Patent ID: 7520903
Filing Date: 2009-04-21
Classification: A61F

Abstract:
1. An endoprosthesis for an anatomical canal, which is intended to be implanted in a region of said anatomical canal that is experiencing impairment, said endoprosthesis comprising a body having a wall including an exterior surface that includes individual projecting studs for collaborating with the wall of said anatomical canal in order to hold said endoprosthesis in position therein, said projecting studs being distributed in longitudinal lines and spaced apart in the longitudinal direction and in the peripheral direction, wherein: at least some projecting studs of a longitudinal line are hollow and contain a radiopaque product, at least some of the other studs are hollow and act as a reservoir for containing a not radiopaque product that is active against said impairment and for allowing said active product to act against this impairment, and at least one projecting stud, of the longitudinal line comprising the hollow projecting studs containing a radiopaque product, contains a pellet acting as a signature for said endoprosthesis.