Fixed or portable concentrator

An oxygen concentrator is a fixed or portable electrical device that separates oxygen from nitrogen in ambient air, providing purified oxygen to people suffering from lung disease [1].


[1] https://www.msdmanuals.com/fr/accueil/troubles-pulmonaires-et-des-voies-a%C3%A9riennes/r%C3%A9%C3%A9ducation-pour-les-troubles-des-poumons-et-des-voies-respiratoires/oxyg%C3%A9noth%C3%A9rapie