Patent ID: 8435280
Filing Date: 2013-05-07
Classification: A61F

Abstract:
1. An endoprosthesis consisting of a material and comprising: a plurality of circumferentially-oriented bands, the bands formed of the material, each band including two curved portions and a straight portion connecting the two curved portions wherein the material of the curved portions and straight portion has a first grain size, the straight portion having a first width and at least one curved portion having a second width; and a plurality of connectors formed of the material, the connectors extending between adjacent bands; wherein the material of the connectors has a second grain size that is smaller than the first grain size wherein the second width is greater than the first width; and the first width extends uniformly along an axial length region of the straight portion; wherein the curved portions and straight portion have a first yield strength and the connectors have a second yield strength that is greater than the first yield strength.