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MICRONEEDLE DEVICE
专利权人:
发明人:
申请号:
EP10786220.3
公开号:
EP2441437A1
申请日:
2010.06.10
申请国别(地区):
EP
年份:
2012
代理人:
摘要:
A coating agent has been applied to microneedles having a biodegradable resin, and a relation between its strength and performance has been clarified. As a result thereof, it has been found that the application of the coating agent to microneedles of a biodegradable resin having a predetermined strength or more, that is, a predetermined weight average molecular weight, allows the microneedles to have excellent performance. Further, it has been found that in regard to the coating agent, a predetermined type and amount thereof are also useful to demonstrate the performance. In view of this, when a microneedle device 1 is arranged so that at least a part of a microneedle array 2 provided with microneedles 3 made from polylactic acid having a weight average molecular weight of 40,000 or more is coated with a carrier containing physiologically active ingredients, it is possible to attain excellent migration characteristics of the physiologically active ingredients to a living body.
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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