Patent ID: 8968385
Filing Date: 2015-03-03
Classification: A61F

Abstract:
1. An expandable stent having an unexpanded state, the unexpanded stent comprising: a body defining a cylindrical axis, the body including a plurality of first helical segments, each first helical segment consisting of a plurality of substantially single S-shaped portions alternating with a plurality of connection elements, wherein each substantially single S-shaped portion is connected to only two connection elements and defines at least three generally parallel linear portions each being angled with respect to the cylindrical axis, and wherein each connection element defines a substantial H-shape having two generally parallel legs joined together; and a plurality of second helical segments, each second helical segment consisting of a plurality of the connection elements alternating with a plurality of undulations extending therebetween, each undulation having a rotational orientation different than each of the substantially single S-shaped segments, and wherein each undulation is an inversion of each substantially single S-shaped segment.