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:
Nov. 24, 2020
Filed:
Sep. 28, 2018
Terumo Kabushiki Kaisha, Tokyo, JP;
TERUMO KABUSHIKI KAISHA, Tokyo, JP;
Abstract
A drug solution injection device is provided with a barrel, a gasket, and a plunger mechanism. The plunger mechanism is provided with a rotation member, a first moving member, and a second moving member. The plunger mechanism is configured to perform a first extension operation and a second extension operation. In the first extension operation, the first moving member advances to a predetermined position with respect to the rotation member and the second moving member in conjunction with rotation of the rotation member. In the second extension operation, the second moving member advances with respect to the rotation member together with the first moving member after the first extension operation, in conjunction with rotation of the rotation member.