Invention Grant
- Patent Title: Drug-holding microneedle array and manufacturing method thereof
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Application No.: US14767237Application Date: 2014-02-10
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Publication No.: US10994111B2Publication Date: 2021-05-04
- Inventor: Ying-shu Quan , Fumio Kamiyama , Tomoya Yamada
- Applicant: COSMED PHARMACEUTICAL CO., LTD.
- Applicant Address: JP Kyoto
- Assignee: COSMED PHARMACEUTICAL CO., LTD.
- Current Assignee: COSMED PHARMACEUTICAL CO., LTD.
- Current Assignee Address: JP Kyoto
- Agency: Cheng Law Group, PLLC
- Priority: JPJP2013-041194 20130214
- International Application: PCT/JP2014/053068 WO 20140210
- International Announcement: WO2014/126052 WO 20140821
- Main IPC: A61M37/00
- IPC: A61M37/00

Abstract:
The present invention provides a drug-holding microneedle array in which a drug is applied and held only on a tip portion of microneedles for quantitatively holding the drug and for preventing the drug from falling away during insertion of the microneedles.
The drug-holding microneedle array comprises: a microneedle array having a microneedle substrate 4 and microneedles, the microneedles being positioned in plural on the microneedle substrate 4 and a tip portion 1 of the microneedles projecting via steps 2 and a drug held on the tip portion of the microneedles and the steps 2.
The drug-holding microneedle array comprises: a microneedle array having a microneedle substrate 4 and microneedles, the microneedles being positioned in plural on the microneedle substrate 4 and a tip portion 1 of the microneedles projecting via steps 2 and a drug held on the tip portion of the microneedles and the steps 2.
Public/Granted literature
- US20160001053A1 DRUG-HOLDING MICRONEEDLE ARRAY AND MANUFACTURING METHOD THEREOF Public/Granted day:2016-01-07
Information query
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