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In 1953, a heart-lung machine designed by Dr. John Gibbon was used in a successful open-heart surgery, he showed that an artificial device can temporarily perform the functions of the heart.
A list shows items. A timeline shows sequence.
Use Timetoast to make dates, milestones, and turning points easier to understand in a clear visual format. Timetoast is a timeline maker for work, school, research, and stories.