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2. 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. It is similar to a home oxygen ...

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. Oxygen therapy - Wikipedia

   en.wikipedia.org/wiki/Oxygen_therapy

   Instant usage – The use of an electrically powered oxygen concentrator [63] or a chemical reaction based unit [64] can create sufficient oxygen for immediate personal use. These units (especially the electrically powered versions) are widely used for home oxygen therapy as portable personal oxygen.

5. High altitude breathing apparatus - Wikipedia

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

   High-altitude climbing usually requires the use of portable oxygen apparatus when climbing Mount Everest or the other eight-thousanders, though some mountaineers—and alpine style climbers in particular—have deliberately ascended Everest without oxygen (e.g. starting with Reinhold Messner in 1978).

6. Ventec Life Systems - Wikipedia

   en.wikipedia.org/wiki/Ventec_Life_Systems

   Ventec developed the VOCSN unified respiratory system, which is a portable personal medical device that includes a ventilator, 6 L/min portable oxygen concentrator, cough assist, suction, and nebulization therapies for the patient. [7] The name of the device is an acronym derived from the names of these five functions. [8]

7. Respirator - Wikipedia

   en.wikipedia.org/wiki/Respirator

   A self-contained self-rescue device, SCSR, self-contained self-rescuer, or air pack is a type of closed-circuit SCBA [84] with a portable oxygen source for providing breathable air when the surrounding atmosphere lacks oxygen or is contaminated with toxic gases, e.g. carbon monoxide.