Porous balloon for selective dilatation and drug delivery
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United States of America Patent
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Oct 17, 1995
Issued Date -
N/A
app pub date -
Sep 17, 1993
filing date -
May 24, 1991
priority date (Note) -
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Abstract
A drug delivery apparatus and method for delivering a drug locally to internal body tissue. The invention contemplates positioning a drug delivery device in a body passageway or within body tissue and then selectively wetting a membrane within the device, making the membrane permeable and allowing transport of a drug across the membrane and into the passageway wall or body tissue.
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