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  2. 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.

  3. Bag valve mask - Wikipedia

    en.wikipedia.org/wiki/Bag_valve_mask

    A rudimentary type of mechanical ventilator device that has the advantage of not needing electricity is a flow-restricted, oxygen-powered ventilation device (FROPVD). These are similar to manual resuscitators in that oxygen is pushed through a mask to force-inflate the patient's lungs, but unlike a manual resuscitator where the pressure used to ...

  4. Ventilator - Wikipedia

    en.wikipedia.org/wiki/Ventilator

    The history of mechanical ventilation begins with various versions of what was eventually called the iron lung, a form of noninvasive negative-pressure ventilator widely used during the polio epidemics of the twentieth century after the introduction of the "Drinker respirator" in 1928, improvements introduced by John Haven Emerson in 1931, [5 ...

  5. Artificial ventilation - Wikipedia

    en.wikipedia.org/wiki/Artificial_ventilation

    [2] [3] The use of artificial ventilation can be traced back to the seventeenth century. There are three ways of exchanging gases in the body: manual methods, mechanical ventilation, and neurostimulation. [4] Here are some key words used throughout the article. The process of forcing air into and out of the lungs is known as ventilation.

  6. Demand valve oxygen therapy - Wikipedia

    en.wikipedia.org/wiki/Demand_Valve_Oxygen_Therapy

    Demand Valve Oxygen Therapy (DVOT) is a way of delivering high flow oxygen therapy using a device that only delivers oxygen when the patient breathes in and shuts off when they breathe out. DVOT is commonly used to treat conditions such as cluster headache , which affects up to four in 1000 people (0.4%), [ 1 ] [ 2 ] [ 3 ] and is a recommended ...

  7. Venturi mask - Wikipedia

    en.wikipedia.org/wiki/Venturi_mask

    The total flow of gas (oxygen plus the entrained air) will be greater than the patient's peak inspiratory flow so the delivered F I O 2 is independent of their respiratory pattern. [ 5 ] A controlled F I O 2 is particularly important for patients whose ventilation is dependent on hypoxic drive , [ 5 ] as may be seen in patients with chronic ...