ST. PAUL, Minn.--(BUSINESS WIRE)--May 17, 2006--St. Jude Medical, Inc. (NYSE:STJ - News) today announced U.S. Food and Drug Administration (FDA) approval of its Safire(TM) Ablation Catheter, and FDA clearance and European CE Mark for its Inquiry(TM) Optima(TM) PLUS Steerable Diagnostic Catheter.