Stent for blood vessel and material for stent for blood vessel
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United States of America Patent
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-
Mar 3, 2009
Grant Date -
Jun 5, 2003
app pub date -
Aug 8, 2001
filing date -
Nov 30, 2000
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A luminal stent, implanted and implanted and left in the blood vessel, is disclosed. By permitting a stent (1), formed of a biodegradable polymer material (2), to be swollen, and by impregnating the swollen stent (1) with a drug, a sufficient quantity of the drug is impregnated in the stent. This drug is continuously released into the blood vessel over a prolonged time. A biodegradable polymer layer is formed on the surface of the stent (1) impregnated with the drug, and the release rate of the drug impregnated in the stent is controlled.
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