Ankle orthoses are orthopedic devices designed to stabilize the ankle joint, limit excessive inversion and eversion, and reduce mechanical stress on ligaments, tendons, and surrounding soft tissues. By providing controlled compression and structural reinforcement, these supports enhance joint alignment while maintaining functional mobility. O’tessy ankle braces are developed based on biomechanical principles to assist recovery in cases of sprains, ligament strain, chronic ankle instability, post-traumatic care, and post-operative rehabilitation. Depending on clinical needs, models range from elastic compression sleeves to splinted or reinforced orthoses offering advanced motion restriction and stabilization.