Selective organ cooling apparatus and method

Details Selective organ cooling apparatus and method Selective organ cooling apparatus and method

A - Human Necessities

61

F

A61F 7/00 (2006.01) A61L 33/10 (2006.01) A61L 29/06 (2006.01)

Patent

CA 2419457

A catheter system and method are provided which change the temperature of a fluid, such as blood, by heat transfer. Selective cooling or heating of an organ may be performed by changing the temperature of the blood feeding the organ. The catheter system includes an inlet lumen and an outlet lumen structured and arranged to carry a working fluid having a temperature different from the adjacent blood. The outlet lumen is configured to induce turbulence in the adjacent fluid passing adjacent the outlet lumen. 1

L'invention concerne un système et une méthode de cathéter qui changent la température d'un fluide, comme du sang, par transfert thermique. Il est possible d'assurer le refroidissement ou le réchauffement sélectif d'un organe en modifiant la température du sang alimentant l'organe. Le système de cathéter comprend un lumen d'entrée et un lumen de sortie structurés et arrangés pour distribuer un fluide de travail ayant une température différente de celle du sang adjacent. Le lumen de sortie est configuré pour induire des turbulences dans le fluide adjacent qui traverse le lumen de sortie adjacent.

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