In 1994, Johnson ﾠ&ﾠ Johnson introduced PALMAZ-SCHATZ  stent, the first tube-shaped coronary device that was inserted into arteries, revolutionized the field of cardiology, providing doctors with a new, lifesaving tool.

Once inserted, the stent ensured vessels remained open so blood could freely flow to and from the heart. Johnson & Johnson divested its coronary stent business in 2011.