Medical and surgical apparatus and instruments, namely, surgical implants composed of artificial materials for the treatment of diseases of the spine; vertebral discectomy apparatus and instruments; vertebral orthopedic apparatus and instruments; orthopedic fixation devices used in vertebral implant surgery; pedicle screws and connecting rods used in vertebral surgery; surgical interbody spacers, cages, and associated instruments, namely, surgical cutters for implant site preparation, implant trials for verifying a fit between the surgical site size and the implant size, and implant holders and insertion tools for holding and inserting the implant into the site; and parts and fittings for medical imaging apparatus providing patient and instrument positioning data in spinal surgery including minimal invasive surgical instruments