Systems for generating nitric oxide

A - Human Necessities – 61 – M

Patent

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Details

A61M 16/12 (2006.01) A61K 33/00 (2006.01)

Patent

CA 2734790

Various systems generating nitric oxide are disclosed herein. According to one embodiment, the system includes a first gas source providing nitrogen dioxide mixed in air or oxygen, and a second gas source supplying compressed air and/or compressed oxygen. The system also includes a ventilator coupled to the first and second gas sources, wherein the ventilator is resistant to nitrogen dioxide. The ventilator regulates gas flow and allows for the adjustment of nitrogen dioxide concentration in the gas flow. The system further includes one or more conversion devices operably coupled to the ventilator where the conversion devices convert nitrogen dioxide into nitric oxide. A patient interface delivers nitric oxide to the patient and is operably coupled to the conversion devices. The system allows oxygen and nitric oxide levels to be varied independently.

La présente invention concerne divers systèmes de production doxyde nitrique. Selon un mode de réalisation, le système comprend une première source gazeuse fournissant du dioxyde dazote mélangé à de lair ou de loxygène, et une seconde source gazeuse fournissant de lair comprimé et/ou de loxygène comprimé. Le système comprend également un ventilateur couplé à la première et à la seconde source gazeuse, le ventilateur étant résistant au dioxyde dazote. Le ventilateur régule lécoulement gazeux et permet lajustement de la concentration du dioxyde dazote dans lécoulement gazeux. Le système comprend en outre un dispositif de conversion ou plus fonctionnellement couplé au ventilateur, les dispositifs de conversion convertissant le dioxyde dazote en oxyde nitrique. Une interface patient délivre de loxyde nitrique au patient et est fonctionnellement couplée avec les dispositifs de conversion. Le système permet de faire varier les concentrations doxygène et doxyde nitrique de façon indépendante.

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