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This 1950s Heart-Lung Machine Revolutionized Cardiac Surgery

The invention of the heart-lung machine is one of the most significant contributions in the history of cardiac surgery. In 1954, John Kirklin of the Mayo Clinic created the Mayo-Gibbon heart-lung machine when he modified a design pioneered by John Gibbon. The machine is now in the collection of the Smithsonian National Museum of American History.  Read the full story.