Mertz Leslie
IEEE Pulse. 2018 Nov-Dec;9(6):15-19. doi: 10.1109/MPUL.2018.2870699.
When an artery is blocked, stents are often the best way to open up the vessel. A mesh stent is tightly crimped over a tiny balloon and guided to the troubled spot; the balloon is inflated, expanding the stent, which forces the vessel open. Blood flow is restored.