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:
Oct. 20, 2026

Filed:

Sep. 19, 2023
Applicant:

Terumo Kabushiki Kaisha, Tokyo, JP;

Inventors:

Kentaro Nakajima, Nakakoma-gun, JP;

Ryoji Kobayashi, Hadano, JP;

Takehiko Ueda, Kofu, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61M 5/142 (2006.01); A61M 5/32 (2006.01);
U.S. Cl.
CPC ...
A61M 5/142 (2013.01); A61M 5/3287 (2013.01);
Abstract

A liquid medicine administration device includes: a needle unit configured to be inserted into and placed on a living body; a liquid medicine supply device provided separately from the needle unit and configured to deliver a liquid medicine filled inside from a distal portion; a tube configured to allow the liquid medicine to flow, the tube having a distal end connected to the needle unit; and a connector to which the liquid medicine supply device is attached, the connector being located at a proximal end of the tube. The connector includes: a valve body that has a disk shape and that opens during delivery of the liquid medicine to allow the liquid medicine supply device to communicate with the tube, and a valve seat that is annular and provided on a tube side with respect to the valve body, the valve seat protruding toward and contacting the valve body.


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Nakajima, Kentaro. (2026). Drug administration device with annular valve having slit shape opening (U.S. Patent No. 12766246). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12766246

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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