Since its establishement in 1959, Cordis Corporation, along with its subsidiaries, has been a pioneer in circulatory disease management, and is the world's largest, most comprehensive developer and manufacturer of innovative products for interventional medicine, minimally invasive computer-based imaging, and electrophysiology. In 1996, Cordis Corporation merged with Johnson & Johnson to form Cordis, a Johnson & Johnson company. It has approximately 4,500 employees worldwide.