Patent ID: 7387641

Claim:
Self-expanding stent for splinting and/or keeping open a hollow organ, the stent comprising: a first elastic tubular layer; a first filament layer consisting essentially of nonintersecting helical filaments disposed in a phase-shifted fashion and a spaced apart relationship in one plane on the first elastic tubular layer; a second elastic tubular layer coating the helical filaments of the first filament layer, the second elastic tubular layer being connected at least at ends thereof with the first elastic tubular layer in a material-bonding fashion for fixing a position of the helical filaments of the first filament layer; and a second filament layer comrpising at least one helical filament disposed above the helical filaments of the first filament layer outside of a plane spanned by the helical filaments of the first filament layer and that the at least one helical filament of the second filament layer is coated with a third elastic tubular layer comprising a polymer connected to the second elastic tubular layer.