CN107260274B - A kind of orthopaedics replacement and fixation frame - Google Patents
A kind of orthopaedics replacement and fixation frame Download PDFInfo
- Publication number
- CN107260274B CN107260274B CN201710560557.4A CN201710560557A CN107260274B CN 107260274 B CN107260274 B CN 107260274B CN 201710560557 A CN201710560557 A CN 201710560557A CN 107260274 B CN107260274 B CN 107260274B
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- connecting rod
- floating bushing
- screw
- rod
- floating
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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 framves, there are two fixed underpans for tool, the adjustably root support rod of its effective length on two fixed underpans is respectively hinged at both ends, each support rod and two fixed underpans are angled, support rod includes connecting rod, the both ends of connecting rod have external screw thread, one flexural pivot is mounted on the left end of connecting rod by the left end of connecting rod with the cooperation of internal thread pressure cap, the right end of connecting rod is equipped with a floating installation, another flexural pivot is mounted on the floating bushing of floating installation by the right end of connecting rod with the cooperation of internal thread locking cap, locking cap is equipped with a lock-screw, lock-screw can keep out the locking that the floating bushing is realized on floating bushing.Operation of the present invention is simple and convenient, safety in utilization is good, accurate positioning, fixation are reliable.
Description
Technical field
The present invention relates to the field of medical instrument technology, and in particular to a kind of orthopaedics replacement and fixation frame.
Background technique
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
To restore the continuity of bone and the function of backbone, the bone of bone split or fracture heals new definition in misalignment position, will cause bone
Malunion skeleton development dislocation and caused by acquired deformity.
Chinese patent CN201210547836.4 discloses a kind of orthopaedics replacement and fixation frame, belongs to clinical synthetism medical treatment
Equipment technology field, it is adjustable that it has the effective length being respectively hinged on two fixed underpans there are two fixed underpan and 6 both ends
Support rod, every support rod is made of casing and the slide bar that is inserted into casing, and casing and slide bar are respectively mounted on by flexural pivot
On fixed underpan.Support rod of the invention utilizes slide bar telescopic adjustment, and the active movement of support rod is changed to by chassis drive
Passive movement, can align that need to carry out compression extension, left and right angulation, front and back angulation, left and right translation, front and back flat according to bone stump
Six movements such as shifting, rotation, accurate positioning is easy to operate, applied widely.Due to every support rod and two fixed underpans
Between using rigid connection, needing to unscrew simultaneously 4 support rods during the adjustment just can be adjusted, and in relaxation state
Support rod completely lose support function, secondary damage will be caused to affected part if there is faulty operation, to medical worker's
It is high to operate level requirement.
Summary of the invention
In view of the above-mentioned problems, the present invention provides, one kind is simple to operate, safety in utilization is good, accurate positioning, fix tightly
Gu reliable orthopaedics replacement and fixation frame.
To achieve the above object, the invention provides the following technical scheme:
A kind of orthopaedics replacement and fixation frame, it further includes that both ends are respectively hinged at two fixed bottoms that there are two fixed underpans for tool
Its effective length on disk adjustably root support rod, each support rod and two fixed underpans are angled, the branch
Strut includes connecting rod, and the both ends of the connecting rod have an external screw thread, the left end of the connecting rod with internal thread pressure
One flexural pivot is mounted on the left end of the connecting rod by cap cooperation, and the right end of the connecting rod is equipped with a floating installation, the company
Another flexural pivot is mounted on the floating bushing of the floating installation by the right end of extension bar with the cooperation of internal thread locking cap, described
Locking cap is equipped 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 further includes screw rod and torsional spring, and the screw rod is fixedly connected on the connecting rod
On right side, helicla flute of the guide block on the outer peripheral surface for being located at the screw rod on the floating bushing inner wall is moved, described
Torsional spring is set on the screw rod, and the both ends of the torsional spring are fixedly connected with the connecting rod and floating bushing respectively.
Further, the screw rod and the connecting rod are coaxially disposed.
Further, the periphery of the floating bushing is equipped with an annular groove, and the front end of the lock-screw can extend into institute
It states in annular groove.
Further, the outer end face of the floating bushing is flared equipped with a taper, and the taper flaring passes through an elongated hole
It is communicated with the inner cavity of the floating bushing, the taper flaring is kept out on the outer peripheral surface of the bulb of corresponding flexural pivot.
Further, the end face of the locking cap is equipped with a through-hole, and the edge of the inner opening of the through-hole is equipped with one
Spherical surface flaring, the spherical surface flaring cooperate with the outer peripheral surface of the bulb of corresponding flexural pivot.
It can be seen from the above technical scheme that the invention has the advantages that it is simple to operate, safety in utilization is good, fixed
Level is true, fixation is reliable.
Other than objects, features and advantages described above, there are also other objects, features and advantages by the present invention.
Below with reference to figure, the present invention is described in further detail.
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
It obtains other drawings based on these drawings.In the accompanying drawings:
Fig. 1 is schematic perspective view of the invention.
Fig. 2 is the half-section diagram of support rod of the invention.
Fig. 3 is that the part of support rod of the invention splits schematic diagram.
In the figure, it is marked as fixed underpan 1, mounting hole 11, support rod 2, connecting rod 211, screw rod 212, pockets 213,
Helicla flute 214, pressure cap 22, flexural pivot 23, bulb 231, stud 232, block 233, nut 24, floating bushing 25, taper flaring 251,
Elongated hole 252, guide block 253, annular groove 254, locking cap 26, through-hole 261, spherical surface flaring 262, tapped through hole 263, torsional spring 27,
Lock-screw 28.
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 embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1
Referring to figs. 1 to Fig. 3, a kind of orthopaedics replacement and fixation frame as shown in Figure 1, there are two fixed underpan 1 and both ends for tool
Be respectively hinged at its effective length on two fixed underpans 1 adjustably 3 support rods 2, each support rod 2 and two it is solid
It is angled to determine chassis 1, wherein the fixed underpan 1 is equipped with several mounting holes 11.
As shown in Figures 2 and 3, the support rod 2 includes connecting rod 211, and the both ends of the connecting rod 211 have outer spiral shell
One flexural pivot 23 is mounted on the connecting rod with the cooperation of internal thread pressure cap 22 by line, the left end of the connecting rod 211
In pockets 213 on 211 left side, the right end of the connecting rod 211 is equipped with a floating installation, the connecting rod 211
Right end another flexural pivot 23 is mounted on the floating bushing 25 of the floating installation with cooperating with internal thread locking cap 26, position
In connecting a lock-screw 28 in the tapped through hole 263 on the side wall of the locking cap 26, the front end of the lock-screw 28 can
Keep out the locking that the floating bushing 25 is realized on the floating bushing 25, wherein the periphery of the floating bushing 25 is equipped with a ring
Shape slot 254, the front end of the lock-screw 28 can be extend into the annular groove 254.
The floating installation further includes screw rod 212 and torsional spring 27, and the screw rod 212 is fixedly connected on the connecting rod 211
Right side on, and the screw rod 212 and the connecting rod 211 are coaxially disposed, the guide block on 25 inner wall of floating bushing
253 helicla flute 214 on the outer peripheral surface for being located at the screw rod 212 moves, and the torsional spring 27 is set on the screw rod 212,
The both ends of the torsional spring 27 are fixedly connected with the connecting rod 211 and floating bushing 25 respectively.
The flexural pivot 23 includes that bulb 231, the stud 232 being connected on the periphery of the bulb 231 and fixation are set in
Block 233 on the stud 232, there are between certain between the end face of the block 233 and the outer peripheral surface of the bulb 231
Gap, the cantilever end of the stud 232 pass through the mounting hole 11 and are fixedly connected with a nut 24, and the fixed underpan 1 is fixed on
Between the block 233 and the nut 24.
The outer end face of the floating bushing 25 is equipped with taper flaring 251, and the taper flaring 251 passes through an elongated hole
252 communicate with the inner cavity of the floating bushing 25, and the taper flaring 251 is kept out in the periphery of the bulb 231 of corresponding flexural pivot 23
On face；The end face of the locking cap 26 is equipped with a through-hole 261, and the edge of the inner opening of the through-hole 261 is equipped with a spherical surface
Flaring 262, the spherical surface flaring 262 cooperate with the outer peripheral surface of the bulb 231 of corresponding flexural pivot 23.Using the above structure, described
Flexural pivot 23 can be realized self-positioning.
In adjustment process, the front end of the lock-screw 28 of two adjacent support rods 2 is retracted to the tapped through hole 263
The floating bushing 25 is inside set to affranchise, when then can be manually rotated a locking cap 26 shortens the support rod 2, the floating bushing
25 is spirally close to the connecting rod 211, and the torsional spring 27 deforms, and can be manually rotated a locking cap 26 stretches the support rod 2
When long, the torsional spring 27 resets, and the floating bushing 25 is spiral far from the connecting rod 211, due to another support rod 2 loosened
Block 233 end face and the outer peripheral surface of the bulb 231 between there are certain gap and corresponding torsional springs 27 to described floating
Dynamic set 25 has certain precompression that the support rod 2 is made to have certain adjustable extent and maintains certain support force, makes
Adjustment process is simple, will not occur the shortening suddenly of support rod 2 because of maloperation and occur squeezing too much causing secondary damage, make
Operating process is simple and convenient, and safety in utilization is good, can realize fine tuning in use, makes to position more acurrate, adjusting completion
The floating bushing 25 is locked using the lock-screw 28 afterwards, keeps 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, there are two fixed underpan 1 and both ends for tool
Be respectively hinged at its effective length on two fixed underpans 1 adjustably 3 support rods 2, each support rod 2 and two it is solid
It is angled to determine chassis 1, wherein the fixed underpan 1 is equipped with several mounting holes 11.
As shown in Figures 2 and 3, the support rod 2 includes connecting rod 211, and the both ends of the connecting rod 211 have outer spiral shell
One flexural pivot 23 is mounted on the connecting rod with the cooperation of internal thread pressure cap 22 by line, the left end of the connecting rod 211
In pockets 213 on 211 left side, the right end of the connecting rod 211 is equipped with a floating installation, the connecting rod 211
Right end another flexural pivot 23 is mounted on the floating bushing 25 of the floating installation with cooperating with internal thread locking cap 26, position
In connecting a lock-screw 28 in the tapped through hole 263 on the side wall of the locking cap 26, the front end of the lock-screw 28 can
Keep out the locking that the floating bushing 25 is realized on the floating bushing 25, wherein the periphery of the floating bushing 25 is equipped with a ring
Shape slot 254, the front end of the lock-screw 28 can be extend into the annular groove 254.
The floating installation further 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 and the connecting rod 211 are coaxially disposed, the floating bushing 25 and spring are set on the guide rod, institute
It states spring and is located at the connecting rod 211 and be fixedly connected with floating bushing 25.
The flexural pivot 23 includes that bulb 231, the stud 232 being connected on the periphery of the bulb 231 and fixation are set in
Block 233 on the stud 232, there are between certain between the end face of the block 233 and the outer peripheral surface of the bulb 231
Gap, the cantilever end of the stud 232 pass through the mounting hole 11 and are fixedly connected with a nut 24, and the fixed underpan 1 is fixed on
Between the block 233 and the nut 24.
The outer end face of the floating bushing 25 is equipped with taper flaring 251, and the taper flaring 251 passes through an elongated hole
252 communicate with the inner cavity of the floating bushing 25, and the taper flaring 251 is kept out in the periphery of the bulb 231 of corresponding flexural pivot 23
On face；The end face of the locking cap 26 is equipped with a through-hole 261, and the edge of the inner opening of the through-hole 261 is equipped with a spherical surface
Flaring 262, the spherical surface flaring 262 cooperate with the outer peripheral surface of the bulb 231 of corresponding flexural pivot 23.Using the above structure, described
Flexural pivot 23 can be realized self-positioning.
In adjustment process, the front end of the lock-screw 28 of two adjacent support rods 2 is retracted to the tapped through hole 263
The floating bushing 25 is inside set to affranchise, when then can be manually rotated a locking cap 26 shortens the support rod 2, the floating bushing
25 move, the camber of spring close to the connecting rod 211 along the guide rod, and can be manually rotated a locking cap 26 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
There are certain gaps and corresponding spring between the end face and the outer peripheral surface of the bulb 231 of the block 233 of the support rod 2 of pine
There is certain precompression to make the support rod 2 that there is certain adjustable extent the floating bushing 25 and maintains certain branch
Support force keeps adjustment process simple, will not cause because of the maloperation appearance too many appearance extruding of the shortening suddenly of support rod 2 secondary
Damage, keeps operating process simple and convenient, and safety in utilization is good, can realize fine tuning in use, makes to position more acurrate, tune
The floating bushing 25 is locked using the lock-screw 28 after the completion of section, keeps stable connection reliable.
These are only the preferred embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any modification,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (5)
1. a kind of orthopaedics replacement and fixation frame, there are two fixed underpan (1) for tool, which is characterized in that further includes that both ends are respectively articulated with
Its effective length on two fixed underpans (1) adjustably 3 support rods (2), each support rod (2) and two fixations
Chassis (1) is angled, and the support rod (2) includes connecting rod (211), and the both ends of the connecting rod (211) have outer
One flexural pivot (23) is mounted on the company with internal thread pressure cap (22) cooperation by screw thread, the left end of the connecting rod (211)
On the left end of extension bar (211), the right end of the connecting rod (211) is equipped with a floating installation, and the floating installation includes screw rod
(212), floating bushing (25) and torsional spring (27), the right end of the connecting rod (211) cooperate with internal thread locking cap (26)
Another flexural pivot (23) is mounted on the floating bushing (25), the screw rod (212) is fixedly connected on the connecting rod (211)
On right side, it is located at spiral shell of the guide block (253) on the floating bushing (25) inner wall on the outer peripheral surface for being located at the screw rod (212)
Spin slot (214) is mobile, and the torsional spring (27) is set on the screw rod (212), the both ends of the torsional spring (27) respectively with it is described
Connecting rod (211) is fixedly connected with floating bushing (25), and the locking cap (26) is equipped with a lock-screw (28), the locking screw
Nail (28) can keep out the locking that the floating bushing (25) are realized on the floating bushing (25).
2. orthopaedics according to claim 1 replacement and fixation frame, which is characterized in that the screw rod (212) and the connection
Bar (211) coaxial arrangement.
3. orthopaedics according to claim 1 replacement and fixation frame, which is characterized in that set on the periphery of the floating bushing (25)
Have an annular groove (254), the front end of the lock-screw (28) can be extend into the annular groove (254).
4. orthopaedics according to claim 1 replacement and fixation frame, which is characterized in that on the outer end face of the floating bushing (25)
(251) are flared equipped with a taper, the taper flaring (251) passes through the inner cavity of an elongated hole (252) and the floating bushing (25)
It communicates, the taper flaring (251) is kept out on the outer peripheral surface of the bulb (231) of corresponding flexural pivot (23).
5. orthopaedics according to claim 1 replacement and fixation frame, which is characterized in that set on the end face of the locking cap (26)
Have a through-hole (261), the edge of the inner opening of the through-hole (261) is equipped with spherical surface flaring (262), the spherical surface flaring
(262) cooperate with the outer peripheral surface of the bulb (231) of corresponding flexural 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 CN107260274A (en) | 2017-10-20 |
| CN107260274B true CN107260274B (en) | 2019-07-12 |
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| 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 |
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| CN (1) | CN107260274B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN108478266B (en) * | 2018-03-26 | 2020-11-06 | 天津大学 | Freely-connected three-branch-chain parallel orthopedic external fixation support |
| CN109077786B (en) * | 2018-08-03 | 2020-10-30 | 天津大学 | Full-symmetry three-branch-chain parallel external fixing support |
| CN110013295A (en) * | 2019-05-15 | 2019-07-16 | 柴益民 | A kind of exterior fixing rack promoting bone uptake |
| 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 |
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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 |
| CN202235624U (en) * | 2011-05-27 | 2012-05-30 | 浙江神腾康慈生物医药科技有限公司 | Combined type external fixed support system |
| CN103040507A (en) * | 2012-12-11 | 2013-04-17 | 山东航维骨科医疗器械股份有限公司 | Reset fixing frame for orthopedics |
| 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 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8257353B2 (en) * | 2010-02-24 | 2012-09-04 | Wright Medical Technology, Inc. | Orthopedic external fixation device |
| US9474552B2 (en) * | 2012-05-04 | 2016-10-25 | Biomet Manufacturing, Llc | Ratcheting strut |
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2017
- 2017-07-11 CN CN201710560557.4A patent/CN107260274B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201592434U (en) * | 2010-01-27 | 2010-09-29 | 安徽工程科技学院 | Novel six-degree freedom parallel robot device |
| CN202235624U (en) * | 2011-05-27 | 2012-05-30 | 浙江神腾康慈生物医药科技有限公司 | Combined type external fixed support system |
| CN103040507A (en) * | 2012-12-11 | 2013-04-17 | 山东航维骨科医疗器械股份有限公司 | Reset fixing frame for orthopedics |
| US9463045B2 (en) * | 2013-03-15 | 2016-10-11 | Biomet Manufacturing, Llc | Polyaxial pivot housing for external fixation system |
| CN105796296A (en) * | 2016-05-18 | 2016-07-27 | 虞田乐 | Intelligent armpit massage device based on Stewart parallel mechanisms |
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| Publication number | Publication date |
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| CN107260274A (en) | 2017-10-20 |
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