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2. Portable oxygen concentrator - Wikipedia

   en.wikipedia.org/wiki/Portable_oxygen_concentrator

   Medical oxygen concentrators were developed in the late 1970s. Early manufacturers included Union Carbide and Bendix Corporation. [1] They were initially conceived of as a method of providing a continuous source of home oxygen without the use of heavy tanks and frequent deliveries. [2] Beginning in the 2000s, manufacturers developed portable ...

3. Oxygen concentrator - Wikipedia

   en.wikipedia.org/wiki/Oxygen_concentrator

   An oxygen concentrator takes in air and removes nitrogen from it, leaving an oxygen-enriched gas for use by people requiring medical oxygen due to low oxygen levels in their blood. [4] Oxygen concentrators provide an economical source of oxygen in industrial processes, where they are also known as oxygen gas generators or oxygen generation plants .

4. Heated humidified high-flow therapy - Wikipedia

   en.wikipedia.org/wiki/Heated_humidified_high...

   Heated humidified high-flow therapy, often simply called high flow therapy, is a type of respiratory support that delivers a flow of medical gas to a patient of up to 60 liters per minute and 100% oxygen through a large bore or high flow nasal cannula. Primarily studied in neonates, it has also been found effective in some adults to treat ...

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6. Oxygen therapy - Wikipedia

   en.wikipedia.org/wiki/Oxygen_therapy

   Many people only require slight increases in inhaled oxygen, rather than pure or near-pure oxygen. [67] These requirements can be met through a number of devices dependent on situation, flow requirements, and personal preference. A nasal cannula (NC) is a thin tube with two small nozzles inserted into a person's nostrils. It can provide oxygen ...

7. High altitude breathing apparatus - Wikipedia

   en.wikipedia.org/wiki/High_altitude_breathing...

   An oxygen concentrator is a device that concentrates the oxygen from a gas supply (typically ambient air) by selectively removing nitrogen to supply an oxygen-enriched product gas stream. They are also used industrially and as medical devices for oxygen therapy . [ 15 ]