ADJUSTABLE STENOSIS AND METHOD THEREFOR
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United States of America Patent
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Issued Date -
Jan 20, 2011
app pub date -
Sep 20, 2010
filing date -
Mar 13, 2009
priority date (Note) -
Abandoned
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Abstract
An adjustable stenosis provides a channel comprising an outer wall and an inner wall. The inner wall may comprise resiliently flexible material. A reservoir may be formed by the outer wall and inner wall. The flexibility of the inner wall allows the reservoir to expand into the channel to increase stenosis and to contract toward the outer wall to decrease stenosis. The reservoir may have a default expanded shape or a default contracted shape. The default shape may be maintained unless the pressure or amount of filler material in the reservoir is manipulated. The reservoir may have one or more chambers. The channel may be attached to a natural lumen or a graft or may be placed around the lumen or graft.
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