Prospective multicenter follow-up study which examines the short- to long-term post-market clinical data on the safety and performance of the balanSys UNI fix knee prosthesis.~In total at least 100 participants in 3 clinics are included in this multicenter study.~The primary endpoint of the study is the Knee Society Score (KSS) 2 years after surgery.~The following parameters will be collected during the regular clinical and radiological follow-up: Knee Society Score, Knee and Osteoarthritis Outcome Score (KOOS), radiographic evaluation and detection of adverse events.
The purpose of the study is the evaluation of the clinical and radiological long-term performance of the balanSys UNI fix in a multicenter routine clinical setting.