A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 16/22 (2006.01) A61M 16/06 (2006.01) A62B 19/00 (2006.01)
Patent
CA 2173458
A method and apparatus are provided for use in the delivery of an inhalation anesthetic to a patient while employing a closed loop or rebreather gas recirculation system. The method and apparatus control the system temperature to minimize heat buildup, including heat buildup resulting from an exothermic reaction between a patient's exhaled breath and a scrubbing substance that removes a selected constituent from the patient's exhaled breath. The apparatus includes an enclosure containing a scrubbing substance. The enclosure defines an influent opening for admitting the exhaled breath along a first path into the scrubbing substance and defines an effluent opening through which gases can be discharged from the enclosure. The apparatus also includes a second path adjacent the first path between inlet and outlet openings whereby a coolant fluid can flow along the second path to remove heat from the interior of the enclosure.
Procédé d'administration d'un anesthésique à un patient et appareil en circuit fermé ou à recirculation du gaz inhalé associé. Le procédé et l'appareil contrôlent la température du système pour l'empêcher de croître, notamment du fait de la réaction exothermique entre l'air expiré par le patient et un absorbeur qui en extrait un constituant donné. L'appareil comporte une enceinte contenant l'absorbeur et présentant un orifice amenant l'air expiré dansl'absorbeur selon un premier cheminement et un orifice d'évacuation de l'air de l'enceinte. L'appareil comporte également un second cheminement contigu au premier et reliant les deux orifices précités, où un fluide de refroidissement circule pour refroidir l'enceinte.
Abbott Laboratories
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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