Patent ID: 8439966
Filing Date: 2013-05-14
Classification: A61F

Abstract:
1. An intravascular stent for use in a body lumen, comprising: a distal section, a proximal section, and a central section positioned between the distal section and the proximal section, each section being aligned along a common longitudinal axis forming the stent; the distal section and the proximal section having cylindrical rings, wherein the distal section includes all cylindrical rings distal to the central section and the proximal section includes all cylindrical rings proximal to the central section and wherein all cylindrical rings in the distal and proximal section have a first longitudinal length, and the central section consisting of a single cylindrical ring having a second longitudinal length, the first longitudinal length being shorter than the second longitudinal length; the distal section and the proximal section having a first strut pattern having a first radial thickness, and the central section having a second strut pattern having a second radial thickness that is less than the first radial thickness; and the second strut pattern having a substantially uniform repeating series of struts that form the single cylindrical ring of the central section wherein each strut is directly attached to an adjacent strut to define a zig-zag pattern; at least a portion of the central ring is provided with a cover.