A vascular stent for reducing hemodynamic disturbances caused by angioplasty. The stent is formed from a single filament of low memory biocompatible material having a series of U-shaped bends. The filament is wrapped around a mandril, in a circular fashion, in order to align the curved portions of each...http://www.google.es/patents/US5370683?utm_source=gb-gplus-sharePatente US5370683 - Vascular stent
