| 摘要 |
The present invention relates to an expandable system consisting of a catheter balloon and a crimped stent. The system can include a rapid release kinetic of one active agent with a slow release kinetic of a second active agent, due to the fact that the catheter balloon is coated with a first active agent adapted for rapid release and the stent is coated with a second agent adapted for slower release. The catheter balloon can be coated with a cytotoxic amount of a first active agent and the stent can be coated with a cytostatic amount of a second active agent.
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