An expandable stent comprised of a plurality of helical segments is disclosed. In one embodiment, the stent is generally cylindrical in shape having a cylindrical axis, and comprises a first and second set of helical segments. The helical segments in the first set are substantially parallel and have...http://www.google.fr/patents/US7942922?utm_source=gb-gplus-shareBrevet US7942922 - Stent having helical elements
