Rotating Screen Oxygenator

Several types of heart-lung machines and oxygenators were developed in the 1950’s and 1960’s. The Smithsonian’s collection includes roller pumps, membrane, and bubble oxygenators. This rotating screen oxygenator was developed by Clarence Dennis (1909-2003) and colleagues in 1947. Blood entered the oxygenator through a low speed jet in the center of the revolving screen disc and a film of blood is laid on the disc by centrifugation and gravity. The rotating screen oxygenator was efficient and relatively easy to clean.
Currently not on view
Object Name
heart-lung machine
date made
Clarence Dennis
Physical Description
metal (overall material)
plexiglass (overall material)
overall: 95 cm x 99 cm x 61.6 cm; 37 13/32 in x 38 31/32 in x 24 1/4 in
place made
United States: Minnesota, Minneapolis
ID Number
accession number
catalog number
Artificial Organs
Artificial Hearts
Health & Medicine
See more items in
Medicine and Science: Medicine
Artificial Hearts
Data Source
National Museum of American History, Kenneth E. Behring Center
Credit Line
Edwards Lifesciences, LLC
Related Publication
Shummacker, Harris B., Jr.. The Evolution of Cardiac Surgery

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