John Emerson Biography

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John Haven Emerson was born February 5, 1906 in New York City. He was the son of Dr. Haven Emerson (A highly respected New York City Commissioner of health for many years). John Emerson was a self-taught American inventor of biomedical devices. Emerson specialized in respiratory equipment. (www.poliopalace.org,n.d.) In 1931, John Emerson introduced and improved upon a less expensive iron lung. The Emerson iron lung had a bed that could slide in and out of the cylinder as needed, and the tank had portal windows, which allowed attendants to reach in and adjust limbs, sheets, or hot packs. The patient lies within the chamber, which when sealed provides an effectively oscillating atmospheric pressure. The Emerson lung was lighter, quieter,

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