Triathlon® Cruciate Retaining (CR) Total Knee System Outcomes Study

Exclusion Criteria

• •1. Patient has inflammatory arthritis.
• •2. The subject is morbidly obese, BMI \> 40.
• •3. The subject has a history of total or unicompartmental reconstruction of the affected joint.
• •4. Patient has had a high tibial osteotomy or femoral osteotomy.
• •5. The subject has no obvious charcot (i.e. a neuromuscular or neurosensory deficiency, which would limit the ability to assess the performance of the device).
• •6. The patient has a systemic or metabolic disorder leading to progressive bone deterioration.
• •7. The subject is immunologically suppressed, or receiving chronic steroids (\> 30 days duration).
• •8. The subject's bone stock is compromised by disease or infection, which cannot provide adequate support and/or fixation to the prothesis.
• •9. The subject has had a knee fusion to the affected joint.
• •10. The subject has an active or suspected latent infection in or about the knee joint.
• •11. The subject is a prisoner.