Oxygen concentrator

A - Human Necessities – 61 – M

Patent

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Details

A61M 16/10 (2006.01) B01D 53/04 (2006.01) C01B 13/02 (2006.01) G01N 27/409 (2006.01) G01N 29/02 (2006.01)

Patent

CA 2704534

The present invention provides an apparatus which stably provides highly concentrated oxygen to a patient, regardless of an environmental temperature and/or a highly concentrated oxygen gas flow rate. The present invention is an oxygen concentrator characterized in that an oxygen concentration sensor detecting a concentration of the oxygen gas produced by the oxygen concentrator, a temperature sensor measuring an environmental temperature and/or a flow rate sensor are provided, a control increasing/decreasing a supply airflow volume of the compressed air supply device based on a detected oxygen concentration detected value to maintain an oxygen concentration at a predetermined concentration is performed, and a control device is switched based on a value measured by the temperature sensor and/or flow rate sensor of the apparatus.

L'invention concerne un concentrateur d'oxygène pour alimenter un patient en oxygène à haute concentration de façon stable quels que soient la température environnementale et/ou le débit de l'oxygène gazeux à haute concentration. Le concentrateur d'oxygène comprend un capteur de concentration d'oxygène pour détecter la concentration d'oxygène gazeux produit par le concentrateur d'oxygène, une sonde thermique pour mesurer la température environnementale et un capteur de débit. Le concentrateur d'oxygène met en uvre une régulation permettant de maintenir la concentration d'oxygène à une valeur prédéterminée en augmentant ou en diminuant la quantité d'air apportée par un dispositif d'alimentation en air sous pression d'après la valeur détectée de la concentration d'oxygène et fait varier un dispositif de commande au moyen des mesures de la sonde thermique et/ou du capteur de débit du concentrateur d'oxygène.

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