The present invention is directed to a flexible expandable stent for implantation in a body lumen, such as a coronary artery. The stent generally includes a series of metallic cylindrical rings longitudinally aligned on a common axis of the stent and interconnected by a series of links which be polymeric...http://www.google.de/patents/US7316710?utm_source=gb-gplus-sharePatent US7316710 - Flexible stent