ANTERIOR CERVICAL PLATING SYSTEM

摘要

An anterior cervical plating system includes an elongated plate (20) having pairs of screw bores (27) at opposite ends (24, 24) of the plate, and bone screw slots (50) in the middle bridge portion (25) of the plate. A single locking screw (40) is provided at each end of the plate which engages the heads (32) of the bone screws (30) trapped within recesses (28) of the plate. A drill and tap guide assembly (100) is also disclosed which can be mounted on the fixation plate (20) for accurately drilling and tapping screw holes into the vertebra The drill and tap guide assembly (100) includes an assembly support (101) which is engaged to the plats (20) by way of a positioning screw (105) and cross pins (106) mounting the positioning screw (105) to the guide body (110).