A wire stent for insertion and expansion into a passageway comprises a plurality of curved sections that are formed into a generally circular configuration. Adjacent curved sections are joined by a bend or cusp, so that a series of alternating opposing loops are formed. The wire stent as formed has a...http://www.google.com.au/patents/US5314444?utm_source=gb-gplus-sharePatent US5314444 - Endovascular stent and delivery system