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US5413572A Osmotic dosage system for liquid drug delivery 失效
用于液体药物输送的渗透剂量系统

Osmotic dosage system for liquid drug delivery
摘要:
An osmotic system is disclosed for delivering a beneficial agent formulation to an environment of use. The osmotic system comprises (a) an outside semipermeable wall, (b) a middle osmotically active layer, (c) a capsule comprising a beneficial agent, and (d) a passageway for dispensing the beneficial agent from the osmotic system.
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