A stent and a method of making it from a wire, which method includes winding the wire on a mandrel, heating to form a coiled spring, and reversing the winding direction of the coiled spring to form the reversed coiled spring stent. The stent so formed may be reheated over a special mandrel so as to partly...http://www.google.com.au/patents/US20040098102?utm_source=gb-gplus-sharePatent US20040098102 - Stent
