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:
Jan. 07, 2025
Filed:
Sep. 28, 2021
Terumo Kabushiki Kaisha, Tokyo, JP;
Yusuke Yakushiji, Kanagawa, JP;
TERUMO KABUSHIKI KAISHA, Tokyo, JP;
Abstract
A liquid medicine administration device is configured to reduce the load on the power supply at the start of use and includes: a drive mechanism that advances a plunger that pushes a liquid medicine from a liquid medicine container filled with the liquid medicine toward a distal end opening of the liquid medicine container; and a control unit that controls operation of the drive mechanism, in which the drive mechanism includes a motor that applies, to the plunger, a drive force for advancing the plunger, and an encoder that detects a rotation of the motor, and when driving the drive mechanism, the control unit starts the encoder after starting the motor.