Respirator vs. Ventilator

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A device designed to allow breathing when it would otherwise be hindered, as by a medical condition or the presence of poisonous vapors.

β€˜The house painters were each officially required to wear a respirator, but this was sometimes disregarded in the extreme heat.’;


A device that circulates fresh air and expels stale or noxious air.


A divice of gauze or wire, covering the mouth or nose, to prevent the inhalation of noxious substances, as dust or smoke. Being warmed by the breath, it tempers cold air passing through it, and may also be used for the inhalation of medicated vapors.


(medicine) A respirator.


a breathing device for administering long-term artificial respiration


A contrivance for effecting ventilation; especially, a contrivance or machine for drawing off or expelling foul or stagnant air from any place or apartment, or for introducing that which is fresh and pure.



a protective mask with a filter; protects the face and lungs against poisonous gases


a device (such as a fan) that introduces fresh air or expels foul air


A respirator is a device designed to protect the wearer from inhaling hazardous atmospheres, including fumes, vapours, gases and particulate matter such as dusts and airborne microorganisms. There are two main categories: the air-purifying respirator, in which respirable air is obtained by filtering a contaminated atmosphere, and the air-supplied respirator, in which an alternate supply of breathable air is delivered.


a device that facilitates breathing in cases of respiratory failure


A ventilator is a machine that provides mechanical ventilation by moving breathable air into and out of the lungs, to deliver breaths to a patient who is physically unable to breathe, or breathing insufficiently. Ventilators are computerized microprocessor-controlled machines, but patients can also be ventilated with a simple, hand-operated bag valve mask.

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