发明授权
- 专利标题： Coatings for drug delivery devices having gradient of hydration
- 专利标题（中）： 具有水化梯度的药物输送装置的涂层
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申请号： US12016811申请日： 2008-01-18
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公开(公告)号： US08231962B2公开(公告)日： 2012-07-31
- 发明人: Stephen D. Pacetti , Syed F. A. Hossainy , Yiwen Tang , Andrew C. Tung , Thierry Glauser
- 申请人： Stephen D. Pacetti , Syed F. A. Hossainy , Yiwen Tang , Andrew C. Tung , Thierry Glauser
- 申请人地址： US CA Santa Clara
- 专利权人： Advanced Cardiovascular Systems, Inc.
- 当前专利权人： Advanced Cardiovascular Systems, Inc.
- 当前专利权人地址： US CA Santa Clara
- 代理机构： Squire Sanders (US) LLP
- 主分类号： B32B7/02
- IPC分类号： B32B7/02 ; B32B27/28 ; B32B27/30 ; B32B27/36 ; B32B27/40
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.
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