Manufactured respirators (IMAGE) University of Malaga Caption The ventilator developed by researchers of the UMA had to pass two clinical tests on humans. Both tests were carried out for four hours on patients affected by COVID-19 and admitted to the ICU, resulting in success indicators that validated this technology. Credit University of Malaga 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.