CN103445832B - Radius far-end fracture is association of activity and inertia regulation and control external fixator - Google Patents
Radius far-end fracture is association of activity and inertia regulation and control external fixator Download PDFInfo
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- CN103445832B CN103445832B CN201310400861.4A CN201310400861A CN103445832B CN 103445832 B CN103445832 B CN 103445832B CN 201310400861 A CN201310400861 A CN 201310400861A CN 103445832 B CN103445832 B CN 103445832B
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- arc ring
- external fixator
- draw point
- brace rod
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Abstract
A kind of radius far-end fracture is association of activity and inertia regulation and control external fixator, by external fixator support body, be connected to the steel needle fixing clamp on external fixator support body, and the draw point composition be clipped in steel needle fixing clamp, 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 multiple equally distributed hole above, far end hole arc ring is connected with the first whorl brace rod, the second whorl brace rod passing hole by least two between far end hole arc ring with near-end hole arc ring is connected, far end hole arc ring, first whorl brace rod and the second whorl brace rod are connected with draw point by steel needle fixing clamp.The present invention can carry out the reset of radius far-end fracture, implement trans-articular according to different treatment stage to fix or fixing anatomy and the therapeutics requirement more meeting radius far-end fracture in local of fracturing, be applicable to the treatment of all kinds of fracture of radius particularly open radius far-end fracture or serious splintered fracture.
Description
Technical field
The present invention 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, RogerAnderson etc. are first after report External Fixator for Treatment of Distal Radius Fracture, various external fixator continues 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, Shen Yi new distal radius power type 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 range of activity gradually, reaches the object of early functional exercise.In order to adapt to the treatment requirement of various complicated traumatic condition, devising again the one-sided dynamic external fixator in locking joint and interim carpal joint external fixator in recent years, greatly having enriched treatment of distal radius fracture art formula.
At present, what this series products was conventional has Bastiani unilateral external fixator and AO block form external fixator, but these external fixators exist following problem:
1, this type of external fixator needs to carry out trans-articular for a long time and fixes, and often causes the consequence of draw point malreduction and ankylosis.
2, can not be effectively fixing to syntripsis Rapid Implementation.
Summary of the invention
The object of this invention is to provide a kind of radius far-end fracture to be association of activity and inertia regulation and control external fixator, the technical problem occurring ankylosis, malreduction situation be solved in treatment of distal radius fracture process; And solve quick problem of syntripsis being carried out to effectively fix.
For achieving the above object, the present invention adopts following technical scheme:
A kind of radius far-end fracture is association of activity and inertia regulation and control external fixator, by external fixator support body, be connected to the steel needle fixing clamp on external fixator support body, and the draw point composition be clipped in steel needle fixing clamp, 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 multiple equally distributed hole above, described far end hole arc ring is connected with the first whorl brace rod, the second whorl brace rod passing hole by least two between far end hole arc ring with near-end hole arc ring is connected, described far end hole arc ring, first whorl brace rod and the second whorl brace rod are connected with draw point by steel needle fixing clamp.
Described first whorl brace rod by locking joint device and far end hole arc ring hinged.
One end of described second whorl brace rod is hinged with far end hole arc ring by locking joint device, and the other end passes through up-down adjustment nut and is connected with near-end hole arc ring.
Described steel needle fixing clamp be inclined 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 be enclosed within 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 present invention has following characteristics and beneficial effect:
Instant invention overcomes the shortcoming that traditional external fixer for radius distal fracture easily causes draw point malreduction and ankylosis consequence, solve and effectively carry out the fixing technical problem of syntripsis fast.
Structure of the present invention is simple, overall structure is made up of hole arc ring and whorl brace rod, easy dexterity, meet anatomical requirements, fixing stable, regulation and control are convenient, trans-articular can be realized fix, fracture local can be implemented again fixing, it is more convenient to use, different steel needle fixing clamps is adopted in the present invention, thin diameter half pin is fixed by lower nut on bar groove connection tube and its for comminuted fracture piece, diameter range is 1.5 ~ 3.0 millimeters, the carrying out of syntripsis is effectively fixed, the external fixator being conducive to removing in early days trans-articular carries out functional training, prevent ankylosis, ensure the rehabilitation of wrist joint function.The present invention is used to carry out bone extenal fixation; operation technique is easy; achieve and implement reduction of the fracture fixing operation under Wicresoft, closure condition; avoid the damage once again of fracture local soft tissue and blood fortune to greatest extent; be conducive to promoting bone remoulding, healing, meet and reset satisfied and protect blood for conforming principle.
The present invention can carry out the reset of radius far-end fracture, implements trans-articular fix or fracture locally fixing according to different treatment stage; Easy and simple to handle, postoperative convenience adjusts again, be convenient to remove external fixer for hip joint in early days, 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 treatment of all kinds of fracture of radius particularly open radius far-end fracture or serious splintered fracture.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention will be further described in detail.
Fig. 1 is structural representation of the present invention.
Fig. 2 is decomposition texture schematic diagram of the present invention.
Fig. 3 is working state schematic representation of the present invention.
Reference numeral: 1-far end hole arc ring, 2-near-end hole arc ring, 3-first whorl brace rod, 4-second whorl brace rod, 5-lock joint device, 6-little inclined, 7-draw point pressure pad, 8-draw point pad, 9-bar groove connection tube, 10-draw point, 11-up-down adjustment nut.
Detailed description of the invention
Embodiment is shown in Figure 1, this radius far-end fracture is association of activity and inertia regulation and control external fixator, by external fixator support body, be connected to the steel needle fixing clamp on external fixator support body, and the draw point composition be clipped in steel needle fixing clamp, 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 multiple equally distributed hole above, front outer edge and the reverse side outer edge of this hole ring are all carved with angle scale, the relevance grade of exter-nal fixer can be improved, especially to the operation precision of exter-nal fixer, operation installation rate, operation installation level, and teaching all has very large practical significance, the rotation that places of the installation of connecting rod and draw point can be made all to accomplish to quantize and accurately locate, so both can ensure that exter-nal fixer carried out Fast Installation, can ensure that again draw point is accomplished to quantize and accurately rotate, can also ensure that exter-nal fixer is when carrying out rotation deformity and correcting, RA is controlled accurately, described far end hole arc ring 1 is connected with the first whorl brace rod 3, the second whorl brace rod 4 passing hole by least two between far end hole arc ring 1 with near-end hole arc ring 2 is connected, described far end hole arc ring 1, first whorl brace rod 3 and the second whorl brace rod 4 are connected with draw point 10 by steel needle fixing clamp.
Shown in Figure 2, described first whorl brace rod 3 is hinged with far end hole arc ring 1 by locking joint device 5, one end of described 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 has hinged and joint device that is locking function, can be spherical universal joint (application publication number is the Chinese patent application of CN103006302A), the combination of any one or more in damping joint (application publication number is the Chinese patent application of CN103006303A) or self-locking joint (application publication number is the Chinese patent application of CN103006301A).
Described far end hole arc ring 1 is by little inclined connection draw point, and little on the upper sidely have a groove, and can fix a draw point, on the upper side greatly have two grooves, can fix two draw points.
The bar groove connection tube 9 be enclosed within the first whorl brace rod is fixed by nut by described first whorl brace rod, 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.
Described second whorl brace rod fixes draw point 10 by draw point pressure pad 7 and the assembly of draw point pad 8, 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 draw point that steel needle fixing clamp is fixing, threadless half pin is the draw point that bone is imbedded in one end, one end is fixed by steel needle fixing clamp, and the threaded draw point of end imbedded exactly by threaded half pin.
Work process of the present invention, carries out fracture of radius reset, and shown in Figure 3, concrete steps are as follows:
Step one, installs radius far-end fracture and to be association of activity and inertia regulation and control external fixator, all the other devices of assembling removing draw point and steel needle fixing clamp.
Step 2, fracture of radius far-end is threaded a needle: at the far-end of fracture, i.e. one end of finger tip, and distance articular surface 1 cm, is traversed into the full pin of one piece of diameter 2 millimeters, if shortened deformity is eliminated, also can run through capitulum ulnae simultaneously by oar side direction ulnar side.
Step 3, fracture of radius near-end is threaded a needle: more than 2 centimetres, astragalus broken line, and the oar dorsal part backbone of radius penetrates screw thread half pin of two pieces of diameters 3 millimeters, and the distance of two pieces of draw points is no less than 5 centimetres.
Step 4, metacarpal bone is threaded a needle: in the 2nd metacarpal bone position, wears screw thread half pin of two pieces of diameters 2.5 millimeters.
Step 5, sclerite is threaded a needle: carry out bone to large comminuted fracture piece usable diameter 1.5 millimeters or 2 millimeter of half pin and fix.
Claims (6)
1. a radius far-end fracture is association of activity and inertia regulation and control external fixator, by external fixator support body, be connected to the steel needle fixing clamp on external fixator support body, and the draw point composition be clipped in steel needle fixing clamp, it is characterized in that: described external fixator support body comprises far end hole arc ring (1) and near-end hole arc ring (2) of parallel placement, both opening directions are identical, and be equipped with multiple equally distributed hole above, described far end hole arc ring (1) is connected with the first whorl brace rod (3), the second whorl brace rod (4) passing hole by least two between far end hole arc ring (1) with near-end hole arc ring (2) is connected, described far end hole arc ring (1), first whorl brace rod (3) and the second whorl brace rod (4) are connected with draw point (10) by steel needle fixing clamp,
Described first whorl brace rod (3) is hinged by locking joint device (5) and far end hole arc ring (1);
One end of described second whorl brace rod (4) is hinged by locking joint device (5) and far end hole arc ring (1), and the other end is connected with near-end hole arc ring (2) by up-down adjustment nut (11).
2. radius far-end fracture is association of activity and inertia regulation and control external fixator according to claim 1, it is characterized in that: described steel needle fixing clamp be inclined 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.
3. radius far-end fracture is association of activity and inertia regulation and control external fixator according to claim 2, it is characterized in that: described bar groove connection tube (9) comprises with the assembly of nut the bar groove connection tube (9) be enclosed within 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 correspondence is fixed between two nuts that bar groove connection tube often holds.
4. radius far-end fracture is association of activity and inertia regulation and control external fixator according to claim 2, it 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).
5. radius far-end fracture is association of activity and inertia regulation and control external fixator according to claim 2, it 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).
6. to be association of activity and inertia regulation and control external fixator according to the described radius far-end fracture of one of claim 1-5, to it is characterized in that: described draw point (10) is full pin, one or more in threadless half pin and threaded half pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310400861.4A CN103445832B (en) | 2013-09-06 | 2013-09-06 | Radius far-end fracture is association of activity and inertia regulation and control external fixator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310400861.4A CN103445832B (en) | 2013-09-06 | 2013-09-06 | Radius far-end fracture is association of activity and inertia regulation and control external fixator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103445832A CN103445832A (en) | 2013-12-18 |
| CN103445832B true CN103445832B (en) | 2016-02-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310400861.4A Expired - Fee Related CN103445832B (en) | 2013-09-06 | 2013-09-06 | Radius far-end fracture is association of activity and inertia regulation and control external fixator |
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| CN (1) | CN103445832B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106308910A (en) * | 2014-10-24 | 2017-01-11 | 烟台小米机械技术有限公司 | Hand fixator with low traumatic effects |
| CN106420021B (en) * | 2016-11-03 | 2023-10-17 | 沙勇 | Function recovery device for forearm rotation disorder |
| CN111803195A (en) * | 2020-08-10 | 2020-10-23 | 武汉苓桂医疗科技有限公司 | Non-straddle type external fixator for treating distal radius fracture |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2126056U (en) * | 1992-06-23 | 1992-12-30 | 王汉林 | Drthopedic external fixer |
| US5885282A (en) * | 1997-05-09 | 1999-03-23 | The Regents Of The University Of California | Apparatus for treatment of fracture and malunion of the distal radius |
| RU2397723C1 (en) * | 2009-04-30 | 2010-08-27 | Государственное учреждение "Научно-исследовательский центр Татарстана "Восстановительная травматология и ортопедия" | Method of transosseous osteosynthesis of diaphyseal fractures of forearm bones in children and adolescents |
| CN202154737U (en) * | 2011-06-29 | 2012-03-07 | 温建民 | Combined-type three-dimensional traction fixation rack for wrist joints |
| CN203425011U (en) * | 2013-09-06 | 2014-02-12 | 江苏广济医疗科技有限公司 | External fixator for dynamic and static combined regulation of distal radius fractures |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6860883B2 (en) * | 2002-02-11 | 2005-03-01 | Pioneer Laboratories, Inc. | External fixation apparatus and method |
-
2013
- 2013-09-06 CN CN201310400861.4A patent/CN103445832B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2126056U (en) * | 1992-06-23 | 1992-12-30 | 王汉林 | Drthopedic external fixer |
| US5885282A (en) * | 1997-05-09 | 1999-03-23 | The Regents Of The University Of California | Apparatus for treatment of fracture and malunion of the distal radius |
| RU2397723C1 (en) * | 2009-04-30 | 2010-08-27 | Государственное учреждение "Научно-исследовательский центр Татарстана "Восстановительная травматология и ортопедия" | Method of transosseous osteosynthesis of diaphyseal fractures of forearm bones in children and adolescents |
| CN202154737U (en) * | 2011-06-29 | 2012-03-07 | 温建民 | Combined-type three-dimensional traction fixation rack for wrist joints |
| CN203425011U (en) * | 2013-09-06 | 2014-02-12 | 江苏广济医疗科技有限公司 | External fixator for dynamic and static combined regulation of distal radius fractures |
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| Publication number | Publication date |
|---|---|
| CN103445832A (en) | 2013-12-18 |
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Granted publication date: 20160217 |