10 implants comprising artificial materials for spine surgery; artificial inter-vertebral implants; artificial corpectomy implants; artificial osteosynthesis materials in the nature of implants and prostheses for the spinal column; prostheses for the spinal column; medical and surgical apparatus and instruments, for use in orthopedic surgery, for the placement of spinal implants, osteosynthesis materials and spinal prostheses, inter-vertebral implants, corporectomy implants and vertebral disc prostheses