CN1803106A - Artificial knee joint with improved structure - Google Patents
Artificial knee joint with improved structure Download PDFInfo
- Publication number
- CN1803106A CN1803106A CN 200510000478 CN200510000478A CN1803106A CN 1803106 A CN1803106 A CN 1803106A CN 200510000478 CN200510000478 CN 200510000478 CN 200510000478 A CN200510000478 A CN 200510000478A CN 1803106 A CN1803106 A CN 1803106A
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- CN
- China
- Prior art keywords
- knee joint
- artificial knee
- tibial base
- structurally improved
- improved artificial
- Prior art date
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Classifications
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- 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
- A61F2/38—Joints for elbows or knees
-
- 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
Abstract
The invention discloses an improved artificial knee joint, which is characterized by the following: allocating between thigh bone and tibia; matching a femur implant in the thigh to form a knee joint to make patient move normally as usual; designing the knee joint as separation type; increasing a mobile hole of support body on the tibia base lining pad to allocate the femur implant; setting a limit body on the tibia base; rotating the support body and limit body; adapting the abrasion-proof material to avoid the sliding loss for support body; lengthening the lifetime for artificial knee joint.
Description
Technical field
The present invention relates to a kind of structurally improved artificial knee joint, particularly relate to a kind of apply between human body Thigh bone and the tibia and collocation forms one in conjunction with femoral femur implant and allows the patient that the efficient recovery structurally improved artificial knee joint of proper motion in the past can be arranged.
Background technology
The development of artificial knee joint was at first developed out by people such as Gunston in nineteen sixty-eight.Its main function be used for substituting impaired or degenerate after can't carry out the knee joint of normal function, with the interior ectocondyle (condyle) of metal simulation femur, and ultra-high molecular weight polyethylene replaces the function of joint and semilunar cartilage.To the seventies, various artificial knee joint develops in succession, and the development of artificial knee joint also is divided into both direction: a group is advocated posterior cruciate ligament to be excised when operation; And a group researcher advocates will keep posterior cruciate ligament when operation in addition.
Find from clinical effectiveness, consider based on surgical facilitation, adopt posterior cruciate ligament substituted type artificial knee joint first so far from nineteen ninety, usage ratio has been developed to 75% from original 10%, show that this kind of artificial knee joint is quite successful in clinical use, especially to the patient in the knee joint bending angle, functions such as stability performance homogeneous phase is when good, with prior art, as No. the 4213209th, United States Patent (USP), this type artificial knee joint mechanism includes a metallic tibial base that is implanted in tibia, one is disposed at the tibial base liner made from the polyethylene material on the tibial base, and one be implanted in Thigh bone and the metallic femur implant that can move on tibial base liner curved surface, kinestate mainly sees through and one-body moldedly on the tibial base liner is provided with one and connects the support of establishing the femur implant, when patient's activity or walking, Thigh bone can interlock femur implant serve as that axle moves on the curved surface of tibial base liner with this support promptly, to reach the case of bending between Thigh bone and the tibia, patient's knee joint can be recovered as the operating state as before performing the operation, but having following disappearance from the existing knee joint of clinical discovery for many years influences its service life and demands urgently improving:
One,, when the support of femur implant interlock tibial base liner be that axle rotates, because material difference, will cause the serious abrasion of support even rupture because the femur implant is that metal material is made, and the tibial base liner is made for the polyethylene material.
Two, except the influence of first interlock mechanism, also can cause tibial base liner trace on tibial base to slide when more moving because of the femur implant, tibial base is also made for metal material relatively, therefore also can cause the lower surface of tibial base liner to form the abrasion phenomenon, not only cause knee joint seriously to reduce service life, more because of the abrasion easier bone corrosion phenomenon that causes of polyethylene chip that phenomenon caused.
This shows that above-mentioned existing artificial knee joint still has many defectives, and demands urgently further being improved.In order to solve the problem that artificial knee joint exists, relevant manufacturer there's no one who doesn't or isn't seeks solution painstakingly, but do not see always that for a long time suitable design finished by development, and common product does not have appropriate structure to address the above problem, this obviously is the problem that the anxious desire of relevant dealer solves.
Because the defective that above-mentioned existing artificial knee joint exists, the inventor is based on being engaged in this type of product design manufacturing abundant for many years practical experience and Professional knowledge, actively studied innovation, in the hope of founding a kind of novel structurally improved artificial knee joint, can improve general existing artificial knee joint, make it have more practicality.Through constantly research, design, and after studying sample and improvement repeatedly, create the present invention who has practical value finally.
Summary of the invention
The objective of the invention is to, overcome the defective that existing artificial knee joint exists, and a kind of new structurally improved artificial knee joint is provided, technical problem to be solved is to make it adopt the separate type design, on the tibial base liner, have additional one and must dispose the movable span that connects the support of establishing the femur implant, and be provided with a limit body in tibial base, make this support and limit body rotatablely move at movable span, make support can be wear-resistant material and make and effectively avoid tibial base liner slip abrasion, use and prolong artificial knee joint service life, thereby be suitable for practicality more.
The object of the invention to solve the technical problems realizes by the following technical solutions.A kind of structurally improved artificial knee joint according to the present invention's proposition, it is to be disposed between Thigh bone 50 and the tibia 70, and femur implant 60 formation one that are incorporated into Thigh bone 50 of arranging in pairs or groups allow the patient recover the knee joint of proper motion in the past, it comprises: a tibial base liner 10, two curved surfaces 11,12 that possess 60 starts of femur implant on it, and on this tibial base liner 10, be provided with a movable span 13, and this movable span 13 dispose one with femur implant 60 connect the support of establishing 30, this support 30 is provided with a location division 31,32; One tibial base 20, it is ccontaining for this tibial base liner 10 that it possesses a loading end 21, and be provided with a limit body 40 on this tibial base 20, and this limit body 40 is provided with the position-limiting part 41 of this location division 31,32 of corresponding coupling.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Aforesaid structurally improved artificial knee joint, wherein said tibial base 20 ora terminalis are to convex with stop edge 22 to cross this loading end 21.
Aforesaid structurally improved artificial knee joint, wherein said stop edge 22 is provided with restriction portion 221, and is extended with location wing 14 in the corresponding restriction of tibial base liner 10 portion 221.
Aforesaid structurally improved artificial knee joint, wherein said tibial base 20 be one be extended with one with tibia 70 bonded implant posts 24.
Aforesaid structurally improved artificial knee joint, wherein said support 30 are to integrally combine with this limit body 40 to move at movable span 13 internal rotation.
Aforesaid structurally improved artificial knee joint, wherein said limit body 40 extend a limiting section 42 greater than movable span 13 apertures, and have the locating slot 23 of a ccontaining limiting section 42 on tibial base 20.
Aforesaid structurally improved artificial knee joint, the location division 31,32 of wherein said support 30 possesses external screw thread, and the position-limiting part 41 of this limit body 40 possesses the female thread that coupling is arranged.
Aforesaid structurally improved artificial knee joint, the location division 31,32 of wherein said support 30 are a movable post 321, and the position-limiting part 41 of this limit body 40 includes the loose slot 412 that a guide channel 411 and that supplies movable post 321 to enter is communicated with guide channel 411.
Aforesaid structurally improved artificial knee joint, wherein said limit body 40 is to be formed in one with tibial base 20.
Aforesaid structurally improved artificial knee joint, wherein said limit body 40 is provided with a fixed part 43 and a holddown groove 25 with tibial base 20 corresponding couplings.
Aforesaid structurally improved artificial knee joint, wherein said fixed part 43 possesses external screw thread, and this holddown groove 25 possesses the female thread that coupling is arranged.
By technique scheme, the present invention has following advantage at least: the invention relates to a kind of structurally improved artificial knee joint, it is to be disposed between Thigh bone and the tibia, and arrange in pairs or groups and one be incorporated into femoral femur implant and form one and allow the patient recover the knee joint of proper motion in the past, this knee joint sees through the separate type design, on the tibial base liner, have additional one and must dispose the movable span that connects the support of establishing the femur implant, and be provided with a limit body in tibial base, make this support and limit body rotatablely move in movable span, make support can be the wear-resistant material making and effectively avoid the tibial base liner to slide and wear away, use and reach the prolongation artificial knee joint effect in service life.
In sum, the structurally improved artificial knee joint of special construction of the present invention, it has above-mentioned many advantages and practical value, and in like product, do not see have similar structural design to publish or use and really genus innovation, no matter it structurally or bigger improvement all arranged on the function, have large improvement technically, and produced handy and practical effect, and more existing artificial knee joint has the multinomial effect of enhancement, thereby be suitable for practicality more, and have the extensive value of industry, really be a new and innovative, progressive, practical new design.
Above-mentioned explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of description, below with preferred embodiment of the present invention and conjunction with figs. describe in detail as after.
Description of drawings
Fig. 1 is the stereoscopic sketch map of the structurally improved artificial knee joint of the present invention.
Fig. 2 is the STRUCTURE DECOMPOSITION sketch map of the structurally improved artificial knee joint of the present invention.
Fig. 3 is the combination generalized section of the structurally improved artificial knee joint of the present invention.
Fig. 4 is the combination schematic top plan view of the structurally improved artificial knee joint of the present invention.
Fig. 5 is the use illustration intention of the structurally improved artificial knee joint of the present invention.
Fig. 6 is another example structure decomposing schematic representation of the structurally improved artificial knee joint of the present invention.
Fig. 7 is that another embodiment of the structurally improved artificial knee joint of the present invention makes up generalized section.
10: tibial base liner 11,12: curved surface
13: movable span 4: location wing
20: tibial base 21: loading end
22: stop edge 221: restriction portion
23: locating slot 24: implant post
25: holddown groove 30: support
31,32: location division 321: movable post
40: limit body 41: position-limiting part
411: guide channel 412: loose slot
42: limiting section 43: fixed part
50: Thigh bone 60: the femur implant
70: tibia
The specific embodiment
Below in conjunction with accompanying drawing and preferred embodiment, to its specific embodiment of structurally improved artificial knee joint, structure, feature and the effect thereof that foundation the present invention proposes, describe in detail as after.
Seeing also shown in Fig. 1,2,3,5, is stereoscopic, STRUCTURE DECOMPOSITION, combination section and the use illustration intention that proposes a kind of structurally improved artificial knee joint of the present invention.The present invention is that a kind of structurally improved artificial knee joint is to be disposed between Thigh bone 50 and the tibia 70, and the femur implant 60 that is incorporated into Thigh bone 50 of arranging in pairs or groups forms one and allows the patient recover the knee joint of proper motion in the past, and this knee joint includes a tibial base liner 10 and that connects femur implant 60 and connects the tibial base 20 of establishing tibial base liner 10.
Two curved surfaces 11,12 that possess 60 starts of femur implant on the aforementioned tibial base liner 10, and between two curved surfaces 11,12, be provided with a movable span 13 on this tibial base liner 10, and this movable span 13 dispose one with femur implant 60 connect the support of establishing 30, this support 30 is provided with a location division 31.
It is ccontaining for this tibial base liner 10 that aforementioned tibial base 20 possesses a loading end 21, and on this tibial base 20, be provided with a limit body 40, this limit body 40 is provided with the position-limiting part 41 of this location division 31 of corresponding coupling, but this tibial base 20 more one be extended with one with tibia 70 bonded implant posts 24.
The assembling mode of first embodiment of the invention is earlier tibial base liner 10 to be placed on the loading end 21 of tibial base 20, and make limit body 40 systems be positioned at movable span 13, because these tibial base 20 ora terminalis convex with stop edge 22 and cross this loading end 21, and this stop edge 22 and tibial base liner 10 corresponding restriction portion 221 and the location wings 14 of being provided with, and can effectively limit tibial base liner 10 not can because of femur implant 60 at two curved surfaces 11, having micro-sliding condition when moving on 12 produces, in addition, the support 30 of present embodiment is to integrally combine with this limit body 40 to move at movable span 13 internal rotation, it is to see through limit body 40 to extend a limiting section 42 greater than movable span 13 apertures, and on tibial base 20, be provided with the locating slot 23 of a ccontaining limiting section 42, when support 30 and limit body 40 connect the female thread of establishing position-limiting part 41 and integrally combine with the external screw thread coupling of location division 31, support 30 and limit body 40 are unlikely with limiting section 42 deviates from movable span 13 and locating slot 23, see also shown in the 4th figure, when femur implant 60 at two curved surfaces 11,12 when serving as axle rotation start with support 30, because support 30 of the present invention and limit body 40 design for separate type with tibial base liner 10, so support 30 and limit body 40 can adopt wear-resistant material to make and can not cause serious abrasion, and because of support 30 and limit body 40 are motions in movable span 13 and locating slot 23, the abrasion phenomenon generation that also can effectively avoid interlock tibial base liner 10 to slide because of producing trace is so reached and is kept the knee joint effect in service life.
Seeing also shown in Fig. 6,7, is the STRUCTURE DECOMPOSITION and the combination generalized section of another embodiment of the present invention.The main design point of the present invention is the separate design theory of support 30 and limit body 40, its relative motion state can be multiple aspect, therefore, the invention provides another relative motion mechanism, present embodiment is to have additional a movable post 321 on the location division 32 with support 30, and the position-limiting part 41 of this limit body 40 includes the loose slot 412 that a guide channel 411 and that supplies movable post 321 to enter is communicated with guide channel 411, this limit body 40 can be formed in one with tibial base 20, perhaps this limit body 40 is provided with a fixed part 43 and a holddown groove 25 with tibial base 20 corresponding couplings, and this fixed part 43 possesses external screw thread, 25 of this holddown grooves possess the female thread that coupling is arranged, when limit body 40 is incorporated into tibial base 20, at this moment, make the movable post 321 of support 30 enter round loose slot 412 by guide channel 411, when femur implant 60 interlock supports 30, rotate then in it and in loose slot 412, move through location division 32, present embodiment is to be positioned at limit body 40 motions because of support 30, avoids touching tibial base liner 10 and more effective abrasion phenomenon generation of avoiding causing tibial base liner 10 with more effective.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, though the present invention discloses as above with preferred embodiment, yet be not in order to limit the present invention, any those skilled in the art, in not breaking away from the technical solution of the present invention scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solution of the present invention, according to technical spirit of the present invention to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solution of the present invention.
Claims (11)
1, a kind of structurally improved artificial knee joint, it is to be disposed between Thigh bone (50) and the tibia (70), and the femur implant (60) that is incorporated into Thigh bone (50) of arranging in pairs or groups forms one and allows the patient recover the knee joint of proper motion in the past, it is characterized in that it comprises:
One tibial base liner (10), two curved surfaces (11,12) that possess femur implant (60) start on it, and on this tibial base liner (10), be provided with a movable span (13), and this movable span (13) dispose one with femur implant (60) connect the support of establishing (30), this support (30) is provided with a location division (31,32);
One tibial base (20), it is ccontaining for this tibial base liner (10) that it possesses a loading end (21), and be provided with a limit body (40) on this tibial base (20), this limit body (40) is provided with the position-limiting part (41) of corresponding this location division of coupling (31,32).
2, structurally improved artificial knee joint according to claim 1 is characterized in that wherein said tibial base (20) ora terminalis is to convex with stop edge (22) to cross this loading end (21).
3, structurally improved artificial knee joint according to claim 2 is characterized in that wherein said stop edge (22) is provided with restriction portion (221), and is extended with location wing (14) in tibial base liner (10) corresponding restriction portion (221).
4, structurally improved artificial knee joint according to claim 1, it is characterized in that wherein said tibial base (20) be one be extended with one with the bonded implant post of tibia (70) (24).
5, structurally improved artificial knee joint according to claim 1 is characterized in that wherein said support (30) is to integrally combine with this limit body (40) to move at movable span (13) internal rotation.
6, structurally improved artificial knee joint according to claim 5, it is characterized in that wherein said limit body (40) extends a limiting section (42) greater than movable span (13) aperture, and on tibial base (20), have the locating slot (23) of a ccontaining limiting section (42).
7, structurally improved artificial knee joint according to claim 1 it is characterized in that the location division (31,32) of wherein said support (30) possesses external screw thread, and the position-limiting part (41) of this limit body (40) possesses the female thread that coupling is arranged.
8, structurally improved artificial knee joint according to claim 1, the location division (31,32) that it is characterized in that wherein said support (30) is a movable post (321), and the position-limiting part (41) of this limit body (40) includes the loose slot (412) that a guide channel (411) and that supplies movable post (321) to enter is communicated with guide channel (411).
9, structurally improved artificial knee joint according to claim 8 is characterized in that wherein said limit body (40) and tibial base (20) are to be formed in one.
10, structurally improved artificial knee joint according to claim 8 is characterized in that wherein said limit body (40) is provided with a fixed part (43) and a holddown groove (25) with the corresponding coupling of tibial base (20).
11, structurally improved artificial knee joint according to claim 10 it is characterized in that wherein said fixed part (43) possesses external screw thread, and this holddown groove (25) possesses the female thread that coupling is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510000478 CN100469337C (en) | 2005-01-11 | 2005-01-11 | Artificial knee joint with improved structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510000478 CN100469337C (en) | 2005-01-11 | 2005-01-11 | Artificial knee joint with improved structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1803106A true CN1803106A (en) | 2006-07-19 |
| CN100469337C CN100469337C (en) | 2009-03-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510000478 Expired - Fee Related CN100469337C (en) | 2005-01-11 | 2005-01-11 | Artificial knee joint with improved structure |
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| CN (1) | CN100469337C (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101683289A (en) * | 2008-06-30 | 2010-03-31 | 德普伊产品公司 | Posterior stabilized orthopaedic prosthesis |
| CN102793594A (en) * | 2012-08-18 | 2012-11-28 | 深圳清华大学研究院 | Artificial knee joint |
| WO2013071872A1 (en) * | 2011-11-18 | 2013-05-23 | 北京纳通科技集团有限公司 | Knee joint prosthesis |
| US8784496B2 (en) | 2008-06-30 | 2014-07-22 | Depuy (Ireland) | Orthopaedic knee prosthesis having controlled condylar curvature |
| US8795380B2 (en) | 2008-06-30 | 2014-08-05 | Depuy (Ireland) | Orthopaedic knee prosthesis having controlled condylar curvature |
| US8828086B2 (en) | 2008-06-30 | 2014-09-09 | Depuy (Ireland) | Orthopaedic femoral component having controlled condylar curvature |
| US8834575B2 (en) | 2008-06-30 | 2014-09-16 | Depuy (Ireland) | Posterior stabilized orthopaedic knee prosthesis having controlled condylar curvature |
| US9119723B2 (en) | 2008-06-30 | 2015-09-01 | Depuy (Ireland) | Posterior stabilized orthopaedic prosthesis assembly |
| US9168145B2 (en) | 2008-06-30 | 2015-10-27 | Depuy (Ireland) | Posterior stabilized orthopaedic knee prosthesis having controlled condylar curvature |
| CN105982766A (en) * | 2015-02-25 | 2016-10-05 | 北京纳通科技集团有限公司 | Knee joint prosthesis with filling block |
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| FR2076838A5 (en) * | 1970-01-30 | 1971-10-15 | Lyon Ass Arts Et Metiers | |
| US3837009A (en) * | 1972-12-07 | 1974-09-24 | New York Soc Relief Of Rupture | Knee prosthesis |
| DE2744710A1 (en) * | 1977-10-05 | 1979-04-19 | Heldt Gert Dipl Ing Dr | ENDOPROSTHESIS OF A KNEE JOINT |
| TW588648U (en) * | 2002-04-04 | 2004-05-21 | Cheng-Gung Jeng | Improved structure of artificial knee joint |
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| US9204968B2 (en) | 2008-06-30 | 2015-12-08 | Depuy (Ireland) | Posterior stabilized orthopaedic prosthesis |
| US10179051B2 (en) | 2008-06-30 | 2019-01-15 | Depuy Ireland Unlimited Company | Orthopaedic knee prosthesis having controlled condylar curvature |
| US9220601B2 (en) | 2008-06-30 | 2015-12-29 | Depuy (Ireland) | Orthopaedic femoral component having controlled condylar curvature |
| CN101683289A (en) * | 2008-06-30 | 2010-03-31 | 德普伊产品公司 | Posterior stabilized orthopaedic prosthesis |
| US8734522B2 (en) | 2008-06-30 | 2014-05-27 | Depuy (Ireland) | Posterior stabilized orthopaedic prosthesis |
| US8784496B2 (en) | 2008-06-30 | 2014-07-22 | Depuy (Ireland) | Orthopaedic knee prosthesis having controlled condylar curvature |
| US8795380B2 (en) | 2008-06-30 | 2014-08-05 | Depuy (Ireland) | Orthopaedic knee prosthesis having controlled condylar curvature |
| CN101683289B (en) * | 2008-06-30 | 2014-08-13 | 德普伊产品公司 | Posterior stabilized orthopaedic prosthesis |
| US8828086B2 (en) | 2008-06-30 | 2014-09-09 | Depuy (Ireland) | Orthopaedic femoral component having controlled condylar curvature |
| US8834575B2 (en) | 2008-06-30 | 2014-09-16 | Depuy (Ireland) | Posterior stabilized orthopaedic knee prosthesis having controlled condylar curvature |
| US11369478B2 (en) | 2008-06-30 | 2022-06-28 | Depuy Ireland Unlimited Company | Orthopaedic knee prosthesis having controlled condylar curvature |
| US9119723B2 (en) | 2008-06-30 | 2015-09-01 | Depuy (Ireland) | Posterior stabilized orthopaedic prosthesis assembly |
| US9168145B2 (en) | 2008-06-30 | 2015-10-27 | Depuy (Ireland) | Posterior stabilized orthopaedic knee prosthesis having controlled condylar curvature |
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| US9931216B2 (en) | 2008-06-30 | 2018-04-03 | Depuy Ireland Unlimited Company | Orthopaedic femoral component having controlled condylar curvature |
| US9937049B2 (en) | 2008-06-30 | 2018-04-10 | Depuy Ireland Unlimited Company | Orthopaedic knee prosthesis having controlled condylar curvature |
| US10543098B2 (en) | 2008-06-30 | 2020-01-28 | Depuy Ireland Unlimited Company | Orthopaedic femoral component having controlled condylar curvature |
| US10265180B2 (en) | 2008-06-30 | 2019-04-23 | Depuy Ireland Unlimited Company | Orthopaedic knee prosthesis having controlled condylar curvature |
| WO2013071872A1 (en) * | 2011-11-18 | 2013-05-23 | 北京纳通科技集团有限公司 | Knee joint prosthesis |
| CN103120606B (en) * | 2011-11-18 | 2015-03-18 | 北京纳通科技集团有限公司 | Knee-joint prosthesis |
| CN103120606A (en) * | 2011-11-18 | 2013-05-29 | 北京纳通科技集团有限公司 | Knee-joint prosthesis |
| CN102793594A (en) * | 2012-08-18 | 2012-11-28 | 深圳清华大学研究院 | Artificial knee joint |
| CN102793594B (en) * | 2012-08-18 | 2015-11-18 | 深圳清华大学研究院 | A kind of artificial knee joint |
| CN105982766A (en) * | 2015-02-25 | 2016-10-05 | 北京纳通科技集团有限公司 | Knee joint prosthesis with filling block |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100469337C (en) | 2009-03-18 |
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