A stent having a generally tubular body formed of ring units formed of a plurality of cells each and expandable in the radial direction, wherein each ring unit is constituted of cells connected to one another above and below, arranged to surround the center line of the stent, the ring units are arranged...http://www.google.fr/patents/US7985251?utm_source=gb-gplus-shareBrevet US7985251 - Stent
