Integrated blood pump and oxygenator system having extended blood flow path
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United States of America Patent
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Sep 24, 2002
Issued Date -
N/A
app pub date -
Oct 29, 1999
filing date -
Dec 30, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An integrated blood pump/oxygenator having a rotating hollow fiber bundle assembly that both oxygenates and pumps blood is provided that includes a plurality of partitions disposed within or about the fiber bundle assembly to lengthen the flow path of blood passing through the fiber bundle. Alternatively, or in addition, blood flow paths may be lengthened and oxygenation improved by providing internal recirculation paths within the pump/oxygenator, which also advantageously may be used to reduce blood trauma caused by stagnation nearing moving parts and heat build-up.
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