Safety vent structure for extracorporeal circuit
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United States of America Patent
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May 29, 2012
Grant Date -
Sep 1, 2011
app pub date -
May 5, 2011
filing date -
Sep 19, 2007
priority date (Note) -
In Force
status (Latency Note)
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Abstract
In general, this disclosure relates to extracorporeal fluid circuits. In some aspects, an air-release device for allowing air to be released from a liquid in extracorporeal circuitry includes an elongate chamber having a bottom region and a top region and a fluid entry port and fluid exit port at or near the bottom region. The air release device also includes a vent structure at or near the top region of the elongate chamber that includes a porous material capable of swelling when moistened such that the vent structure can inhibit liquid from escaping the air-release device during use.
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