Patent ID: 9414926
Filing Date: 2016-08-16
CPC Classification: A61F

Claim Text:
1. A knee joint prosthesis comprising: a tibial component having an inferior surface and a superior surface that serves as a bearing surface for a femoral component, the superior surface having a generally concave medial compartment configured to receive and articulate with a medial femoral condyle, and a lateral compartment configured to receive and articulate with a lateral femoral condyle, the lateral compartment shape forming a curve in a transverse plane of the tibial component, with a concave side of the curve facing medially and having a length extending from an anterior end thereof to a posterior end thereof, wherein the lateral compartment has an anteroposterior profile that is characterized by a first, anterior arc that is concave, a second arc posterior to the first arc that is convex, and wherein an anteroposterior dimension of the second, convex arc of the lateral compartment increases in size from a medial portion of the lateral compartment to a lateral portion of the lateral compartment.