01 n. A steel chamber, usually cylindrical, enclosing the entire body of a person except for the head, used to assist respiration for people suff…
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1.
A steel chamber, usually cylindrical, enclosing the entire body of a person except for the head, used to assist respiration for people suffering from disease, especially poliomyelitis. A reciprocating piston at the end causes alternating high and low pressure inside, which forces or assists the breathing of the patient within.