Patent ID: 7771484

Claim:
A modular tibial implant comprising: a tibial baseplate having a top surface and a bottom surface and first and second through openings extending between the top and bottom surfaces; a bone engaging stem element mountable on the baseplate and having a distal end, a proximal end, and a longitudinal axis extending between the distal and proximal ends, the proximal end having a post extending proximally into the second through opening; a fastener engageable with said tibial baseplate and said bone engaging element for securing said tibial baseplate and said bone engaging stem element together, the fastener extending through the first through opening in the baseplate; and a cam element separate from said fastener and being engageable with a wall surrounding said second through opening in said tibial baseplate and the cam element having a bore for receiving said post on said bone engaging stem element for moving said baseplate relative to said bone engaging stem element along an axis that traverses the longitudinal axis of said bone engaging stem element.