An iron lung is a sort of terrible pressure ventilator (NPV), a mechanical respirator which encloses maximum of someone’s frame, and varies the air strain inside the enclosed area, to stimulate respiratory. It assists breathing when muscle manipulate is lost, or the paintings of respiration exceeds the character’s capacity. Need for this treatment may additionally result from illnesses along with polio and botulism and certain poisons (for instance, barbiturates, tubocurarine).
The use of iron lungs is largely obsolete in present day medicinal drug, as extra present day respiration treatments had been evolved, and because of the eradication of polio in most of the world. However, in 2020, the COVID-19 pandemic revived some hobby within the tool as a cheap, without problems-producible replacement for high-quality-strain ventilators, which have been feared to be outnumbered by patients potentially desiring transient artificially assisted breathing.