Blood conduit and pulsatile cardiopulmonary bypass pump system
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United States of America Patent
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-
Aug 1, 1995
Issued Date -
N/A
app pub date -
Feb 17, 1994
filing date -
Mar 3, 1992
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A valveless blood conduit for pulsatile cardiopulmonary bypass pump constructed and arranged to provide a surge chamber, a pumping chamber and a reservoir portion, externally valved for use in a pre-load responsive pulsatile pump. The blood conduit precludes the necessity of employing a large volume venous reservoir in a cardiopulmonary bypass system employing a pre-load responsive pump, thus reducing a patient's blood to exposure to large air-blood interfaces and large non-endothelial surface areas.
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