Medical devices, namely, implants consisting of artificial materials for use with spinal fixation apparatus and stabilizing spinal segments and orthopedics; surgical implements and tools, namely, pliers, distracting probes, screwdrivers, keys, square awls and palpators; osteosynthesis and arthrodesis equipment for the spinal column, namely, screws, rods, plates, nuts, washers, connecting bars, hooks, cages, spacers, spinal prosthesis, vertebral orthopedic body replacement apparatus and disc prosthesis; spinal implants composed of artificial material for straightening and stabilization of the spinal column and medical and surgical apparatus and instruments for use therewith, namely, 3D navigation apparatus with specific instruments dedicated to spinal implants positioning and stabilization; implants consisting of artificial material, namely, polyetheretherketone anterior and posterior implants for stabilizing the spine; implants consisting of artificial material, namely, vertebral body replacement and fusion implants