A Long-Lasting Nerve Block (IMAGE) Boston Children's Hospital Caption This is a multilamellar liposome containing local anesthetics. Credit Courtesy Daniel Kohane, MD, PhD, Children's Hospital Boston. Usage Restrictions Please credit as indicated. 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.