NEWTON, Mass.--(BUSINESS WIRE)--Nov. 22, 2005--Aspect Medical Systems, Inc. (NASDAQ: ASPM) and Nihon Kohden Corp. today announced that the Japanese Ministry of Health, Labour & Welfare (MHLW) has approved Aspect's latest generation BIS(TM) XP monitoring system for marketing in Japan. Earlier versions of BIS technology were originally approved in Japan in 2000 and 2001. The BIS XP technology will provide clinicians with a number of consciousness monitoring performance enhancements and Aspect expects to ship the first XP monitors to Nihon Kohden in December.
