公开(公告)号：EP3235537A4

公开(公告)日：2018-04-18

申请号：EP15869935

申请日：2015-12-14

申请人： NISSHA PRINTING ,  BIOSERENTACH CO LTD

发明人： YAMADA SHINYA ,  CHIYAMA MASATERU ,  AKITA KENSAKU ,  UENO TAKAKO ,  IDE YUKO ,  NAGAI SACHI ,  AKAO OSANOBU ,  ONO ICHIRO ,  TAKADA KANJI

IPC分类号： A61M37/00 ,  B05B12/12 ,  B05D1/00 ,  B29C31/04 ,  B29C39/24 ,  B29C65/00 ,  B29L31/00 ,  B41J2/04 ,  B81B1/00

CPC分类号： B29C39/24 ,  A61M37/00 ,  A61M37/0015 ,  A61M2037/0053 ,  B05B12/122 ,  B29C65/004 ,  B29L2031/7544 ,  B41J2/04 ,  B81B1/00

摘要： A microneedle patch with which a treatment is reliably completed in a short time when a microneedle is administered into skin or mucous membrane is provided. A microneedle patch (100F) includes a base member (101) and a plurality of microneedles (103g) supported by the base member (101). Each microneedle (103g) includes a top-section layer (104) comprising a biologically active substance to be inserted in dermis (310), and an intermediate layer (106) provided between the top-section layer (104) and the base member (101), having a composition having breaking strength weaker than breaking strength of a composition of the top-section layer (104), and having a thickness of 5 µm and 100 µm inclusive.