Angioplasty.Org | Boston Scientific launches Promus Element coronary stent system in Japan MTBeurope Boston Scientific Corporation (NYSE: BSX) has launched its Promus Element Everolimus-Eluting platinum chromium coronary stent system in Japan, following regulatory approval. The stent incorporates a platinum chromium (PtCr) alloy with an innovative ... BSX Unveils Promus Element in Japan |