Stent Wars: Judge doubles down on $20M jury award to Boston Scientific in ... Mass Device In June 2011, a federal appeals court upheld Robinson's ruling in another case that J&J's patent covering the sirolimus (also called rapamycin) used in the Cordis Cypher stent doesn't cover the everolimus drug BSX uses in the Promus device. Kirkland & Ellis | Boston Scientific Award Upped To $42M In Cordis Stent IP War |