Clinical Research Directory

Inclusion Criteria: 1. Age 18-60 years old 2. Chronic pain or instability in the ankle, injury to the lateral collateral ligament of the ankle determined by MRI examination of the ankle, and distal avulsion fracture of the fibula indicated by CT examination. 3. Patients with poor results after more than 3 months of conservative treatment with rest/topical/oral non-steroidal anti-inflammatory drugs 4. Patients voluntarily participate in clinical trials, sign informed consent, and can cooperate with clinical follow-up Exclusion Criteria: 1. Persons who have participated in clinical trials of other drugs or medical devices within the last 6 months 2. Malalignment of ankle joint force (varus or valgus \>5 degrees) 3. Chronic specific synovitis (rheumatoid, pigmented villonodular synovitis, etc.) 4. Patients with joint fibrosis, joint stiffness, and obvious limited movemente. Moderate to severe osteoarthritis (Takakura stage III or IV) f. Patients with contraindications to MRI g. Hemophiliacs h. Patients with systemic conditions that cannot tolerate surgery