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2. Oxygen breathing apparatus - Wikipedia

   en.wikipedia.org/wiki/Oxygen_Breathing_Apparatus

   Its oxygen is generated by chemicals contained in the green canister, which is inserted at the base of the breathing device. [1] The scrubber canister uses potassium superoxide as both a carbon dioxide absorbent and as an oxygen source. A sodium chlorate oxygen candle in the base of the unit generates oxygen on start-up as the canister has to ...

3. Breathing circuit - Wikipedia

   en.wikipedia.org/wiki/Breathing_circuit

   The breathing circuit may be open, closed, or semi-closed, depending on whether breathing gas is recycled. A closed or semi-closed circuit will include components which remove carbon dioxide from the exhaled gas and add oxygen before it is delivered for inhalation, so that the mixture remains stable and suitable for supporting life.

4. Oxygen therapy - Wikipedia

   en.wikipedia.org/wiki/Oxygen_therapy

   Many people only require slight increases in inhaled oxygen, rather than pure or near-pure oxygen. [67] These requirements can be met through a number of devices dependent on situation, flow requirements, and personal preference. A nasal cannula (NC) is a thin tube with two small nozzles inserted into a person's nostrils. It can provide oxygen ...

5. Glossary of breathing apparatus terminology - Wikipedia

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

   Heated humidified high-flow therapy, also known as high flow nasal cannula (HFNC) or high flow therapy (HFT), is a type of respiratory support that delivers a flow of medical breathing gas to a patient of up to 60 L/min and 100% oxygen through a large bore nasal cannula. originally used for neonates, it is also effective in some adults to treat ...

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

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

   To use the device, manually trigger it until chest rise is noted and then release. [2] Wait five seconds before repeating. The device must have a pressure relief valve that opens at 60cm of water pressure to avoid over ventilation and trauma to the lungs. The (FROPVD) is contraindicated in adult patients with potential chest trauma and all ...

7. Heated humidified high-flow therapy - Wikipedia

   en.wikipedia.org/wiki/Heated_humidified_high...

   Heated humidified high-flow therapy, often simply called high flow therapy, is a type of respiratory support that delivers a flow of medical gas to a patient of up to 60 liters per minute and 100% oxygen through a large bore or high flow nasal cannula. Primarily studied in neonates, it has also been found effective in some adults to treat ...