Stent for liberating drug
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United States of America Patent
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-
Mar 31, 1998
Grant Date -
N/A
app pub date -
Jun 14, 1996
filing date -
Oct 17, 1994
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A stent according to the present invention is adapted to be introduced into a vascular system such as blood vessels. The stent includes a stent body produced by weaving or knitting a fiber containing a drug and made of a low-melting biodegradable polymer into a tubular shape, or coating a drug-containing low-melting biodegradable polymer on a stent body. When the stent is introduced into the vascular system, the drug contained therein is dosed in a locally limited region of the vascular system. The low-melting biodegradable polymer used has a melting point of 80.degree. C. or lower and is at least one compound selected from the group consisting of poly-.epsilon.-caprolactone, poly-D, L-deca-lactone, poly-dioxane and a copolymer thereof.
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