Surgical, medical and veterinary instruments and apparatus, namely implant system to stabilize the spine consisting primarily of inter-vertebral disc prostheses, pedicle screws, modular spacers, stabilizing cords, plates, instruments for measuring the pedicular distance with gauges, square tipped reamers, screw positioning instruments, cord tensioning instruments, hexagonal screwdrivers with retention clamps, mating holding instruments, expanding instruments and positioning instruments for sp...