NORWOOD, Mass.--(BUSINESS WIRE)--Aspect Medical Systems, Inc. (NASDAQ: ASPM), reported today that product revenue was $24.4 million for Q1 2008, a 9% increase from $22.4 million in Q1 2007, and that total revenue was $24.4 million for Q1 2008, a 1% increase from $24.1 million in Q1 2007.