SEATTLE--(BUSINESS WIRE)--Calypso Medical Technologies, Inc., a developer of real-time localization technology used for the precise tracking of tumor targets, today announced that it has entered into a non-exclusive product distribution agreement with Siemens Healthcare for the sale of its Calypso® System in Europe. Under terms of the agreement, Siemens retains non-exclusive rights to sell Calypso’s real-time tracking technology to existing and prospective Siemens linear accelerator customers throughout Europe for a period of three years.