An endovascular heat transfer device which can have a smooth exterior surface, or a surface with ridges and grooves. The device can have a plurality of elongated, articulated segments, with each having such a surface. A flexible joint connects adjacent elongated, articulated segments. The flexible joints...http://www.google.es/patents/US7066948?utm_source=gb-gplus-sharePatente US7066948 - Selective organ cooling apparatus and method