BVM 2 (IMAGE) Rice University Caption Rice University staffer Danny Blacker holds a bag valve mask. Rice staff, students and partners have developed an automated bag valve mask ventilator unit that can be built for less than $300 in parts and helps critically ill COVID-19 patients. Credit Jeff Fitlow/Rice University Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.