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Partial Knee ReplacementThe Oxford® Partial KneeThe OxfordŽ Partial Knee implant from Biomet Orthopedics is a partial knee implant designed to repair only one side of the knee (the medial side), making it much smaller than a total knee implant. 
In patients with only limited knee arthritis, known as medial compartment arthritis, surgeons may elect to perform a partial knee replacement. Unlike total knee replacement that removes all the knee joint surfaces, a partial knee replacement replaces only one side of the knee joint. Some advantages of the OxfordŽ partial knee replacement are that it removes 75% less bone and cartilage, is less painful, enables a more rapid recovery, and provides more natural motion when compared to a total knee replacement.1-3 By retaining all of the undamaged parts, the joint may bend and function more naturally. Knee osteoarthritis usually occurs first in the medial (inside) portion of the joint. In knees that are otherwise healthy, a partial knee implant procedure can preserve the healthy bone, cartilage, and ligaments, potentially preventing or delaying the need for total knee replacement. The Only One of Its KindUnlike other implants, the OxfordŽ Partial knee is currently the only fully mobile bearing partial knee system available in the United States. Research has shown that partial knee replacements with moveable plastic bearings like the OxfordŽ Partial knee have low wear rates, potentially giving them even longer life expectancies.4 The free floating nature of the device potentially provides for a more natural feeling knee. 
More Natural MotionIn a healthy knee, the meniscus serves as a shock absorber between the ends of the bones. The OxfordŽ Partial knee is the first partial implant with an artificial meniscal bearing designed to glide freely throughout the knee's range of motion, more closely replicating normal movement. The free floating nature of the device potentially provides for a more natural feeling knee. Long-term DurabilityPublished long-term clinical results on the OxfordŽ Knee demonstrated a 98% success rate at 10 years and 95% at 15 years and beyond, equaling the results of the most successful total knee replacements.5,6 Not all patients are candidates for OxfordŽ partial knee replacement. You should discuss your condition and treatment options with your surgeon. Biomet offers the broadest range of partial knee replacements available, providing your surgeon with unparalleled flexibility to address your condition. All provide the option of minimally invasive surgery. 
If you have questions regarding the OxfordŽ Partial Knee, please speak with an orthopedic surgeon or search for an OxfordŽ Knee trained surgeon in your area. Or click here for patient risk information. Only an orthopedic surgeon can determine what treatment is appropriate. Individual results of total joint replacement may vary. The life of any implant will depend on your weight, age, activity level, and other factors.
1. Data on file at Biomet. Note: bench test results do not necessarily indicate clinical performance. |
