Oxygen concentrators provide supplementary oxygen for patients with chronic obstructive pulmonary disease (COPD) and, in higher concentrations, for severe chronic hypoxemia and pulmonary edema. ... Oxygen concentrators are typically used as stationary sources to provide...
Oxygen concentrators take in air from the room and filter out nitrogen . The process provides the higher amounts of oxygen needed for oxygen therapy. Concentrators may be large and stationary or small and portable....