Patent ID: 6319283
Filing Date: 2001-11-20
Classification: A61F

Abstract:
An orthopaedic knee component for implanting within a proximal tibia, comprising:a tibial tray including a proximal tibial plateau with a projection extending generally orthogonal to said tibial plateau;a bearing coupled with said tibial plateau and having an articular bearing surface for engagement with a femoral component, said bearing being rotationally movable between a first rotational limit and a second rotational limit about an axis extending generally orthogonal to said tibial plateau, said bearing having a backing surface engaging said tibial plateau which is sized and shaped such that said backing surface is substantially entirely supported by said tibial plateau at any position during said rotational movement between said first rotational limit and said second rotational limit; andsaid tibial tray including a post extending from said tibial plateau, said bearing including a notch in which said post is received, said post and said notch limiting said rotational movement of said bearing between said first rotational limit and said second rotational limit.