CN2768715Y - Improved structural artificial knee joint - Google Patents
Improved structural artificial knee joint Download PDFInfo
- Publication number
- CN2768715Y CN2768715Y CN 200520000814 CN200520000814U CN2768715Y CN 2768715 Y CN2768715 Y CN 2768715Y CN 200520000814 CN200520000814 CN 200520000814 CN 200520000814 U CN200520000814 U CN 200520000814U CN 2768715 Y CN2768715 Y CN 2768715Y
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- tibial base
- knee joint
- base liner
- artificial knee
- liner
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Abstract
The utility model relates to an improved structural artificial knee joint which is collocated between a femur and a tibia and is matched with a femur implant combined with the femur, thus forming a knee joint which recover the normal movement of a patient in the past. The knee joint comprises a tibia base pad which has two curved surfaces to cause the femur implant to move, and a tibia base which has a carrying surface to cause the tibia base pad to be placed. The area of the carrying surface of the tibia base meets the rotation of the tibia base pad which is linked by the femur implant, and a restricting body is arranged on the remaining region of the tibia base which is larger than the carrying surface of the tibia base pad. A left stop edge and a right stop edge which are corresponding to the restricting body are arranged on the tibia base pad to restrict a movable slot which can rotate the tibia base pad, thus achieving the efficacy of reducing abrasive dust of the tibia base pad and decreasing corrosion phenomena.
Description
Technical field
This utility model relates to a kind of structure improved artificial knee joint, particularly relates 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 structure improved artificial knee joint of proper motion in the past can be arranged.
Background technology
The tradition artificial knee joint is to have a tibial base that is implanted in tibia in design, one is disposed at the tibial base liner on the tibial base, and one be implanted in Thigh bone and the femur implant that can move on tibial base liner curved surface, when patient's activity or walking, Thigh bone promptly can interlock femur implant move on the curved surface of tibial base liner, 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, because the tibial base liner is to be fixed on the tibial base, so when Thigh bone or tibia have the inward-outward direction rotation, increase and rotate friction, the also easily condyle portion of transfer of share bone implant or the curved surface loss of tibial base liner, after a period of time, patient's replacing of must having an operation again.
So, some dealer is in order to solve above-mentioned disappearance, the spy convexes with a circular protrusions (or circular depressions) in the tibial base lower surface, and on the supporting part surface of tibial base, be provided with circular depressions (or circular protrusions), when Thigh bone or tibia have inward-outward direction to rotate, the circular protrusions of this tibial base liner bottom can be rotated or translation on the circular depressions of tibial base, the tibial base liner can be moved with Thigh bone or tibia inward-outward direction, allow patient's Thigh bone or tibia on inward-outward direction is rotated, have clear improvement.But, because no any barrier structure between the circular protrusions of tibial base liner and the circular depressions of tibial base, so that the tibial base liner can freely rotate (360 degree) on tibial base, when the inward-outward direction rotational angle is excessive, add the soft tissue imbalance of knee joint peripheral, easily allow tibial base liner and tibial base form the clip state, cause patient's puzzlement.
For this reason, the TaiWan, China patent announcement proposes the solution of above-listed disappearance for No. 588648, this case mainly provides one to convex with a shrinkage pool in the bottom of tibial base liner, and the supporting part appropriate position of tibial base is provided with a protuberance, when the tibial base liner is placed on the tibial base, this protuberance promptly is arranged in shrinkage pool, and still be reserved with a motion space in protuberance both sides and shrinkage pool two side, this shrinkage pool is swung in the motion space that both reserved, and the tibial base liner can be done to be restricted when inward-outward direction is rotated with Thigh bone or tibia.
But this conceptual design only provides the solution of limited in rotation system scope in the tibial base liner, tibial base liner and tibial base such as then still keep at the shape design, therefore, when the tibial base liner of polyethylene material making rotates, because tibial base is that metal material is made, so tibial base liner lower surface is easy to generate abrasion and cause too much abrasive dust to produce (especially being positioned at the tibial base posterior border position), and this abrasive dust more can fall into tibia and cause bone corrosion phenomenon to take place.
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 design people 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 structure improved artificial knee joint of new structure, can improve general existing structure improved artificial knee joint, make it have more practicality.Through constantly research, design, and after studying sample and improvement repeatedly, create this utility model that has practical value finally.
Summary of the invention
The purpose of this utility model is, overcome the defective that existing artificial knee joint exists, and a kind of new structure improved artificial knee joint is provided, technical problem to be solved is to make it can limit the tibial base liner to rotate and make tibial base liner reduction abrasion, reduce the generation abrasive dust and reduce the generation of bone corrosion phenomenon to reach the tibial base liner, thereby be suitable for practicality more.
The purpose of this utility model and to solve its technical problem be to adopt following technical scheme to realize.According to a kind of structure improved artificial knee joint that the utility model proposes, be 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 user recover the artificial knee joint of proper motion in the past, this artificial knee joint comprises that a tibial base liner and that possesses the action of two curved surface right issue bone implants possesses loading end for the ccontaining tibial base of this tibial base liner, wherein, the loading end area of this tibial base is to satisfy the rotation that the tibial base liner is subjected to femur implant interlock, and this tibial base is provided with a restriction body greater than the loading end remaining area of tibial base liner, and has a left side at this tibial base liner to limiting body, the loose slot that right stop edge rotates with restriction tibial base liner.
The purpose of this utility model and solve its technical problem and can also be further achieved by the following technical measures.
Aforesaid structure improved artificial knee joint, wherein said tibial base liner is provided with the supporting axis of a winding femur implant.
Aforesaid structure improved artificial knee joint, wherein said tibial base be extended with one with the hollow implant post of human tibia winding, and this tibial base liner correspondence is extended with a reference column of inserting in the hollow implant post.
Aforesaid structure improved artificial knee joint, wherein said hollow implant post internal diameter be greater than this reference column external diameter, and have the reference column activity space with the relative tibial base of restriction tibial base liner directly to moving range.
By technique scheme, the structure improved artificial knee joint of this utility model has following advantage at least:
This utility model provides a kind of artificial knee joint that the tibial base liner rotates and makes tibial base liner reduction abrasion produce that limits, it is to satisfy the rotation that the tibial base liner is subjected to femur implant interlock by the loading end area of this tibial base mainly, and this tibial base is provided with a restriction body greater than the loading end remaining area of tibial base liner, and has a left side to limiting body at this tibial base liner, right stop edge is used and is reached tibial base liner minimizing generation abrasive dust and reduce the effect that bone corrosion phenomenon takes place with the loose slot that restriction tibial base liner rotates.
In sum, the artificial knee joint of this utility model special construction, it can limit the rotation of tibial base liner and make the tibial base liner reduce abrasion, and can reach the tibial base liner and reduce the generation abrasive dust and reduce bone corrosion phenomenon.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, thus 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 solutions of the utility model, for can clearer understanding technological means of the present utility model, and can be implemented according to the content of description, below with preferred embodiment of the present utility model and conjunction with figs. describe in detail as after.
The specific embodiment of the present utility model is provided in detail by following examples and accompanying drawing thereof.
Description of drawings
Fig. 1 is this novel stereoscopic sketch map.
Fig. 2 is this novel STRUCTURE DECOMPOSITION sketch map.
Fig. 3-1, Fig. 3 the-the 2nd, rotational action sketch map in this novel tibial base liner.
Fig. 4-1, Fig. 4 the-the 2nd, and this novel tibial base liner is directly to the shift action sketch map.
Fig. 5 is this novel use illustration intention.
Fig. 6 is this another novel example structure decomposing schematic representation.
Fig. 7 is the use illustration intention of this another novel embodiment.
10: tibial base liner 11,12: curved surface
13: supporting axis 14: loose slot
141: left stop edge 142: right stop edge
15: reference column 20: tibial base
21: loading end 22: the restriction body
23: implant post 30: Thigh bone
40: femur implant 50: tibia
The specific embodiment
Below in conjunction with accompanying drawing and preferred embodiment, to according to its specific embodiment of structure improved artificial knee joint, structure, feature and the effect thereof that the utility model proposes, describe in detail as after.
Seeing also Fig. 1, Fig. 2, shown in Figure 5, is this novel appearance solid, STRUCTURE DECOMPOSITION and use illustration intention.This utility model is to be a kind of structure improved artificial knee joint, be to be disposed between Thigh bone 30 and the tibia 50, and femur implant 40 formation one that are incorporated into Thigh bone 30 of arranging in pairs or groups allow the patient recover the knee joint of proper motion in the past, this knee joint includes one and possesses two curved surfaces 11, the tibial base liner 10 and one of 12 right issue bone implants 40 action possesses loading end 21 for the ccontaining tibial base 20 of this tibial base liner 10, this first novel embodiment is the supporting axis 13 that is provided with a winding femur implant 40 by this tibial base liner 10, makes tibial base liner 10 be subjected to femur implant 40 interlocks with mechanism's interlock mechanism.
See also Fig. 6, shown in Figure 7, Fig. 6 is this another novel example structure decomposing schematic representation, and Fig. 7 is the use illustration intention of this another novel embodiment.This second novel embodiment then is the mode of combining closely of adopting, and makes tibial base liner 10 be subjected to femur implant 40 interlocks with relative friction forces, because these two interlock modes all belong to known techniques, repeats no more with next.
These novel main loading end 21 areas by this tibial base 20 are to satisfy the rotation that tibial base liner 10 is subjected to femur implant 40 interlocks, and this tibial base 20 is provided with a restriction body 22 greater than loading end 21 remaining areas of tibial base liner 10, and should limit body 22 10 pairs of this tibial base liners and have a left side, right stop edge 141,142 loose slots 14 with 10 rotations of restriction tibial base liner, and this tibial base 20 be extended with one with the hollow implant post 23 of human tibia 50 windings, and be extended with a reference column 15 of inserting in the hollow implant post 23 in tibial base liner 10 correspondences, aforementioned hollow implant post 23 internal diameters are to have reference column 15 activity spaces greater than these reference column 15 external diameters, with restriction tibial base liner 10 relative tibial base 20 directly to moving range.
Seeing also shown in Fig. 3-1, Fig. 3-2, is this novel interior rotational action sketch map.Drive when 50 motions of human body Thigh bone 30 or tibia femur implant 40 interlock tibial base liners 10 produce in during rotary state, because the loading end 21 of the tibial base liner 10 that this is novel is provided with a restriction body 22, when in tibial base liner 10, rotating, loose slot 14 that will be by tibial base liner 10 is with its left side, two ends, right stop edge 141,142 touch restriction body 22 and the formation tibial base liner 10 interior limited fields that rotate, the shape of aforementioned limitations body 22 and loose slot 14 and big I are done different module designs according to body shape, be noted that, these novel tibial base 20 areas are greater than tibial base liner 10 areas, and this loading end 21 be satisfy tibial base liner 10 carry out in during rotational action, this tibial base liner 10 still can not exceed the remaining area scope of this loading end 21, by this, except that effective restriction tibial base liner 10 rotates, when more avoiding rotating in the tibial base liner 10, lower surface is unlikely to produce serious abrasion with tibial base 20 edges, even and rotate in the tibial base liner 10 when having a little abrasive dust to produce with tibial base 20 because of trace slides, also can reduce this abrasive dust and fall into tibia 50 and prevent that effectively bone corrosion phenomenon from producing.
See also Fig. 4-1, shown in Fig. 4-2, be that this is novel directly to shift action embodiment sketch map, when tibial base liner 10 is subjected to femur implant 40 interlocks, in producing, rotating, also can produce relative tibial base 20 directly to mobile status, for this reason, this is novel to connect the implant post 23 of establishing tibia 50 with tibial base 20 and is designed to hollow form, and be extended with a reference column 15 of inserting in the hollow implant post 23 in tibial base liner 10 correspondences, by hollow implant post 23 internal diameters is to have reference column 15 activity spaces greater than these reference column 15 external diameters, reach by this restriction tibial base liner 10 relative tibial base 20 directly to moving range, and arrange in pairs or groups above-mentioned in limit rotation explanation, allow the knee joint activity of sufferer postoperative can keep the normal usefulness of best stabilized.
The above, it only is preferred embodiment of the present utility model, be not that this utility model is done any pro forma restriction, though this utility model discloses as above with preferred embodiment, yet be not in order to limit this utility model, any those skilled in the art, in the scope that does not break away from technical solutions of the utility model, 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 not break away from the technical solutions of the utility model content, foundation technical spirit of the present utility model is to above any simple modification that embodiment did, equivalent variations and modification all still belong in the scope of technical solutions of the utility model.
Claims (4)
1, a kind of structure improved artificial knee joint, be to be disposed between Thigh bone (30) and the tibia (50), and femur implant (40) formation one that is incorporated into Thigh bone (30) of arranging in pairs or groups allows user recover the artificial knee joint of proper motion in the past, this artificial knee joint comprises that a tibial base liner (10) and that possesses two curved surfaces (11,12) right issue bone implants (40) action possesses loading end (21) for the ccontaining tibial base (20) of this tibial base liner (10), is characterized in that:
Loading end (21) area of this tibial base (20) is to satisfy the rotation that tibial base liner (10) is subjected to femur implant (40) interlock, and this tibial base (20) is provided with a restriction body (22) greater than loading end (21) remaining area of tibial base liner (10), and has the loose slot (14) that left and right stop edge (141,142) rotates with restriction tibial base liner (10) at this tibial base liner (10) to limiting body (22).
2,, it is characterized in that this tibial base liner (10) is provided with the supporting axis (13) of a winding femur implant (40) according to the described structure improved artificial knee joint of claim 1.
3, according to the described structure improved artificial knee joint of claim 1, it is characterized in that this tibial base (20) be extended with one with the hollow implant post (23) of human tibia (50) winding, and this tibial base liner (10) correspondence is extended with a reference column (15) of inserting in the hollow implant post (23).
4, according to the described structure improved artificial knee joint of claim 3, it is characterized in that this hollow implant post (23) internal diameter greater than this reference column (15) external diameter, and have reference column (15) activity space with restriction tibial base liner (10) relatively tibial base (20) directly to moving range.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520000814 CN2768715Y (en) | 2005-01-11 | 2005-01-11 | Improved structural artificial knee joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520000814 CN2768715Y (en) | 2005-01-11 | 2005-01-11 | Improved structural artificial knee joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2768715Y true CN2768715Y (en) | 2006-04-05 |
Family
ID=36689795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520000814 Expired - Lifetime CN2768715Y (en) | 2005-01-11 | 2005-01-11 | Improved structural artificial knee joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2768715Y (en) |
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101697931B (en) * | 2009-09-30 | 2011-09-28 | 北京纳通投资有限公司 | Liner part knee-joint prosthesis, tibia part and knee-joint prosthesis |
| CN102232883A (en) * | 2010-04-23 | 2011-11-09 | 创生医疗器械（中国）有限公司 | Rotating platform false body for knee joint |
| CN103118635A (en) * | 2010-07-24 | 2013-05-22 | 捷迈有限公司 | Asymmetric tibial components for a knee prosthesis |
| CN104814815A (en) * | 2015-05-22 | 2015-08-05 | 北京爱康宜诚医疗器材股份有限公司 | Bone joint prosthesis |
| US9283082B2 (en) | 2010-07-24 | 2016-03-15 | Zimmer, Inc. | Methods related to seating of bearing component on tibial tray |
| US9308096B2 (en) | 2011-11-21 | 2016-04-12 | Zimmer, Inc. | Tibial baseplate with asymmetric placement of fixation structures |
| US9314343B2 (en) | 2010-09-10 | 2016-04-19 | Zimmer, Inc. | Motion facilitating tibial components for a knee prosthesis |
| US9381090B2 (en) | 2010-07-24 | 2016-07-05 | Zimmer, Inc. | Asymmetric tibial components for a knee prosthesis |
| CN107361883A (en) * | 2017-08-01 | 2017-11-21 | 北京安颂科技有限公司 | Cone locking knee-joint prosthesis |
| CN108186167A (en) * | 2018-01-23 | 2018-06-22 | 北京爱康宜诚医疗器材有限公司 | Knee-joint prosthesis |
| US10188530B2 (en) | 2010-12-17 | 2019-01-29 | Zimmer, Inc. | Provisional tibial prosthesis system |
| US10278827B2 (en) | 2015-09-21 | 2019-05-07 | Zimmer, Inc. | Prosthesis system including tibial bearing component |
| US10675153B2 (en) | 2017-03-10 | 2020-06-09 | Zimmer, Inc. | Tibial prosthesis with tibial bearing component securing feature |
| US10835380B2 (en) | 2018-04-30 | 2020-11-17 | Zimmer, Inc. | Posterior stabilized prosthesis system |
| US10898337B2 (en) | 2011-11-18 | 2021-01-26 | Zimmer, Inc. | Tibial bearing component for a knee prosthesis with improved articular characteristics |
| US11324598B2 (en) | 2013-08-30 | 2022-05-10 | Zimmer, Inc. | Method for optimizing implant designs |
| US11324599B2 (en) | 2017-05-12 | 2022-05-10 | Zimmer, Inc. | Femoral prostheses with upsizing and downsizing capabilities |
| US11426282B2 (en) | 2017-11-16 | 2022-08-30 | Zimmer, Inc. | Implants for adding joint inclination to a knee arthroplasty |
-
2005
- 2005-01-11 CN CN 200520000814 patent/CN2768715Y/en not_active Expired - Lifetime
Cited By (40)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101697931B (en) * | 2009-09-30 | 2011-09-28 | 北京纳通投资有限公司 | Liner part knee-joint prosthesis, tibia part and knee-joint prosthesis |
| CN102232883A (en) * | 2010-04-23 | 2011-11-09 | 创生医疗器械（中国）有限公司 | Rotating platform false body for knee joint |
| CN102232883B (en) * | 2010-04-23 | 2013-02-20 | 创生医疗器械（中国）有限公司 | Rotating platform false body for knee joint |
| US9763796B2 (en) | 2010-07-24 | 2017-09-19 | Zimmer, Inc. | Asymmetric tibial components for a knee prosthesis |
| US10543099B2 (en) | 2010-07-24 | 2020-01-28 | Zimmer, Inc. | Tibial prosthesis |
| US9192480B2 (en) | 2010-07-24 | 2015-11-24 | Zimmer, Inc. | Asymmetric tibial components for a knee prosthesis |
| CN103118635B (en) * | 2010-07-24 | 2015-11-25 | 捷迈有限公司 | For the asymmetric tibial component of knee prosthesis |
| US9283082B2 (en) | 2010-07-24 | 2016-03-15 | Zimmer, Inc. | Methods related to seating of bearing component on tibial tray |
| US9295557B2 (en) | 2010-07-24 | 2016-03-29 | Zimmer, Inc. | Asymmetric tibial components for a knee prosthesis |
| US11224519B2 (en) | 2010-07-24 | 2022-01-18 | Zimmer, Inc. | Asymmetric tibial components for a knee prosthesis |
| CN103118635A (en) * | 2010-07-24 | 2013-05-22 | 捷迈有限公司 | Asymmetric tibial components for a knee prosthesis |
| US9381090B2 (en) | 2010-07-24 | 2016-07-05 | Zimmer, Inc. | Asymmetric tibial components for a knee prosthesis |
| US9918844B2 (en) | 2010-07-24 | 2018-03-20 | Zimmer, Inc. | Tibial prosthesis with a fixed bearing component |
| US9861490B2 (en) | 2010-07-24 | 2018-01-09 | Zimmer, Inc. | Asymmetric tibial components for a knee prosthesis |
| US9763794B2 (en) | 2010-07-24 | 2017-09-19 | Zimmer, Inc. | Tibial prosthesis |
| US10195041B2 (en) | 2010-07-24 | 2019-02-05 | Zimmer, Inc. | Asymmetric tibial components for a knee prosthesis |
| US10470889B2 (en) | 2010-07-24 | 2019-11-12 | Zimmer, Inc. | Asymmetric tibial components for a knee prosthesis |
| US9763795B2 (en) | 2010-09-10 | 2017-09-19 | Zimmer, Inc. | Motion facilitating tibial components for a knee prosthesis |
| US11471288B2 (en) | 2010-09-10 | 2022-10-18 | Zimmer, Inc. | Motion facilitating tibial components for a knee prosthesis |
| US10413415B2 (en) | 2010-09-10 | 2019-09-17 | Zimmer, Inc. | Motion facilitating tibial components for a knee prosthesis |
| US9314343B2 (en) | 2010-09-10 | 2016-04-19 | Zimmer, Inc. | Motion facilitating tibial components for a knee prosthesis |
| US10188530B2 (en) | 2010-12-17 | 2019-01-29 | Zimmer, Inc. | Provisional tibial prosthesis system |
| US10898337B2 (en) | 2011-11-18 | 2021-01-26 | Zimmer, Inc. | Tibial bearing component for a knee prosthesis with improved articular characteristics |
| US9308096B2 (en) | 2011-11-21 | 2016-04-12 | Zimmer, Inc. | Tibial baseplate with asymmetric placement of fixation structures |
| US10265181B2 (en) | 2011-11-21 | 2019-04-23 | Zimmer, Inc. | Tibial baseplate with asymmetric placement of fixation structures |
| US9707089B2 (en) | 2011-11-21 | 2017-07-18 | Zimmer, Inc. | Tibial baseplate with asymmetric placement of fixation structures |
| US11324598B2 (en) | 2013-08-30 | 2022-05-10 | Zimmer, Inc. | Method for optimizing implant designs |
| CN104814815A (en) * | 2015-05-22 | 2015-08-05 | 北京爱康宜诚医疗器材股份有限公司 | Bone joint prosthesis |
| US10278827B2 (en) | 2015-09-21 | 2019-05-07 | Zimmer, Inc. | Prosthesis system including tibial bearing component |
| US11160659B2 (en) | 2015-09-21 | 2021-11-02 | Zimmer, Inc. | Prosthesis system including tibial bearing component |
| US11547571B2 (en) | 2017-03-10 | 2023-01-10 | Zimmer, Inc. | Tibial prosthesis with tibial bearing component securing feature |
| US10675153B2 (en) | 2017-03-10 | 2020-06-09 | Zimmer, Inc. | Tibial prosthesis with tibial bearing component securing feature |
| US11324599B2 (en) | 2017-05-12 | 2022-05-10 | Zimmer, Inc. | Femoral prostheses with upsizing and downsizing capabilities |
| CN107361883A (en) * | 2017-08-01 | 2017-11-21 | 北京安颂科技有限公司 | Cone locking knee-joint prosthesis |
| CN107361883B (en) * | 2017-08-01 | 2019-07-09 | 北京安颂科技有限公司 | Cone locking knee-joint prosthesis |
| US11426282B2 (en) | 2017-11-16 | 2022-08-30 | Zimmer, Inc. | Implants for adding joint inclination to a knee arthroplasty |
| CN108186167A (en) * | 2018-01-23 | 2018-06-22 | 北京爱康宜诚医疗器材有限公司 | Knee-joint prosthesis |
| CN108186167B (en) * | 2018-01-23 | 2023-08-01 | 北京爱康宜诚医疗器材有限公司 | Knee joint prosthesis |
| US10835380B2 (en) | 2018-04-30 | 2020-11-17 | Zimmer, Inc. | Posterior stabilized prosthesis system |
| US11911279B2 (en) | 2018-04-30 | 2024-02-27 | Zimmer, Inc. | Posterior stabilized prosthesis system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: FARMA TECHNOLOGY CONSULTING CO., LTD. Free format text: FORMER OWNER: ZHENG CHENGGONG Effective date: 20110803 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20110803 Address after: No. 14, building 161, 1 public welfare Road, Taichung City, Taiwan, China Patentee after: Fama Technology Consulting Co., Ltd. Address before: Taiwan, China Patentee before: Zheng Chenggong |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20150111 Granted publication date: 20060405 |