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MICRO-AIGUILLE ET TIMBRE À MICRO-AIGUILLES
专利权人:
Ltd.;Labo Juversa Co.
发明人:
申请号:
EP16875132.9
公开号:
EP3391935A4
申请日:
2016.12.16
申请国别(地区):
EP
年份:
2019
代理人:
摘要:
An object of the present invention is to provide a microneedle and a method for producing the same that are specialized for individual treatment purposes and can efficiently achieve a treatment effect. The microneedle according to the present invention relates to a microneedle including a drug containing layer, an intermediate layer, and a base layer in order from a tip side, wherein a boundary between the drug containing layer and the intermediate layer has a shape protruding toward the intermediate layer, and a thickness of a central portion of the intermediate layer is smaller than a thickness of a peripheral edge portion. The microneedle according to the present invention can be more easily broken in the intermediate layer than the conventional microneedle, thereby allowing the drug containing layer to be placed to properly target a particular area in epidermis or dermis. Also, drug release from the drug containing layer can be accurately controlled by a shape, a coating, or the like of the drug containing layer, and a range of application of treatment using a microneedle patch can be extended.
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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