Porous metal for drug-loaded stents
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United States of America Patent
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Issued Date -
May 6, 2004
app pub date -
Oct 30, 2002
filing date -
Oct 30, 2002
priority date (Note) -
Abandoned
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Abstract
An intravascular stent for controlled release of therapeutic drugs and for delivery of the therapeutic drugs in localized drug therapy in a blood vessel having a tubular stent member formed of a microcellular porous metal capable of absorbing and releasing therapeutic drugs, wherein a thin layer of a polymeric material is applied to an outer surface of the tubular stent member. A method of making a polymer coated, porous metal stent having sufficient strength and capable of absorbing and releasing therapeutic drugs for the delivery of same in localized drug therapy at an intravascular site is also disclosed herein.
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