Pelvic internal fixation device and methods of using the same

A surgical device, wherein the device comprises a bone screw, a bone screw head connector, and a rod, wherein a receiving end of the bone screw head connector is rotatably coupled to a screw head of the bone screw, wherein the rotatable coupling allows deflection of a longitudinal axis of the bone screw head connector from the longitudinal axis of the bone screw, wherein the bone screw head connector is threadably attached to a rod attachment end, wherein the threadable attachment allows adjustment of the rod attachment end's distance from the bone screw head connector, wherein the rod attachment end is configured for attachment to the rod.