MINNEAPOLIS--(BUSINESS WIRE)--Medtronic, Inc. (NYSE: MDT), today announced the U.S. launch of the X-STOP PEEK IPD System, the first interspinous process decompression (IPD) device approved by the U.S. Food and Drug Administration (FDA) that offers a PEEK-Bone interface for treating the symptoms of lumbar spinal stenosis (LSS). LSS is the most common reason for back surgery in people over the age of 65 in the United States.