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MICRONEEDLE ARRAY COATED WITH DRUG
专利权人:
LTD.;COSMED PHARMACEUTICAL CO.
发明人:
Ying-shu Quan,Mio Saito,Hirofumi Yamashita,Fumio Kamiyama
申请号:
US16473117
公开号:
US20190344062A1
申请日:
2017.12.28
申请国别(地区):
US
年份:
2019
代理人:
摘要:
To provide a practical microneedle preparation which solves a problem that, even if a tip portion of the microneedle could be quantitatively coated with the drug, the drug remained in the stratum corneum when actually applying the microneedle array as a transdermal absorption preparation.A microneedle array having needles with a length of 350 μm to 900 μm, and a tip apex diameter of 20 μm to 100 μm, including drug-coated portions, and comprising a non-biosoluble polymer as a base, wherein a lower end of each drug-coated portion is 200 μm or more away from a root of the needle.
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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