Transdermal absorption sheet
AssigneeFUJIFILM Corporation
InventorSatoshi WAKAMATSU
Life of this patent
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Abstract
Provided is a transdermal absorption sheet capable of improving strength against impact at the time of puncture. A transdermal absorption sheet includes a sheet portion and a plurality of needle-like protruding portions arranged on a first principal surface of the sheet portion, in which the sheet portion has a center portion which is a region in which the plurality of needle-like protruding portions are formed, and an outer edge portion which is a region from the center portion to an end portion, and a maximum thickness of a thickness portion of the outer edge portion is larger than an average thickness of the center portion.
Claims10
A transdermal absorption sheet comprising:
- a sheet-like sheet portion having an end portion and two first and second principal surfaces facing each other;
- and
- a plurality of needle-like protruding portions containing a drug arranged on the first principal surface of the sheet portion,
- wherein the sheet portion has a center portion which is a region in which the plurality of needle-like protruding portions are formed and an outer edge portion which is a region from the center portion to the end portion, and a maximum thickness of a thickness portion of the outer edge portion is larger than an average thickness of the center portion.
Dependencies are inferred from the claim text.