CN2398987Y - Anti-loosening artificial interphalangeal articulations of hand - Google Patents
Anti-loosening artificial interphalangeal articulations of hand Download PDFInfo
- Publication number
- CN2398987Y CN2398987Y CN 99239337 CN99239337U CN2398987Y CN 2398987 Y CN2398987 Y CN 2398987Y CN 99239337 CN99239337 CN 99239337 CN 99239337 U CN99239337 U CN 99239337U CN 2398987 Y CN2398987 Y CN 2398987Y
- Authority
- CN
- China
- Prior art keywords
- joint
- loosening
- artificial
- head
- joints
- Prior art date
- 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.)
- Expired - Fee Related
Links
- 238000003780 insertion Methods 0.000 claims abstract description 21
- 230000037431 insertion Effects 0.000 claims abstract description 21
- 239000000956 alloy Substances 0.000 claims abstract description 5
- 210000000236 metacarpal bone Anatomy 0.000 claims description 32
- 230000001815 facial effect Effects 0.000 claims description 10
- 210000001503 joint Anatomy 0.000 claims description 6
- 210000000811 metacarpophalangeal joint Anatomy 0.000 claims description 5
- 229910045601 alloy Inorganic materials 0.000 claims description 4
- 239000003814 drug Substances 0.000 claims description 3
- 230000001788 irregular Effects 0.000 claims 1
- 229920000573 polyethylene Polymers 0.000 abstract description 13
- 229910001000 nickel titanium Inorganic materials 0.000 abstract description 12
- 230000006870 function Effects 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 4
- 230000007547 defect Effects 0.000 abstract description 2
- 210000001145 finger joint Anatomy 0.000 abstract 8
- 239000004698 Polyethylene Substances 0.000 abstract 1
- 210000000988 bone and bone Anatomy 0.000 abstract 1
- 230000002349 favourable effect Effects 0.000 abstract 1
- -1 polyethylene Polymers 0.000 abstract 1
- 238000011084 recovery Methods 0.000 abstract 1
- 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 description 10
- 238000003825 pressing Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 201000008482 osteoarthritis Diseases 0.000 description 3
- 241000905957 Channa melasoma Species 0.000 description 2
- 229920002379 silicone rubber Polymers 0.000 description 2
- 239000004945 silicone rubber Substances 0.000 description 2
- 241000309551 Arthraxon hispidus Species 0.000 description 1
- 208000006386 Bone Resorption Diseases 0.000 description 1
- 206010058046 Post procedural complication Diseases 0.000 description 1
- 208000035965 Postoperative Complications Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 210000003484 anatomy Anatomy 0.000 description 1
- 208000037873 arthrodesis Diseases 0.000 description 1
- 238000011882 arthroplasty Methods 0.000 description 1
- 230000024279 bone resorption Effects 0.000 description 1
- 239000007963 capsule composition Substances 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000002224 dissection Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 210000000281 joint capsule Anatomy 0.000 description 1
- 210000005067 joint tissue Anatomy 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000006386 memory function Effects 0.000 description 1
- 230000005055 memory storage Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 108010048734 sclerotin Proteins 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/42—Joints for wrists or ankles; for hands, e.g. fingers; for feet, e.g. toes
- A61F2/4241—Joints for wrists or ankles; for hands, e.g. fingers; for feet, e.g. toes for hands, e.g. fingers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
Landscapes
- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
Abstract
The utility model relates to anti-loosening artificial finger joints of hands. After replacement operations of artificial joints of the existing half-joint type, the existing stem leaf type, the existing joint bag type, or the existing hinge type are conducted, functional recovery is not satisfactory, and the anti-loosening artificial finger joints of hands have defects of looseness of the joints, decrease of mobility, etc. The utility model designs artificial palm bones, artificial palm finger joints, and artificial finger joints; through the components, such as a joint face portion, a neck portion, an anti-loosening blade, an internal insertion portion of a marrow cavity, an expanding tail fin, and other components, the three portions of the artificial finger joints can be combined, and looseness of the joints can be efficiently prevented. Since the structural shape is similar with the shape of the joints of the human anatomy fingers, the anti-loosening artificial finger joints of hands have favorable close contact with the human body. If the anti-loosening artificial finger joints of hands are manufactured through adopting the existing nickel-titanium alloy materials and high molecular polyethylene materials, anti-loosening functions of the anti-loosening artificial finger joints of hands can be well displayed.
Description
This utility model is a kind of anti-loosening finger prosthesis joint.
Human wound and disease all can cause the staff osteoarthrosis damaged or tetanic as rheumatoid and a variety of causes, have a strong impact on the hands function.Clinical treatment has following several mode at present: 1, use from body foot osteoarthrosis and transplant, though effect is good, but donor is limited, more has some patients to be reluctant to adopt; 2, arthroplasty, but function is poor, and effect is bad; 3, arthrodesis also is that postoperative function is poor; 4, allosome hands osteoarthrosis is transplanted, because bone resorption at a specified future date makes poor effect; 5, artificial joint replacement.Manufacture of intraocular joint material commonly used has five kinds of (1) silicone rubber (2) rustless steel (3) pottery (4) titanium alloy (5) high-molecular polythenes both at home and abroad at present.The joint type has four kinds of (1) semiarthrosis formula (2) stem chip (3) joint capsule formula (4) hinge types.Functional rehabilitation still is not very satisfactory behind the finger artificial joint replacement, finds many problems clinically:
1, post-operative complication
(1) joint mobilization and sinking
(2) tissue reaction is serious
(3) infect
(4) range of motion descends
2, artificial joint design defect
(1) there is not anti-loosening function in the design.
(2) bigger with human body articulations digitorum manus anatomical structure difference.
3, the reaction of silicone rubber finger prosthesis joint tissue is bigger, is connected unstable with phalanges.
4, be not used for repairing the damaged artificial head of metacarpal bone of head of metacarpal bone.
The purpose of this utility model is that design is a kind of rational in infrastructure, the finger prosthesis joint that mobility is good and anti-loosening.
There is artificial head of metacarpal bone in finger prosthesis of the present utility model joint, metacarpophalangeal prosthesis joint, artificial interphalangeal joint.
Artificial head of metacarpal bone is an integral body, generally makes of alloy, and out-of-shape can be divided into five parts and describe.(1) head of metacarpal bone joint portion, its shape are as a medicine ball, and the radius of ball is between 4-8mm, with the embedding mutually of cylinder cervical region; (2) cylinder cervical region shape such as radius 4-6mm, the cylinder of high 2-5mm, an end links to each other with head of metacarpal bone joint head, and the other end connects insertion section in anti-loosening blade and the medullary cavity.(3) anti-loosening blade can the 4-sheet, and blade is a rectangle, every bottom equidistant or etc. radian link to each other with the cylindrical base of cervical region respectively, lap is free.(4) insertion section shape is as a cylinder in the medullary cavity, and an end links to each other with cervical region cylinder bottom surface centre, and the other end links to each other with the expansion empennage.(5) the expansion empennage links to each other with insertion section in the medullary cavity, and long 3-6mm, empennage are " M " shape, and two is most advanced and sophisticated at a distance of 4-6mm.
The metacarpophalangeal prosthesis divides in the joint the artificial head of metacarpal bone of near-end and distal joint portion two parts.
The structure of the artificial head of metacarpal bone part of near-end is with above artificial head of metacarpal bone.Distal joint portion is made up of two parts again:
(1) the joint face is shape such as radius 4-6mm, high 8-12mm's is cylindrical, one concave end is the ball-and-socket type articular surface of R=5-7, can be shaped by the high-molecular polythene pressing mold, the articular surface opposite end is a hollow cuboid depression, can with the big protruding embedding mutually such as grade of inserting cradle portion, through hollow cuboid depression centre one vertical threaded bore is arranged, fix with standby screw and the connecting portion that inserts the support protrusion, see figure two or three.
(2) the insertion cradle portion is removed protrusion; Outside connecting portion is different with artificial head of metacarpal bone head, all the other cervical regions, anti-loosening blade part, the insertion section is all identical with artificial head of metacarpal bone structure with the expansion empennage in the medullary cavity.Head is that a cuboid protrudes and to link to each other with cervical region, the cuboid depression embedding mutually of protruding end and joint face, and the central screwed hole that 1.2 millimeters of diameters are arranged of cuboid protrusion can be fixed with screw with the joint face, and these parts are generally made of Nitinol.See figure four.
The high-molecular polythene joint facial with NiTi after gold insert cradle portion embedding mutually, then with artificial metacarpal bone head make up the metacarpophalangeal prosthesis joint.
Artificial interphalangeal joint is divided into far and near end joint two parts:
(1) near-end articular surface structure
Except that the facial and artificial head of metacarpal bone head in joint is different, all the other cervical regions, anti-loosening blade part, the insertion section is all identical with artificial head of metacarpal bone structure with the expansion empennage in the medullary cavity.Articular surface is shown in figure five, and by inside and outside two hemispherical projections, intermediate recess constitutes.
(2) distal joint face structure
Distal joint portion is made up of two parts again:
Generally insert cradle portion with the joint face of high-molecular polythene making with Nitinol; The insertion cradle portion with metacarpophalangeal joints portion that Nitinol inserts the cradle portion making is identical.High-molecular polythene joint face is a double concave, corresponding with the near-end biconvex, can be shaped by the high-molecular polythene pressing mold, the articular surface opposite end is hollow cuboid depression, can protrude embedding mutually greatly with the grade that Nitinol inserts cradle portion, there is a vertical threaded bore in central authorities under hollow cuboid depression, and the connecting portion that inserts the support protrusion with standby screw light and Nitinol fixes, and sees figure six.The high-molecular polythene joint is facial inserts cradle portion embedding mutually with Nitinol, is combined into artificial interphalangeal joint with the near-end articular surface then.
This utility model stock size scope is as follows:
Head of metacarpal bone joint portion radius 4-8mm; Neck radius 4-6mm, high 2-5mm; The anti-loosening blade length of side (1.0-2.0) * (2.0-3.0) * (5.0-7.0) mm; Insertion section diameter 2.5-4.5mm, long 12-18mm in the medullary cavity; The long 3-6mm of expansion empennage, two most advanced and sophisticated 4-6mm apart.The facial radius 4-6mm of metacarpophalangeal joints distal joint, high 8-12mm, depression ball-and-socket radius 5-7mm, articular surface opposite end cuboid depression (2-5) * (2-5) * (4-6) mm; Inserting cradle portion cuboid protrusion is (2-5) * (2-5) * (4-6) mm.
This utility model is rational in infrastructure, its profile is near human dissection articulations digitorum manus shape, its structure can be anti-loosening effectively and anti-slip or the function of sinking, and this utility model has designed each parts of artificial head of metacarpal bone, metacarpophalangeal prosthesis joint and artificial interphalangeal joint dexterously, makes its use capable of being combined.Anti-loosening blade can effectively be controlled loosening, empennage can be anti-rotation and pulp cavity in longitudinal sliding motion.Two kinds of materials of Nitinol and high-molecular polythene use through prior art all has excellent biological compatibility, this utility model is if select for use Nitinol take place to absorb to occur when loosening at sclerotin by memory function, the answer tension force of memory storage can continuous action, anti-loosening blade is closed up, reach long-term anti-loosening purpose.
Fig. 1 is artificial head of metacarpal bone sketch map.
Fig. 2 is metacarpophalangeal prosthesis joint figure.
Fig. 3 is the facial figure in metacarpophalangeal prosthesis joint.
Fig. 4 is the insertion cradle portion figure that is used for metacarpophalangeal joints and interphalangeal joint.
Fig. 5 is meant a joint near-end articular surface figure.
Fig. 6 is meant a joint distal joint face figure.
1 is the head of metacarpal bone joint portion among the above-mentioned figure, the 2nd, and cervical region, the 3rd, anti-loosening blade, the 4th, insertion section in the medullary cavity, the 5th, the expansion empennage, the 6th, metacarpophalangeal prosthesis joint face, the 7th, screw, the 8th, insert cradle portion.
Embodiment:
1, artificial head of metacarpal bone
Material: Nitinol
An alloy monolithic is got in making, and 35 millimeters of radius 6 millimeters long are cylindric, can be divided into five parts and make, and sees figure one.
(1) head of metacarpal bone joint portion lathe car is shaped as the medicine ball of 6 millimeters of radiuses, links to each other with cervical region, and shape and human body head of metacarpal bone are dissected approaching.
(2) cervical region lathe car is shaped as 5 millimeters high cylinders of 3 millimeters of a radius, and an end links to each other with head, and the other end connects insertion section in anti-loosening blade and the medullary cavity.
(3) insertion section lathe car goes out the cylinder of shape as 15 millimeters of a diameter 3.5 millimeters long in the medullary cavity, and an end links to each other with cervical region cylinder bottom surface centre, and the other end links to each other with the expansion empennage, notes reserving locking movable vane part and does not prune.
(4) the anti-loosening blade-section that will reserve of anti-loosening blade cuts into four, the cuboid that the blade shaped such as the length of side are 1.5 * 2.5 * 6 millimeters, every bottom equidistant or etc. radian link to each other with the cylindrical base of cervical region respectively, lap is free.
(5) expansion empennage is " M " shape with the long 5 millimeters turning of alloy one end, and two is most advanced and sophisticated at a distance of 5 millimeters.
2, high-molecular polythene joint face
Press earlier the drawing geomery and make mould, be shaped by the high-molecular polythene pressing mold.See figure three.
3, Nitinol inserts cradle portion
The connecting portion that go out to protrude by the drawing lathe turning, except that the connecting portion that protrudes is different with artificial head of metacarpal bone head, all the other cervical regions, anti-loosening blade part, insertion section and expand the manufacturing of empennage all with manually the head of metacarpal bone structure is identical in the medullary cavity.See figure four.
4, near-end articular surface structure
Go out the joint face by the drawing lathe turning, except that the facial and artificial head of metacarpal bone head in joint is different, all the other cervical regions, anti-loosening blade part, the insertion section is all identical with artificial head of metacarpal bone manufacture method with the expansion empennage in the medullary cavity.Articular surface is shown in figure five.
5, distal joint face high-molecular polythene joint is facial makes, and presses the drawing mfg. moulding die earlier, sees figure six.Be shaped with the high-molecular polythene pressing mold then.
Claims (3)
1, a kind of anti-loosening finger prosthesis joint is artificial head of metacarpal bone, is a block-shaped irregular alloy monolithic, can be divided into five parts, it is characterized in that:
(1) head of metacarpal bone joint portion (1) is a medicine ball, with cervical region (2) embedding mutually;
(2) cervical region is a cylinder, and an end links to each other with the head of metacarpal bone joint portion, and the other end connects insertion section (4) in anti-loosening blade (3) and the medullary cavity;
(3) anti-loosening blade is the cuboid sheet of 4-6 sheet, and every base links to each other with the cylindrical base of cervical region, and lap is free;
(4) insertion section is a cylinder in the medullary cavity, and an end links to each other with cervical region cylinder bottom surface central authorities, and the other end links to each other with expansion empennage (5);
(5) the expansion empennage links to each other with insertion section in the medullary cavity, and empennage is " M " shape.
2, a kind of anti-loosening finger prosthesis joint is the metacarpophalangeal prosthesis joint, comprises artificial head of metacarpal bone of near-end and distal joint, it is characterized in that distal joint part two parts:
(1) joint face (6) is cylindrical, and a concave end is ball-and-socket type, and its opposite end is the cuboid depression, and a vertical threaded bore (7) is through in the middle of joint face and the cuboid depression;
(2) insert interior insertion section of cuboid protuberance, cervical region, anti-loosening blade part, medullary cavity and the expansion empennage that cradle portion (8) has articular surface portion to connect, in the middle of cuboid protrudes a screwed hole is arranged;
The artificial head of metacarpal bone of near-end is identical with artificial head of metacarpal bone structure.
3, a kind of anti-loosening finger prosthesis joint is artificial interphalangeal joint, comprises near-end articular surface and distal joint face, it is characterized in that:
(1) near-end articular surface head is to be made of two hemispherical projections intermediate recess, and the insertion section is identical with artificial head of metacarpal bone with the expansion empennage in all the other cervical regions, anti-loosening blade part, the medullary cavity;
(2) distal joint portion comprises that the joint is facial and inserts cradle portion, insert the insertion cradle portion of cradle portion with metacarpophalangeal joints portion, the joint face is two hemispherical concave-concave parts, corresponding with near-end articular surface head biconvex, facial opposite end, joint is hollow cuboid depression, protrude corresponding can the embedding mutually greatly with the grade of inserting cradle portion, there is a vertical threaded bore in the joint in the middle of the facial opposite end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99239337 CN2398987Y (en) | 1999-08-17 | 1999-08-17 | Anti-loosening artificial interphalangeal articulations of hand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99239337 CN2398987Y (en) | 1999-08-17 | 1999-08-17 | Anti-loosening artificial interphalangeal articulations of hand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2398987Y true CN2398987Y (en) | 2000-10-04 |
Family
ID=34026615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99239337 Expired - Fee Related CN2398987Y (en) | 1999-08-17 | 1999-08-17 | Anti-loosening artificial interphalangeal articulations of hand |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2398987Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1780595B (en) * | 2003-04-29 | 2013-05-29 | 香港大学 | Prosthetic device for total joint replacement in facet joint arthroplasty |
| CN103815989A (en) * | 2012-11-19 | 2014-05-28 | 苏芳庆 | Artificial implant for carpometacarpal joint |
| US9452058B2 (en) | 2012-11-07 | 2016-09-27 | Fong-Chin Su | Artificial implant for carpometacarpal joint |
| CN110013361A (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 Durable Bionic Alloy Knuckle Replacement |
-
1999
- 1999-08-17 CN CN 99239337 patent/CN2398987Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1780595B (en) * | 2003-04-29 | 2013-05-29 | 香港大学 | Prosthetic device for total joint replacement in facet joint arthroplasty |
| US9452058B2 (en) | 2012-11-07 | 2016-09-27 | Fong-Chin Su | Artificial implant for carpometacarpal joint |
| CN103815989A (en) * | 2012-11-19 | 2014-05-28 | 苏芳庆 | Artificial implant for carpometacarpal joint |
| CN103815989B (en) * | 2012-11-19 | 2015-12-23 | 苏芳庆 | Carpometacarpal joint of thumb implant |
| CN110013361A (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 Durable Bionic Alloy Knuckle Replacement |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20100010637A1 (en) | Trapezo-metacarpal implant | |
| US9192478B2 (en) | Revision hip implants and prosthesis systems | |
| CN109481098B (en) | toe joint prosthesis | |
| CN1893897A (en) | Flexible spinal disc | |
| EP0854695A1 (en) | Implant device to replace the carpometacarpal joint of the human thumb | |
| WO2003059220A1 (en) | Immediately attachable prosthesis with ingrowth portion | |
| WO2000013617A1 (en) | Elbow prosthesis | |
| CN106175995B (en) | A kind of novel hip prosthesis | |
| CN2398987Y (en) | Anti-loosening artificial interphalangeal articulations of hand | |
| CN213310610U (en) | 3D prints distal humerus prosthesis | |
| CN111743666A (en) | An implantable finger joint prosthesis | |
| CN2580920Y (en) | Femur for artificial coxa replacement | |
| US11033393B2 (en) | Hip interpositional spacer | |
| CN210541941U (en) | High-flexibility bionic total-finger joint replacement part | |
| CN112137766A (en) | Replacement scaphoid used in orthopedic surgery | |
| CN2318995Y (en) | Non-handle dissecting artificial hip joint | |
| CN2744318Y (en) | Hinge type artificial knuckle | |
| EP2904990A1 (en) | Implant | |
| CN2322572Y (en) | Tuna shape hip joint prosthesis | |
| CN1324603A (en) | Universal joint type artificial shoulder joints | |
| CN206183437U (en) | Novel hip joint prosthesis | |
| CN214387784U (en) | Replacement scaphoid used in orthopedic surgery | |
| CN2636842Y (en) | Artificial bionic centrum | |
| CN211131556U (en) | shoulder prosthesis | |
| CN218305219U (en) | Movable and adjustable double-finger articular surface prosthesis and single-finger articular surface prosthesis |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |