Patent 7717943 was granted and assigned to X-Spine Systems, Inc. on May, 2010 by the United States Patent and Trademark Office.
A spinal fixation assembly and capless multi-axial screw system and method are shown. The assembly comprises a receiver having a rotary lock which in one embodiment includes a plurality of channels which urge and lock the elongated member to the screw using a bayonet type connection.