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  2. Rebreather - Wikipedia

    en.wikipedia.org/wiki/Rebreather

    The Savox was an oxygen rebreather with a use duration of 45 minutes. It had no hard casing and was worn in front of the body. [16] Siebe Gorman Salvus – Industrial rescue and shallow water oxygen rebreather; Siebe Gorman Proto – Industrial rescue rebreather set; IDA71 – Russian military rebreather for underwater and high altitude use ...

  3. Resuscitator - Wikipedia

    en.wikipedia.org/wiki/Resuscitator

    A resuscitator is a device using positive pressure to inflate the lungs of an unconscious person who is not breathing, in order to keep them oxygenated and alive. [citation needed] There are three basic types: a manual version (also known as a bag valve mask) consisting of a mask and a large hand-squeezed plastic bulb using ambient air, or with supplemental oxygen from a high-pressure tank.

  4. Glossary of breathing apparatus terminology - Wikipedia

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

    non-rebreather mask A non-rebreather mask (NRB) is a device used to deliver supplemental oxygen to a spontaneously breathing person. An NRB allows the delivery of relatively high concentrations of oxygen while using a constant flow rate, with relatively low waste, by accumulating the oxygen flow during exhalation in a soft bag, to be inhaled at ...

  5. Escape breathing apparatus - Wikipedia

    en.wikipedia.org/wiki/Escape_breathing_apparatus

    Oxygen rebreathers can also use less reactive scrubber absorbent which only removes carbon dioxide, but must then have an alternative supply of oxygen, usually compressed gas from a high pressure cylinder. Submarine escape sets had a mouthpiece, so the user had to also wear a noseclip to prevent breathing water through the nose. The endurance ...

  6. Underwater breathing apparatus - Wikipedia

    en.wikipedia.org/wiki/Underwater_breathing_apparatus

    Underwater breathing apparatus can be classified as open circuit, semi-closed circuit, (including gas extenders) or closed circuit (including reclaim systems), based on whether any of the exhaled gas is recycled, and as self-contained or remotely supplied (usually surface-supplied, but also possibly from a lock-out submersible or an underwater habitat), depending on where the source of the ...

  7. Oxygen mask - Wikipedia

    en.wikipedia.org/wiki/Oxygen_mask

    An oxygen mask is a mask that provides a method to transfer breathing oxygen gas from a storage tank to the lungs. Oxygen masks may cover only the nose and mouth (oral nasal mask) or the entire face (full-face mask). They may be made of plastic, silicone, or rubber. In certain circumstances, oxygen may be delivered via a nasal cannula instead ...

  8. SEFA - Wikipedia

    en.wikipedia.org/wiki/SEFA

    Its oxygen flow can be set to 5 or 10 liters/minute. Its intended absorbent is a special make called SefaSorb, which is mostly calcium hydroxide . As usual, the absorbent makes the breathing gas in circuit hot as it absorbs carbon dioxide .

  9. Diving rebreather - Wikipedia

    en.wikipedia.org/wiki/Diving_rebreather

    A Diving rebreather is an underwater breathing apparatus that absorbs the carbon dioxide of a diver's exhaled breath to permit the rebreathing (recycling) of the substantially unused oxygen content, and unused inert content when present, of each breath.

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