ALLEN, Texas--(BUSINESS WIRE)--Atrion Corporation (Nasdaq:ATRI) announced today higher revenues and earnings per share for the fourth quarter and the full year 2006. Revenues for the fourth quarter of 2006 were $21,379,000 compared to $17,003,000 in the same period of 2005, representing a 26% increase. On a diluted per share basis, net income for the quarter increased 38% to $1.52 from $1.10 in the fourth quarter of 2005. Atrion’s revenues for the full year of 2006 increased 12% to $81,020,000 from $72,089,000 in 2005. Net income per diluted share of $5.51 in 2006 was 18% higher than 2005’s net income of $4.66 per diluted share.