Electroactive polymer actuated gastric band
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United States of America Patent
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Aug 3, 2010
Grant Date -
Feb 1, 2007
app pub date -
Jul 28, 2005
filing date -
Jul 28, 2005
priority date (Note) -
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Abstract
Methods and devices are provided for remotely adjusting a size of a gastric band disposed around a patient's stomach. In one exemplary embodiment, a gastric band is provided having a first end and a second end that mate to one another to encircle a stomach. A latch mechanism can be formed on the band, and at least one actuator can be coupled to the latch mechanism and it can be adapted to expand and contract the latch mechanism when energy is applied thereto to adjust a diameter of the band. In one exemplary embodiment, the actuator(s) is an electroactive polymer actuator.
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