FLUID DELIVERY DEVICE WITH FLOW RATE CONTROL
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United States of America Patent
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Issued Date -
Feb 9, 2012
app pub date -
Oct 18, 2011
filing date -
Apr 18, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A device for delivering a fluid to a target site is disclosed in one embodiment of the invention as including a pump, a flow modulator, a flow meter, and a controller. The pump may generate a fluid stream characterized by a flow rate. The flow modulator may smooth out irregularities in the flow rate, thereby generating a second fluid stream having a second flow rate that is substantially more uniform than the first flow rate. The flow meter may measure the flow rate of the second fluid stream. The controller may then compare the flow rate of the second fluid stream to a target flow rate, and adjust the pump speed to substantially align the second flow rate with the target flow rate.
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