SAN CLEMENTE, Calif.--(BUSINESS WIRE)--VertiFlex, Inc., a leading innovator of minimally invasive and motion preserving spinal surgery technologies, announces the appointment of William H. Duffell, Ph.D. as Vice President, Global Clinical Research. Dr. Duffell will be responsible for leading all aspects of the Superion™ Interspinous Spacer IDE pivotal trial, as well as clinical development strategies outside the United States.
