A self-expanding metal wire stent made of shape memory alloy such as nitinol in which a plurality of spaced sections of closed cells are interconnected by straight sections of wire which may be parallel to the longitudinal axis of the stent or may be disposed angularly with respect thereto....http://www.google.fr/patents/US6976994?utm_source=gb-gplus-shareBrevet US6976994 - Flexible metal wire stent