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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.:

US 10894129 B1

PDFFull Text
Date of Patent:
Jan. 19, 2021

Filed:

Nov. 21, 2018

Drug injection device, cartridge adapter, and drug injection system

Applicant:

Phc Holdings Corporation, Tokyo, JP;

Inventors:

Kazumasa Okamura, Ehime, JP;

Mitsuaki Zouda, Ehime, JP;

Kenji Murakami, Ehime, JP;

Assignee:

PHC HOLDINGS CORPORATION, Tokyo, JP;

Attorney:

McDermott Will & Emery LLP

Primary Examiner:

William R Carpenter

Int. Cl.
CPC ...
A61M 5/24 (2006.01); A61M 5/145 (2006.01); A61M 5/20 (2006.01); A61M 5/315 (2006.01); A61M 5/32 (2006.01); A61M 5/34 (2006.01); A61M 5/31 (2006.01);
U.S. Cl.
CPC ...
A61M 5/24 (2013.01); A61M 5/14546 (2013.01); A61M 5/20 (2013.01); A61M 5/31546 (2013.01); A61M 5/31543 (2013.01); A61M 5/31583 (2013.01); A61M 5/32 (2013.01); A61M 5/34 (2013.01); A61M 2005/2013 (2013.01); A61M 2005/247 (2013.01); A61M 2005/2414 (2013.01); A61M 2005/2477 (2013.01); A61M 2005/2485 (2013.01); A61M 2005/2492 (2013.01); A61M 2005/312 (2013.01); A61M 2005/31588 (2013.01); A61M 2205/18 (2013.01); A61M 2205/50 (2013.01); A61M 2205/505 (2013.01); A61M 2205/6036 (2013.01); A61M 2205/6054 (2013.01); A61M 2205/6063 (2013.01); A61M 2205/6081 (2013.01); A61M 2205/8206 (2013.01);
Abstract

A drug injection system includes a cartridge adapter and a drug injection device. The cartridge adapter includes: a main body case; an attachment portion provided on the main body case used for attachment to the drug injection device; an accommodating portion that accommodates therein a drug cartridge; a piston; a piston gear that allows the piston to slide therethrough; a stopper that stops movement of the piston gear; and a release lever that releases a locked state of the piston gear. The drug injection device includes: a casing that accommodates therein a portion of the cartridge adapter; an engagement portion that engages with the cartridge adapter; a drive gear to which the piston gear of the cartridge adapter is connected; a motor connected to the drive gear; and a release bar that drives the release lever of the cartridge adapter.

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