About Apex Posterior Stabilized (PS) Knee (Prod 11502)
The Apex PS Knee maintains the key design elements of the existing Apex Cruciate Retaining (CR) Knee but offers the post and cam system preferred by surgeons who utilize a posterior stabilized knee replacement. The innovative design allows the Apex PS Knee to have up to an additional 30 degrees of uninterrupted patella track compared to competitive posterior stabilized knee designs that require a larger bone resection. The extra patella track potentially reduces the chance of experiencing a problem that has been associated with knee replacements known as patella "clunk". A single step reaming process allows a seamless intraoperative transition from a CR Knee to a PS Knee based on surgeon preference. By taking advantage of the intercondylar fossa for the location of the Apex PS Knees' "box" cut, there is as much as a 90% reduction in the bone removed compared to some competitive PS knee designs.
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