An apparatus for surgical fusion of a cranio-cervical junction includes a plate member, where the plate member includes a bottom portion configured to be secured to a cranium; a top portion including a plurality of perforations extending therethrough configured to promote bone growth, wherein the top portion and the bottom portion define a graft accommodation space; and first and second side portions coupled to the top and bottom portions on first and second sides of the graft accommodation space. The first side portion is configured to receive a first support rod and the second side portion is configured to receive a second support rod.