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Vascular stents designed to be deployed into the coronary arteries. These stents are typically metallic and are either balloon-expandable or self-expanding. Some stents are uncoated (i.e., bare metal) while others are coated to give them special capabilities (e.g., to reduce protein and/or platelet adhesion, to elute drugs). Coronary vascular stents are typically used to treat coronary vessel disease; these devices form a scaffold that holds the arteries open without compromising the flexibility of the vessel.
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