BARCELONA--(BUSINESS WIRE)--Medtronic, Inc. (NYSE: MDT), today announced that its Endeavor drug-eluting stent (DES) is the first and only coronary stent to have received CE (Conformité Européene) Mark approval for treating patients with acute coronary syndrome (ACS), which includes unstable angina and acute myocardial infarction (AMI), commonly known as heart attack.