- a plastic cup that replaces your acetabulum (hip socket)
- a metal ball that replaces the femoral head
- a metal stem that is attached to the shaft of the femur
There are also ceramic hip replacements and other alternatives to the total hip replacement -- for example, the Birmingham Hip Resurfacing System.
Osteoarthritis Handout on Health. NIAMS. 7/7/07.
Total Hip Replacement. American Academy of Orthopaedic Surgeons. August 2007.
Osteoarthritis of the Knee. JAMA. February 26, 2003 - Vol. 289. No.8. A Patient's Guide to Osteoarthritis of the Knee. Center for Orthopaedics and Hip and Knee Surgery. 7/29/2007.