Automatic priming of blood sets
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United States of America Patent
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Sep 14, 1999
Grant Date -
N/A
app pub date -
Oct 21, 1997
filing date -
Oct 21, 1997
priority date (Note) -
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status (Latency Note)
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Abstract
A blood processing system such as a dialysis system may be primed by passing priming solution in a first direction of flow through at least one of the sets, to cause the priming solution to enter an in-line chamber carried by the one set in a flow direction that is retrograde to the normal direction of blood flow through the chamber. Preferably, the in-line chamber carries a filter. Simultaneously, one removes air from the one set through a port. In another, preferably simultaneous step of the process, one passes priming solution in the second, reverse direction of flow to the first direction, through the blood processing unit and connected sets for continuing to remove air from the system through the port, to complete priming of the system.
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