A surgical implant device configured to be implanted in a facet joint of a spine, comprising: a substantially cylindrical central body portion and a pair of substantially prismatic side portions extending in radially opposite directions disposed on either side of the substantially cylindrical central body portion wherein the substantially cylindrical central body portion is configured to be disposed in a central hole formed across the facet joint and crossing a plane of an articulating surface of each of a superior facet and an inferior facet thereof wherein each of the substantially prismatic side portions is configured to be disposed in a side hole parallel to the central hole formed across the facet joint and crossing the plane of the articulating surface of each of the superior facet and the inferior facet thereof and wherein each of the side holes partially overlap the central hole.
