Patent ID: 7655034
Filing Date: 2010-02-02
Classification: A61F

Abstract:
1. An endoprosthesis comprising: a proximal anchor stent ring comprising: proximal apexes comprising a first proximal apex; distal apexes; struts extending between said proximal apexes and said distal apexes, wherein a first strut and a second strut of said struts extend distally from said first proximal apex; and anchor pins located on said struts adjacent said proximal apexes, said anchor pins comprising a first anchor pin extending from said first strut adjacent said first proximal apex and a second anchor pin extending from said second strut adjacent said first proximal apex and directly opposite said first anchor pin, wherein said first strut comprises an inside surface inward to a curvature of said first proximal apex, said first anchor pin extending inwards from said inside surface of said first strut, and wherein said second strut comprises an inside surface inward to said curvature of said first proximal apex, said second anchor pin extending inwards from said inside surface of said second strut, wherein said proximal apexes and said anchor pins define spindle pin catches comprising a first spindle pin catch defined by said first proximal apex, said first anchor pin, and said second anchor pin.