Surgical material for orthopaedic purposes; surgical implants (artificial) for traumatology osteosynthesis limb and trunk orthopaedics; joint prostheses, ancillary equipment; ankle prostheses; surgical screws; artificial surgical implants; surgical pins; protective cap for surgical pins; surgical, dental and veterinary apparatus and instruments; artificial limbs; orthopaedic articles; orthopaedic belts; orthopaedic footwear; artificial implants for bone filling; bone substitutes; artificial materials for bone grafts