Surgical Release of Hand Tendons with Wrapping of the Released Tendon Using an Amniotic Membrane

Inclusion Criteria: * Man or woman aged 18 to 65 years old * Adhesion of a flexor and/or extensor tendon of the hand. * Adhesion localized to a single finger. * Adhesion that has been present for at least 3 months following primary repair, despite high-quality rehabilitation. Primary repair is defined as the repair of a tendon injury, fracture, crush injury of the finger, infection, etc., leading to the adhesion of the tendon to surrounding tissue. * Patient with a total passive range of motion of the proximal and distal interphalangeal joints of at least 150°. * Informed and consenting patient. * Patient enrolled in a social security plan or a beneficiary of such a plan. Exclusion Criteria: * Pregnant or breastfeeding woman, or without an effective method of contraception. * Patient requiring tenolysis after tendon grafting for the reconstruction of a deep common flexor or after reimplantation. * Patient with amputated hand(s). * Patient with an untreated fracture or non-union in the affected hand. * Patient requiring multiple surgical interventions that may be potential confounding factors, particularly those involving additional incisions. * Patient unable to understand rehabilitation or follow the study protocol. * Patient with a contraindication to anesthesia. * Person deprived of liberty by judicial or administrative decision. * Adult subject to legal protection measures or incapable of expressing consent.