BLOOD TREATMENT DIALYZER/FILTER DESIGN TO TRAP ENTRAINED AIR IN A FLUID CIRCUIT
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United States of America Patent
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Issued Date -
Apr 22, 2010
app pub date -
Sep 16, 2005
filing date -
Oct 28, 2004
priority date (Note) -
Abandoned
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Abstract
A modification in the configuration of the blood microtubular filter/dializer used in many kinds of renal replacement therapy systems can provide highly a effective mechanism for removing air from the blood circuit of such systems. In embodiments, for example, the invention takes advantage of the slow flow rate that usually occurs where blood exits the microtubules into a header area of the filter to provide a settling area and, preferably, a air relief mechanism.
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