SNAP nasendoscopy device in use (IMAGE) Aston University Caption A clinician performs a nasendoscopy on a patient wearing a facemask with the SNAP device attached. Credit Endoscope-i 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.