DANVERS, Mass.--(BUSINESS WIRE)--Abiomed (NASDAQ: ABMD) announces the United States Food and Drug Administration (FDA) has approved the company's investigational device exemption application to start an early feasibility study with a first-in-human trial of the 9 French (Fr) Impella ECP™ heart pump. Impella ECP, which stands for expandable cardiac power, will be studied in high-risk percutaneous coronary intervention (PCI) patients.