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.

Date of Patent:
May. 03, 2022

Filed:

Mar. 13, 2018
Applicants:

Takeda Pharmaceutical Company Limited, Osaka, JP;

Yoshino Kogyosho Co., Ltd., Tokyo, JP;

Arte Corporation, Tokyo, JP;

Inventors:

Kiyoshi Okajima, Takahagi, JP;

Yuki Imanishi, Ibaraki, JP;

Jiichi Arai, Osaka, JP;

Yusuke Chuma, Osaka, JP;

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61M 5/32 (2006.01); A61M 5/34 (2006.01);
U.S. Cl.
CPC ...
A61M 5/3202 (2013.01); A61M 5/34 (2013.01);
Abstract

The present invention suppresses the amount of fluid pushed out from an injection needle when confirming whether air has been pushed out of the injection needle. Provided is a syringe that comprises: a cylinder; an injection needle; a needle base; an injection needle cover; and a plunger rod. The needle basecommunicates between the inside of the cylinderand the inside of the injection needle. The injection needle cover, when extended from a folded state, surrounds the injection needle. The injection needle covercomprises an injection needle surrounding part. The injection needle surrounding part has at least one cutoutin a section facing the needle baseand covering the needle base, such that the needle basecan be identified from the outside.


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