10 Surgical apparatus and instruments; prostheses, namely, orthopedic prostheses, artificial joints, jaw or facial prostheses, tendon and ligament prostheses, bone prostheses, artificial bone screws, dental prostheses, vascular prostheses, heart pacemakers, artificial heart valves, breast prostheses, penile prostheses; artificial implants, namely, artificial orthopedic implants, joints, jaw or facial implants, tendon and ligament implants, skin implants, bone implants, dental implants, vascular implants, breast implants, penile implants, nerve growth implants, intraocular implants; bone substitutes for surgical use; injectors for medical use, namely, medical fluid injectors; trocars