Stent with improved surface adhesion
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United States of America Patent
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N/A
Issued Date -
Nov 25, 2004
app pub date -
Apr 22, 2004
filing date -
Apr 22, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The stent with improved surface adhesion of the present invention increases adhesion between a stent and a coating by including a silane layer between the stent and the coating. The silane layer improves the wettability of the stent for application of a liquid coating and increases the coating adhesion. A coated stent can be manufactured by applying a silane solution to a stent by spraying or dipping the stent to form a silane layer on the stent surface, curing the resulting silane layer in an inert atmosphere, and applying a coating to the silane layer. In one embodiment, an amino silane can be used with a stainless steel stent.
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