CN100539960C - Universal type fixer outside far end bone of radius - Google Patents
Universal type fixer outside far end bone of radius Download PDFInfo
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- CN100539960C CN100539960C CNB2007101436304A CN200710143630A CN100539960C CN 100539960 C CN100539960 C CN 100539960C CN B2007101436304 A CNB2007101436304 A CN B2007101436304A CN 200710143630 A CN200710143630 A CN 200710143630A CN 100539960 C CN100539960 C CN 100539960C
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- draw point
- point clamper
- universal type
- clamper
- outer sleeve
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 210000000988 bone and bone Anatomy 0.000 title claims abstract description 30
- 229910000831 Steel Inorganic materials 0.000 claims description 21
- 239000010959 steel Substances 0.000 claims description 21
- 208000031481 Pathologic Constriction Diseases 0.000 claims description 6
- 210000001215 vagina Anatomy 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 8
- 230000002980 postoperative effect Effects 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 2
- 206010017076 Fracture Diseases 0.000 description 26
- 208000010392 Bone Fractures Diseases 0.000 description 24
- 208000024779 Comminuted Fractures Diseases 0.000 description 7
- 210000000236 metacarpal bone Anatomy 0.000 description 6
- 206010037802 Radius fracture Diseases 0.000 description 5
- 210000003797 carpal joint Anatomy 0.000 description 4
- 210000000707 wrist Anatomy 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 239000011505 plaster Substances 0.000 description 3
- 208000001132 Osteoporosis Diseases 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000010298 pulverizing process Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000002560 therapeutic procedure Methods 0.000 description 2
- 101150071434 BAR1 gene Proteins 0.000 description 1
- 241000385250 Epioblasma triquetra Species 0.000 description 1
- 206010016997 Forearm fracture Diseases 0.000 description 1
- 208000002658 Intra-Articular Fractures Diseases 0.000 description 1
- 208000002565 Open Fractures Diseases 0.000 description 1
- 206010039984 Senile osteoporosis Diseases 0.000 description 1
- 208000026137 Soft tissue injury Diseases 0.000 description 1
- 208000002847 Surgical Wound Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 206010048049 Wrist fracture Diseases 0.000 description 1
- 210000003461 brachial plexus Anatomy 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000003414 extremity Anatomy 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000035876 healing Effects 0.000 description 1
- 239000011796 hollow space material Substances 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002687 intercalation Effects 0.000 description 1
- 238000009830 intercalation Methods 0.000 description 1
- 238000002690 local anesthesia Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 206010025482 malaise Diseases 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000035479 physiological effects, processes and functions Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 210000000323 shoulder joint Anatomy 0.000 description 1
- 210000003625 skull Anatomy 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 210000002435 tendon Anatomy 0.000 description 1
- 230000000472 traumatic effect Effects 0.000 description 1
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- Surgical Instruments (AREA)
Abstract
The invention discloses a kind of universal type fixer outside far end bone of radius.Include two slippage fixed bars, draw point clamper, draw point and cross swivel etc.Advantage is: cooperatively interacts by cross swivel, draw point clamper spinfunction separately, reached universal function, greatly facilitate operation technique, reduced difficulty of processing simultaneously, and cheap.Need not painstakingly require locking pin whether parallel in the art, shorten operating time, reduce the operation technique difficulty; Increase the versatility and the practicality of external fixator, further improved curative effect and reduced complication, make it meet the clinical practice requirement more and be applicable to field emergency.This holder design principle is simple and easy to processing, draws materials conveniently, and operation technique simply saves time, and postoperative can be adjusted according to situation.
Description
Technical field:
The present invention relates to a kind of external fixation of fracture device, particularly a kind of universal type fixer outside far end bone of radius for the treatment of comminuted fracture of distal radius.
Technical background:
Radius far-end fracture is the modal fracture of human whole body, and its sickness rate accounts for 17% of emergency treatment fracture patient; The distal radius intra-articular fracture accounts for 5% of whole forearm fracture, accounts for 25% of radius far-end fracture.In recent years along with the development of society, the vehicles make rapid progress, and Development of High-rise Buildings is rapid, unpredictable generation fracture also presents the impetus that increases sharply, add senile osteoporosis, the seriousness comminuted fracture is happened occasionally, make this type of fracture incidence rate present the trend of rising.
Traditional clinically Therapeutic Method as: displacement more easily takes place in manual reduction clamping plate that unstable distal radius fractures is traditional or plaster fixation; And reset internal fixation etc. of band nail plaster fixation, percutaneous internal fixation and haplotomia also exists many shortcomings and limitation, get inside-fixture as the need secondary surgical incision of being in hospital, or chi distal radius unstable fracture occurs and reset dissatisfied and fixing problem such as difficulty and even malunion.In order to solve an above-mentioned difficult problem, people use external fixator to strengthen fracture end to reset and recover, and particularly for the treatment comminuted fracture of distal radius, effect obviously is better than foregoing Therapeutic Method; The present situation of present domestic and international application distal radius external fixator: the distal radius external fixator is of a great variety both at home and abroad at present, divide substantially and stride carpal joint and do not stride carpal joint two classes, trans-articular type external fixator has list (ball) joint and two (ball) joint type again, trans-articular not, as far as possible trans-articular is not fixed but to comminuted fracture of distal radius, fracture is often involved articular surface, and is many at present with trans-articular type external fixator.But complicated on the structure, the support body heaviness, volume is big, the complex structure parts are many, operation technique inconvenience etc.; Locking back, small-sized sphere joint is easily loosening, and spherical joint process technology difficulty is big, costs an arm and a leg.
The patent that CN2354514Y " one-sided multifunctional ruler radius external fixator " and CN2655819Y " radius far-end fracture external fixator " also arranged at present, the former shortcoming has: 1, the splenial bone syringe needle is unnecessary (because support body itself is just rotatable) around body 360 degree rotations, and the rotation of splenial bone syringe needle makes prop not reach to press close to human body as much as possible, slackened the mechanical property of external fixation prop; 2, for screw needle status requirement height, as the also difficult adjustment of deviation occurs, and the spacing of screw needle is left with no alternative also; 3, this external fixator member is various, structure is heavy; The latter's shortcoming is: 1, connect the member complexity of ball head structure (and adapter sleeve) of two bars own, difficulty of processing is big, and is two ball head structures (and adapter sleeve); 2, hollow space is provided with screw rod in the fixed bar, just can reach spinfunction, and another has increased parts and machining complexity; Though 3, this external fixator fixed block has a plurality of fixedly needle trays, the requirement of double thread pin fixed position improves to some extent, and the selection of same double thread pin fixed position has higher requirement.
Summary of the invention:
The object of the present invention is to provide a kind of simple in structurely, be easy to processing, operation technique and patient are easy to carry, fixing really, be easy to the universal type fixer outside far end bone of radius that outpatient service emergency treatment and basic hospital use.
Purpose of the present invention is implemented by following technical scheme: universal type fixer outside far end bone of radius includes two slippage fixed bars, draw point clamper, draw point and cross swivel; One end of described two slippage fixed bars is respectively equipped with screw, described screw passes the antarafacial through hole and the nut check of described cross swivel respectively, connect as one by two described slippage fixed bars of described cross swivel, be provided with at least two draw point clampers on every described slippage fixed bar, described draw point passes described draw point clamper and fixes with described draw point clamper.
On described slippage fixed bar, be provided with anti-skidding stricture of vagina or anti-slip tank.Its objective is in order to strengthen the friction of draw point clamper and slippage fixed bar.
The other end at two described slippage fixed bars is respectively equipped with movable fastener.It can make the draw point clamper be difficult for slippage on the slippage fixed bar on the one hand, on the other hand, can take off movable fastener easily again, with the convenient number of adjusting the draw point clamper.Movable fastener can be a screw, or can with the fastener of slippage fixed bar activity clamping.
Described draw point clamper comprises body, steel clip and locking nut in draw point clamper outer sleeve, the draw point clamper; Body passes the circular port of described draw point clamper outer sleeve in the described draw point clamper, and place described draw point clamper outer sleeve inside, be described steel clip on the lower end screw rod of body in the described draw point clamper, be provided with locking nut in described steel clip bottom, the ellipse hole of the manhole of body and described draw point clamper outer sleeve coincide in the described draw point clamper.
Body is the integrative-structure of upper end nut and lower end screw rod in the wherein said draw point clamper, is provided with manhole on the nut of described draw point clamper upper end.
Described draw point clamper outer sleeve is cylindrical tubular structure, is provided with ellipse hole on the draw point clamper outer sleeve wall of described cylindrical tubular.
Described steel clip is two body holder structures, is provided with needle tray between described two relative holders, and described needle tray is a triangle clevis mouth groove.
The back side of the holder of the described steel clip adjacent with described draw point clamper outer sleeve is non slip surface, or the outer wall of the described draw point clamper outer sleeve adjacent with the back side of the holder of described steel clip is non slip surface, or is respectively non slip surface at the back side of above-mentioned adjacent holder and the outer wall of outer sleeve.
Described cross swivel is that the orthogonal antarafacial spare that is connected as a single entity is formed, and is respectively equipped with two vertical antarafacial through holes of antarafacial on described orthogonal antarafacial spare.
The contact surface of the screw of described slippage fixed bar and described cross swivel is respectively equipped with anti-skidding stricture of vagina.
The invention has the advantages that: cooperatively interact by cross swivel, draw point clamper spinfunction separately, reached universal function, greatly facilitate operation technique, reduced difficulty of processing simultaneously, cheap.Need not painstakingly require locking pin whether parallel in the art, shorten operating time, reduce the operation technique difficulty; Increase the versatility and the practicality of external fixator, further improved curative effect and reduced complication, make it meet the clinical practice requirement more and be applicable to field emergency.This holder design principle is simple and easy to processing, draws materials conveniently, and operation technique simply saves time, and postoperative can be adjusted according to situation.
Description of drawings:
Fig. 1 is a structural representation of the present invention.
The structural representation of Fig. 2 draw point clamper of the present invention.
Fig. 3 is the front view of cross swivel of the present invention.
Fig. 4 is the vertical view of cross swivel of the present invention.
Fig. 5 specifically uses sketch map for the present invention.
Slippage fixed bar-1, draw point clamper-2, draw point-3, cross swivel-4, screw-5, antarafacial through hole-6, nut-7, movable fastener-8, draw point clamper outer sleeve-9, body-10, steel clip-11 in the draw point clamper, locking nut-12, manhole-13, ellipse hole-14, circular port-15, needle tray-16, second metacarpal bone-17, radius-18
The specific embodiment:
Embodiment 1: universal type fixer outside far end bone of radius includes two slippage fixed bars 1, draw point clamper 2, draw point 3, cross swivel 4; One end of two slippage fixed bars 1 is respectively equipped with screw 5, screw 5 passes the antarafacial through hole 6 and nut 7 lockings of cross swivel 4 respectively, connect as one by 4 two slippage fixed bars 1 of cross swivel, on every slippage fixed bar 1, be provided with two draw point clampers 2, draw point 3 passes draw point clamper 2 and fixing with draw point clamper 2, on slippage fixed bar 1, be provided with anti-skidding stricture of vagina or anti-slip tank, its objective is in order to strengthen the friction of draw point clamper 2 and slippage fixed bar 1.The other end at two slippage fixed bars 1 is respectively equipped with movable fastener 8, and it can make draw point clamper 2 be difficult for slippage on slippage fixed bar 1 on the one hand, on the other hand, can take off movable fastener 8 easily again, with the convenient number of adjusting draw point clamper 2.Movable fastener 8 can be a screw, or can with the fastener of slippage fixed bar 1 activity clamping.
Solid periodic requirement can be 2 to draw point clamper 2 bases on the every slippage fixed bar 1 of universal type fixer outside far end bone of radius to human body, 3, or more.
Adopt the operation of the universal type fixer outside far end bone of radius of embodiment 1, to before the comminuted fracture of distal radius patient art conventional clap suffer from carpal joint just, side position X-ray film, add in case of necessity and make CT examination, to understand degree of injury and scope.Operation is carried out under brachial plexus or local anesthesia, and the closed manual reduction of first continuous traction in the art, and by C type arm machine check reset effect also can be used Kirschner wire and carry out temporarily fixingly, fracture and articular surface is recovered or near the dissect physiology position.After the reduction of the fracture; draw point 3 is separately fixed at second metacarpal bone 17 basilar parts and does apart from the radius of fracture end nearly fracture end more than 3～4 centimetres; have an injection for the entry point closure apart from metacarpal bone two ends 1 centimeters respectively from second metacarpal bone 17 back of the body outsides earlier; behind small sleeve separation and the protection extensor tendon; become 30 ° of vertical metacarpal bone longitudinal axis to pierce two pieces of draw points 3 of metacarpal bone (2.5 millimeters of diameters) with electric drill with second metacarpal bone 17 frontal planes; needle point is advisable just to penetrate offside cortex; after this at radius 18 fractures radius dorsal parts; squeeze into two pieces of draw points 3 (2.5 millimeters of diameters) with method on the proximal shaft of radius of fracture end more than 3～4 centimetres, C type arm perspective further accurately resets down.The universal type fixer outside far end bone of radius of embodiment 1 is installed, at first four needle trays 16 are inserted in draw point 3 respectively during installation, make draw point clamper 2 apart from about 1.5 cm heights of skin, the universal type distal bone external fixator cross swivel 4 of embodiment 1 is placed carpal joint center of rotation place (skull joint line place), its body surface anatomic landmark is the anatomical snuff-box place, rotational structure by cross swivel 4 and draw point clamper 2, adjustment carpal joint position comprises carrying on the back stretches, the palm is bent, chi is inclined to one side and oar is inclined to one side, until being desirably, top nut 7 of universal type distal bone external fixator and the locking nut 12 of tightening embodiment 1 successively get final product.Generally being fixed on the slight partially wrist position (the Smith fracture fixation is carried on the back partially at cubit and stretched 25 ° of positions, and palmar Barton fracture fixation is stretched the position at the inclined to one side back of the body of chi, and dorsal part Barton fracture fixation is in the slight partially wrist position of bending of chi) of bending of inclined to one side neutrality of chi or chi after resetting fixes all more stable; Still understable person, limited percutaneous Kirschner wire is fixed in addition.The affected part can be made ice compress, be raised the trouble limb in the postoperative 72 hours, the functional exercise of 2 days passive fingers of begin column master of postoperative, elbow, shoulder joint.1,3,4～5 weeks of postoperative, 3, June are with examining and take the photograph the sheet check.Operation 3 week backs as be originally chi slight partially bend the wrist position fixedly the person then change neutral into and fix.The healing state that 4～6 weeks showed according to X-ray film is removed the universal type distal bone external fixator of embodiment 1.
The characteristics of distal radius unstable fracture: (1) distal radius palm, dorsal part are pulverized, and articular surface is shifted greater than 2 millimeters; (2) inclination is supported or opposed tiltedly above 20 °～25 ° in palm inclination angle; (3) radius shortens greater than 5 millimeters; (4) dorsal part is pulverized and to be reached 50% or surpass the metaphysis diameter widely; (5) the intraarticular comminuted fracture has displacement, mainly fractures into the angle greater than 20 °; (6) back that resets is unstable, easily displacement again; (7) osteoporosis person and old people.In case clear and definite unsettled fracture, do not impose the manual reduction plaster fixation, even reduction with good also is difficult for keeping, and should consider the application of the universal type distal bone external fixator of embodiment 1 energetically, though and the fixing of steel plate series affirmed in effect aspect the treatment wrist fracture, but because of the fracture of pulverizing separation is arranged for the intraarticular unstable fracture, intercalation, compression, multiple modes such as rotation are also deposited, damage of articular surface is serious, the limitation of steel plate is and can not fixedly secures at the intraarticular of pulverizing, yet the universal type distal bone external fixator of embodiment 1 can be brought into play its great advantage, and its best indication is: the open fracture of pollution; Serious comminuted fracture; Accompany the fracture of serious soft tissue injury; Old fracture, bone does not connect, the fracture of traumatic infection.When using LCP fixation of distal radius fractures piece, when the hold of screw is not enough, select the indication of the universal type distal bone external fixator of embodiment 1 especially, other likes wrist tape leader decorations and fracture back because of the not easily detachable patient of swelling, and the universal type distal bone external fixator of embodiment 1 also will be brought into play irreplaceable effect.
Claims (9)
1, universal type fixer outside far end bone of radius is characterized in that, it includes two slippage fixed bars, draw point clamper, draw point and cross swivel; One end of described two slippage fixed bars is respectively equipped with screw, described screw passes the antarafacial through hole and the nut check of described cross swivel respectively, connect as one by two described slippage fixed bars of described cross swivel, on every described slippage fixed bar, be provided with at least two draw point clampers, described draw point passes described draw point clamper and fixes with described draw point clamper, it is characterized in that described draw point clamper comprises body, steel clip and locking nut in draw point clamper outer sleeve, the draw point clamper; Body passes the circular port up and down of described draw point clamper outer sleeve in the described draw point clamper, and place described draw point clamper outer sleeve inside, be described steel clip on the lower end screw rod of body in the described draw point clamper, be provided with locking nut in described steel clip bottom, the ellipse hole of the manhole of body and described draw point clamper outer sleeve coincide in the described draw point clamper.
2, universal type fixer outside far end bone of radius according to claim 1 is characterized in that, is provided with anti-skidding stricture of vagina or anti-slip tank on described slippage fixed bar.
3, universal type fixer outside far end bone of radius according to claim 1 is characterized in that, is respectively equipped with movable fastener at the other end of two described slippage fixed bars.
4, a kind of universal type fixer outside far end bone of radius according to claim 1 is characterized in that, body is the integrative-structure of upper end nut and lower end screw rod in the wherein said draw point clamper, is provided with manhole on the nut of described draw point clamper upper end.
5, a kind of universal type fixer outside far end bone of radius according to claim 1 is characterized in that, described draw point clamper outer sleeve is cylindrical tubular structure, is provided with ellipse hole on the draw point clamper outer sleeve wall of described cylindrical tubular.
6, a kind of universal type fixer outside far end bone of radius according to claim 1 is characterized in that, described steel clip is two body holder structures, is provided with needle tray between described two relative holders, and described needle tray is a triangle clevis mouth groove.
7, a kind of universal type fixer outside far end bone of radius according to claim 1, it is characterized in that, the back side of the holder of the described steel clip adjacent with described draw point clamper outer sleeve is non slip surface, or the outer wall of the described draw point clamper outer sleeve adjacent with the back side of the holder of described steel clip is non slip surface, or is respectively non slip surface at the back side of above-mentioned adjacent holder and the outer wall of outer sleeve.
8, universal type fixer outside far end bone of radius according to claim 1, it is characterized in that, described cross swivel is that the upper and lower orthogonal antarafacial spare that is connected as a single entity is formed, and is respectively equipped with two vertical antarafacial through holes of antarafacial on described orthogonal antarafacial spare.
9, universal type fixer outside far end bone of radius according to claim 1 is characterized in that, the contact surface of the screw of described slippage fixed bar and described cross swivel is respectively equipped with anti-skidding stricture of vagina.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101436304A CN100539960C (en) | 2007-08-16 | 2007-08-16 | Universal type fixer outside far end bone of radius |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101436304A CN100539960C (en) | 2007-08-16 | 2007-08-16 | Universal type fixer outside far end bone of radius |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101091668A CN101091668A (en) | 2007-12-26 |
| CN100539960C true CN100539960C (en) | 2009-09-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007101436304A Expired - Fee Related CN100539960C (en) | 2007-08-16 | 2007-08-16 | Universal type fixer outside far end bone of radius |
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| CN (1) | CN100539960C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102180434B (en) * | 2011-01-18 | 2013-03-13 | 余戈平 | Quilt-fixing needle |
| CN106420021B (en) * | 2016-11-03 | 2023-10-17 | 沙勇 | Function recovery device for forearm rotation disorder |
| CN108433795B (en) * | 2018-04-27 | 2024-09-27 | 上海康定医疗器械有限公司 | Forearm external fixation support and external fixation support |
| CN108969082A (en) * | 2018-06-27 | 2018-12-11 | 衡水增力医疗器械有限公司深州分公司 | A kind of auxiliary reset device of child femoral shaft fracture closed reduction |
| CN110025370B (en) * | 2019-05-10 | 2024-04-26 | 张纯朴 | External adjuster for bone extension and bone movement and assembling method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87210403U (en) * | 1987-07-25 | 1988-08-17 | 李俭 | I-shaped fracture reduction fixer with mechanical adjusting function |
| US5437666A (en) * | 1992-08-24 | 1995-08-01 | Synthes (U.S.A.) | External fixation device for osteosynthesis |
| CN2356649Y (en) * | 1999-03-23 | 2000-01-05 | 汤福刚 | Multi-plane high-flexibility tubular fracture external fixator |
| US6491694B1 (en) * | 1994-12-05 | 2002-12-10 | Smith & Nephew, Inc. | External fixator for distal radius fractures |
| CN1543915A (en) * | 2003-11-21 | 2004-11-10 | 南京市鼓楼医院 | Distal Radius Fracture External Fixator |
| CN2664607Y (en) * | 2003-12-19 | 2004-12-22 | 侯庆忠 | Clavicle external fixator |
| CN201076510Y (en) * | 2007-08-16 | 2008-06-25 | 王纪亮 | Universal distal radius bone external fixer |
-
2007
- 2007-08-16 CN CNB2007101436304A patent/CN100539960C/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87210403U (en) * | 1987-07-25 | 1988-08-17 | 李俭 | I-shaped fracture reduction fixer with mechanical adjusting function |
| US5437666A (en) * | 1992-08-24 | 1995-08-01 | Synthes (U.S.A.) | External fixation device for osteosynthesis |
| US6491694B1 (en) * | 1994-12-05 | 2002-12-10 | Smith & Nephew, Inc. | External fixator for distal radius fractures |
| CN2356649Y (en) * | 1999-03-23 | 2000-01-05 | 汤福刚 | Multi-plane high-flexibility tubular fracture external fixator |
| CN1543915A (en) * | 2003-11-21 | 2004-11-10 | 南京市鼓楼医院 | Distal Radius Fracture External Fixator |
| CN2664607Y (en) * | 2003-12-19 | 2004-12-22 | 侯庆忠 | Clavicle external fixator |
| CN201076510Y (en) * | 2007-08-16 | 2008-06-25 | 王纪亮 | Universal distal radius bone external fixer |
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| CN101091668A (en) | 2007-12-26 |
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