FDA Raises Alarm on Abiomed's Impella Heart Pumps: What Patients Need to Know The U.S. Food and Drug Administration (FDA) has recently escalated concerns over the medical devices manufactured by Abiomed, an affiliate of Johnson and Johnson. An official warning letter, which saw public light on the FDA's website on October 10 but … [Read more...] about Abiomed Impella Heart Pump Lawsuit Attorneys