Patent ID: 8882847

Claim:
A patient-specific prosthetic device for a femur of a diseased or damaged knee joint of a patient comprising: (a) a femoral condyle portion having (i) a superior surface having two or more planar portions configured to abut two or more flat bone portions of a cut femoral condyle of the knee joint of the patient, and (ii) an inferior surface configured as an articulating surface; and (b) a trochlear groove portion having a bone abutting surface configured and sized such that at least a portion of the bone abutting surface abuts at least a portion of an anterior cut of the femur when the superior surface of the femoral condyle portion is positioned to abut the two or more flat bone portions of the cut femoral condyle; and wherein the inferior surface of the femoral condyle portion includes articular shape information regarding a corresponding shape of an articular surface of the diseased or damaged knee joint of the patient, wherein the articular shape information is derived from electronic image data of the diseased or damaged knee joint of the patient.