A - Human Necessities – 61 – F
Patent
A - Human Necessities
61
F
A61F 7/12 (2006.01) A61B 18/08 (2006.01) A61B 17/00 (2006.01) A61B 17/42 (2006.01) A61B 18/04 (2006.01) A61B 18/14 (2006.01)
Patent
CA 2230890
The invention provides improved methods and devices for heating a thermally conductive fluid within an internal body organ thermally to ablate or necrose the body organ. In an examplary embodiment, the invention provides a thermal ablation device (10) having an elongate member (12) with a proximal end (14), and a distal end (16). A heating apparatus is provided near the distal end (16) of the elongate member (12) which is constructed to heat a thermally conductive fluid without substantial direct heating of the heating apparatus. A fluid circulator (50) is provided near the heating apparatus which circulates the thermally conductive fluid past the heating apparatus.
L'invention concerne des améliorations des procédés et des dispositifs permettant de chauffer un fluide thermiquement conducteur à l'intérieur d'un organe creux afin de provoquer l'ablation ou la nécrose de celui-ci. Dans un mode de réalisation exemplaire, l'invention concerne un appareil d'ablation thermique (10) comportant un élément allongé (12) avec une extrémité proximale (14) et une extrémité distale (16). Un dispositif de chauffage placé à proximité de l'extrémité distale (16) de l'élément allongé (12) chauffe le fluide thermiquement conducteur pratiquement sans chauffer lui-même. Un circulateur (50) de fluide placé à proximité du dispositif de chauffage fait passer le fluide thermiquement conducteur devant le dispositif de chauffage.
Laird Robert J.
Masterson Steven P.
Innerdyne Inc.
Sim & Mcburney
LandOfFree
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