ANATOMY OF THE KNEE
The knee joint, which appears like a simple hinge-joint, is one of the most complex joints. It consists of the femur (thighbone), tibia (shinbone) and patella (kneecap). The knee is a synovial joint, which means it is lined by synovium. The synovium produces fluid lubricating and nourishing the inside of the joint. Articular cartilage is the smooth surfaces at the end of the femur and tibia. It is the damage to this surface which causes arthritis.
TOTAL KNEE REPLACEMENT
Total knee replacement is the ‘gold standard’ option, with a long and successful clinical track record for treating knee osteoarthritis that is no longer responding to conservative options.
UNICOMPARTMENTAL KNEE REPLACEMENT
In this procedure, only the damaged part of the knee joint is replaced through a smaller incision than would normally be used for total knee replacement. Unicompartmental, or partial knee replacement, is indicated when the arthritis is affecting only one part of the knee joint, and the remainder of the knee is healthy.