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US 2702035

How the First Heart-Lung Machine Oxygenated Blood

A 1955 invention that allowed surgeons to oxygenate a patient's blood outside the body, enabling the first successful open-heart surgeries.

Statusexpired

Granted1955

Expires1973

Claims2

Forward citations4

Prior art1

AssigneeJEFFERSON MEDICAL COLLEGE

InventorsJr John H Gibbon, Gustav V A Malmros +1

Patent B

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