After being informed about the study, all patients giving written consent will undergo a screening period to determine eligibility for the study. If eligibility is met, data will be obtained retrospectively from the medical records from the preoperative to shortly after surgery time period. Thereafter, the subject will be evaluated at their 5-year and 10-year post surgery anniversary date.
The purpose of this study is to evaluate the clinical functional results of the Triathlon All-Polyethylene Tibia Knee Device.