Methods for using a stent having nanoporous layers
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United States of America Patent
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May 28, 2013
Grant Date -
Aug 31, 2006
app pub date -
Feb 10, 2006
filing date -
Nov 13, 2002
priority date (Note) -
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Abstract
Implantable medical devices having at least one porous layer, and methods for making such devices, and loading such devices with therapeutic agents are described. A mixture or alloy is placed on the surface of a medical device, then one component of the mixture or alloy is generally removed without generally removing the other components of the mixture or alloy to create the pores of the porous layer. The porous layer may be adapted for bonding non-metallic coating, including drug eluting polymeric coatings. A porous layer may have a random pore structure or an oriented or directional grain porous structure. The medical device may be a vascular stent having at least one porous layer adapted to resist stenosis or cellular proliferation.
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