CARTRIDGE FOR STORING A NO/NITROGEN MIXTURE, AND ASSOCIATED GAS DELIVERY INSTALLATION
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United States of America Patent
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Issued Date -
Jul 27, 2023
app pub date -
Jan 4, 2023
filing date -
Jan 24, 2022
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Abstract
Disclosed is a cartridge for storing pressurized gas, including a main body with an internal volume for storing a gaseous mixture NO/N2, and a distribution valve for controlling the output of the gas. The internal volume of the main body is less than 1000 ml. The concentration of NO in the gaseous mixture NO/N2 is between 15000 and 25000 ppmv. The gas pressure in the internal volume is below 15 bar, measured at 23° C. Installation for delivering gas to a patient, including such a gas cartridge, a NO supply device fed by the gas cartridge, and a medical ventilator feeding a patient circuit which has an inhalation branch fed by the NO supply device. Use for treating patients suffering from pulmonary hypertension or hypoxia.
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