Abbott says FDA approved heart valve medical device

(Reuters) – Abbott Laboratories said on Friday that the U.S. Food and Drug Administration approved its MitraClip medical device, used to stop heart valve leakage. A slim majority of advisers to the FDA had recommended approval of the implantable heart device, as some had questioned whether it would be effective for its intended use. The device was already approved for use in Europe and sells in 30 countries. …