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|국가/구분||United States(US) Patent 등록|
|발명자 / 주소||
|출원인 / 주소||
|인용정보||피인용 횟수 : 109 인용 특허 : 6|
A device is disclosed for delivering an agent to an environment of use at a substantially constant rate over time. The device comprises a wall formed of a microporous material surrounding a compartment housing the agent and a thermodynamic member. The member comprises a film formed of an expandable, semipermeable material surrounding a means for expanding the member. The member can occupy any space-position in the compartment, and it also can be in contact with the wall. In operation, when the device is in the environment, agent is delivered from the dev...
A device for the controlled delivery of a beneficial agent to an environment of use, said device comprising: (a) a microporous wall having a plurality of micropaths through the wall, said microporous wall surrounding and defining: (b) a compartment; (c) a beneficial agent in the compartment; and, (d) an expandable member in the compartment, said member comprising a flexible, semipermeable film surrounding an osmotically effective solute, a gas generating couple, or a swellable polymer; and, (e) wherein, when the device is in operation in the environment ...