Gamma Knife (2 of 2) (image) University of Virginia Health System Share Print E-Mail Caption This is the Gamma Knife at the University of Virginia Health System. Credit UVA Health System Usage Restrictions May be used by reporters and webmasters to accompany news coverage of the AVM study. Share Print E-Mail 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.