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A practical mechanical respirator, 1929: the "iron lung"
1Department of Surgery, State University of New York Health Science Center, Syracuse.
The Annals of Thoracic Surgery
|September 1, 1990
Summary
The iron lung, a mechanical respirator developed in 1929, provided long-term respiratory support for polio patients. Despite its size, it offered fewer complications than modern ventilators.
Area of Science:
- Biomedical Engineering
- Medical History
- Respiratory Medicine
Background:
- Before 1929, mechanical respirators were unsatisfactory for patient care.
- The polio epidemic necessitated innovative respiratory support solutions.
Observation:
- Philip Drinker and Louis Shaw designed a novel mechanical respirator in 1929.
- This device, the "iron lung," enclosed the patient's body in a tank, using pressure changes to facilitate breathing.
Findings:
- The iron lung successfully supported thousands of patients with respiratory paralysis during the polio era.
- It provided long-term mechanical ventilation with fewer complications compared to contemporary devices.
Implications:
- The iron lung represented a significant advancement in respiratory support technology.
- Despite its obsolescence, the iron lung's long-term efficacy and lower complication rate warrant consideration in historical medical device analysis.