Intervertebral body fusion implant device

摘要

An intervertebral body fusion implant device configured for being engaged between two adjacent vertebrae comprises an implant device body having an upper bone engaging portion and a lower bone engaging portion, a plurality of protrusions extending from each one of the upper and lower bone engaging portions, and a guide rail extending from each one of the bone engaging portions. A passage extends between the upper bone engaging portion and the lower bone engaging portion. The guide rail of each one of the bone engaging portions extends beyond a tip portion of each one of the protrusions thereof Each one of the guide rails extends substantially parallel with each other one of the guide rails.