A heat transfer device has first and second elongated, articulated segments, each having a turbulence-inducing exterior surface. A flexible joint connects the first and second elongated, articulated segments. An inner coaxial lumen is disposed within the first and second elongated, articulated segments....http://www.google.fr/patents/US6676688?utm_source=gb-gplus-shareBrevet US6676688 - Method of making selective organ cooling catheter