Abstract: A knee joint prosthesis, comprising at least one femoral component and at least one tibial component. The femoral component having a first portion adapted for fixable attachment to a distal end of a femur and a second portion formed with a bearing surface. The femoral component is sized so as to permit attachment to the femur of a patient without severing at least one the cruciate ligaments. The tibial component has a first surface that is adapted to cooperate with a patient's tibia, while a second surface of the tibial component is adapted to cooperate with the femoral component. The tibial component is sized so as to permit attachment to the patient's tibia without severing at least one of the cruciate ligaments.

Abstract: A knee joint prosthesis, comprising at least one femoral component and at least one tibial component. The femoral component having a first portion adapted for fixable attachment to a distal end of a femur and a second portion formed with a bearing surface. The femoral component is sized so as to permit attachment to the femur of a patient without severing at least one the cruciate ligaments. The tibial component has a first surface that is adapted to cooperate with a patient's tibia, while a second surface of the tibial component is adapted to cooperate with the femoral component. The tibial component is sized so as to permit attachment to the patient's tibia without severing at least one of the cruciate ligaments.

Abstract: A knee joint prosthesis, comprising at least one femoral component and at least one tibial component. The femoral component having a first portion adapted for fixable attachment to a distal end of a femur and a second portion formed with a bearing surface. The femoral component is sized so as to permit attachment to the femur of a patient without severing at least one the cruciate ligaments. The tibial component has a first surface that is adapted to cooperate with a patient's tibia, while a second surface of the tibial component is adapted to cooperate with the femoral component. The tibial component is sized so as to permit attachment to the patient's tibia without severing at least one of the cruciate ligaments.

Abstract: Prostheses and methods are described for replacement of the dome areas of the hip joint. A femoral component is provided with a superior articular surface which is curved so as to simulate the shape of the dome area of the patient's femoral head. The damaged or diseased portion of the weight bearing dome area of the femoral head is removed and the femoral component is implanted. An acetabular component is also provided with an inferior curved articular surface which is generally congruent with the superior articular surface. The acetabular component is implanted in a recess formed in the patient's acetabulum. The position of the acetabular component is chosen to correspond to the location of the implanted femoral component when the joint is in a weight bearing posture. By use of the components, and the accompanying method, a subtotal hip dome arthroplasty may be effected.