| 摘要 |
<p>An expandable stent (20) for use within a body passage having a body member (30, 40) with two ends (32, 42, 34, 44) and a wall surface (36, 46) disposed between the ends. The body member (30, 40) has a first diameter to permit delivery of the body member (30, 40) into a body passage and a second expanded diameter. The surface of the stent (20) is coated with a biological agent and a polymer which controls the release of the biological agent.</p> |
