MEMPHIS, Tenn.--(BUSINESS WIRE)--The first patient to enter an FDA approved clinical trial designed to determine the safety and effectiveness of the DIAM™ Spinal Stabilization System has undergone successful implant surgery. Medtronic, Inc. (NYSE:MDT) announced today that the surgery was performed on Sept. 23, by J. Kenneth Burkus, M.D., of the Hughston Clinic in Columbus, Ga.