Patent 7381217 was granted and assigned to Boston Scientific on June, 2008 by the United States Patent and Trademark Office.
A stent comprises a serpentine band. The serpentine band has alternating peaks and troughs. A first set of peaks and troughs define an envelope of generally increasing longitudinal extent in a distal direction and a second set of peaks and troughs define an envelope of generally increasing longitudinal extent in a proximal direction.