Fluid circuit priming methods, devices, and systems
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United States of America Patent
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Jul 17, 2018
Grant Date -
Dec 24, 2015
app pub date -
Feb 6, 2014
filing date -
Feb 6, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
According to embodiments, priming systems, methods, and devices are disclosed which allow medical treatment devices which pump fluid to be primed with minimal operator intervention and a high level of convenience. A blood circuit with a filter fitted with one or more air vents on a non-blood compartment is attached to a treatment system and priming fluid pumped slowly through the blood circuit in a loop. The source of fluid may be elevated, or the pumping may generate pressure, such that priming fluid is forced through the membrane of the filter and out the air vent(s). In embodiments, the vents are hydrophobic which prevent fluid from being ejected, so the priming system can nm without intervention.
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