NORWOOD, Mass.--(BUSINESS WIRE)--Aspect Medical Systems, Inc. (NASDAQ: ASPM), reported today that worldwide sensor revenue was $21.5 million for Q2 2009, a 1% increase from $21.4 million in Q2 2008 and total revenue was $24.9 million, a decline of 1% from $25.2 million in Q2 2008.
