Puritan Bennett 980 Ventilator ventilator system helps patients breathe more naturally through innovative breath delivery technology. The Puritan Bennett 980 has an intuitive and highly configurable touch screen display that gives clinicians the options to see as little or as much information as needed including five graph and loop layout options. On the digital communication board, the PB 980 offers multiple USB ports for connections to external drives and an HDMI output port to project the touchscreen externally.