Peripheral artery stent, bare-metal

Peripheral artery stents, bare-metal, are tubular metal implants placed in arteries outside the heart (excluding major vessels like the aorta or coronary arteries) to keep them open. They treat blockages caused by atherosclerosis or restore blood flow after a complete artery blockage, improving circulation to limbs or organs. These stents are also sometimes used in obstructed bile ducts, though not in carotid arteries or connected to aortic stents. Made from durable metals like Nitinol, they expand either on their own or via a balloon to widen narrowed passages.

These devices are typically regulated as medical implants, with classification and approval processes varying by jurisdiction. They are usually supplied sterile and pre-loaded in delivery systems for catheter-based placement. Since they are non-bioabsorbable, they remain in place permanently to maintain artery patency. Regulations may require clinical evidence of safety and effectiveness for peripheral artery use, though specific requirements depend on the market’s medical device framework.