| 发明名称 |
Coatings for drug delivery devices having gradient of hydration |
| 摘要 |
A coating for an implantable medical device is provided comprising a first layer including a first polymer and a second layer including a second polymer. The second layer is disposed over at least a portion of the first layer. The second polymer has a lower degree of hydration than the first polymer. |
| 申请公布号 |
US8231962(B2) |
申请公布日期 |
2012.07.31 |
| 申请号 |
US20080016811 |
申请日期 |
2008.01.18 |
| 申请人 |
PACETTI STEPHEN D.;HOSSAINY SYED F. A.;TANG YIWEN;TUNG ANDREW C.;GLAUSER THIERRY;ADVANCED CARDIOVASCULAR SYSTEMS, INC. |
发明人 |
PACETTI STEPHEN D.;HOSSAINY SYED F. A.;TANG YIWEN;TUNG ANDREW C.;GLAUSER THIERRY |
| 分类号 |
B32B7/02;B32B27/28;B32B27/30;B32B27/36;B32B27/40 |
主分类号 |
B32B7/02 |
| 代理机构 |
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代理人 |
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