SOUTH JORDAN, Utah, April 24, 2008 (PRIME NEWSWIRE) -- Merit Medical Systems, Inc. (Nasdaq:MMSI), a leading manufacturer and marketer of proprietary disposable devices used primarily in cardiology and radiology procedures, today announced sales of $53.6 million for the first quarter ended March 31, 2008, an increase of 5% over sales of $51.0 million for the first quarter of 2007.