Patent ID: 9668894
Date: 2017-06-06
CPC Classifications: A61F,A61L

Claim:
1. A stent, comprising: a scaffold formed from a polymer tube and configured for being crimped to a balloon, the scaffold having a pattern of interconnected struts and the scaffold having an expanded diameter when expanded from a crimped state by the balloon, wherein the scaffold comprises a random copolymer of poly(L-lactide) (PLLA) and polycaprolactone (PCL) and the PCL is 15 to 50 wt % or mol % of the copolymer, wherein the glass transition temperature of the random copolymer is between 30° C. and 50° C., wherein the scaffold pattern includes a plurality of undulating rings having crows and longitudinally extending links connecting one ring to another adjacent ring, wherein the crowns include W-crowns, Y-crowns, and free crowns, and wherein the scaffold recoils and self-expands after it is expanded from the crimped state by the balloon to the expanded diameter.