Multi-layered radiopaque coating on intravascular devices
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United States of America Patent
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-
Jul 18, 2006
Grant Date -
Sep 26, 2002
app pub date -
Nov 15, 2001
filing date -
Nov 20, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Intravascular devices having a radiopaque layer thereon for visualization are provided. The devices further includes a capping layer on the radiopaque layer to prevent exposure of the radiopaque material to surrounding tissues. A method of coating the device is also provided. The method includes using an unbalanced magnetic field magnetron to generate, from a source, metal atoms for coating and bombarding ions for compressing deposited metal atoms to the surface of the device.
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