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:
May. 15, 2018
Filed:
Nov. 27, 2013
Applicants:
Katsuhito Kuwahara, Tokyo, JP;
Shinya Hoshino, Tokyo, JP;
Inventors:
Katsuhito Kuwahara, Tokyo, JP;
Shinya Hoshino, Tokyo, JP;
Assignee:
YOSHINO KOGYOSHO CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61M 5/315 (2006.01); A61M 11/00 (2006.01); A61M 15/08 (2006.01); B05B 11/00 (2006.01); A61M 5/31 (2006.01);
U.S. Cl.
CPC ...
A61M 5/31501 (2013.01); A61M 5/31526 (2013.01); A61M 5/31573 (2013.01); A61M 5/31578 (2013.01); A61M 11/007 (2014.02); A61M 15/08 (2013.01); B05B 11/00 (2013.01); A61M 2005/3139 (2013.01);
Abstract
A quantitative syringe-type ejector capable of ejecting the contents packed in one syringe in small quantities is provided. The quantitative syringe-type ejector includes a syringe and a plunger. The plunger includes a piston holding member and a plunger operation member. The piston holding member has at least one arm having: a slide projection slidable on an inner peripheral surface of the syringe; and a lock projection to be releasably locked to a back end of the syringe. The plunger operation member has a lock part to be releasably locked to the back end of the syringe.