HAWTHORNE, Calif.--(BUSINESS WIRE)--OSI Systems, Inc. (NASDAQ:OSIS), a vertically-integrated provider of specialized electronic products for critical applications in the Security and Healthcare industries, announced today that its Healthcare Division, Spacelabs Healthcare, will launch the evo Digital Holter Recorder and Voyager 12-Lead Electrocardiogram (“ECG”) system at the American College of Cardiology’s (ACC) 56th Annual Scientific Session to be held in New Orleans, March 24–27, 2007.