The object of this invention is to provide a stent for high frequency thermotherapy, which is fabricated by knitting first superlastic shape-memory alloy wires as a way to allow the first supereleastic shape-memory alloy wires to cross each other at different positions to make hollow cylindrical stent...http://www.google.de/patents/US20060161246?utm_source=gb-gplus-sharePatent US20060161246 - Stent for high frequency thermotherapy