Integrated low priming volume centrifugal pump and membrane oxygenator
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United States of America Patent
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Nov 23, 1993
Grant Date -
N/A
app pub date -
Sep 25, 1991
filing date -
Sep 25, 1991
priority date (Note) -
Expired
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Abstract
A low priming volume integrated centrifugal pump and membrane oxygenator comprising a housing containing a mass transfer bed comprising gas permeable hollow membrane fibers placed circumferentially in a ring around an impeller. The mass transfer bed is formed by a multiple wrap of a fiber ribbon comprising at least two layers of fibers bonded in precise orientation with fibers in alternate layers are positioned in line with the opening between fibers in the layers above and below. Adhesion means ensure precise orientation of the fibers. Priming volume is further reduced by a small impeller flow channel volume.
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