The present application is directed to a stent, and more particularly to a radially self-expandable metallic stent, including a serpentine configuration having a plurality of struts and having a plurality of proximal and distal apices； and a barb integrally formed as an extension of each strut and extending outwardly from a position on each strut； where the barb has an elevation angle with respect to a longitudinal axis of a strut from which the barb extends of about 10 degrees to about 45 degrees.
