A pedicle screw system applicable to affixation medical systems is provided. The system comprises a screw tulip comprising a rod receiving channel configured to receive a spinal rod, a shank configured to anchor the screw tulip and spinal to a pedicle. A bushing disposed between an interior surface of the screw tulip and a first end of the shank, wherein the first side of the bushing channel is defined by a top edge of a first wall of the bushing, a second side of the bushing channel is defined by a top edge of a second wall of the bushing, and the bushing channel is set at an angle defined by the top edge of the first wall and the top edge of the second wall.