Endoprosthesis, such as a stent, includes at least one annular element defined by a first set of strut members interconnected to define apices proximate opposite sides of the annular element. The annular element further includes a foot extension extending between at least one pair of circumferentially-adjacent...http://www.google.ca/patents/US20070021827?utm_source=gb-gplus-sharePatent US20070021827 - Endoprosthesis Having Foot Extensions
