Flow indicators for ambulatory infusion
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Jan 6, 2004
Grant Date -
N/A
app pub date -
Jan 6, 2000
filing date -
Apr 17, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An intravenous infusion flow indicator including a housing defining an infusion liquid inlet and an infusion liquid outlet, a hydrophilic membrane disposed in the housing and being operative, when wetted, for permitting liquid flow and preventing air flow therethrough to the liquid outlet, wherein the liquid flow may be observed as droplets, the housing defining at least one volume, whose size and configuration are selected such that irrespective of the orientation of the housing following priming, infusion liquid within the housing is always in touching relationship with the membrane, thereby permitting continued infusion liquid flow therethrough.
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