Medical and surgical apparatus, namely, orthopedic devices formed of artificial materials for interbody vertebral implants, spinal implants, spinal rods, bone screws, connecting rods and orthopedic fasteners; spinal instruments, namely, spinal cross connectors; medical screw connections; surgical implant kits containing spinal cross connectors, synthetic bone graft substitutes, bone matrix, connecting rods, bone screws, spinal rods and medical screw connections; medical and surgical apparatus and instruments for use in orthopedic surgery, spinal surgery, orthopedic transplant surgery, and implant surgery; surgical instruments for use in orthopaedic procedures; medical devices and instruments for treating patients with spinal conditions resulting from degenerative diseases, deformities, trauma, and sports-related injuries