GUIDE SLEEVE FOR OFFSET VERTEBRAE

摘要

A guide sleeve (50) with longitudinally offset bone engaging portions (72, 74) is provided for engagement with anterior-posterior offset vertebral bodies. In one aspect of the invention the guide tube (50) has fixed bone engaging portions in a predetermined offset position. In another form of the invention, the guide sleeve (80) is composed of at least two movably connected portions (82, 84) adapted to permit adjustment of the offset between the bone engaging portions (91, 93). Further, a method is provided for using a guide sleeve (50, 80) with offset bone engaging portions.