Spinal implant, driver tool and nut guide

摘要

A spinal implant for an osteosynthesis device has a vertebral connecting rod for interconnecting adjacent vertebral bodies and comprises an implant body including a head section having a threaded portion, a rod retaining recess opening outward for retaining the connecting rod therein and a slanted engagement surface formed on a bottom wall of the rod retaining recess. The spinal implant further includes a nut member and a rod movement stabilizing device to preserve mobility to the connecting rod.