Patent ID: 9675464
Date: 2017-06-13
CPC Classifications: A61F

Claim:
1. A tibial tray system for a knee, comprising: a tibial tray configured for attachment to a surgically-prepared surface of a proximal end of a tibia, the tibial tray including a tapered hole therein; and a plurality of splines, each having a respective distal side and tapered shank extending outward therefrom at a different predetermined anterior-posterior (A-P) position, each of the tapered shanks being configured to securely engage the tapered hole in the tibial tray, each of the splines extending proximally from the tibial tray when engaged with the tapered hole and including a posteriorly oriented bearing surface having a projection sized and positioned such that the projection extends farther in a posterior direction on a distal portion of the bearing surface than on a proximal portion of the bearing surface and farther in a posterior direction on a lateral side of the bearing surface than on a medial side of the bearing surface.