Implantable pump system
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United States of America Patent
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Oct 23, 2012
Grant Date -
Dec 17, 2009
app pub date -
Jun 9, 2009
filing date -
Jun 11, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
A remotely adjustable gastric band system is provided. The system includes a gastric band, an implantable fluid reservoir, and a fluid handling device including a piezoelectric pump, and a drive or controller assembly. The piezoelectric pump includes a diaphragm having a compressible spring positioned at an actuator side of the diaphragm, and a space occupying layer disposed between the compressible spring and the actuator side.
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