发明名称 |
Femur prosthetic stem with back grasping |
摘要 |
The invention relates to a femur prosthetic stem (1) having a front portion and a back portion, said stem being characterized in that it has a back hollow portion (2). |
申请公布号 |
US9259321(B2) |
申请公布日期 |
2016.02.16 |
申请号 |
US201113635107 |
申请日期 |
2011.03.11 |
申请人 |
|
发明人 |
Palombi Paolo |
分类号 |
A61F2/36;A61F2/32;A61F2/30 |
主分类号 |
A61F2/36 |
代理机构 |
Hickman Palermo Becker Bingham LLP |
代理人 |
Hickman Palermo Becker Bingham LLP |
主权项 |
1. Femur prosthetic hollow stem having a length, the hollow stem comprising: a sidewall and a cavity; the sidewall having an interior surface defining the cavity and an opposing exterior surface; the sidewall comprising a base and two divergent wings, each wing having a free edge, wherein each free edge is convexly curved in a lengthwise direction along the length of the stem; wherein the two divergent wings converge at a distal end of the cavity; and wherein the interior surface of the base is concavely curved in a lengthwise direction along a portion of the length of the stem; wherein the hollow stem is characterized in that a radius of curvature of the stem is constant, so that a surgeon can insert the stem in a femur bone with a movement of constant curvature. |
地址 |
Rome IT |