Petrosa engagedly fixing device and flat plate is connected with anterior cervical plate system and method for installing the same

摘要

Before cervical flat plate systems are connected flat plate includes a vertebral body engaging fastener coupled to the movable flat plate system changes the spacing between the fixing points for fixing to the vertebral bodies, and allows for internode compression of the vertebral body , and / or produce. Flat plate system comprises a method for mounting the device and the device. Flat plate systems, both passive dynamization and active dynamization can be performed, thereby generating the former from the latter.