Stent and process for producing the same

Details Stent and process for producing the same Stent and process for producing the same

A - Human Necessities

61

F

A61F 2/84 (2006.01) A61F 2/06 (2006.01) B82B 1/00 (2006.01) A61L 31/00 (2006.01)

Patent

CA 2637490

A stent which comprises an annular stent main body (11), a diamond-like thin film (12) formed on the surface of the stent main body (11) and having undergone a surface activation treatment, and a polymer layer (13) fixed to the surface of the diamond-like thin film. The polymer layer (13) contains a drug (14) having the effect of preventing re-narrowing. The drug (14) is gradually released from the polymer layer (13).

L~invention a pour objet un stent qui comprend un corps principal de stent annulaire (11), une pellicule mince en diamant (12) formée à la surface du corps principal de stent (11) et ayant subi un traitement d'activation de surface, et une couche de polymère (13) fixée à la surface de la pellicule mince en diamant. La couche de polymère (13) contient un médicament (14) ayant l'effet d'empêcher un re-rétrécissement. Le médicament (14) est progressivement libéré de la couche en polymère (13).

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