Children in an iron lung before the advent of the polio vaccination, 1950

An iron lung or as it is called officially a negative pressure ventilator is a form of medical ventilator that enables a person to breathe when normal muscle control has been lost or the work of breathing exceeds the person’s ability. It creates lower pressure around the thorax and this expands the rib cage and … Continue reading Children in an iron lung before the advent of the polio vaccination, 1950