CN203425011U - External fixator for dynamic and static combined regulation of distal radius fractures - Google Patents
External fixator for dynamic and static combined regulation of distal radius fractures Download PDFInfo
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- CN203425011U CN203425011U CN201320551398.9U CN201320551398U CN203425011U CN 203425011 U CN203425011 U CN 203425011U CN 201320551398 U CN201320551398 U CN 201320551398U CN 203425011 U CN203425011 U CN 203425011U
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- external fixator
- hole arc
- far
- draw point
- arc ring
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Abstract
An external fixator for dynamic and static combined regulation of distal radius fractures is provided with an external fixator frame, a steel needle fixing clamp which is connected to the external fixator frame and steel needles clamped inside the steel needle clamp; the external fixator frame comprises a distal hole arc-shaped ring and a proximal hole arc-shaped ring which are arranged in a parallel mode; the opening directions of the distal hole arc-shaped ring and the proximal hole arc-shaped ring which are provided with a plurality of uniformly distributed holes are identical; a first threaded connection rod is connected to the distal hole arc-shaped ring; the distal hole arc-shaped ring and the proximal hole arc-shaped ring are connected through at least two second threaded connection rods which penetrate the holes; the steel needles are fixedly connected to the distal hole arc-shaped ring, the first threaded connection rod and the second threaded connection rod through the steel needle fixing clamp. The external fixator for dynamic and static combined regulation of the distal radius fracture has the advantages of enabling distal radius fracture reduction to be performed, confirming to anatomy and iatreusiology requirements for the distal radius fractures due to the fact that cross-joint fixation or fracture partial fixation is performed according to different treatment stages and being applied to treatment of various radius fractures particularly to open distal radius fractures or serious comminuted fractures.
Description
Technical field
This utility model relates to a kind of bone surgical operation appliances, particularly a kind of external fixator for the treatment of novel radius far-end fracture.
Background technology
From nineteen forty-four, first Roger Anderson etc. reports with after External Fixator for Treatment of Distal Radius Fracture, various external fixators continue to bring out, as Roger-Anderson external fixator, AO firm static external fixator, Hoffman-II type external fixator and 0rthofix external fixator, and Clyburn external fixator, the new distal radius power type of Shen Yi external fixator etc. all have application.Wherein power type is fixedly in fracture healing process, by unclamping rotary apparatus or removing some assembly, allows carpal joint to increase gradually range of activity, reaches the object of early functional exercise.In order to adapt to the treatment requirement of various complicated traumatic conditions, designed again in recent years one-sided dynamic external fixator and the interim carpal joint external fixator in locking joint, greatly enriched treatment of distal radius fracture art formula.
At present, this series products is conventional Bastiani unilateral external fixator and AO block form external fixator, and still, these external fixators exist following problem:
1, this type of external fixator need to carry out for a long time trans-articular and fixes, and often causes the consequence of draw point malreduction and ankylosis.
2, can not be effectively fixing to syntripsis Rapid Implementation.
Utility model content
The purpose of this utility model is to provide a kind of radius far-end fracture regulation and control external fixator of being association of activity and inertia, and solve the technical problem that occurs ankylosis, malreduction situation in treatment of distal radius fracture process; And solution is carried out effectively fixing problem to syntripsis fast.
For achieving the above object, this utility model adopts following technical scheme:
A kind of radius far-end fracture regulation and control external fixator of being association of activity and inertia, by external fixator support body, be connected to the steel needle fixing clamp on external fixator support body, and the draw point being clipped in steel needle fixing clamp forms, described external fixator support body comprises far-end hole arc ring and the near-end hole arc ring of parallel placement, both opening directions are identical, and be equipped with a plurality of equally distributed holes above, on described far-end hole arc ring, be connected with the first whorl brace rod, between far-end hole arc ring and near-end hole arc ring, by least two the second whorl brace rods through hole, be connected, described far-end hole arc ring, on the first whorl brace rod and the second whorl brace rod, by steel needle fixing clamp, be connected with draw point.
Described the first whorl brace rod is hinged by locking joint device and far-end hole arc ring.
One end of described the second whorl brace rod is hinged by locking joint device and far-end hole arc ring, and the other end is connected with near-end hole arc ring by up-down adjustment nut.
Described steel needle fixing clamp be inclined to one side greatly, little partially, draw point pressure pad and the assembly of draw point pad or the assembly of bar groove connection tube and nut.
The assembly of described bar groove connection tube and nut comprises the bar groove connection tube being enclosed within on the first whorl brace rod, and all there are two nuts at the two ends of described bar groove connection tube, and described draw point is fixed between two nuts at bar groove connection tube two ends.
Described draw point pressure pad is connected with the first whorl brace rod or the second whorl brace rod by up-down adjustment nut with the assembly of draw point pad.
Described draw point pressure pad is connected with far-end hole arc ring by screw rod, up-down adjustment nut with the assembly of draw point pad.
Described draw point is one or more in full pin, threadless half pin and threaded half pin.
Compared with prior art the utlity model has following characteristics and beneficial effect:
This utility model has overcome the shortcoming that traditional external fixer for radius distal fracture easily causes draw point malreduction and ankylosis consequence, has solved and has effectively carried out fast the fixing technical problem of syntripsis.
This utility model is simple in structure, overall structure consists of hole arc ring and whorl brace rod, easy dexterity, meet anatomy requirement, fixing stable, regulation and control are convenient, can realize trans-articular fixes, can implement again fracture local fixing, it is more convenient to use, in this utility model, adopt different steel needle fixing clamps, for comminuted fracture piece, can pass through bar groove connection tube and fixing thin diameter half pin of lower nut on it, diameter range is 1.5～3.0 millimeters, the carrying out of syntripsis effectively fixed, the external fixator that is conducive to remove in early days trans-articular carries out functional training, prevent ankylosis, guarantee the rehabilitation of wrist joint function.Using this utility model to carry out bone fixes outward; operation technique is easy; realize and under Liao Wicresoft, closure condition, implement reduction of the fracture fixing operation; avoid to greatest extent the fracturing damage once again of local soft tissue and blood fortune; be conducive to promote that bone is rebuild, healing, meet reset satisfaction and protection blood for conforming principle.
This utility model can carry out the reset of radius far-end fracture, implements trans-articular fix or fracture local fixing according to different treatment stages; Easy and simple to handle, postoperative convenience is adjusted again, be convenient to remove in early days external fixer for hip joint, be conducive to the rehabilitation of union of fracture and function of joint, more meet anatomy and the therapeutics requirement of radius far-end fracture, be applicable to the particularly treatment of open radius far-end fracture or serious splintered fracture of all kinds of fracture of radius.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in more detail.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is decomposition texture schematic diagram of the present utility model.
Fig. 3 is working state schematic representation of the present utility model.
Reference numeral: 1-far-end hole arc ring, 2-near-end hole arc ring, 3-the first whorl brace rod, 4-the second whorl brace rod, 5-locking joint device, 6-are little partially, 7-draw point pressure pad, 8-draw point pad, 9-bar groove connection tube, 10-draw point, 11-up-down adjustment nut.
The specific embodiment
Embodiment is shown in Figure 1, this radius far-end fracture regulation and control external fixator of being association of activity and inertia, by external fixator support body, be connected to the steel needle fixing clamp on external fixator support body, and the draw point being clipped in steel needle fixing clamp forms, described external fixator support body comprises far-end hole arc ring 1 and the near-end hole arc ring 2 of parallel placement, both opening directions are identical, and be equipped with a plurality of equally distributed holes above, positive outer edge and the reverse side outer edge of this hole ring are all carved with angle scale, can improve the relevance grade of bone external fixator, especially the operation precision to bone external fixator, operation installation rate, operation installation level, and teaching all has very large practical significance, can make the installation of connecting rod and the rotation that places of draw point all accomplish to quantize and accurately locate, so both can guarantee that bone external fixator carried out Fast Installation, can guarantee that again draw point is accomplished to quantize and accurately rotation, can also guarantee that bone external fixator is when being rotated malformation correction, RA is controlled accurately, on described far-end hole arc ring 1, be connected with the first whorl brace rod 3, between far-end hole arc ring 1 and near-end hole arc ring 2, by least two the second whorl brace rods 4 through hole, be connected, described far-end hole arc ring 1, on the first whorl brace rod 3 and the second whorl brace rod 4, by steel needle fixing clamp, be connected with draw point 10.
Shown in Figure 2, described the first whorl brace rod 3 is hinged with far-end hole arc ring 1 by locking joint device 5, one end of described the second whorl brace rod 4 is hinged with far-end hole arc ring 1 by locking joint device 5, the other end is connected with near-end hole arc ring 2 by up-down adjustment nut 11, described locking joint device 5 is to have hinged and joint device locking function, can be spherical universal joint (Chinese patent application that application publication number is CN103006302A), the combination of any one or more in damping joint (Chinese patent application that application publication number is CN103006303A) or self-locking joint (Chinese patent application that application publication number is CN103006301A).
Described far-end hole arc ring 1 is by little inclined to one side connection draw point, and little have a groove on the upper side, can fix a draw point, has greatly on the upper side two grooves, can fix two draw points.
Described the first whorl brace rod is fixing by the bar groove connection tube 9 being enclosed within on the first whorl brace rod by nut, and all there are two nuts at the two ends of described bar groove connection tube 9, and described thin diameter half pin is fixed between two nuts at bar groove connection tube two ends.
The assembly of described the second whorl brace rod by draw point pressure pad 7 and draw point pad 8 be draw point 10 fixedly, and described draw point pressure pad 7 is connected with the second whorl brace rod 4 by up-down adjustment nut 11 with the assembly of draw point pad 8.
Described draw point 10 is one or more in full pin, threadless half pin and threaded half pin, wherein full pin refers to through bone, two ends all by the fixing draw point of steel needle fixing clamp, threadless half pin is that bone, one end are imbedded by the fixing draw point of steel needle fixing clamp in one end, and threaded half pin is imbedded the threaded draw point of end exactly.
Work process of the present utility model, carries out fracture of radius reset, and shown in Figure 3, concrete steps are as follows:
Claims (8)
1. the radius far-end fracture regulation and control external fixator of being association of activity and inertia, by external fixator support body, be connected to the steel needle fixing clamp on external fixator support body, and the draw point being clipped in steel needle fixing clamp forms, it is characterized in that: described external fixator support body comprises far-end hole arc ring (1) and the near-end hole arc ring (2) of parallel placement, both opening directions are identical, and be equipped with a plurality of equally distributed holes above, on described far-end hole arc ring (1), be connected with the first whorl brace rod (3), between far-end hole arc ring (1) and near-end hole arc ring (2), by least two the second whorl brace rods (4) through hole, be connected, described far-end hole arc ring (1), the first whorl brace rod (3) and the second whorl brace rod (4) are upper is connected with draw point (10) by steel needle fixing clamp.
2. the radius far-end fracture regulation and control external fixator of being association of activity and inertia according to claim 1, is characterized in that: described the first whorl brace rod (3) is hinged by locking joint device (5) and far-end hole arc ring (1).
3. the radius far-end fracture regulation and control external fixator of being association of activity and inertia according to claim 1, it is characterized in that: one end of described the second whorl brace rod (4) is hinged by locking joint device (5) and far-end hole arc ring (1), the other end is connected with near-end hole arc ring (2) by up-down adjustment nut (11).
4. the radius far-end fracture regulation and control external fixator of being association of activity and inertia according to claim 1, is characterized in that: described steel needle fixing clamp be inclined to one side greatly, little partially, the assembly of the assembly of draw point pressure pad (7) and draw point pad (8) or bar groove connection tube (9) and nut.
5. the radius far-end fracture regulation and control external fixator of being association of activity and inertia according to claim 4, it is characterized in that: described bar groove connection tube (9) comprises with the assembly of nut the bar groove connection tube (9) being enclosed within on the first whorl brace rod, all there are two nuts at the two ends of described bar groove connection tube (9), and described draw point is fixed between two nuts at bar groove connection tube two ends.
6. the radius far-end fracture regulation and control external fixator of being association of activity and inertia according to claim 4, is characterized in that: described draw point pressure pad (7) is connected with the first whorl brace rod (3) or the second whorl brace rod (4) by up-down adjustment nut (11) with the assembly of draw point pad (8).
7. the radius far-end fracture regulation and control external fixator of being association of activity and inertia according to claim 4, is characterized in that: described draw point pressure pad (7) is connected with far-end hole arc ring (1) by screw rod, up-down adjustment nut (11) with the assembly of draw point pad (8).
8. according to the described radius far-end fracture of one of the claim 1-7 regulation and control external fixator of being association of activity and inertia, it is characterized in that: described draw point (10) is one or more in full pin, threadless half pin and threaded half pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320551398.9U CN203425011U (en) | 2013-09-06 | 2013-09-06 | External fixator for dynamic and static combined regulation of distal radius fractures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320551398.9U CN203425011U (en) | 2013-09-06 | 2013-09-06 | External fixator for dynamic and static combined regulation of distal radius fractures |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203425011U true CN203425011U (en) | 2014-02-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320551398.9U Expired - Fee Related CN203425011U (en) | 2013-09-06 | 2013-09-06 | External fixator for dynamic and static combined regulation of distal radius fractures |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203425011U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103445832A (en) * | 2013-09-06 | 2013-12-18 | 江苏广济医疗科技有限公司 | Activity-inertia combined adjusting control outer fixer for distal radius fracture |
| CN114176744A (en) * | 2021-11-04 | 2022-03-15 | 金昌� | Universal locking needle quick fracture external fixator |
-
2013
- 2013-09-06 CN CN201320551398.9U patent/CN203425011U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103445832A (en) * | 2013-09-06 | 2013-12-18 | 江苏广济医疗科技有限公司 | Activity-inertia combined adjusting control outer fixer for distal radius fracture |
| CN103445832B (en) * | 2013-09-06 | 2016-02-17 | 江苏广济医疗科技有限公司 | Radius far-end fracture is association of activity and inertia regulation and control external fixator |
| CN114176744A (en) * | 2021-11-04 | 2022-03-15 | 金昌� | Universal locking needle quick fracture external fixator |
| CN114176744B (en) * | 2021-11-04 | 2024-01-16 | 金昌� | Universal lock needle quick fracture external fixator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140212 Termination date: 20150906 |
|
| EXPY | Termination of patent right or utility model |