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:
Nov. 26, 2019

Filed:

Sep. 04, 2015
Applicant:

Terumo Kabushiki Kaisha, Tokyo, JP;

Inventors:

Shigeaki Fuke, Fujinomiya, JP;

Masaomi Imai, Kofu, JP;

Manabu Arinobe, Hadano, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61M 5/315 (2006.01); A61M 5/32 (2006.01); A61M 5/31 (2006.01); A61M 5/28 (2006.01); A61M 5/20 (2006.01);
U.S. Cl.
CPC ...
A61M 5/31501 (2013.01); A61M 5/31576 (2013.01); A61M 5/31581 (2013.01); A61M 5/31583 (2013.01); A61M 5/31586 (2013.01); A61M 5/288 (2013.01); A61M 5/3157 (2013.01); A61M 5/31513 (2013.01); A61M 5/326 (2013.01); A61M 5/3272 (2013.01); A61M 5/3287 (2013.01); A61M 2005/2026 (2013.01); A61M 2005/3131 (2013.01); A61M 2005/31508 (2013.01); A61M 2005/31521 (2013.01); A61M 2005/3247 (2013.01); A61M 2005/3267 (2013.01);
Abstract

A liquid administration device includes: a structure that includes: a cylindrical body including a bottom part in a distal portion and an opening in a proximal portion, a needle tube positioned in the distal portion of the cylindrical body, the needle tube having a sharp needle tip at a distal end, wherein a proximal end of the needle tube is communicable with an inside of the cylindrical body, and a gasket installed in the cylindrical body, the gasket being slidable in an axial direction of the cylindrical body; an operation member configured to perform a pressing operation by pressing the gasket such that a liquid is discharged from the needle tube; a pressing mechanism configured to generate a pressing force for pressing the gasket; and a pressing force transmission inhibiting mechanism configured to inhibit transmission of the pressing force to the gasket during the pressing operation.


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