CN201624764U - Orthopedic external fixing device - Google Patents
Orthopedic external fixing device Download PDFInfo
- Publication number
- CN201624764U CN201624764U CN2010201034445U CN201020103444U CN201624764U CN 201624764 U CN201624764 U CN 201624764U CN 2010201034445 U CN2010201034445 U CN 2010201034445U CN 201020103444 U CN201020103444 U CN 201020103444U CN 201624764 U CN201624764 U CN 201624764U
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- China
- Prior art keywords
- needle
- pin type
- type joint
- end cross
- housing
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- Expired - Fee Related
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Abstract
The utility model discloses an orthopedic external fixing device, which comprises a double-end universal joint, a needle clamping device and a needle fixedly arranged on the needle clamping device. Besides, locking mechanisms are arranged at the positions of two bulbs of the double-end universal joint. The orthopedic external fixing device is characterized in that the needle clamping device is movably arranged on a casing of the double-end universal joint, and the needle clamping device includes an external member and a clamping device, wherein the external member is used for moving on the casing, and the clamping device arranged on the external member is used for clamping the needle. The orthopedic external fixing device with simple structure and convenient use can adjust angles and distances according to needs, has wide adjustment range, and can improve stability and reliability, thereby enhancing treatment effect.
Description
Technical field
This utility model relates to technical field of medical instruments, specifically a kind of bone external fixer.
Background technology
At present, the external fixation of the usefulness that resets after traditional fracture generally has plaster splint external fixation method and open reduction to add inner fixed law, occurred the fixation of fracture that a kind of external and internal fixation combines now, had advantages such as easy, little, the good stability of damage because of it and be widely used.But this external fixer, generally can't elasticity adjust its fixed position, i.e. being restricted between two groups of needle bodies apart from adjusting range, because angle, position that needle body can be adjusted are limited, thereby cause user inconvenience, the optimum position of implant into body skeleton smoothly directly influences the healing effect of skeleton behind the corrective surgery; In addition, owing to after operation, can't not clamp in its default groove location because of needle body etc., and existing external fixator retaining mechanism adopts eccentric shaft locking, like this with the ball bowl bottom face of cross-pin type joint to contact dynamics limited, thereby external fixer gets loose after causing operation to be finished easily, slides easily, and then makes the displacement of affected bone fixture, cause fracture to reset, influence therapeutic effect.
Summary of the invention
It is a kind of simple in structure, easy to use that the purpose of this utility model is to provide, and the angle and distance adjusting range is big, can improve its stability and reliability, thereby improve the bone external fixer of therapeutic effect.
In order to reach above purpose, the technical scheme that this utility model adopted is: this bone external fixer, comprise the both-end cross-pin type joint, press from both sides needle device and be fixedly installed on needle body on the described folder needle device, two bulb places of described both-end cross-pin type joint are equipped with retaining mechanism, it is characterized in that: described folder needle device is movably arranged on the housing of both-end cross-pin type joint, and described folder needle device comprises and is used in the external member that moves on the described housing and is arranged on the clamping device that is used for the clamping needle body on the described external member.
This utility model is also implemented by following measure: described clamping device comprises that can and be arranged on described the adjustment around the adjustment seat of described external member swing is used for the mouth that penetrates that described needle body penetrates on the seat, and described adjustment seat is provided with the clamp device that is used for fixing described needle body.
Described retaining mechanism comprises the trapezoidal chamber that constitutes with the ball bowl bottom that is the inclined-plane in the housing that is arranged on described both-end cross-pin type joint and is arranged on the slide block of described trapezoidal intracavity and is detachably connected on the screw that is used to lock described slide block on the housing of described both-end cross-pin type joint.
The beneficial effects of the utility model are: by activity on the housing of both-end cross-pin type joint the folder needle device is set, can adjust the position at folder needle device place like this, thereby convenient location and fixing, because the folder needle device comprises and is used in the external member that moves on the described housing and is arranged on the clamping device that is used for the clamping needle body on the described external member, combining by external member and clamping device like this to make external member move on the housing of both-end cross-pin type joint, thereby conveniently fracture site is positioned and fixes, promptly can meet the skeleton structure in this way and fully adjust needle body, make it be in the optimum position, thereby eliminate the rotation that is unfavorable for union of fracture, external force such as shearing, make the relatively stable location of fracture end, for better condition is created in the healing of fracture, the adjusting range and the stationarity of needle body have been increased substantially, thereby prevent reduction of the fracture difficulty that causes because of displacement etc., improved therapeutic effect.This utility model is simple in structure, and is easy to use, and the angle and distance adjusting range is big, can improve stability and reliability, thereby improved therapeutic effect.
Description of drawings
Fig. 1 is a structure partial cross-sectional schematic of the present utility model;
Among the figure: 1. both-end cross-pin type joint; 2. needle body; 3. housing; 4. ball bowl; 5. trapezoidal chamber; 6. slide block; 7. screw; 8. external member; 9. adjust seat; 10. penetrate mouth.
The specific embodiment
Make this utility model with reference to accompanying drawing 1.This bone external fixer, comprise both-end cross-pin type joint 1, folder needle device, be fixedly installed on needle body 2 and retaining mechanism on the folder needle device, wherein, both-end cross-pin type joint 1 is by connector two bulbs to be formed by connecting, and is respectively arranged with retaining mechanism on the bulb of the cross-pin type joint of every end.
The bulb of described both-end cross-pin type joint 1 places the ball bowl 4 in the housing 3 of both-end cross-pin type joint 1, retaining mechanism adopts the thread slider structure, be that retaining mechanism comprises trapezoidal chamber 5, slide block 6 and screw 7, wherein, trapezoidal chamber 5 is to constitute by housing 3 that is arranged on both-end cross-pin type joint 1 and ball bowl 4 bottoms that are the inclined-plane, and slide block 6 is arranged in the trapezoidal chamber 5, screw 7 is threaded on the housing 3 of both-end cross-pin type joint and is used for locking slide block 6, when needs fixedly the time, can promote slide block 6 and in trapezoidal chamber 5, move axially by tightening screw 7, thereby extrusion ball bowl 4 reaches the purpose of the bulb of locking both-end cross-pin type joint 1, it is simple in structure, and is easy to use.By with housing 3 respectively around the rotation of two bulbs, thereby can adjust the angle of the housing 3 of both-end cross-pin type joint 1 significantly, therapeutic effect has been improved in convenient location and fixing.
Above-mentioned folder needle device is movably arranged on the housing 3, the folder needle device comprises two, be set in respectively on the housing 3 at both-end universal joint 1 two ends, wherein, the folder needle device comprises external member 8 and clamping device, external member 8 is set on the housing 3 and can moves on housing 3, clamping device is movably arranged on the external member 8, can be used for clamping needle body 2 by clamping device, can conveniently regulate the distance of external member 8 by this structure, thereby convenient distance of regulating needle body 2, be convenient to fixing and the location, and above-mentioned clamping device comprises adjusting seat 9 and being arranged on described the adjustment and penetrates mouthfuls 10 on the seat 9, be rotationally connected with external member 8 by adjusting seat 9, as by bolt etc., make things convenient for needle body 2 to penetrate by penetrating mouth 10, can make adjustment seat 9 around external member 8 swings by this structure, after can adjusting the position of external member 8 as required during use, by regulating the angle of adjusting seat 9, thereby be convenient to according to skeleton structure and the abundant needle body 2 of adjusting, be fixed by clamp device at last, clamp device can be a screw etc., because fixed position the best can be eliminated the rotation that is unfavorable for union of fracture, external force such as shearing make the relatively stable location of fracture end, for better condition is created in the healing of fracture, improve the adjusting range and the stationarity of needle body 2, thereby prevented reduction of the fracture difficulty that causes because of displacement etc., improved therapeutic effect.
This utility model is simple in structure, and is easy to use, adjustable angle and distance as required, and adjusting range is big, can improve stability and reliability, thereby has improved therapeutic effect.
Claims (3)
1. bone external fixer, comprise the both-end cross-pin type joint, press from both sides needle device and be fixedly installed on needle body on the described folder needle device, two bulb places of described both-end cross-pin type joint are equipped with retaining mechanism, it is characterized in that: described folder needle device is movably arranged on the housing of both-end cross-pin type joint, and described folder needle device comprises and is used in the external member that moves on the described housing and is arranged on the clamping device that is used for the clamping needle body on the described external member.
2. bone external fixer according to claim 1, it is characterized in that: described clamping device comprises that can and be arranged on described the adjustment around the adjustment seat of described external member swing is used for the mouth that penetrates that described needle body penetrates on the seat, and described adjustment seat is provided with the clamp device that is used for fixing described needle body.
3. bone external fixer according to claim 1 is characterized in that: described retaining mechanism comprises the trapezoidal chamber that constitutes with the ball bowl bottom that is the inclined-plane in the housing that is arranged on described both-end cross-pin type joint and is arranged on the slide block of described trapezoidal intracavity and is detachably connected on the screw that is used to lock described slide block on the housing of described both-end cross-pin type joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201034445U CN201624764U (en) | 2010-01-29 | 2010-01-29 | Orthopedic external fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201034445U CN201624764U (en) | 2010-01-29 | 2010-01-29 | Orthopedic external fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201624764U true CN201624764U (en) | 2010-11-10 |
Family
ID=43056143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201034445U Expired - Fee Related CN201624764U (en) | 2010-01-29 | 2010-01-29 | Orthopedic external fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201624764U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103750819A (en) * | 2013-12-25 | 2014-04-30 | 浙江凯立特医疗器械有限公司 | Sensor device capable of controlling insertion angle in subcutaneous tissue |
| CN106132358A (en) * | 2014-04-03 | 2016-11-16 | 庆北大学校产学协力团 | Bone pulling device and the reduction of the fracture system including this |
| CN108969027A (en) * | 2018-06-21 | 2018-12-11 | 刘重斌 | A kind of scalpel |
-
2010
- 2010-01-29 CN CN2010201034445U patent/CN201624764U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103750819A (en) * | 2013-12-25 | 2014-04-30 | 浙江凯立特医疗器械有限公司 | Sensor device capable of controlling insertion angle in subcutaneous tissue |
| CN106132358A (en) * | 2014-04-03 | 2016-11-16 | 庆北大学校产学协力团 | Bone pulling device and the reduction of the fracture system including this |
| CN106132358B (en) * | 2014-04-03 | 2019-03-19 | 庆北大学校产学协力团 | Bone pulling device and reduction of the fracture system including this |
| CN108969027A (en) * | 2018-06-21 | 2018-12-11 | 刘重斌 | A kind of scalpel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101110 Termination date: 20110129 |