A medical device includes a flexible member having a variable geometry tip with a thermally-transmissive region. A smooth fluid path is provided through the flexible member to and from the variable geometry, thermally-transmissive region. The thermally-transmissive region can be deformed....http://www.google.fr/patents/US6106518?utm_source=gb-gplus-shareBrevet US6106518 - Variable geometry tip for a cryosurgical ablation device
Variable geometry tip for a cryosurgical ablation device
