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  2. Oxygen firebreak - Wikipedia

    en.wikipedia.org/wiki/Oxygen_firebreak

    A fire in an oxygen tube approaching an oxygen firebreak. An oxygen firebreak, also known as a fire stop valve or fire safety valve, is a thermal fuse designed to extinguish a fire in the delivery tube being used by a patient on oxygen therapy and stop the flow of oxygen if the tube is accidentally ignited.

  3. Portable oxygen concentrator - Wikipedia

    en.wikipedia.org/wiki/Portable_oxygen_concentrator

    Portable oxygen concentrator used with bottle humidifier. POCs operate on the same principle as a home concentrator, pressure swing adsorption. [6] The basic set up of a POC is a miniaturized air compressor, a cylinder filled containing the sieve, a pressure equalizing reservoir and valves and tubes.

  4. Asphyxiant gas - Wikipedia

    en.wikipedia.org/wiki/Asphyxiant_gas

    The specific guidelines for prevention of asphyxiation due to displacement of oxygen by asphyxiant gases is covered under CGA's pamphlet SB-2, Oxygen-Deficient Atmospheres. [15] Specific guidelines for use of gases other than air in back-up respirators is covered in pamphlet SB-28, Safety of Instrument Air Systems Backed Up by Gases Other Than Air.

  5. Pennsylvania grandma's body found in mine after falling in ...

    www.aol.com/news/pennsylvania-grandmas-body...

    Handout photo of a sinkhole where it is believed that Elizabeth Pollard, 64, fell into on Monday Dec. 2. Rescue crews continued digging, pumping oxygen in abandoned mine

  6. Hypoxic air technology for fire prevention - Wikipedia

    en.wikipedia.org/wiki/Hypoxic_air_technology_for...

    They are essential for ensuring the safety of people inside the protected space and allow for quick evacuation if necessary. Fire Detection: Some oxygen reduction systems are integrated with traditional fire detection systems (e.g., smoke detectors or heat sensors) for an additional layer of protection. Ventilation Control Systems:

  7. Oxygen concentrator - Wikipedia

    en.wikipedia.org/wiki/Oxygen_concentrator

    Medical oxygen concentrators are used in hospitals or at home to concentrate oxygen for patients. [8] PSA generators provide a cost-efficient source of oxygen. They are a safer, [9] less expensive, [10] and more convenient alternative to tanks of cryogenic oxygen or pressurised cylinders. They can be used in various industries, including ...

  8. Non-rebreather mask - Wikipedia

    en.wikipedia.org/wiki/Non-rebreather_mask

    A non-rebreather mask (NRB, non-rebreather, non-rebreather facemask, etc.) is a device used in medicine to assist in the delivery of oxygen therapy.A NRB requires that the patient can breathe unassisted, but unlike a low-flow nasal cannula, the NRB allows for the delivery of higher concentrations of oxygen.

  9. Self-contained breathing apparatus - Wikipedia

    en.wikipedia.org/wiki/Self-contained_breathing...

    Uses compressed oxygen. Uses an oxygen-generating solid. This involves a chemical reaction between potassium superoxide with exhaled water and carbon dioxide. A chlorate candle has to be struck to start the device. To reduce pressure buildup from use, a pressure-relief valve with saliva trap is included.