Rate limiting barriers for implantable devices and methods for fabrication thereof
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United States of America Patent
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Feb 13, 2007
Issued Date -
N/A
app pub date -
Jul 18, 2002
filing date -
Jun 27, 2001
priority date (Note) -
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Abstract
A method of coating an implantable medical device, such as a stent, is disclosed. The method includes applying a formulation on a first polymer layer containing a therapeutic substance to form a second layer. The formulation can contain a highly hydrophobic polymer or a solvent which is a poor solvent for the drug or the polymer of the first layer. The formulation can have a low surface tension value or a high Weber number value.
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