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2. 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.

3. Portable oxygen concentrator - Wikipedia

   en.wikipedia.org/wiki/Portable_oxygen_concentrator

   A lightweight portable oxygen concentrator: Inogen One G3 (2,2 kg) Sequal Equinox, transportable concentrator with a high oxygen flow rate A portable oxygen concentrator (POC) is a device used to provide oxygen therapy to people that require greater oxygen concentrations than the levels of ambient air.

4. High altitude breathing apparatus - Wikipedia

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

   The Summit Oxygen system marketed in 2023 uses a constant flow regulator with steps of 0.5 litres per minute up to a maximum of 4 litres per minute. An innovation is that the flow rate selector is on the supply hose where it can be reached easily and therefor is likely to be adjusted more frequently to suit current exertion, thereby making more ...

5. Glossary of breathing apparatus terminology - Wikipedia

   en.wikipedia.org/wiki/Glossary_of_breathing...

   Supplementary oxygen delivery equipment weighing less than 10 pounds, intended for daily use, and designed to be carried by the patient The supply should last from four to six hours at a flow rate of 2 litres per minute. Compare with portable oxygen equipment. [3] anaesthetic machine anesthesia machine

6. Flow-restricted, oxygen-powered ventilation device - Wikipedia

   en.wikipedia.org/wiki/Flow-restricted,_oxygen...

   The main components of flow-restricted, oxygen-powered ventilation devices include An inspiratory pressure safety release valve. A trigger or level positioned to allow both hands to remain on the mask to provide an airtight seal while supporting and tilting the patients head. A peak flow rate of 100% oxygen at up to 40 L/min.

7. Work of breathing - Wikipedia

   en.wikipedia.org/wiki/Work_of_breathing

   The normal relaxed state of the lung and chest is partially empty. Further exhalation requires muscular work. Inhalation is an active process requiring work. [4] Some of this work is to overcome frictional resistance to flow, and part is used to deform elastic tissues, and is stored as potential energy, which is recovered during the passive process of exhalation, Tidal breathing is breathing ...