| 发明名称 |
Cementless tibial implant |
| 摘要 |
A cementless orthopedic implant is disclosed. More specifically, but not necessarily entirely, a cementless tibial implant used as a component of a knee joint is disclosed. The tibial component may comprise a tibial tray and stem. The tibial component may be a monoblock design used for both primary and revision surgeries. The stem of the tibial component may comprise a plurality of protruding steps that assist in providing primary fixation and stability without the use of screws or cement. The stem of the tibial component may further comprise a first and second stepped wing portions. |
| 申请公布号 |
US9265613(B2) |
申请公布日期 |
2016.02.23 |
| 申请号 |
US201314035727 |
申请日期 |
2013.09.24 |
| 申请人 |
|
发明人 |
Nevins Russell;Brazil Declan |
| 分类号 |
A61F2/38;A61F2/30 |
主分类号 |
A61F2/38 |
| 代理机构 |
Clayton, Howarth & Cannon, P.C. |
代理人 |
Clayton, Howarth & Cannon, P.C. |
| 主权项 |
1. A knee prosthesis comprising:
a monoblock tibial component having a tibial tray and a stem extending downwardly from an inferior surface of the tibial tray; and a plurality of steps formed in the stem; wherein at least two of the plurality of steps each comprises a first lobe portion, positioned closer to a posterior side of the stem than an anterior side of the stem, and a first pair of concave portions; wherein each of the first lobe portions is interposed between the first pair of concave portions on the same step. |
| 地址 |
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