Patent ID: 8088167
Filing Date: 2012-01-03
Classification: A61B,A61F

Abstract:
1. A femoral prosthetic implant for attachment to a femur during a knee arthroplasty procedure, the femur having a long axis, the implant comprising: an outer bearing surface having a condylar portion and a patellofemoral portion; an inner bone contact surface in back to back disposition with the outer bearing surface, the inner bone contact surface including a posterior contact surface and an anterior contact surface configured to contact geometrically corresponding bone cuts in the femur and a distal contact surface, and at least one inwardly protruding structure formed unitarily with the implant with at least one bone contacting surface extending in both an anterior to posterior direction and inwardly of the inner bone contact surface to provide medial-lateral fixation stability between the implant and the femur, and wherein: