MINNEAPOLIS--(BUSINESS WIRE)--Possis Medical, Inc. (NASDAQ:POSS) a developer, manufacturer and distributor of pioneering medical devices used in endovascular procedures, today announced that Mercy Hospital in Coon Rapids, Minnesota was the first hospital to use its new AngioJet Ultra Thrombectomy System. The next-generation Ultra System, which was approved by the U.S. Food and Drug Administration (FDA) in December for blood clot removal (thrombectomy), was successfully used by physicians at the Mercy Heart & Vascular Center in multiple thrombectomy procedures over the past two weeks.