Osteoarthritis
Conditions
Interventions
Traditional surgery group:Traditional intramedullary positioning
3D guide plate group:3D printed guide plate for intramedullary positioning
Sponsors
Xuanwu Hospital of Capital Medical University
Eligibility
Sex/Gender
All
Age
50 Years to 90 Years
Inclusion criteria
Inclusion criteria: 1. Patients who meet the surgical indications of Ouka; (1) Anterior medial osteoarthritis of knee joint with bone to bone wear; (2) Aged >= 50 years; (3) The anterior and posterior cruciate ligament and medial collateral ligament were in good condition; (4) There is no groove like change or lateral subluxation on the lateral side of patellofemoral joint (5) The lateral interventricular cartilage was intact; (6) Varus deformity can be corrected; varus deformity < 15 degrees; (7) Fixed flexion was less than 15 degrees. 2. Patients who agree to participate in the operation and can cooperate with the follow-up work.
Exclusion criteria
Exclusion criteria: 1. Patients with inflammatory arthritis or recent persistent infection; 2. Patients with poor general condition and intolerable operation or life expectancy less than 1 year; 3. Patients with allergic constitution are allergic to 3D printing guide plate or metal materials; 4. Patients who have had previous osteotomy or traumatic arthritis.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Femoral prosthesis varus/valgus angle;Femoral prosthesis flexion/extension angle; | — |
Countries
China
Contacts
Public ContactMingli Feng
Xuanwu Hospital of Capital Medical University
Outcome results
None listed