Medical devices in the nature of surgical implements and tools, namely, surgical pliers, distracting probes, screwdrivers, keys, square awls, and palpators, all for medical and surgical purposes; osteosynthesis and arthrodesis equipment for the spinal column, namely, bone screws, rods, plates, and related devices in the nature of nuts, washers, connecting bars, hooks, cages, spacers, spinal prosthesis and disc prosthesis, all for stabilizing the spine; spinal implants comprising artificial material for straightening and stabilization of the spinal column, and medical and surgical apparatus and instruments in the nature of a 3D navigation apparatus specifically designed for positioning and stabilization of spinal implants; surgical implants comprising artificial material, namely, poly-ether-ether-ketone anterior and posterior implants for stabilizing the spine and surgical tools, namely, surgical knives and surgical pliers; vertical bone implants composed of artificial materials and vertebral bone filling materials, namely artificial materials for use in the replacement of bones