| 发明名称 |
OSMOTIC DEVICE WITH HYDROGEL DRIVING MEMBER |
| 摘要 |
An osmotic device is disclosed comprising a semipermeable wall surrounding a compartment housing an agent that is insoluble to very soluble in aqueous and biological fluids, and a layer of a fluid swellable, hydrogel. A passageway in the wall connects the agent with the exterior of the device. |
| 申请公布号 |
DE3172338(D1) |
申请公布日期 |
1985.10.24 |
| 申请号 |
DE19813172338 |
申请日期 |
1981.07.22 |
| 申请人 |
ALZA CORPORATION |
发明人 |
CORTESE, RICHARD;THEEUWES, FELIX |
| 分类号 |
A01N25/34;A61K9/00;A61M31/00;B01J4/04;(IPC1-7):A61M31/00;A61K9/52 |
主分类号 |
A01N25/34 |
| 代理机构 |
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代理人 |
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