10 Artificial bone parts to be implanted in natural bones; Artificial bones for implantation; Bone implants composed of artificial materials; Bone screws; Bone setting machines and instruments; Bone substitutes for surgical use; Prosthetic and filling materials, namely, artificial materials for use in the replacement of bones; Prosthetic and filling materials, namely, putty for use in the replacement of bones; Substitutes for bones, cartilage, ligaments and tendons; Synthetic filler and extender material to serve as replacement for bone