A spinal fusion implant for insertion between adjacent vertebral bodies has opposed
upper and lower surfaces adapted to contact each of the adjacent vertebral bodies
from within the disc space, a leading end for insertion between the adjacent vertebral
bodies, and a trailing end opposite the leading end. The trailing end has an exterior
surface and an outer perimeter with an upper edge and a lower edge adapted to be
oriented toward the adjacent vertebral bodies, respectively, and a plurality of
bone screw receiving holes. At least one of the bone screw receiving holes is adapted
to only partially circumferentially surround a trailing end of a bone screw received
therein. At least one of the bone screw receiving holes passes through the exterior
surface and one of the edges so as to permit the trailing end of the bone screw
to protrude beyond one of the edges.