Covidien reveals that it is under federal subpoena

In its annual 10-K filing with the SEC, Covidien ($COV) quietly noted that it is under a federal subpoena related to some of its peripheral vascular products. "On September 2, 2014, the U.S. Department of Health and Human Services, Office of Inspector General, issued a subpoena requesting production of documents relating to certain of our peripheral vascular products. We are complying as required with the terms of the subpoena," the filing states. Filing