Miniature pump device and method
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United States of America Patent
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Apr 9, 2013
Grant Date -
Oct 23, 2008
app pub date -
Apr 11, 2008
filing date -
Apr 12, 2007
priority date (Note) -
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Abstract
A miniature pump device, with a fluid reservoir that can contain an intravenous drug, hydraulic fluid, or the like. The miniature pump has a motor disposed adjacent the fluid reservoir, and a piston disposed within the fluid reservoir. A power transfer linkage transfers power from the motor to the piston in the fluid reservoir, and a stationary flexible seal is coupled between the fluid reservoir and the power transfer linkage to seal a portion of the power transfer linkage within the fluid reservoir.
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