WATCHMAN Device (IMAGE) The Journal of Visualized Experiments Caption The WATCHMAN device is inserted into a small cavity in the heart to prevent clots from traveling to the brain. Credit © <I>Journal of Visualized Experiments</I> Usage Restrictions This image may only be used with appropriate credit and must be linked to <A HREF="http://www.jove.com">jove.com</A> 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.