Patent ID: 6168619
Filing Date: 2001-01-02
Classification: A61F

Abstract:
A radially-expandable stent for insertion into a lumen, comprising a radially expandable support stent of a selected axial length having first and second ends; a polymer tubular member co-axially disposed over the support stent and extending the length of the support stent, the polymer member being radially expandable with the support stent to an expanded diameter and having an internal surface and an external surface, and tubular end sleeves having an internal surface and an external surface, said end sleeves being disposed around said first and second ends of the polymer-surrounded support stent with the end sleeves' internal surfaces in contact with the polymer tubular member and the end sleeves' external surfaces exposed, said end sleeves (i) being radially expandable with the support stent to an expanded diameter, and (ii) covering 50% or less of the stent length.