Nanotechnology could have an enormous impact on medicine but, says Michael Helmus, the regulations that govern new drugs and medical devices ... is the drug-eluting stent: originally stents ...

These tubular medical devices maintain blood flow by expanding narrowed or blocked blood vessels. However, traditional metal stents may cause ... technology to create nano- and micro-scale wrinkle ...

Esophageal stenting is a medical procedure used to treat various conditions affecting the esophagus, including strictures (narrowing of the esophagus) and malignancies. The use of stents ...