Electrokinetic pump designs and drug delivery systems
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United States of America Patent
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Aug 5, 2014
Grant Date -
Jun 28, 2007
app pub date -
Nov 22, 2006
filing date -
Nov 23, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention provides a fluid delivery system having a first chamber, a second chamber and a third chamber; a flow-through pump element separating the first chamber from the second chamber; a moveable pump element separating the second chamber from the third chamber; a first outlet in communication with the third chamber; and second outlet in communication with the second chamber. Additionally, the present invention provides methods of operating a fluid delivery system having a first chamber, a second chamber and a delivery chamber by reducing the volume of the second chamber while increasing the volume of the delivery chamber without operation of a flow-through pump element that separates the second chamber from the first chamber.
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