Patent ID: 8361147

Claim:
A prosthetic device for replacing a damaged meniscus of a knee joint, the prosthetic device comprising: a central portion having an upper surface for engagement with a portion of a femur and an opposing lower surface for engagement with a portion of a tibia, the central portion formed of a resilient polyurethane; an outer portion surrounding the central portion and having an increased thickness relative to the central portion, the outer portion comprising a first section having a generally semi-ellipsoidal profile similar to that of a natural meniscus and a second section extending between first and second ends of the first section, the second section sized and shaped to engage a femur notch to secure the meniscus prosthetic device within the knee joint without penetrating bone, the second section having a height greater than the first section, the outer portion formed of the resilient polyurethane embedded with reinforcing fibers such that the outer portion has an increased radial stiffness relative to the central portion; wherein the resilient polyurethane comprises a polycarbonate polyurethane; and wherein the embedded fibers comprise an ultra high molecular weight polyethylene.