Use of a Nerve Regeneration Conduit (NerVFIX®) in the Treatment of Nerve Section of the Wrist

Inclusion Criteria: * Men and women over 18 years of age and under 65 years of age * One wrist nerve section ( medial, ulnar) with a minimum of 2 mm and maximum gap of 2 cm evaluated during the surgical procedure (Sunderland Grade V) * Inclusion of direct suture with wrapping or nerve defect with NerVFIX for nerve junction * Poor outcome on the Mackinnon-Dellon scale: \< S3 * Within 1 month of the injury or accident event and/or at the time of the injury (emergency procedure) * Any damaged artery must be repaired * Patient with no poor vascularization risk (no surgical treatment of vessel section) or no disease linked to poor vascularization. * Patient who received the study information and provided consent * Patients who are members or the beneficiary of a national health insurance plan Exclusion Criteria: * Breast feeding women or women without effective contraception (if no effective contraception: a pregnancy test is mandatory) * Digital nerve section * Pregnant or breast feeding women: Women of childbearing age will be asked to undergo a pregnancy test before being enrolled into the study and to use an effective birth control method * Patient who suffered amputation of the hand in question * Surgical site infection or necrotic area; tendon and/or bone damage * Underlying motor or sensory disorder that could compromise the evaluation; inflammatory arthritis causing pain * Disease that compromises healing such as diabetes, alcoholism or skin disorder * Vascular disease leading to reduced blood flow or altered microvascularisation such as Raynaud's disease * Subjects who are unlikely to follow through with rehabilitation or who could be addicted to drugs or alcohol; heavy smokers will be asked to stop smoking voluntarily * Persons confined by a judicial or administrative decision * Adults subject to legal protection measures or who are unable to provide their consent