FLOW RESTRICTOR AND METHOD FOR AUTOMATICALLY CONTROLLING PRESSURE FOR A GASTRIC BAND
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United States of America Patent
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Issued Date -
Dec 22, 2011
app pub date -
Jun 21, 2010
filing date -
Jun 21, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A bladder assembly is provided in order to maintain the pressure in the balloon portion of a gastric band in a range corresponding to a so-called Green Zone. Multiple bladders are connected by flexible tubing which is connected at a distal end to the balloon portion of a gastric band. The elastically expandable bladders provide fluid pressure on the balloon portion of the gastric band in order to maintain the intra-luminal pressure within a desired range over a prescribed fill volume. A flow restrictor is positioned between the balloon portion and the bladders to restrict fluid flow from the balloon to the bladders during patient swallowing.
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