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2. Oxygen concentrator - Wikipedia

   en.wikipedia.org/wiki/Oxygen_concentrator

   An oxygen concentrator is a device that concentrates the oxygen from a gas supply ... Home medical oxygen concentrators were invented in the early 1970s, with the ...

3. 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.

4. Medical gas supply - Wikipedia

   en.wikipedia.org/wiki/Medical_gas_supply

   Medical oxygen storage tanks at the Royal Women's Hospital, Melbourne, Australia. Oxygen may be used for patients requiring supplemental oxygen via mask. Usually accomplished by a large storage system of liquid oxygen at the hospital which is evaporated into a concentrated oxygen supply, pressures are usually around 345–380 kPa (50.0–55.1 psi), [1] [2] or in the UK and Europe, 4–5 bar ...

5. What Happened to Apollo 13? Inside the Near-Fatal 1970 NASA ...

   www.aol.com/happened-apollo-13-inside-near...

   Inside the Near-Fatal 1970 NASA Mission — And Exactly What Went Wrong. Maddie Garfinkle. September 5, 2024 at 9:00 AM. ... 1970, an oxygen tank in Apollo 13’s service module exploded. The ...

6. 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 ]

7. Breathing apparatus - Wikipedia

   en.wikipedia.org/wiki/Breathing_apparatus

   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 . [ 58 ]