Implantable device with reservoirs for increased drug loading
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United States of America Patent
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Aug 18, 2009
Grant Date -
Jul 31, 2008
app pub date -
Jan 30, 2007
filing date -
Jan 30, 2007
priority date (Note) -
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Abstract
A method of manufacturing a drug loaded stent includes applying a photo resistant coating to at least a portion of a stent framework and removing at least a portion of the photo resistant coating from the stent framework. The method further includes applying an etchant to at least a portion of the stent framework and forming a plurality undercut drug reservoirs in the stent framework based on applying the etchant. A stent for treating a vascular condition includes a stent framework, a plurality of undercut reservoirs formed within the stent framework and a therapeutic agent disposed within at least a portion of the plurality of undercut reservoirs.
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