on two fixed underpans 1 adjustably 3 support bars 2, each support bar 2 and two it is solid
Determine chassis 1 angled, wherein, the fixed underpan 1 is provided with several mounting holes 11.
As shown in Figures 2 and 3, the support bar 2 includes connecting rod 211, and the two ends of the connecting rod 211 carry outer spiral shell
One ball pivot 23 is mounted on the connecting rod by line, the left end of the connecting rod 211 with coordinating with female pressure cap 22
In pockets 213 on 211 left side, the right-hand member of the connecting rod 211 is provided with a floating installation, the connecting rod 211
Right-hand member with female locking cap 26 coordinate by another ball pivot 23 be arranged on the floating installation floating bushing 25 on, position
In one lock-screw 28 of connection in the tapped through hole 263 on the side wall of the locking cap 26, the front end of the lock-screw 28 can
The locking that the floating bushing 25 is realized on the floating bushing 25 is kept out, wherein, the periphery of the floating bushing 25 is provided with a ring
Shape groove 254, the front end of the lock-screw 28 can be extend into the annular groove 254.
The floating installation also includes guide rod and spring, and the guide rod is fixedly connected on the right side of the connecting rod 211
On, and the guide rod is coaxially disposed with the connecting rod 211, the floating bushing 25 and spring are set on the guide rod, institute
Spring is stated to be fixedly connected with floating bushing 25 positioned at the connecting rod 211.
The ball pivot 23 includes bulb 231, the stud 232 being connected on the periphery of the bulb 231 and fixation and is set in
Block 233 on the stud 232, left between the end face of the block 233 and the outer peripheral face of the bulb 231 it is certain between
Gap, the cantilever end of the stud 232 is fixedly connected through the mounting hole 11 with a nut 24, and the fixed underpan 1 is fixed on
Between the block 233 and the nut 24.
The outer face of the floating bushing 25 is provided with a taper enlarging 251, and the taper enlarging 251 passes through an elongated hole
252 are communicated with the inner chamber of the floating bushing 25, and the taper enlarging 251 is kept out in the periphery of the bulb 231 of corresponding ball pivot 23
On face；The end face of the locking cap 26 is provided with a through hole 261, and the edge of the inner opening of the through hole 261 is provided with a sphere
Enlarging 262, the sphere enlarging 262 coordinates with the outer peripheral face of the bulb 231 of corresponding ball pivot 23.It is described using said structure
Ball pivot 23 can be realized self-positioning.
During regulation, the front end of the lock-screw 28 of two adjacent support bars 2 is retracted to the tapped through hole 263
The floating bushing 25 is inside set to affranchise, when then the locking cap 26 of manual rotation one makes the shortening of support bar 2, the floating bushing
25 move close to the connecting rod 211 along the guide rod, and the camber of spring, the locking cap 26 of manual rotation one makes the support
When bar 2 extends, the spring reset, the floating bushing 25 moves away from the connecting rod 211 along the guide rod, is put due to another
Certain gap and corresponding spring are left between the end face and the outer peripheral face of the bulb 231 of the block 233 of the support bar 2 of pine
There is certain precompression to make the support bar 2 that there is certain adjustable extent and certain branch is maintained to the floating bushing 25
Support force, makes regulation process simple, and will not occurring the support bar 2 shortening suddenly because of maloperation, extruding occur causes secondary too much
Damage, makes operating process simple and convenient, and safety in utilization is good, and fine setting can be realized in use, makes positioning more accurate, adjusts
Locked after the completion of section using 28 pairs of the lock-screw floating bushing 25, make stable connection reliable.
The preferred embodiments of the present invention are these are only, are not intended to limit the invention, for those skilled in the art
For member, the present invention can have various modifications and variations.Any modification within the spirit and principles of the invention, being made,
Equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (6)
1. a kind of orthopaedics replacement and fixation frame, with two fixed underpans (1), it is characterised in that be also respectively articulated with including two ends
Its effective length on two fixed underpans (1) adjustably 3 support bars (2), each support bar (2) and two fixations
Chassis (1) is angled, and the support bar (2) includes connecting rod (211), and the two ends of the connecting rod (211) are with outer
One ball pivot (23) is arranged on the company by screw thread, the left end of the connecting rod (211) with coordinating with female pressure cap (22)
On the left end of extension bar (211), the right-hand member of the connecting rod (211) is provided with a floating installation, the right-hand member of the connecting rod (211) with
Coordinate with female locking cap (26) and be arranged on another ball pivot (23) on the floating bushing (25) of the floating installation, it is described
Locking cap (26) is provided with a lock-screw (28), and the lock-screw (28) can keep out realizes institute on the floating bushing (25)
State the locking of floating bushing (25).
2. orthopaedics according to claim 1 replacement and fixation frame, it is characterised in that the floating installation also includes screw rod
(212) and torsion spring (27), the screw rod (212) is fixedly connected on the right side of the connecting rod (211), is floated positioned at described
The guide block (253) covered on (25) inwall is mobile along the helicla flute (214) being located on the outer peripheral face of the screw rod (212), described to turn round
Spring (27) is set on the screw rod (212), the two ends of the torsion spring (27) respectively with the connecting rod (211) and floating bushing
(25) it is fixedly connected.
3. orthopaedics according to claim 2 replacement and fixation frame, it is characterised in that the screw rod (212) and the connection
Bar (211) is coaxially disposed.
4. orthopaedics according to claim 1 replacement and fixation frame, it is characterised in that set on the periphery of the floating bushing (25)
There is an annular groove (254), the front end of the lock-screw (28) can be extend into the annular groove (254).
5. orthopaedics according to claim 1 replacement and fixation frame, it is characterised in that on the outer face of the floating bushing (25)
The inner chamber for passing through an elongated hole (252) and the floating bushing (25) provided with a taper enlarging (251), the taper enlarging (251)
Communicate, the taper enlarging (251) is kept out on the outer peripheral face of the bulb (231) of corresponding ball pivot (23).
6. orthopaedics according to claim 1 replacement and fixation frame, it is characterised in that set on the end face of the locking cap (26)
There is a through hole (261), the edge of the inner opening of the through hole (261) is provided with a sphere enlarging (262), the sphere enlarging
(262) coordinate with the outer peripheral face of the bulb (231) of corresponding ball pivot (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710560557.4A CN107260274B (en) | 2017-07-11 | 2017-07-11 | A kind of orthopaedics replacement and fixation frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710560557.4A CN107260274B (en) | 2017-07-11 | 2017-07-11 | A kind of orthopaedics replacement and fixation frame |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107260274A true CN107260274A (en) | 2017-10-20 |
| CN107260274B CN107260274B (en) | 2019-07-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710560557.4A Active CN107260274B (en) | 2017-07-11 | 2017-07-11 | A kind of orthopaedics replacement and fixation frame |
Country Status (1)
| Country | Link |
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| CN (1) | CN107260274B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107811688A (en) * | 2017-11-30 | 2018-03-20 | 武汉恒鑫康得科技有限公司 | A kind of board-like exterior fixing rack for trauma fracture treatment |
| CN108478266A (en) * | 2018-03-26 | 2018-09-04 | 天津大学 | Three branch parallel connection Orthopaedic external fixator of free linking |
| CN109077786A (en) * | 2018-08-03 | 2018-12-25 | 天津大学 | Three branch parallel connection exterior fixing rack of holohedral symmetry |
| CN110013295A (en) * | 2019-05-15 | 2019-07-16 | 柴益民 | A kind of exterior fixing rack promoting bone uptake |
| CN113510733A (en) * | 2021-07-28 | 2021-10-19 | 南京航空航天大学 | Flange connecting device applied to mechanical arm and end effector thereof |
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| US20130296857A1 (en) * | 2012-05-04 | 2013-11-07 | Gary D. Barnett | Ratcheting strut |
| US20140046326A1 (en) * | 2010-02-24 | 2014-02-13 | Wright Medical Technology, Inc. | Orthopedic external fixation device |
| CN105796296A (en) * | 2016-05-18 | 2016-07-27 | 虞田乐 | Intelligent armpit massage device based on Stewart parallel mechanisms |
| US9463045B2 (en) * | 2013-03-15 | 2016-10-11 | Biomet Manufacturing, Llc | Polyaxial pivot housing for external fixation system |
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| CN201592434U (en) * | 2010-01-27 | 2010-09-29 | 安徽工程科技学院 | Novel six-degree freedom parallel robot device |
| US20140046326A1 (en) * | 2010-02-24 | 2014-02-13 | Wright Medical Technology, Inc. | Orthopedic external fixation device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107811688A (en) * | 2017-11-30 | 2018-03-20 | 武汉恒鑫康得科技有限公司 | A kind of board-like exterior fixing rack for trauma fracture treatment |
| CN107811688B (en) * | 2017-11-30 | 2024-04-16 | 武汉恒鑫康得科技有限公司 | Plate-type external fixing support for fracture wound treatment |
| CN108478266A (en) * | 2018-03-26 | 2018-09-04 | 天津大学 | Three branch parallel connection Orthopaedic external fixator of free linking |
| CN108478266B (en) * | 2018-03-26 | 2020-11-06 | 天津大学 | Freely-connected three-branch-chain parallel orthopedic external fixation support |
| CN109077786A (en) * | 2018-08-03 | 2018-12-25 | 天津大学 | Three branch parallel connection exterior fixing rack of holohedral symmetry |
| CN110013295A (en) * | 2019-05-15 | 2019-07-16 | 柴益民 | A kind of exterior fixing rack promoting bone uptake |
| CN113510733A (en) * | 2021-07-28 | 2021-10-19 | 南京航空航天大学 | Flange connecting device applied to mechanical arm and end effector thereof |
| CN113510733B (en) * | 2021-07-28 | 2022-02-01 | 南京航空航天大学 | Flange connecting device applied to mechanical arm and end effector thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107260274B (en) | 2019-07-12 |
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