System and method for optimized apheresis draw and return
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United States of America Patent
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Apr 22, 2014
Grant Date -
Oct 15, 2009
app pub date -
Apr 14, 2008
filing date -
Apr 14, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
A blood processing device includes a venous-access device, a blood component separation device, a return line, a draw line, a first pressure sensor, a second pressure sensor, and a first pump. The first pressure sensor is located on the return line between the blood component separation device and the venous-access device, and determines a first pressure. The second pressure sensor is located on the draw line between the blood component separation device and the venous-access device, and determines a second pressure. The first pump is connected to at least one of the return line and the draw line and controls a flow rate within the connected line based on a subject access pressure determined based upon the first and second pressures.
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