WALLINGFORD, Conn.--(BUSINESS WIRE)--ALOKA Co., Ltd., announced today that its new, full featured, compact ultrasound system, the ProSound Alpha 6, will make its U.S. debut at the American Congress of Obstetricians and Gynecologists (ACOG) Annual Clinical Meeting, May 15-19, in San Francisco, CA. The ProSound Alpha 6 combines unprecedented performance and ease of use with an award winning ergonomic design for the OB/GYN, general imaging, and urology office markets.