SOUTH JORDAN, Utah, Sept. 2, 2009 (GLOBE NEWSWIRE) -- Merit Medical Systems, Inc. (Nasdaq:MMSI), a leading manufacturer and marketer of proprietary disposable medical devices used in interventional and diagnostic procedures, particularly in cardiology, radiology and gastroenterology, today announced that it will participate at Thomas Weisel Partners’ Healthcare Conference being held September 9-11, 2009 at the Four Seasons Hotel in Boston.