A self filling autograft bone screw for stabilizing and fusing bones within a body of a patient. The self filling autograft bone screw includes an elongated body member, a lumen disposed within the elongated body member, a plurality of external threads, a cutting section, and at least one opening disposed along the length of the elongated body member. A system and method for inserting a bone screw into a bone of a patients body includes advancing and positioning a self-filling bone screw including an elongated body member, a lumen disposed within the elongated body member, a plurality of external threads, a cutting section, and at least one opening disposed along the length of the elongated body member into a bone within a patients body.
