US Patent 10045853 Artificial knee joint

An artificial knee joint includes a femoral component (11), provided with a medial condyle (13), a lateral condyle (14) and a front flange (50). The medial condyle (13) and the lateral condyle (14) are joined together in proximity with the rear end of the intercondyle groove (19) by a femoral cam (17), and separated by the intercondyle groove (19) in the remaining part of their extension. A tibial component includes a tibial plate and a tibial insert (12). The tibial insert (12) is configured to support the medial condyle (13), and the lateral condyle (14), and is provided with a tibial post (18). The femoral cam (17) is asymmetrical and comprises a distal surface (20) shaped like a drum which articulates with the tibial post (18).