The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 27, 2021
Filed:
Dec. 06, 2016
Applicant:
Hisamitsu Pharmaceutical Co., Inc., Tosu, JP;
Inventors:
Ryusuke Fudoji, Tokyo, JP;
Naoki Yamamoto, Tsukuba, JP;
Assignee:
HISAMITSU PHARMACEUTICAL CO., INC., Tosu, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A61M 37/00 (2006.01); C08L 67/04 (2006.01); C08G 69/10 (2006.01);
U.S. Cl.
CPC ...
A61M 37/0015 (2013.01); A61M 37/00 (2013.01); C08L 67/04 (2013.01); A61M 2037/0023 (2013.01); A61M 2037/0061 (2013.01); C08G 69/10 (2013.01);
Abstract
The microneedle sheet according to an embodiment comprises a plurality of microneedles formed on a sheet generally along a main surface of the sheet; a bending resistance of the sheet as measured in accordance with a 45° cantilever method defined by JIS L 1096:2010 is 4.2 cm to 12.5 cm; and a material of the sheet is a biodegradable polymer. The microneedles rise from the main surface when the sheet is bent, and the raised microneedles pierce the skin.