A device to be used as a vascular stent comprising a cylindrical open-ended wire component made of a low memory metal such as copper alloy, titanium, or gold, providing a radial support from within a blood vessel after implantation therein. The coronary stent is characterized by its ability to be expanded...http://www.google.ca/patents/US4969458?utm_source=gb-gplus-sharePatent US4969458 - Intracoronary stent and method of simultaneous angioplasty and stent implant