Fluid restriction mechanisms for drug delivery pumps
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United States of America Patent
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Apr 14, 2020
Grant Date -
Dec 17, 2015
app pub date -
Jan 24, 2014
filing date -
Jan 25, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
A replaceable fluid restriction mechanism includes: an aperture residing adjacent to a fluid pathway connection and configured to permit flow of a drug fluid through the aperture when the fluid pathway connection is open; an entry point of a fluid channel configured such that the flow of drug fluid can travel through aperture to the entry point and through the fluid channel to an exit point; and an outlet aperture of a port through which the flow of drug fluid may travel after exiting the exit point, wherein a fluid conduit is connected to the fluid restriction mechanism at the outlet aperture. A configurable fluid restriction mechanism includes a plurality of fluid channels, selectable to align with the entry point and an exit point of the fluid restriction mechanism.
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