发明授权
- 专利标题： Dispensing device with internal drive
- 专利标题（中）： 带内部驱动器的点胶装置
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申请号： US281952申请日： 1981-07-10
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公开(公告)号： US4410328A公开(公告)日： 1983-10-18
- 发明人: Felix Theeuwes
- 申请人： Felix Theeuwes
- 申请人地址： CA Palo Alto
- 专利权人： Alza Corporation
- 当前专利权人： Alza Corporation
- 当前专利权人地址： CA Palo Alto
- 主分类号： A61K9/00
- IPC分类号： A61K9/00 ; A61M5/145 ; B65D83/00 ; A61M7/00
摘要：
A device is disclosed for delivering a beneficial agent. The device comprises (1) a housing defining an internal space (2) a piston in the housing separating the space into an agent compartment and a power compartment, or a flexible container in the space, (3) an opening in the housing connecting the agent compartment or the container with the exterior of the housng, and (4) an osmotic device in the power compartment or beneath the container.
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