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Oxford™ Unicompartmental Knee System
Total Joint Replacement
The technique of total joint replacement, also called arthroplasty, uses implants to resurface damaged joint cartilage. Total joint implants are typically made from a metal alloy such as titanium or cobalt chrome and polyethylene, a medical-grade plastic.
Traditional knee replacement usually involves resurfacing the damaged cartilage at the end of your thighbone (femur), the top of your shinbone (tibia), and sometimes the back of your kneecap (patella).
When arthritis affects only one side of your knee joint, other parts may still be healthy. The Oxford™ Unicompartmental Knee system is intended to preserve the healthy knee structures and to restore normal knee motion and function. Unlike other implants, the Oxford™ Unicompartmental Knee is currently the only fully mobile bearing unicompartmental knee system in the United States. The Oxford™ Unicompartmental Knee is unique in that the meniscal bearing is not fixed to the tibial component but free to move as your knee moves. The design of the mobile bearing knee system helps limit the forces on the implant that may lead to loosening.
U.S. surgeons and patients now have access to a system with excellent clinical results. Research has shown that the newer types of unicondylar knee replacements, particularly those with moveable plastic bearings like the Oxford™ Unicompartmental Knee, have exceptionally low wear rates, potentially giving them even longer life expectancies.
 With use of the Oxford™ proprietary surgical instruments and minimally invasive technique, your surgeon may perform the operation through a small incision. The small incision makes it unnecessary to surgically expose healthy parts of the knee. One of the biggest advantages of minimally invasive knee replacement is that patients can recover more quickly compared with traditional joint replacement. Typical hospital stays are two to three days, and physical therapy lasts about half as long, normally four to six weeks. The smaller incision also means that there may be less pain and little to no blood-loss.
 The benefits of a unicompartmental knee include a less invasive surgery and a smaller incision. The procedure also removes less tissue from both the tibia and femur because only the damaged cartilage is removed. Since the implant saves more tissue, future total knee replacement procedures can be more easily performed if necessary.
The Oxford™ Unicompartmental Knee is intended for use in individuals with osteoarthritis or avascular necrosis (AVN) limited to the medial compartment of the knee and is intended for implantation with bone cement. As with any artificial joint, this prosthesis will not restore your knee to a normal, non-diseased joint.
The Oxford™ Unicompartmental Knee is just one option available to you and your orthopedic surgeon. Only your orthopedic surgeon can determine if you are a candidate for this system or if another type of implant would better suit your unique situation.
All trademarks are the property of Biomet Manufacturing Corp. or one of its subsidiarites unless otherwise noted.
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Joint Implant Surgeons of Florida | Lee Memorial Hospital
2780 Cleveland Ave. | Fort Myers, Florida 33901
Phone: 239-337-2003 Fax:239-337-3168
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Patient Education Seminars
These seminars were designed to answer many of the questions that you may have on arthritis, joint pain, joint replacement, and caring for the joint surgery patient.
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