ALLEN, TX--(Marketwire - February 22, 2008) - Atrion Corporation (NASDAQ: ATRI) announced today revenues that were slightly lower for the fourth quarter but higher for the full year 2007. Revenues for the fourth quarter of 2007 were $20,989,000 compared to $21,379,000 in the same period of 2006, representing a 2% decrease. On a diluted per share basis, net income for the quarter increased 3% to $1.57 from $1.52 in the fourth quarter of 2006.