| 摘要 |
Medical devices having topographic coatings are provided. The topographic coatings have regions of high and low elevation and may be composed of polymers, metals, ceramics, proteins and other biocompatible materials. Such topographic coatings facilitate the deposition, elution, and protection of therapeutic agents on the medical device, manipulation of the medical device , and other purposes. In particularly preferred embodiments, the medical devic e comprises a stent for vascular implantation. |
