SURGICAL AND MEDICAL APPARATUS AND INSTRUMENTS AND THEIR COMPONENTS, NAMELY OSTEOSYNTHETIC INSTRUMENTS, NAMELY RASPS, DRILLS, SCREW DRIVERS, MONKEY WRENCHES AND HAMMERS FOR OSTEOSYNTHETIC USE; INTERNAL AND EXTERNAL BONE FIXING APPARATUS AND INSTRUMENTS, NAMELY BONE SCREWS, BONE PLATES, BONE CLAMPS, CERCLAGES AND WIRES FOR USE WITH ARTIFICIAL LIMBS, PROSTHESES AND IMPLANTS; ARTIFICIAL LIMBS; ARTIFICIAL IMPLANTS, NAMELY OSTEOSYNTHETIC IMPLANTS, IMPLANTS FOR THE SPINAL COLUMN, KNEE IMPLANTS AND THEIR COMPONENTS; ENDOPROSTHESES, NAMELY PRESSURE DISC PROSTHESES; HIP PROSTHESES IN PARTICULAR METAPHYSICALLY ANCHORED HIP PROSTHESES AND THEIR COMPONENTS; ENDOPROSTHETIC FIXTURES, NAMELY WIRES, HOOKS AND SCREWS; BONE INSERTS; AND HIP-JOINT, KNEE-JOINT, FINGER-JOINT, TOE-JOINT AND SHOULDER JOINT IMPLANTS COMPOSED OF ARTIFICIAL MATERIAL