Method and apparatus for controlled delivery of active substance
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United States of America Patent
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Oct 14, 2008
Grant Date -
May 12, 2005
app pub date -
Nov 6, 2003
filing date -
Nov 6, 2003
priority date (Note) -
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Abstract
The invention relates to a method and device for coating a device with time-release drugs by providing a plurality of micro coated pellets having different release rates on the surface of the medical device structure, e.g., a stent. Organizing the micro pellets with different release rates on the structure can result in the structure having a plurality of release regions with varying release profiles.
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