ICU Ventilator (or simplyventilatorin context) is amechanical ventilator, a machine designed to move breathable air into and out of the lungs, to provide breathing for a patient who is physically unable to breathe, or breathing insufficiently.

While modern ventilators are computerized machines, patients can be ventilated with a simple, hand-operatedbag valve mask.

呼吸机s are chiefly used inintensive care medicine,home care, andemergency medicine(as standalone units) and inanesthesia(as a component of ananesthesia machine).

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Medical ventilators are sometimes colloquially called “respirators“, a term stemming from commonly used devices in the 1950s (particularly the “Bird Respirator“). However, in modern hospital and medical terminology, these machines are never referred to as respirators, and use of “respirator” in this context is now a deprecated anachronism signaling technical unfamiliarity. In the present-day medical field, the word “respirator” refers to a protective face mask