Intravascular stent and method
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United States of America Patent
Stats
-
Apr 29, 1997
Grant Date -
N/A
app pub date -
Jun 7, 1995
filing date -
Apr 26, 1993
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A method for making an intravascular stent by applying to the body of a stent a therapeutic substance and then overcoating the therapeutic substance with a porous polymer. The inclusion of a porous polymer in intimate contact with a drug on the 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.
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Cited Art Landscape
Patent Citation Ranking
- 640 Citation Count
- A61M Class
- 90.85 % this patent is cited more than
- 28 Age