发明授权
US4576604A Osmotic system with instant drug availability 失效
渗透系统具有即时药物可用性

Osmotic system with instant drug availability
摘要:
An osmotic device is disclosed for delivering a beneficial agent. The device comprises a wall surrounding a compartment containing an agent, a passageway in the wall connecting the exterior of the device with the compartment, and (a) an agent in the wall or (b) an agent carried on the wall in the wall. The device delivers the agent from the compartment and the wall.
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