MINNETONKA, Minn.--(BUSINESS WIRE)--American Medical Systems® (AMS) (NASDAQ: AMMD), a leading provider of world-class devices and therapies for both male and female pelvic health, today announced that it has received clearance from the Japanese Ministry of Health, Labor and Welfare (MHLW) to market and distribute its AMS 800 Artificial Urinary Sphincter (AUS) in Japan, effective September 7, 2009.