Integrated extracorporeal blood oxygenator, pump and heat exchanger system
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United States of America Patent
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Aug 6, 2002
Issued Date -
N/A
app pub date -
Oct 29, 1999
filing date -
Dec 30, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An integrated blood pump, oxygenator and heat exchanger is provided having a rotating hollow fiber bundle assembly. A plurality of vanes arranged along a central shaft of the device increase pressure near the center of the fiber bundle to develop sufficient pressure head to pump the blood through the heat exchanger. In alternative embodiments, the heat exchanger comprises a pleated metal wall, a bundle of non-permeable hollow fibers, or a coiled tub disposed between the rotating hollow fiber bundle and an interior wall of the housing.
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