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Title:
FLUID CIRCUIT PRIMING METHODS, DEVICES, AND SYSTEMS
Document Type and Number:
WIPO Patent Application WO/2014/124180
Kind Code:
A3
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 run without intervention.

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Inventors:
SCHNELL WILLIAM J (US)
BRUGGER JAMES M (US)
Application Number:
PCT/US2014/015172
Publication Date:
October 02, 2014
Filing Date:
February 06, 2014
Export Citation:
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Assignee:
NXSTAGE MEDICAL INC (US)
International Classes:
A61M1/36
Foreign References:
US20030010717A12003-01-16
US20060091056A12006-05-04
US20090076433A12009-03-19
US20030010719A12003-01-16
US4620965A1986-11-04
Other References:
See also references of EP 2953662A4
Attorney, Agent or Firm:
CATAN, Mark, A. et al. (PC1751 Pinnacle Drive, Suite 50, Tysons Corner VA, US)
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