Implants consisting of artificial materials, namely, screws and rods for thoraco-lumbar osteosynthesis; ancillary surgical instruments, namely, ratchet handle, axial persuader, torque control unit, rod gripper, counter-torque, crosslink torque control handle, screw holder, screwdriver, screw tap, screw head positioner, malleable rod, rod holder, rod pusher, pedicular marker, compressor, distractor, French bender, rotation wrench, thoracic probe, awl, rocker, compressor, distractor, axial pers...