| 摘要 |
<p>The present invention is directed to a long-term dispensing device (1) for the controlled delivery of a beneficial agent in a hydrophilic carrier, which device quickly and continuously delivers an effective amount of agent (15) followed by a continuous and sustained delivery of agent (16) in a controlled and uniform amount over a prolonged period of time, thus providing for delivery of beneficial agent to an environment of use at two different rates and having a fast startup.</p> |
