CN103393453B - Wrist joints moving type support - Google Patents
Wrist joints moving type support Download PDFInfo
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- CN103393453B CN103393453B CN201310299533.XA CN201310299533A CN103393453B CN 103393453 B CN103393453 B CN 103393453B CN 201310299533 A CN201310299533 A CN 201310299533A CN 103393453 B CN103393453 B CN 103393453B
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- pin block
- adjustment body
- chute
- nail clip
- nail
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Abstract
The invention discloses a kind of wrist joints moving type support for fixing wrist fractured bone, comprise the first adjustment body and the second adjustment body, the first chute offered vertically on the whole for installing two single nail clips is adjusted first, two single nail clips are respectively arranged with a folder pin hole, two single nail clips all can move along the first chute or fix; Adjusting second the second chute offered vertically on the whole for installing two nail clip, two nail clip being provided with two folder pin holes, two nail clip can move along the second chute or fix; The end that first adjustment body is relative with the second adjustment body is connected as a single entity by locking device, is also provided with the governor motion regulating two nail clip position in the second chute in the inner chamber of the second adjustment body.The wrist joints moving type support of said structure, fixing and locking is effective, and safety coefficient is high, also can be applicable to the fixing and locking of two place's breaking part skeletons.
Description
Technical field
The present invention relates to orthopedic medical device field, particularly relate to a kind of wrist joints moving type support for fixing wrist fractured bone.
Background technology
Wrist joints moving type support is a kind of exterior fixation bracket for the growth of nondominant hand wrist portion fractures place bone reduction, wrist breaking part skeleton is made to return to the position before fracture by external force traction, wrist joints moving type support is fixed on breaking part skeleton both sides, breaking part skeletal fixation is not shifted, promotes the growth healing of fractured bone.The structure of the wrist joints moving type support of current use is: comprise the first adjustment body and the second adjustment body, first adjustment body and second is adjusted body and is connected as a single entity by locking device, adjust at the first adjustment body and second and be respectively movably installed with a two nail clip on the whole, two nail clip is provided with two folder pin holes.During operation, two pieces of fine steel needles are implanted respectively in breaking part skeleton both sides, first adjusts two nail clips on the whole clamp the fine steel needle of breaking part skeleton side and be fixed in the first adjustment body, second adjusts two nail clips on the whole clamp the fine steel needle of breaking part skeleton opposite side and be fixed in the second adjustment body, makes the first adjustment body and second adjust body relative position lock by locking device.
The major defect that the wrist joints moving type support of said structure form exists is: when fixing breaking part skeleton, because the relative position of the folder pin hole of two in two nail clip is changeless, the relative position of the fine steel needle then implanted in fractured bone is also changeless, the distance of two pieces of fine steel needles is very near, can only short distance fixing and locking be carried out, make wrist joints moving type support fixing and locking effect not ideal; In addition, above-mentioned support can only be used for the skeleton fixing place fracture dislocation, can not be used for the skeleton fixing the fracture dislocation of two places, use and there is limitation.
Summary of the invention
The technical problem of solution required for the present invention is: the wrist joints moving type support providing a kind of fixing and locking effective.
For solving the problem, the technical solution used in the present invention is: described wrist joints moving type support, comprise the first adjustment body and the second adjustment body, adjust first and offer the first chute vertically on the whole, first chute is provided with two single nail clips, two single nail clips are respectively arranged with one first folder pin hole, two single nail clips all can move along the first chute, and two single nail clips can be fixed on the first tune on the whole respectively by first set bolt; Adjust second and offer the second chute vertically on the whole, the second chute is provided with two nail clip, two nail clip is provided with two second folder pin holes, two nail clip can move along the second chute, and two nail clip is fixed on the second tune on the whole by the second set bolt; The end that first adjustment body is relative with the second adjustment body is connected as a single entity by locking device, is also provided with the governor motion regulating two nail clip position in the second chute in the inner chamber of the second adjustment body.
Further, aforesaid wrist joints moving type support, wherein, described locking device comprises a pair multi-directional ball, a pair lock sleeve, a pair steel bowl and pair of cams axle, on the end face that the first adjustment body is relative with the second adjustment body, centrally line offers a groove respectively, in order to place steel bowl, two multi-directional ball of mutually matching mutually are engaged by respective linking arm and are fixed together, the bulb part of two multi-directional ball is placed in two steel bowls in the first adjustment body and the second adjustment body respectively, two multi-directional ball are connected to the first adjustment body and second respectively by screw thread and adjust on the whole by two lock sleeves, and the bulb part of two multi-directional ball can freely be rotated respectively in respective steel bowl, the camshaft being also respectively arranged with an energy on the whole and leaning with the medial surface of steel bowl is adjusted at the first adjustment body and second, rotating cam axle outwards can push steel bowl to lock multi-directional ball.
Further, aforesaid wrist joints moving type support, wherein, the structure of described governor motion comprises set screw, set screw is arranged in the inner chamber of the second adjustment body, set screw forms screw thread pair with two nail clip, the low groove fastened with position-limitting pin is offered in the circumference of the outer end of set screw, the internal chamber wall of the second adjustment body offers the upper groove fastened with position-limitting pin, position-limitting pin is arranged in upper and lower groove, set screw circumference can only be rotated, can not move axially.
Further, aforesaid wrist joints moving type support, wherein, the structure of single nail clip comprises the first cover plate bolt, first cover plate bolt is movably installed with successively on first and presss from both sides pin block, first therebetween pin block and spring, pressing from both sides on first between pin block with the first therebetween pin block coordinates formation one first to press from both sides pin hole, first time folder pin block is by the outer end of threaded engagement at the first cover plate bolt, spring is positioned at the first therebetween pin block and presss from both sides the adjacent groove of pin block for first time, the elastic force of spring makes the first therebetween pin block and the first time separative trend of folder pin block tool, the end face that first therebetween pin block and first time folder pin block contact is respectively arranged with can intermeshing groove, when making the first therebetween pin block rotate to desired position, engagement by groove is fixed on desired position and does not slide, the first screwed hole is provided with bottom first time folder pin block, in order to single nail clip is fixed on the first tune on the whole by the first set bolt.
Further, aforesaid wrist joints moving type support, wherein, the structure of two nail clip comprises the second cover plate bolt, second cover plate bolt is movably installed with successively on second and presss from both sides pin block, second therebetween pin block, pressing from both sides on second between pin block with the second therebetween pin block coordinates formation two second to press from both sides pin hole, second time folder pin block is by the outer end of threaded engagement at the second cover plate bolt, offer along the axis of the second adjustment body the screwed hole screwed mutually with set screw in second time folder pin block, the bottom of second time folder pin block is provided with the second screwed hole, in order to two nail clip is fixed on the second tune on the whole by the second set bolt.
The invention has the beneficial effects as follows: the relative position implanting the fine steel needle of breaking part skeleton can by regulating the relative position of two single nail clips to change, compare original wrist joints moving type support, more can grow the fixing and locking of distance, when the timing of applying pressure one, the fixing and locking better effects if of long distance, safety coefficient is higher; In addition, the present invention also can be applicable to the fixing and locking of two place's breaking part skeletons.
Accompanying drawing explanation
Fig. 1 is the structural representation of wrist joints moving type support of the present invention.
Fig. 2 is the sectional structure schematic diagram of wrist joints moving type support.
Fig. 3 is the structural representation of single nail clip.
Fig. 4 is the structural representation that in Fig. 2, A-A analyses and observe.
Fig. 5 is the structural representation of two nail clip.
Fig. 6 is the syndeton schematic diagram that position-limitting pin and set screw, second adjust body.
Fig. 7 is the structural representation that in Fig. 6, B-B analyses and observe.
Detailed description of the invention
Below in conjunction with accompanying drawing and preferred embodiment, technical solutions according to the invention are described in further detail.
As shown in Figure 1, Figure 2, the wrist joints moving type support shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, comprise the first adjustment body 1 and the second adjustment body 7, first adjustment body 1 offers the first chute 3 vertically, first chute 3 is provided with two single nail clips 2, two single nail clips 2 are respectively arranged with one first folder pin hole 141, two single nail clips 2 all can move along the first chute 3, and two single nail clips 2 can be fixed on the first adjustment body 1 respectively by first set bolt 18; Second adjustment body 7 offers the second chute 4 vertically, second chute 4 is provided with two nail clip 6, two nail clip 6 is provided with two second folder pin holes 191, two nail clip 6 can move along the second chute 4, and two nail clip 6 is fixed on the second adjustment body 7 by the second set bolt 23; The end that first adjustment body 1 is relative with the second adjustment body 7 is connected as a single entity by locking device, is also provided with the governor motion regulating two nail clip 6 position in the second chute 4 in the inner chamber of the second adjustment body 7.In the present embodiment, described locking device comprises a pair multi-directional ball 11, a pair lock sleeve 10, a pair steel bowl 12 and pair of cams axle 9, on the end face that the first adjustment body 1 is relative with the second adjustment body 7, centrally line offers a groove respectively, in order to place steel bowl 12, two multi-directional ball 11 of mutually matching mutually are engaged by respective linking arm and are fixed together, the bulb part of two multi-directional ball 11 is placed in two steel bowls 12 in the first adjustment body and the second adjustment body respectively, two multi-directional ball 11 are connected on the first adjustment body 1 and the second adjustment body 7 respectively by screw thread by two lock sleeves 10, and the bulb part of two multi-directional ball 11 can freely be rotated respectively in respective steel bowl 12, first adjustment body 1 and the second adjustment body 7 are also respectively arranged with the camshaft 9 that an energy leans with the medial surface of steel bowl 12, rotating cam axle 9 outwards can push steel bowl 12 to lock multi-directional ball 11.In the present embodiment, the structure of described governor motion comprises set screw 5, set screw 5 is arranged in the inner chamber of the second adjustment body 7, set screw 5 forms screw thread pair with two nail clip 6, the low groove fastened with position-limitting pin 8 is offered in the circumference of the outer end of set screw 5, the internal chamber wall of the second adjustment body 7 offers the upper groove fastened with position-limitting pin 8, position-limitting pin 8 is arranged in upper and lower groove, set screw 5 can only circumference be rotated, can not move axially, drop to prevent set screw 5.In the present embodiment, the structure of single nail clip 2 comprises the first cover plate bolt 13, first cover plate bolt 13 is movably installed with successively on first and presss from both sides pin block 14, first therebetween pin block 15 and spring 17, pressing from both sides on first between pin block 14 with the first therebetween pin block 15 coordinates formation one first to press from both sides pin hole 141, first time folder pin block 16 is by the outer end of threaded engagement at the first cover plate bolt 13, spring 17 is positioned at the adjacent groove of both the first therebetween pin block 15 and first time folder pin block 16, the elastic force of spring 17 makes both the first therebetween pin block 15 and the first time folder pin block 16 separative trend of tool, the end face that both first therebetween pin block 15 and first time folder pin block 16 contact is respectively arranged with the intermeshing groove 24 of energy, when making the first therebetween pin block 16 rotate to desired position, engagement by groove 24 is fixed on desired position and does not slide, the first screwed hole is provided with bottom first time folder pin block 16, in order to single nail clip 2 is fixed in the first chute 3 by the first set bolt 18, first set bolt 18 is also set with pad 181, the first set bolt 18 is made to be connected more reliable with the first chute, in the present embodiment, the structure of two nail clip 6 comprises the second cover plate bolt 19, second cover plate bolt 19 is movably installed with successively on second and presss from both sides pin block 20, second therebetween pin block 21, pressing from both sides on second between pin block 20 with the second therebetween pin block 21 coordinates formation two second to press from both sides pin hole 191, second time folder pin block 22 is by the outer end of threaded engagement at the second cover plate bolt 19, offer along the axis of the second adjustment body 1 screwed hole 25 screwed mutually with set screw 5 in second time folder pin block 22, the bottom of second time folder pin block 22 is provided with the second screwed hole, in order to two nail clip 6 is fixed in the second chute 4 by the second set bolt 23, second set bolt 23 is also set with pad 231, the second set bolt 23 is made to be connected more reliable with the second chute 4.
During operation, two pieces of fine steel needles are implanted respectively in breaking part skeleton both sides, the distance between two pieces of fine steel needles on the breaking part skeleton of finger side is made to press from both sides pin hole 191 apart from corresponding with two second in two nail clip 6, distance between two pieces of fine steel needles of breaking part skeleton opposite side is depending on actual needs, but both distances can not more than the range of activity between two single nail clips 2; Then unclamp first, second cover plate bolt 13,19, first, second set bolt 18,23 and camshaft 9, wrist joints moving type support is made to be in loosening state, fine steel needle is stretched into respectively in the first folder pin hole 141 and the second folder pin hole 191, and the distance making wrist joints moving type support distance skin surface is 15 ~ 20mm; X-ray and external force traction auxiliary under make breaking part bone reduction to front position of rupturing, then first, second cover plate bolt 13,19 and first, second set bolt 18,23 is tightened, finally screw camshaft 9, by whole wrist joints moving type support fixing and locking.
When wrist has two place's breaking part skeletons to need fixing and locking, breaking part skeleton near finger side implants two pieces of fine steel needles and makes the distance between two pieces of fine steel needles press from both sides pin hole 191 apart from corresponding with two second in two nail clip 6, all the other two joint breaking part skeletons implant one piece of fine steel needle respectively, distance between two pieces of fine steel needles is depending on actual needs, but distance between the two can not more than the range of activity between two single nail clips 2; Then unclamp first, second cover plate bolt 13,19, first, second set bolt 18,23 and camshaft 9, wrist joints moving type support is made to be in loosening state, fine steel needle is stretched into respectively in the first folder pin hole 141 and the second folder pin hole 191, and the distance making wrist joints moving type support distance skin surface is 15 ~ 20mm; X-ray and external force traction auxiliary under make breaking part bone reduction to front position of rupturing, then first, second cover plate bolt 13,19 and first, second set bolt 18,23 is tightened, finally screw camshaft 9, by whole wrist joints moving type support fixing and locking.
The wrist joints moving type support of said structure, the relative position implanting the fine steel needle of breaking part skeleton can change by regulating the relative position of two single nail clips 2, compare original wrist joints moving type support, more can grow the fixing and locking of distance, when the timing of applying pressure one, the fixing and locking better effects if of long distance, safety coefficient is higher; In addition, the present invention also can be applicable to the fixing and locking of two place's breaking part skeletons.
Claims (2)
1. wrist joints moving type support, comprise the first adjustment body and the second adjustment body, adjust first and offer the first chute vertically on the whole, first chute is provided with two single nail clips, two single nail clips are respectively arranged with one first folder pin hole, two single nail clips all can move along the first chute, and two single nail clips can be fixed on the first tune on the whole respectively by first set bolt, adjust second and offer the second chute vertically on the whole, the second chute is provided with two nail clip, two nail clip is provided with two second folder pin holes, two nail clip can move along the second chute, and two nail clip is fixed on the second tune on the whole by the second set bolt, the end that first adjustment body is relative with the second adjustment body is connected as a single entity by locking device, is also provided with the governor motion regulating two nail clip position in the second chute in the inner chamber of the second adjustment body, described locking device comprises a pair multi-directional ball, a pair lock sleeve, a pair steel bowl and pair of cams axle, on the end face that the first adjustment body is relative with the second adjustment body, centrally line offers a groove respectively, in order to place steel bowl, two multi-directional ball of mutually matching mutually are engaged by respective linking arm and are fixed together, the bulb part of two multi-directional ball is placed in two steel bowls in the first adjustment body and the second adjustment body respectively, two multi-directional ball are connected to the first adjustment body and second respectively by screw thread and adjust on the whole by two lock sleeves, and the bulb part of two multi-directional ball can freely be rotated respectively in respective steel bowl, the camshaft being also respectively arranged with an energy on the whole and leaning with the medial surface of steel bowl is adjusted at the first adjustment body and second, rotating cam axle outwards can push steel bowl to lock multi-directional ball, the structure of described governor motion comprises set screw, set screw is arranged in the inner chamber of the second adjustment body, set screw forms screw thread pair with two nail clip, the low groove fastened with position-limitting pin is offered in the circumference of the outer end of set screw, the internal chamber wall of the second adjustment body offers the upper groove fastened with position-limitting pin, position-limitting pin is arranged in upper and lower groove, set screw circumference can only be rotated, can not move axially, the structure of single nail clip comprises the first cover plate bolt, first cover plate bolt is movably installed with successively on first and presss from both sides pin block, first therebetween pin block and spring, pressing from both sides on first between pin block with the first therebetween pin block coordinates formation one first to press from both sides pin hole, first time folder pin block is by the outer end of threaded engagement at the first cover plate bolt, spring is positioned at the first therebetween pin block and presss from both sides the adjacent groove of pin block for first time, the elastic force of spring makes the first therebetween pin block and the first time separative trend of folder pin block tool, the end face that first therebetween pin block and first time folder pin block contact is respectively arranged with can intermeshing groove, when making the first therebetween pin block rotate to desired position, engagement by groove is fixed on desired position and does not slide, the first screwed hole is provided with bottom first time folder pin block, in order to single nail clip is fixed on the first tune on the whole by the first set bolt.
2. according to wrist joints moving type support according to claim 1, it is characterized in that: the structure of two nail clip comprises the second cover plate bolt, second cover plate bolt is movably installed with successively on second and presss from both sides pin block, second therebetween pin block, pressing from both sides on second between pin block with the second therebetween pin block coordinates formation two second to press from both sides pin hole, second time folder pin block is by the outer end of threaded engagement at the second cover plate bolt, offer along the axis of the second adjustment body the screwed hole screwed mutually with set screw in second time folder pin block, the bottom of second time folder pin block is provided with the second screwed hole, in order to two nail clip is fixed on the second tune on the whole by the second set bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310299533.XA CN103393453B (en) | 2013-07-17 | 2013-07-17 | Wrist joints moving type support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310299533.XA CN103393453B (en) | 2013-07-17 | 2013-07-17 | Wrist joints moving type support |
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| Publication Number | Publication Date |
|---|---|
| CN103393453A CN103393453A (en) | 2013-11-20 |
| CN103393453B true CN103393453B (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310299533.XA Active CN103393453B (en) | 2013-07-17 | 2013-07-17 | Wrist joints moving type support |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105398966A (en) * | 2015-12-17 | 2016-03-16 | 安徽理工大学 | Mechanically-controlled hoisting device |
| CN105596067A (en) * | 2016-03-25 | 2016-05-25 | 郭谦 | Outer fixing bracket for wrist joint |
| CN108904208B (en) * | 2018-07-23 | 2021-02-23 | 玉林市好邦医疗设备有限责任公司 | Universal joint arm hand rest |
| CN111839705A (en) * | 2020-06-28 | 2020-10-30 | 北京市春立正达医疗器械股份有限公司 | Cable tightener |
| CN112370154B (en) * | 2020-11-13 | 2022-07-08 | 山东中医药大学附属医院 | Fracture distal end reduction trajectory planning system and reduction system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6171309B1 (en) * | 1995-02-15 | 2001-01-09 | Acumed, Inc. | External fixator for repairing fractures of distal radius and wrist |
| CN1463679A (en) * | 2002-06-17 | 2003-12-31 | 颜宗宝 | Orthopaedic sliding channel bar exterior fixing device |
| CN201108488Y (en) * | 2007-12-20 | 2008-09-03 | 周建明 | Articulatio carpi exterior fixing rack |
| CN102551853A (en) * | 2010-12-14 | 2012-07-11 | 史赛克创伤公司 | Fixation clamp with thumbwheel |
| CN203436382U (en) * | 2013-07-17 | 2014-02-19 | 苏州爱得科技发展有限公司 | Wrist joint movable support |
-
2013
- 2013-07-17 CN CN201310299533.XA patent/CN103393453B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6171309B1 (en) * | 1995-02-15 | 2001-01-09 | Acumed, Inc. | External fixator for repairing fractures of distal radius and wrist |
| CN1463679A (en) * | 2002-06-17 | 2003-12-31 | 颜宗宝 | Orthopaedic sliding channel bar exterior fixing device |
| CN201108488Y (en) * | 2007-12-20 | 2008-09-03 | 周建明 | Articulatio carpi exterior fixing rack |
| CN102551853A (en) * | 2010-12-14 | 2012-07-11 | 史赛克创伤公司 | Fixation clamp with thumbwheel |
| CN203436382U (en) * | 2013-07-17 | 2014-02-19 | 苏州爱得科技发展有限公司 | Wrist joint movable support |
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| Publication number | Publication date |
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| CN103393453A (en) | 2013-11-20 |
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Address after: 215625 Zhangjiagang, Jiangsu Jin Nan Road, Fengzhen Patentee after: SUZHOU AND SCIENCE & TECHNOLOGY DEVELOPMENT CO., LTD, Address before: 215600 Suzhou, Jiangsu, Zhangjiagang Jin Fengzhen Town South Road, Suzhou science and Technology Development Co., Ltd. Patentee before: Suzhou AND Science & Technology Development Co., Ltd. |
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