ST. PAUL, Minn.--(BUSINESS WIRE)--St. Jude Medical, Inc. (NYSE:STJ) today announced the first patient implants of its Libra® deep brain stimulation (DBS) system for treating the symptoms of Parkinson’s disease, a progressive neurological disorder that affects a person’s control over his or her movements and speech. The announcement was made at the European Association of Neurosurgical Societies and the Société Française de Neurochirugie joint annual meeting in Marseille, France.