Protective coating for a stent with intermediate radiopaque...

Details Protective coating for a stent with intermediate radiopaque... Protective coating for a stent with intermediate radiopaque...

A - Human Necessities

61

F

A61F 2/06 (2006.01) A61L 31/08 (2006.01) A61L 31/18 (2006.01) A61F 2/00 (2006.01)

Patent

CA 2190696

The invention relates to coated stents and the method of making them. A stent that is substantially radiolucent is at least partially coated with a radiopaque layer that makes the stent visible under X-ray or fluoroscopy. A protective layer is coated on the stent and the radiopaque layer to protect both from scratches, flaking, and galvanic corrosion, and to improve both blood and bio-compatability.

L'invention porte sur des tuteurs enduits et leur méthode de fabrication. Un tuteur essentiellement perméable aux rayons X est enduit, au moins en partie, d'une couche opaque aux rayons X qui rend le tuteur visible aux rayons X ou à la radioscopie. Le tuteur et la couche opaque aux rayons X sont enduits d'une couche protectrice pour les protéger contre les égratignures, l'écaillage et la corrosion galvanique et pour améliorer la compatibilité sanguine et biologique.

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