Infusion Pumps With A Position Detector
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United States of America Patent
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Issued Date -
Apr 26, 2007
app pub date -
Sep 18, 2006
filing date -
Sep 19, 2005
priority date (Note) -
Abandoned
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Abstract
An infusion pump (e.g., an electrokinetic infusion pump) includes an infusion pump module and an engine that can drive a moveable piston non-mechanically. In addition, the infusion pump module includes a position detector configured for sensing a dispensing state of the infusion pump module. Such information can be utilized in a control scheme to control fluid displacement within and out of the pump. Descriptions of different types of position detectors, such as magnetic sensors (e.g., an anisotropic magnetic resistive sensor), and their implementation in detecting infusion pump fluid displacement are described.
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