SKANEATELES FALLS, N.Y.--(BUSINESS WIRE)--Welch Allyn, a leading global provider of frontline medical products and solutions, today announced it has added the Braun ThermoScan® PRO 4000 Ear Thermometer as an accessory option to the Welch Allyn Connex® Vital Signs Monitor, part of the Welch Allyn Connex® Electronic Vitals Documentation (EVD) System. The device can also accommodate the Welch Allyn SureTemp® Plus electronic thermometer, making it the first multiparameter vital signs device that can accommodate both thermister oral/axillary/rectal and tympanic ear thermometry accessories simultaneously.