ACell, Inc. (ACell), a Maryland-based medical device manufacturer, pleaded guilty to charges relating to its MicroMatrix powder wound-dressing product (MicroMatrix). ACell entered a guilty plea before U.S. District Court Judge Ellen L. Hollander in the District of Maryland to one misdemeanor count of failure and refusal to report a medical device removal in violation of the Federal Food, Drug, and Cosmetic Act (FDCA).