| 摘要 |
The present invention is a medical device such as a stent in the form of an expandable mesh with an expandable polymer layer thereon. The mesh is metal or plastic. The polymer may be any of a variety of expandable polymers, which either expand upon hydration, or expand without significant resistance. The invention may be used, for example, as an expandable biliary, vascular, endotracheal, esophageal, or prostatic device. |
