Drug reservoir stent
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United States of America Patent
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Issued Date -
Jul 26, 2007
app pub date -
Jan 20, 2006
filing date -
Jan 20, 2006
priority date (Note) -
Abandoned
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Abstract
Drug reservoir stents and methods of making and using the same are described. Such drug reservoir stents are prepared by applying a sacrificial material to one or more surfaces of the strut filaments of a drug delivery stent and applying a durable coating material to the surface of the sacrificial material to create a durable shell. A drug reservoir is created between the surface(s) of the strut filament and the durable shell by creating at least one perforation in the durable shell and removing the sacrificial material. The resulting reservoir is then filled with one or more therapeutic drugs. The drug reservoir stent allows elution of drug in the absence of a polymer binder.
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