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Partial Knee Implant

partial knee implant

The Oxford® Partial Knee implant 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 Oxford® 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.

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 Kind

Unlike other implants, the Oxford® 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 Oxford® Partial knee have low wear rates, potentially giving them even longer life expectancies.

The free floating nature of the device potentially provides for a more natural feeling knee.

More Natural Motion

In a healthy knee, the meniscus serves as a shock absorber between the ends of the bones. The Oxford® 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 Durability

Published long-term clinical results on the Oxford® 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.

There is no guarantee that any implant will successfully function for a specific length of time, as there are a multitude of variables that affect the life of an implant.

Not all patients are candidates for Oxford® partial knee replacement. You should discuss your condition and treatment options with your surgeon.

A consultation with an orthopedic surgeon is the fastest and safest way to assess your need for knee implant, request an appointment today.