| 摘要 |
<P>PROBLEM TO BE SOLVED: To solve the following problem that conventionally, a surface of a medical placement device, a part of which is inside the body, is made to contain antibacterial drug or antithrombotic drug to prevent the formation of biofilm or blood clot due to bacterial adhesion, but an expiration date arrives soon and its extension is required. <P>SOLUTION: By pasting a vibration element on a part outside a body of the medical placement device to vibrate the medical placement device in its long axis direction and by controlling its vibration strength or the number of times of its vibration, an elution time for active medicinal agent is extended. <P>COPYRIGHT: (C)2013,JPO&INPIT |
