Cryo ablation coil

A - Human Necessities – 61 – B

Patent

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Details

A61B 18/02 (2006.01) A61B 17/00 (2006.01) A61B 17/22 (2006.01)

Patent

CA 2496575

The present invention pertains to devices for causing cold-induced necrosis or apoptosis. The present invention includes a cryo therapy apparatus including a core member; a cryoplasty tube coupled to the core member, the cryoplasty tube having a proximal end and a distal end; wherein the distal end includes a coil disposed about at least a portion of the tubular sheath, the coil including at least one opening; an outer tube disposed over at least a portion of the cryoplasty tube; and a cooling member disposed over the coil and coupled to the outer tube. A method of causing cold-induced necrosis is also disclosed.

L'invention concerne des dispositifs qui permettent de provoquer une nécrose ou une apoptose induite par le froid. D'une manière plus spécifique, l'invention concerne un appareil de cryothérapie constitué d'un élément central ; d'un tube de cryoplastie couplé à l'élément central et pourvu d'une extrémité proximale et d'une extrémité distale, l'extrémité distale comprenant une bobine disposée autour d'au moins une partie de la gaine tubulaire, la bobine étant pourvue d'au moins une ouverture ; un tube extérieur disposé sur au moins une partie du tube de cryoplastie ; et un élément de refroidissement disposé sur la bobine et couplé au tube extérieur. L'invention concerne également une méthode permettant de provoquer une nécrose induite par le froid.

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