Dialysis systems having air separation chambers with internal structures to enhance air removal
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United States of America Patent
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Feb 22, 2011
Grant Date -
Apr 2, 2009
app pub date -
Oct 1, 2007
filing date -
Oct 1, 2007
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A dialysis fluid cassette includes a rigid portion defining at least one valve chamber, the rigid portion further defining an air separation chamber, the air separation chamber when in an operating position including a first sidewall and a second sidewall, a first fluid opening, a second fluid opening, and a separation wall extending from the first sidewall to the second sidewall, the separation wall having a free edge residing within the air separation chamber, the separation wall forcing the dialysis fluid to flow from one of the fluid openings around the free edge of the separation wall to the other of the openings.
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