Medicated porous metal prosthesis
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United States of America Patent
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Aug 30, 2011
Grant Date -
Nov 20, 2008
app pub date -
Aug 1, 2008
filing date -
Apr 15, 1997
priority date (Note) -
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Abstract
A porous prosthesis for delivering a medication to the site of implantation. The prosthesis, such as a stent, includes a first porous region and a second porous region and is at least partially formed from a molybdenum-rhenium alloy. The porous regions can have different porosity. A stent includes first, second and third porous region, the first porous region being between the second and third porous regions, and a therapeutic agent is disposed in the first porous region. A stent can also include a solid core and inner and outer porous layers surrounding the core.
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