SAN CLEMENTE, Calif.--(BUSINESS WIRE)--VertiFlex Inc., a privately-held medical device company, has announced the commercial release of the Superion™ Interspinous Spacer to countries outside the USA. The Superion implant is placed percutaneously between the spinous processes without the need to cut paraspinal muscles. It is primarily designed to offer relief from neurogenic intermittent claudication and leg pain commonly associated with spinal stenosis. The company received a CE mark for Superion in 2007 and has been clinically testing the device at several centers outside the U.S. for the last several months. The product is currently not approved for use in the U.S.