Medical apparatus and instruments, namely, orthopedic fixation device used in orthopedic transplant and/or implant surgery; endoprostheses; medical apparatus and instruments for use in surgery; implants consisting of artificial materials; biodegradable bone fixation implants; artificial bone materials of ceramics; substitutes for bones; bone prostheses; artificial bone parts to be implanted in natural bones; artificial bones for implantation; bone implants for use in bone grafting; artificial...