ventilator

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A ventilator is a device used to aid in breathing for people who are unable to do so independently. It can provide oxygen and remove carbon dioxide from the body, helping to maintain normal blood gas levels. Ventilators are commonly used in hospitals for patients who have respiratory failure or those undergoing surgery. They come in various types, including invasive and non-invasive models, and can be powered by electricity, battery, or even hand crank.