Invention Grant
- Patent Title: Protective release sheet for microneedle patch
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Application No.: US14410300Application Date: 2013-06-25
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Publication No.: US10821275B2Publication Date: 2020-11-03
- Inventor: Ying-shu Quan , Fumio Kamiyama
- 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: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@26d90358 com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@2be4de8e
- International Application: PCT/JP2013/067387 WO 20130625
- International Announcement: WO2014/003002 WO 20140103
- Main IPC: A61M37/00
- IPC: A61M37/00 ; A61F13/00 ; A61F13/60 ; A61F13/56

Abstract:
Provided is a microneedle patch which is easily to be applied on a skin surface. One or more holes are provided inside a protective sheet of the microneedle patch, and one or more cutting lines running from an outer edge of the protective sheet toward the holes are also provided. The cutting lines may be symmetrically arranged on both sides of the hole. Providing an incision on the outer edge of the cutting lines of the protective release sheet facilitates cutting along the cutting lines. In the use of the microneedle patch, both sides of the cutting line of the protective release sheet are held and torn so as to bring out a microneedle array adhesive sheet and apply it on a skin. Then the microneedle array surface is slightly compressed, thereby the microneedle is inserted into the stratum corneum.
Public/Granted literature
- US20150335870A1 PROTECTIVE RELEASE SHEET FOR MICRONEEDLE PATCH Public/Granted day:2015-11-26
Information query
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