Patent 8012185 was granted and assigned to X-Spine Systems, Inc. on September, 2011 by the United States Patent and Trademark Office.
The pedicle screw system may be used for fixation of spinal segments and may be advantageous when minimally invasive surgery (MIS) techniques are employed. The pedicle screw system includes a tulip assembly comprising of a tulip body, a inner member, and an expansion member.