Patent ID: 8016880
Filing Date: 2011-09-13
Classification: A61F

Abstract:
1. A drug eluting stent having a generally cylindrical configuration for placement within a body lumen, the stent comprising: a strut formed from a hollow wire or tube having a central lumen defined by an inner surface of the hollow wire or tube, wherein the strut is coiled to form the generally cylindrical configuration of the stent; an open channel formed in a spiraling fashion to wrap around a circumference of the strut along a length of the strut that extends from substantially a proximal end to a distal end thereof, the spiral channel having a depth that extends between an outer surface of the hollow wire or tube that forms the strut to the central lumen thereof; and a therapeutic substance disposed within the central lumen of the strut for delivery to a body vessel via the spiral channel to provide distribution of the therapeutic substance to the body vessel's luminal and abluminal surfaces.