A surface replacement involves an implant usually used on the surface of the condyles (end of the femur) or for the damaged kneecap and groove in which the kneecap (patella) runs.

focal implant of femoral condyle
trochlear implant

Discussion looking at the alternatives to a joint replacement in active patients whose osteoarthritis tends to be limited.



Uncemented surface replacement of the knee joint. Ring PA. Clin Orthop Relat Res. 1980 May;(148):106-11.

See also -