Cold Plasma Scalpel (IMAGE) Purdue University Caption Purdue aerospace engineer Alexey Shashurin assisted in the development of the Canady Helios Cold Plasma System and Scalpel, which has been approved by the FDA for use in clinical trials. Credit US Medical Innovations image 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.