SOUTH JORDAN, Utah, April 14, 2011 (GLOBE NEWSWIRE) -- Merit Medical Systems, Inc. (Nasdaq:MMSI), a leading manufacturer and marketer of proprietary disposable devices used primarily in cardiology, radiology and endoscopy, today announced record sales of $86.6 million for the quarter ended March 31, 2011, an increase of 28.5% over sales of $67.4 million for the first quarter of 2010.