Boston Scientific wins CRT heart device appeal against Medtronic WASHINGTON (Reuters) - Boston Scientific Corp won a round in a legal battle with Medtronic Inc on Tuesday over an implantable medical device called a CRT, which gives the heart electrical jolts if it fails to pump blood properly. The U.S. Court of Appeals for the Federal Circuit said it was vacating a ruling from a Delaware court that Medtronic did not infringe on the Boston Scientific patents. It remanded the case to the lower court for reconsideration. Reporting By Diane Bartz; Editing by Gerald E. McCormick