Patent ID: 9060889
Filing Date: 2015-06-23
Classification: A61F,B21F,B23K,Y10T

Abstract:
1. A stent comprising: a wave form comprising a plurality of struts and a plurality of crowns continuously throughout the wave form, each crown connecting two adjacent struts within the wave form, the wave form being wrapped around a longitudinal axis to define a central portion and first and second end portions located on opposite sides of the central portion, the central portion comprising a plurality of turns wrapped around the longitudinal axis and oriented at a first pitch angle relative to the longitudinal axis, the first and second end portions each comprising a plurality of turns wrapped around the longitudinal axis and oriented at different pitch angles, and an end turn oriented at an end turn angle of about 90° relative to the longitudinal axis, at least one of the first and second end portions having pitch angles decreasing in size relative to the longitudinal axis as the plurality of turns transition from then end turn toward the central portion.