TUCSON, AZ -- (MARKET WIRE) -- April 23, 2007 -- Ventana Medical Systems, Inc. (NASDAQ: VMSI) today announced that its SYMPHONY One Touch H&E staining system has received a 2007 Medical Design Excellence Award (MDEA) in the category of in vitro diagnostics. The MDEA competition is the premier product design award program for companies involved in the design, engineering, manufacture, and distribution of medical devices.