ST. PAUL, Minn.--(BUSINESS WIRE)--St. Jude Medical, Inc. (NYSE:STJ) today announced the completion of patient implants in its U.S. pivotal clinical study of deep brain stimulation (DBS) for the symptomatic treatment of Parkinson’s disease, a neurological disorder affecting approximately 6.3 million people worldwide that progressively diminishes a person’s control over his or her movements. The announcement was made at the Movement Disorder Society’s 13th International Congress of Parkinson’s Disease and Movement Disorders in Paris.