Evaluation of a New Navigation System in Computer-assisted Total Knee Arthroplasty

Single-blind, randomised, prospective comparative study in two parallel groups (conventional or computer-assisted arthroplasty).

The patient will be evaluated during 3 visits: inclusion D0 (before arthroplasty), M3 (intermediate visit 3 months after arthroplasty) and M12 (final visit 12 months after arthroplasty).

Inclusion criteria

• Adult man or woman who has signed the informed consent for participation in the study,
• Patient with primary uni or bilateral gonarthrosis
• For whom an indication for total knee arthroplasty has been given

Exclusion criteria

• History of fracture, arthroplasty or osteotomy of the knee
• Severe preoperative laxity warranting a constrained prosthesis
• Inflammatory rheumatic disease or any other progressive concomitant condition that may impact on the patient's functional prognosis
• Traumatic articular or extra-articular deformities of the lower limb
• Neurological disease, after-effects of a stroke
• Mental deficiency or any other reason that may hinder the understanding or the strict application of the protocol
• Patient not affiliated to the French social security system
• Patient under legal protection, guardianship or curatorship
• Patient already included in another therapeutic study protocol or having participated in another trial in the previous three months