The study is designed as a monocentric, prospective, observational, comparative follow-up study based on two previously treated patient groups. The first group consists of patients treated with the patient-specific unicondylar knee implant iUni®. For that group, 30 patients will be included in the study and analyzed. The final follow-up after 24 months has already been documented by the study center. Compared to that, a consecutive series of 50 Univation® X patients will be invited for a 24 months follow-up in 2018. In total, it is planned to include 80 retrospective patients for that historical control study design. The products under investigation were used in routine clinical practice and according to the authorized Instructions for Use (IfU). Those data that are obtained in routine clinical use will be documented in the Case Report Form (CRF).
Study Type
OBSERVATIONAL
Enrollment
77
Primary implantation of an unicompartmental knee implant
St. Vincenz Hospital Brakel
Brakel, Germany
Knee joint function
Knee Society Score
Time frame: 2 years after primary implantation
KOOS
Knee Injury and Osteoarthritis Outcome Score
Time frame: 2 years after primary implantation
axis justice position
radiological analysis
Time frame: preoperative and until discharge from hospital (within 1 week postoperatively)
radiolucent lines
radiological analysis
Time frame: 2 years after primary implantation
tibial slope
radiological analysis
Time frame: 2 years after primary implantation
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