SEATTLE--(BUSINESS WIRE)--Calypso Medical Technologies, Inc. (www.calypsomedical.com) announced today that Duke University Medical Center is the first in the country to install a Calypso® 4D Localization System™ with the just-released Adaptive Workflow Efficiency option to optimize radiation treatment for their cancer patients. The upgradeable system option includes Adaptive Couch Repositioning™ which provides connectivity between the Calypso System and Varian Medical Systems’ 4D integrated treatment console (4DITC), to allow an immediate, on-line response to organ motion.