CYCARE SYSTEMS INC <CYCR> BUYS MEDTEC CyCare Systems Inc said it bought Control Data Corp's <CDA> MedTec unit for an undisclosed sum. The company said MedTec's new client base could have a significant impact on long-term revenues, although it expects a minimal positive impact on earnings in the next six months. It said the assets purchased include processing agreements, software maintenance contracts and the supporting software.