This rigid support orthosis by Epitact Pharma is specifically designed to manage Rizoarthrosis (base of thumb arthritis). It provides crucial stabilization to the carpometacarpal joint, helping to reduce pain and improve joint alignment during daily activities. Its rigid structure ensures effective immobilization where necessary, supporting the joint against painful movements while allowing light functional use. This orthosis is intended to offer therapeutic relief and enhance comfort for individuals dealing with chronic thumb joint issues.