A stent in a non-expanded state has a first and second expansion column, each consisting of a plurality of expansion strut pairs. An expansion strut pair includes a first expansion strut, a second expansion strut and a joining strut that couples the first and second expansion struts at one end. Expansion...http://www.google.com/patents/US8021414?utm_source=gb-gplus-sharePatent US8021414 - Intravascular stent