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:
Dec. 10, 2019
Filed:
Jul. 29, 2014
Asti Corporation, Hamamatsu-shi, Shizuoka, JP;
Takeda Pharmaceutical Company Limited, Osaka-shi, Osaka, JP;
Takuya Tamaru, Hamamatsu, JP;
Noriyuki Ogai, Hamamatsu, JP;
Akifumi Inoue, Hamamatsu, JP;
Sigeru Tomita, Osaka, JP;
Ikuhiko Wada, Osaka, JP;
ASTI CORPORATION, Hamamatsu-Shi, Shizuoka, JP;
TAKEDA PHARMACEUTICAL COMPANY LIMITED, Osaka-Shi, Osaka, JP;
Abstract
The purpose of the present invention is to provide: a microneedle array that does not readily break during puncture and thereby improves the reliability of puncturing, the microneedle array being capable of administering the desired amount of the target substance; and a microneedle manufacturing method for manufacturing a microneedle array of such description. To achieve the above purpose, the invention is characterized in being provided with: a substrate; a plurality of microneedle base sections formed integrally in a protruding manner on the substrate; and microneedle end sections installed at the ends of the microneedle base sections to form microneedles and provided with in vivo solubility or biodegradability, the microneedle end sections holding the target substance, a recess for admitting the microneedle end sections being provided to the microneedle base sections, and a part of the microneedle end sections being admitted into the recess for admitting the microneedle end sections.