A flexible stent structure includes a plurality of axially spaced strut portions defining generally tubular axial segments of the stent and constructed to be radially expandable. A helical portion is interposed axially between two strut portions and has a plurality of helical elements connected between...http://www.google.com.au/patents/US20060247759?utm_source=gb-gplus-sharePatent US20060247759 - Flexible stent
