Flowrate control for a blood flow system
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United States of America Patent
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-
Aug 7, 1984
Grant Date -
N/A
app pub date -
Sep 24, 1982
filing date -
Sep 24, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Blood flowrate in a hemodialysis system is controlled in accordance with the relative speeds of two periodically operated blood pumps. Information as to the speeds of the two pumps is converted to flowrate information, which is used to determine the mean flowrate of blood through the system. The mean blood flowrate may be altered by changing the speeds of the blood pumps in a control system which maintains a constant ratio of pump speeds.
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