System for direct heating of fluid solution in a hollow body org

Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...

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604 49, 604 54, 606 27, 606 31, 607113, 607105, A61F 712

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active

058910948

ABSTRACT:
The invention provides improved methods and devices for heating a thermally conductive fluid within an internal body organ to thermally ablate or necrose the body organ. In an exemplary embodiment, the invention provides a thermal ablation device having an elongate member with a proximal end and a distal end. A heating apparatus is provided near the distal end of the elongate member which is constructed to heat a thermally conductive fluid without substantial direct heating of the heating apparatus. A fluid circulator is provided near the heating apparatus which circulates the thermally conductive fluid past the heating apparatus.

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