Medical instruments for use in spinal surgery, namely, trocars, spacers, cannulas, inserters, mechanical levers, curettes, dilators, retractors, and separators; spinal implant systems, namely inter-vertebral body implants, inter-vertebral disc prostheses, pedicle screws, spacers, stabilizing cords, plates, measuring gauges, spinal implant positioners, and expanders; spacer positioning devices, namely surgical grippers and measuring gauges; spinal implant placement devices, namely trocars, can...