Patent ID: 9730819
Date: 2017-08-15
CPC Classifications: A61F

Claim:
1. A biodegradable stent prosthesis comprising a polymeric material wherein the stent prosthesis has been formed from a tubular body having an initial diameter using extrusion, spraying, dipping, molding, or printing, and wherein the tubular body has been patterned into a stent with a patterned diameter, said stent comprising structural elements which have abluminal, luminal, and two side surface regions, said structural elements comprising struts joined by crowns wherein said struts and crowns have an initial thickness and an initial width, wherein said structural elements have been treated to change the thickness and width of at least some structural elements, the thickness after treatment being larger than the initial thickness and wherein the width of said at least some structural elements after treatment being smaller than the initial width, said stent prosthesis being expandable from a crimped configuration to an expanded larger configuration and having sufficient strength to support a body lumen.