BEIJING NATON TECHNOLOGY GROUP CO., LTD.;Beijing Naton Medical Technology Research Institute Co., Ltd.
发明人:
Dayong Song,Senyuan Hu,Jian Wang,Xiang Dong
申请号：
US16745821
公开号：
US20200229934A1
申请日:
2020.01.17
申请国别(地区):
US
年份:
2020
代理人:
摘要：
A knee prosthesis includes a tibial component, a bearing and a femoral component. The tibial component includes a platform and at least one rib extending upwardly and forwardly, a front edge of upper surface of the platform is provided with at least one front lug boss, and back edge of the upper surface of the platform is provide with at least one back lug boss. The lower surface of the bearing is provided with a groove matching with the at least one rib, a front slot matching with the front lug boss and a back slot； the femoral component is articulated with the bearing； at least one rib is provided with a medial wall and a lateral wall, one of the them is provided with a bent portion and formed with a first inclined surface which extends in a direction away from the other one.
