发明名称 |
MICRONEEDLE DEVICE AND TRANSDERMAL ADMINISTRATION DEVICE PROVIDED WITH MICRONEEDLES |
摘要 |
<p>The present invention provides a microneedle device having a coating, which is effective even with a low molecular weight active compound and can sustain the effect of the drug for a long period of time, and a transdermal drug administration apparatus with microneedles. The microneedle device (5) has, on a microneedle substrate (8), a plurality of microneedles (6) that can pierce the skin, wherein the surface of the microneedles (6) and/or the microneedle substrate (8) is partly or entirely coated in fixed state with a coating carrier containing polyvinyl alcohol. The polyvinyl alcohol preferably has a hydrolysis degree of 94.5 mol% or more. Furthermore, the coating carrier can contain a drug.</p> |
申请公布号 |
EP2005990(B1) |
申请公布日期 |
2013.08.28 |
申请号 |
EP20070741173 |
申请日期 |
2007.04.06 |
申请人 |
HISAMITSU PHARMACEUTICAL CO., INC. |
发明人 |
TOKUMOTO, SEIJI;MATSUDO, TOSHIYUKI;KUWAHARA, TETSUJI |
分类号 |
A61M37/00;A61B17/20;A61K9/00;A61K47/34 |
主分类号 |
A61M37/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|