Method and apparatus for ultrafiltration measurement in a two pump dialysis system
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United States of America Patent
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Jun 24, 1986
Issued Date -
N/A
app pub date -
Jan 27, 1984
filing date -
Sep 24, 1982
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A blood flow system for processing blood has two phases of operation, an arterial phase and a venous phase. During the arterial phase, the system is filled with blood through operation of an arterial blood pump. When a predetermined blood pressure level in the system has been attained, the arterial blood pump is inactivated and a venous blood pump removes blood from the system for a given number of pump turns. By accurately monitoring both arterial and venous pumps operating cycles, ultrafiltration volume and rate may be determined.
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