Fluid and air handling in blood and dialysis circuits
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United States of America Patent
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May 21, 2013
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N/A
app pub date -
Sep 24, 2008
filing date -
Oct 1, 2007
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Abstract
An air purging method includes: (a) detecting a low fluid level in a blood circuit indicating a high amount of air in the blood circuit; (b) stopping a blood pump; (c) closing a venous patient line; (d) opening a blood circuit air vent valve and a drain valve; and (e) running the blood pump to meter air through the air vent valve and the drain valve to a drain.
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