Methodology: We studied the FiO2 SaO2 and RR In 20 patients breathing spontaneously, without main diagnostic caused by pulmonary disease when submited to oxygen therapy in facial tent with flows or 0, 1, 3, 5, 7
<div p-id="p-0001">Embodiments provide an oxygen supply device comprising an oxygen production unit, a control unit, an air blower and a gas conditioning unit. The oxygen production unit comprises mul