Drug-eluting stent and methods of making the same
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United States of America Patent
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Dec 5, 2006
Grant Date -
N/A
app pub date -
Nov 13, 2002
filing date -
Nov 13, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An intravascular stent having a prefabricated, patterned polymeric sleeve for controlled release of therapeutic drugs and for delivery of the therapeutic drugs in localized drug therapy in a blood vessel is disclosed. The polymeric sleeve is attached to at least a portion of an outside surface area of the stent structure. Alternatively, a plurality of individual microfilament strands are longitudinally attached to an outer surface of a stent structure in a spaced apart orientation and loaded with at least one therapeutic drug for the release thereof at a treatment site. The stent has a high degree of flexibility in the longitudinal direction, yet has adequate vessel wall coverage and radial strength sufficient to hold open an artery or other body lumen. Methods for making the same are also disclosed.
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