Patent ID: 8709065

Claim:
An endovascular graft, comprising: a tubular graft body section; a radially expandable stent extending from and affixed to the graft body section, said stent having a proximal end, a distal end and a serpentine ring configuration having a plurality of struts and apices; and at least one barb integrally formed as an extension of each strut extending distally from a position on the strut that is distal of an adjacent proximal apex; wherein said at least one integrally formed barb is formed as said extension of said each strut with no joint nor other connection thereat; wherein said extension with no joint lacks a welded or brazed joint thereat; and wherein said other connection lacks a mechanical connection thereat; wherein the at least one 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; wherein the at least one barb has a length of about 1 mm to about 5 mm; wherein the radially expandable stent comprises a self expanding stent; and wherein the self-expanding stent comprises a NiTi superelastic alloy.