Intravasoular stent and method
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United States of America Patent
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Jul 7, 1998
Issued Date -
N/A
app pub date -
Oct 9, 1996
filing date -
Apr 26, 1993
priority date (Note) -
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Abstract
A device for delivery of a therapeutic substance into a body lumen including a polymer in intimate contact with a drug on a stent allows the drug to be retained on the stent during expansion of the stent and also controls the administration of drug following implantation. The adhesion of the coating and the rate at which the drug is delivered can be controlled by the selection of an appropriate bioabsorbable or biostable polymer and the ratio of drug to polymer.
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