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MICRONEEDLE DEVICE
专利权人:
Tetsuji Kuwahara
发明人:
Tetsuji Kuwahara,Seiji Tokumoto,Toshiyuki Matsudo
申请号:
US13147014
公开号:
US20120004626A1
申请日:
2010.01.25
申请国别(地区):
US
年份:
2012
代理人:
摘要:
The present invention aims to allow high molecular weight active ingredients to be contained in a coating agent substantially uniformly. For this purpose, a microneedle device 1 includes a microneedle base 2, and microneedles 3 capable of piercing a skin and being disposed on the microneedle base 2, wherein at least a part of a surface of the microneedles 3 and/or the microneedle base 2 is coated with a coating agent containing a high molecular weight active ingredient and a water-soluble polymer, and the content of the water-soluble polymer in the coating agent is 0.1 to 30% by weight, and the ratio of the content of the water-soluble polymer to the content of the high molecular weight active ingredient in the coating agent is 5:1 to 1:100.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/
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