10 Surgical, medical, dental, orthopedic and veterinary apparatus and instruments, namely, orthopedic joint implants, artificial limbs, eyes and teeth, orthopedic articles, namely, articular joint prosthesis, suture materials, dental prostheses, bone substitutes for surgical use, namely, cervical spacers for intersomatic grafts; artificial bone parts to be implanted in natural material for filing bony tissue; long-term implantable medical devices, namely, prosthetic knees, shoulders, ankles, hips; medical devices of calcium phosphate and reabsorbable polymers, namely, hydroxyapatite bone and cartilage substitutes; prosthetics devices, namely, knee prosthesis; implantable devices for prosthetic joints made of metal, polymeric and inert or active ceramic materials in the nature of calcium phosphate, namely, resurfacing knee prosthesis, unicompartmental knee prostheses, total knee prostheses; implantable medical devices for the regeneration of chondral and osteochondral defects, namely, artificial cartilage and bone for implantation; implantable medical devices for the regeneration of bone defects, namely, bone substitute; biocompatible artificial materials for implantable surgical devices, namely, knee prosthesis