A RCT for Y-Knot All-suture Anchor in Ankle Ligaments Injury Repair

Inclusion Criteria: * Male or Female, no less than 18 years old; * Patient was diagnosed as Collateral Ligament injury or Achilles tendon injury based on MRI or X-Ray who need to conduct foot\&ankle repair surgery by investigator; * Patient willing to sign a written consent form participating in this study； * Subject is able to understand study, willing to comply the study procedures, and willing to return to hospital for follow-up up to 6 months postoperative； * Life expectancy is more than 2 years post-operationally; Exclusion Criteria: * Conducted surgery at index ankle and possibly influence the outcome evaluation; * Bilateral ankle surgery; * Suffering concurrent ankle disease that may leads to a surgery during the study phase; * known or suspected allergies to implant and/or instrument materials; * pathological conditions of bone which would adversely affect the anchor fixation; with concurrent severe injury at index leg that may influence the outcome evaluation; Severe obesity; * With concurrent disease that may influence the index ankle function; * Patients with active sepsis or infection; * With concurrent disease that may influence the stability of device and rehabilitation; * Immune suppression, impairment of immune function, or autoimmune disease; * Pregnant or lactating women; * Known noncompliance or lost follow-up risk; * Participated other drug, biologic, or device clinical trial 12 months before enrollment; * Alcohol or drug abuser; * Other inappropriate condition based on investigator determination;