Rapid growth of geriatric population and high healthcare expenditure is expected to drive United States oxygen concentrators market for the forecast period. According to TechSci Research report, “United States Oxygen Concentrators Market By Type (Portable v/s Stationary) By Technology (Pulse Flow, Continuous Flow, Continuous/Pulse) By Flow-rate (0-5l/min, 5-10l/min, Above 10l/min) By Source (Import v/s Domestic) By Application