CN105078621B - A kind of Nitinol with agnail in marrow manually full carpal joint prosthese - Google Patents
A kind of Nitinol with agnail in marrow manually full carpal joint prosthese Download PDFInfo
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- CN105078621B CN105078621B CN201510602315.8A CN201510602315A CN105078621B CN 105078621 B CN105078621 B CN 105078621B CN 201510602315 A CN201510602315 A CN 201510602315A CN 105078621 B CN105078621 B CN 105078621B
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- screw
- fixed body
- bone
- pulp cavity
- hemispherical
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- 210000003797 carpal joint Anatomy 0.000 title claims abstract description 28
- 229910001000 nickel titanium Inorganic materials 0.000 title claims abstract description 19
- HLXZNVUGXRDIFK-UHFFFAOYSA-N nickel titanium Chemical compound [Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni] HLXZNVUGXRDIFK-UHFFFAOYSA-N 0.000 title claims abstract description 17
- 210000000236 metacarpal bone Anatomy 0.000 claims abstract description 36
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims abstract description 21
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 12
- 239000000956 alloy Substances 0.000 claims abstract description 12
- 229920001169 thermoplastic Polymers 0.000 claims abstract description 10
- 239000004416 thermosoftening plastic Substances 0.000 claims abstract description 10
- 210000000988 bone and bone Anatomy 0.000 claims abstract description 9
- 210000003189 scaphoid bone Anatomy 0.000 claims abstract description 6
- 210000000266 trapezoid bone Anatomy 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 6
- 238000005520 cutting process Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 230000006870 function Effects 0.000 description 7
- 230000015654 memory Effects 0.000 description 6
- 239000010936 titanium Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 210000000707 wrist Anatomy 0.000 description 5
- 238000002513 implantation Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000008407 joint function Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 210000003857 wrist joint Anatomy 0.000 description 3
- 206010052428 Wound Diseases 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 210000003010 carpal bone Anatomy 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000007850 degeneration Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 210000004872 soft tissue Anatomy 0.000 description 2
- 208000036487 Arthropathies Diseases 0.000 description 1
- 208000023275 Autoimmune disease Diseases 0.000 description 1
- 208000012659 Joint disease Diseases 0.000 description 1
- HZEWFHLRYVTOIW-UHFFFAOYSA-N [Ti].[Ni] Chemical compound [Ti].[Ni] HZEWFHLRYVTOIW-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000005457 ice water Substances 0.000 description 1
- 208000026278 immune system disease Diseases 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 231100000915 pathological change Toxicity 0.000 description 1
- 230000036285 pathological change Effects 0.000 description 1
- 201000003068 rheumatic fever Diseases 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
Landscapes
- Prostheses (AREA)
Abstract
The invention discloses a kind of Nitinol with agnail in marrow manually full carpal joint prosthese, including pulp cavity fixed body and hemispherical connector, pulp cavity fixed body and hemispherical connector are made by memorial alloy；Described pulp cavity fixed body includes two pieces of shape memory alloys that front end is connected, and the front end junction of two pieces of shape memory alloys forms hemispherical groove, two pieces of shape memory alloys all cuts and thermoplastic goes out multiple fins；In the hemisphere face receiving of described hemispherical connector and hemispherical groove, hemispherical connector front end is fixedly installed the first screw, metacarpal bone,middle fixed body and the second screw, and the fixing body side surface of metacarpal bone,middle cuts and thermoplastic has multiple barb-shaped raised；Groove is all cut with described first screw and the second screw, the first screw is fixedly connected lunar and the ditch bone of human body, the second screw is fixedly connected scaphoid bone and the trapezoid bone of human body；This manually full carpal joint prosthese be made up of Ultimum Ti, firmly install, good stability.
Description
Technical field
The present invention relates to medical instruments field, manually full carpal joint is false for specifically a kind of Nitinol with agnail in marrow
Body.
Background technology
The wrist that manually full carpal joint prosthese is mainly used in various wounds, autoimmune disease, degeneration cause closes
The patient that section pain, deformity, function are lost, involves the patient in multiple joints, can retrieve carpal joint particularly with arthropathy
Most of function, reduces disability rate, improves patients ' life quality.Carpal joint is very flexible and the most complicated joint in human body,
The function of playing in daily life is maximum.The immune diseases such as rheumatic arthritis normal accumulation carpal joint, wound and Working Life
Apply the degeneration excessively leading to all can cause the serious damage of carpal joint.And full carpal joint integration technology general at present
Can make patient lose the carpal function of almost all, especially for pathological changes accumulate multiple joints patient's function forfeiture rate more
High.Full wrist displacement can retain most of carpal function, thoroughly solves the pain of patient and lopsided problem.
Patent consulting result shows both at home and abroad, and having no a kind of full carpal joint prosthetic material at present is application memory metal, existing
, after carrying out full wrist displacement, prosthetic loosening rate, unstability, fracture probability are high for the full carpal joint prosthese having.Artificial from the first generation
So far half a century has been exceeded, artificial joint is stable and persistency always limits the most main of its development since full carpal joint application
Want factor.And patient requires day by day to improve for wrist joint function.Therefore, still it is not provided that good stablizing in current prosthese
Property, persistency and provide carpal joint good function in the case of, carry out design and the invention of novel artificial full carpal joint prosthese, can
To provide the more preferable therapeutic modality of patient, mitigate patient suffering, reduce lopsided, the disabled probability of patient, greatly improve patient's
Quality of life.
Content of the invention
It is an object of the invention to provide a kind of Nitinol with agnail in marrow manually full carpal joint prosthese, to solve
The problem proposing in above-mentioned background technology.
For achieving the above object, the present invention provides following technical scheme：
A kind of Nitinol with agnail in marrow manually full carpal joint prosthese, connects including pulp cavity fixed body and hemispherical
Body, described pulp cavity fixed body and hemispherical connector are made by memorial alloy；Described pulp cavity fixed body is fixed on the marrow of human body
Intracavity, pulp cavity fixed body includes two pieces of shape memory alloys that front end is connected, the front end junction of two pieces of shape memory alloys formed with
Hemispherical connects the hemispherical groove of mates, and two pieces of shape memory alloys form cylindrical shape through bound edge process, and two pieces of memories
All cut on alloy sheet and thermoplastic goes out multiple fins, fin is towards the front end of pulp cavity fixed body；The half of described hemispherical connector
In sphere receiving and hemispherical groove, described hemispherical connector front end is fixedly installed the first screw, metacarpal bone,middle fixed body
With the second screw, described first screw, metacarpal bone,middle fixed body and the second screw are made by memorial alloy, and described first spiral shell
Nail and the second screw top half are provided with gap, and described metacarpal bone,middle fixed body is fixed in the metacarpal bone,middle of human body, and the 3rd
Metacarpal bone fixed body is cylindrical shape, and cylinder sides are cut and thermoplastic has multiple barb-shaped raised, the raised direction of barb-shaped the 3rd palm
The rear end of bone fixation body；All be cut with groove along its length on described first screw and the second screw, two grooves respectively from
The front end of the first screw and the second screw extends to rear portion, and the first screw is fixedly connected lunar and the ditch bone of human body, the second screw
It is fixedly connected scaphoid bone and the trapezoid bone of human body.
As the further scheme of the present invention：Described memorial alloy is Ultimum Ti.
As the present invention further scheme：Angle between described fin and shape memory alloy is 30-40 °.
As the present invention further scheme：Each shape memory alloy is provided with four row fins.
Compared with prior art, the invention has the beneficial effects as follows：1st, the Nitinol manually full wrist of agnail in marrow should be carried
Articular prosthesis are made up of Ultimum Ti, are combined with the memory characteristic of material by structure, firmly install, good stability,
And possess good wrist joint function, mitigate patient suffering, reduce lopsided, the disabled probability of patient, greatly improve the life of patient
Bioplasm amount；2nd, manually full carpal joint prosthese is made up of Ultimum Ti, through a large amount of to be somebody's turn to do the Nitinol with agnail in marrow
Clinical experience card and materialogy research experiment confirm, nickel-titanium memory adds up to has good synergy with human body soft tissue, enters
One step increased the stability of prosthese, decreases activity between each carpal bone and pressure load-bearing it is ensured that the stablizing effect of prosthese.
Brief description
Fig. 1 is the structural representation of the artificial full carpal joint prosthese of Nitinol with agnail in marrow.
In figure：1- pulp cavity fixed body, 2- hemispherical connector, 3- fin, 4- hemispherical groove, 5- first screw, 6-
Three metacarpal bone fixed bodies, 7- second screw, 8- groove, 9- barb-shaped are raised.
Specific embodiment
With reference to specific embodiment, the technical scheme of this patent is described in more detail.
Refer to Fig. 1, a kind of Nitinol with agnail in marrow manually full carpal joint prosthese, including pulp cavity fixed body 1
With hemispherical connector 2, described pulp cavity fixed body 1 and hemispherical connector 2 is made by memorial alloy it is preferred that described note
Recalling alloy is Ultimum Ti；Described pulp cavity fixed body 1 is fixed in the pulp cavity of human body, and pulp cavity fixed body 1 includes front end phase
Two pieces of shape memory alloys even, the front end junction of two pieces of shape memory alloys forms the hemisphere matching with hemispherical connector 2
Connected in star 4, two pieces of shape memory alloys form in cylindrical shape, and two pieces of shape memory alloys all cuttings through bound edge process and thermoplastic go out many
Individual fin 3, fin 3 towards pulp cavity fixed body 1 front end it is preferred that the angle between described fin 3 and shape memory alloy is
30-40 °, each shape memory alloy is provided with four row fins 3, this pulp cavity fixed body 1, cutting and thermoplastic on its shape memory alloy
Go out multiple fins 3, the angle between fin 3 and shape memory alloy is 30-40 °, then carry out pulp cavity fixed body 1 at frozen water
Reason, and all of fin 3 is flattened, with facilitating, pulp cavity fixed body 1 is placed in the pulp cavity of human body, pulp cavity fixed body 1 is planted
After entering pulp cavity, fin 3 gradually recovers normal shape and tilts, and the fin 3 of tilting produces, to the side wall of pulp cavity, the pressure strutting, and
Assume " agnail " structure, it is to avoid pulp cavity fixed body 1 gets loose in pulp cavity, firmly installs；The hemisphere face of described hemispherical connector 2
In receiving and hemispherical groove 4, between the two can be freely rotatable, to ensure to retain most of carpal work(after displacement
Can, described hemispherical connector 2 front end is fixedly installed the first screw 5, metacarpal bone,middle fixed body 6 and the second screw 7, and described the
One screw 5, metacarpal bone,middle fixed body 6 and the second screw 7 are made by memorial alloy, and described first screw 5 and the second screw 7
Top half is provided with gap, the use of front tighten the first screw 5 and the second screw 7 and cold water treatment is gap hour, implantation
Recover shape after human body, expand generation pressure, more preferably, described metacarpal bone,middle fixed body 6 is fixed on the of human body to fixed effect
In three metacarpal bones, metacarpal bone,middle fixed body 6 is cylindrical shape, and cylinder sides are cut and thermoplastic has multiple barb-shaped projections 9, barb-shaped
Projection 9, towards the rear end of metacarpal bone,middle fixed body 6, metacarpal bone,middle fixed body 6 is cut and thermoplastic is gone out multiple barb-shaped projections 9,
Then metacarpal bone,middle fixed body 6 is carried out frozen water process, and by raised for all of barb-shaped 9 pressings, to facilitate metacarpal bone,middle
Fixed body 6 is placed in the metacarpal bone,middle of human body, and metacarpal bone,middle fixed body 6 is implanted after metacarpal bone,middle, and barb-shaped projection 9 is gradually
Recover normal shape and tilt, and the pressure that the side wall generation of pulp cavity is strutted, it is to avoid metacarpal bone,middle fixed body 6 is from metacarpal bone,middle
Inside get loose, firmly install；Groove 8 is all cut with described first screw 5 and the second screw 7,8 points of two grooves along its length
Do not extend to rear portion from the front end of the first screw 5 and the second screw 7, the first screw 5 is fixedly connected lunar and the ditch bone of human body,
Two screws 7 are fixedly connected scaphoid bone and the trapezoid bone of human body, before implantation, the first screw 5 and the second screw 7 are carried out ice
Water process, and mediate the first screw 5 and the shank of screw of the second screw 7, make the shank of screw body of groove 8 both sides close to each other, by
One screw 5 is fixedly connected lunar and the ditch bone of human body, after the second screw 7 is fixedly connected scaphoid bone and the trapezoid bone of human body, the
One screw 5 and the second screw 7 gradually recover normal shape, and the shank of screw body of groove 8 both sides is located remotely from each other, to corresponding human body bone
The pressure that the generation of rostral wall struts, it is to avoid the first screw 5 and the second screw 7 get loose, and firmly install.
The operation principle of the present invention is：The described Nitinol with agnail in marrow manually full carpal joint prosthese, in implantation
Before human body, first frozen water process is carried out to it, all of for pulp cavity fixed body 1 fin 3 is flattened, to facilitate pulp cavity fixed body
1 is placed in the pulp cavity of human body, by raised for all of barb-shaped of metacarpal bone,middle fixed body 69 pressings, to facilitate metacarpal bone,middle
Fixed body 6 is placed in the metacarpal bone,middle of human body, mediates the shank of screw of the first screw 5 and the second screw 7, makes groove 8 both sides
Shank of screw body is close to each other.After frozen water is disposed, full wrist replacement operation is carried out to patient, pulp cavity fixed body 1 is placed on people
In the pulp cavity of body, metacarpal bone,middle fixed body 6 is placed in the metacarpal bone,middle of human body, and the first screw 5 is fixedly connected the lunar of human body
With ditch bone, the second screw 7 is fixedly connected scaphoid bone and the trapezoid bone of human body.Fin after implantation finishes, on pulp cavity fixed body 1
3 gradually recover normal shape and tilt, and the fin 3 of tilting produces, to the side wall of pulp cavity, the pressure strutting, and assumes " agnail " knot
Structure, it is to avoid pulp cavity fixed body 1 gets loose in pulp cavity, the barb-shaped projection 9 on metacarpal bone,middle fixed body 6 gradually recovers normal shape
And tilting, and the pressure that the side wall generation of pulp cavity is strutted, it is to avoid metacarpal bone,middle fixed body 6 gets loose in metacarpal bone,middle, first
Screw 5 and the second screw 7 gradually recover normal shape, and the shank of screw body of groove 8 both sides is located remotely from each other, to corresponding human body bone
The pressure that side wall generation struts, it is to avoid the first screw 5 and the second screw 7 get loose.
The described Nitinol with agnail in marrow manually be made up of Ultimum Ti, by structure by full carpal joint prosthese
Combine with the memory characteristic of material, firmly install, good stability, and possess good wrist joint function, mitigate patient suffering,
Reduce lopsided, the disabled probability of patient, greatly improve the quality of life of patient；The described Nitinol with agnail in marrow is artificial
Full carpal joint prosthese is made up of Ultimum Ti, confirms through a large amount of clinical experiences card and materialogy research experiment, NiTi
Memory is total to have good synergy with human body soft tissue, further increases the stability of prosthese, decrease each carpal bone it
Between activity and pressure load-bearing it is ensured that the stablizing effect of prosthese.
Above the better embodiment of this patent is explained in detail, but this patent is not limited to above-mentioned embodiment party
Formula, in the ken that one skilled in the relevant art possesses, can also be on the premise of without departing from this patent objective
Various changes can be made.
Claims (4)
1. a kind of Nitinol with agnail in marrow manually full carpal joint prosthese it is characterised in that including pulp cavity fixed body (1)
With hemispherical connector (2), described pulp cavity fixed body (1) and hemispherical connector (2) are made by memorial alloy；Described pulp cavity
Fixed body (1) is fixed in the pulp cavity of human body, and pulp cavity fixed body (1) includes two pieces of shape memory alloys that front end is connected, two pieces of notes
Recall the hemispherical groove (4) that the front end junction formation of alloy sheet is matched, two pieces of shape memory alloys with hemispherical connector (2)
Through bound edge process formed cylindrical shape, and two pieces of shape memory alloys on all cutting and thermoplastic goes out multiple fins (3), fin (3) towards
The front end of pulp cavity fixed body (1)；The hemisphere face of described hemispherical connector (2) accommodates, described hemisphere interior with hemispherical groove (4)
Shape connector (2) front end is fixedly installed the first screw (5), metacarpal bone,middle fixed body (6) and the second screw (7), and described first
Screw (5), metacarpal bone,middle fixed body (6) and the second screw (7) are made by memorial alloy, and described first screw (5) and
Two screws (7) top half is provided with gap, and described metacarpal bone,middle fixed body (6) is fixed in the metacarpal bone,middle of human body, and the 3rd
Metacarpal bone fixed body (6) is cylindrical shape, and cylinder sides are cut and thermoplastic has multiple barb-shaped projection (9), barb-shaped projection (9) court
Rear end to metacarpal bone,middle fixed body (6)；All it is cut with logical on described first screw (5) and the second screw (7) along its length
Groove (8), two grooves (8) extend to rear portion from the front end of the first screw (5) and the second screw (7) respectively, and the first screw (5) is solid
Surely lunar and the ditch bone of human body are connected, the second screw (7) is fixedly connected scaphoid bone and the trapezoid bone of human body.
2. the Nitinol with agnail in marrow according to claim 1 manually full carpal joint prosthese it is characterised in that institute
Stating memorial alloy is Ultimum Ti.
3. the Nitinol with agnail in marrow according to claim 1 and 2 manually full carpal joint prosthese, its feature exists
In angle and shape memory alloy between for the described fin (3) is 30-40 °.
4. the Nitinol with agnail in marrow according to claim 3 manually full carpal joint prosthese it is characterised in that every
Individual shape memory alloy is provided with four row fins (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510602315.8A CN105078621B (en) | 2015-09-21 | 2015-09-21 | A kind of Nitinol with agnail in marrow manually full carpal joint prosthese |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510602315.8A CN105078621B (en) | 2015-09-21 | 2015-09-21 | A kind of Nitinol with agnail in marrow manually full carpal joint prosthese |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105078621A CN105078621A (en) | 2015-11-25 |
| CN105078621B true CN105078621B (en) | 2017-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510602315.8A Expired - Fee Related CN105078621B (en) | 2015-09-21 | 2015-09-21 | A kind of Nitinol with agnail in marrow manually full carpal joint prosthese |
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| CN (1) | CN105078621B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106073955A (en) * | 2016-06-08 | 2016-11-09 | 李川 | A kind of high abrasion interphalangeal joint prosthese of stable connection |
| CN106691634B (en) * | 2016-11-18 | 2018-05-15 | 徐永清 | A kind of wrist joint prosthese with titanium alloy lockplate |
| CN110013363A (en) * | 2019-04-26 | 2019-07-16 | 中国人民解放军联勤保障部队第九二〇医院 | A high-flexibility bionic half-finger joint replacement |
| CN110013362A (en) * | 2019-04-26 | 2019-07-16 | 中国人民解放军联勤保障部队第九二〇医院 | A highly flexible bionic total finger joint replacement |
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|---|---|---|---|---|
| DE69205935T2 (en) * | 1991-09-12 | 1996-04-25 | Tornier Sa | Prosthetic wrist. |
| EP0749735A1 (en) * | 1995-06-21 | 1996-12-27 | Sulzer Orthopädie AG | Artificial hand joint |
| DE69917011T2 (en) * | 1997-12-31 | 2004-09-02 | Biomet Merck France | wrist prosthesis |
| CN101708139B (en) * | 2009-05-31 | 2012-08-08 | 天津市威曼生物材料有限公司 | Ball-and-socket type wrist joint prosthesis device |
| CN203524812U (en) * | 2013-09-11 | 2014-04-09 | 徐永清 | External clamping and fixing type high-functionality artificial wrist joint prosthesis device |
| CN104473685A (en) * | 2014-11-07 | 2015-04-01 | 周汝寿 | Intra-fixing nail for repairing intra-articular cartilage fracture of human body |
| CN104720938A (en) * | 2015-04-09 | 2015-06-24 | 徐永清 | Artificial total wrist joint prosthesis made of nickel-titanium memory metal |
| CN205041571U (en) * | 2015-09-21 | 2016-02-24 | 徐永清 | Artifical full wrist joint prosthesis of nickel titanium alloy with barb in marrow |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7625408B2 (en) * | 2003-07-22 | 2009-12-01 | Avanta Orthopaedics, Llc | Prosthetic wrist implant |
| US20060161260A1 (en) * | 2003-12-23 | 2006-07-20 | Gareth Thomas | Total wrist prosthesis |
| US9173683B2 (en) * | 2011-08-31 | 2015-11-03 | DePuy Synthes Products, Inc. | Revisable orthopedic anchor and methods of use |
-
2015
- 2015-09-21 CN CN201510602315.8A patent/CN105078621B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE69205935T2 (en) * | 1991-09-12 | 1996-04-25 | Tornier Sa | Prosthetic wrist. |
| EP0749735A1 (en) * | 1995-06-21 | 1996-12-27 | Sulzer Orthopädie AG | Artificial hand joint |
| DE69917011T2 (en) * | 1997-12-31 | 2004-09-02 | Biomet Merck France | wrist prosthesis |
| CN101708139B (en) * | 2009-05-31 | 2012-08-08 | 天津市威曼生物材料有限公司 | Ball-and-socket type wrist joint prosthesis device |
| CN203524812U (en) * | 2013-09-11 | 2014-04-09 | 徐永清 | External clamping and fixing type high-functionality artificial wrist joint prosthesis device |
| CN104473685A (en) * | 2014-11-07 | 2015-04-01 | 周汝寿 | Intra-fixing nail for repairing intra-articular cartilage fracture of human body |
| CN104720938A (en) * | 2015-04-09 | 2015-06-24 | 徐永清 | Artificial total wrist joint prosthesis made of nickel-titanium memory metal |
| CN205041571U (en) * | 2015-09-21 | 2016-02-24 | 徐永清 | Artifical full wrist joint prosthesis of nickel titanium alloy with barb in marrow |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105078621A (en) | 2015-11-25 |
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