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:
Aug. 25, 2015
Filed:
Dec. 11, 2012
Panasonic Healthcare Holdings Co., Ltd., Minato-Ku, Tokyo, JP;
Panasonic Healthcare Holdings Co., Ltd., Minato-Ku, Tokyo, unknown;
Abstract
The pharmaceutical injection device comprises a syringe mounting portion configured to mount thereon a syringe containing a drug, the syringe including at a front end side thereof an injection needle mounting portion on which an injection needle is mounted and a gasket at a rear end side thereof, a plunger operable to press the gasket in the syringe mounted on the syringe mounting portion toward the injection needle mounting portion, a motor operable to drive the plunger, an encoder operable to detect a rotation amount of the motor, and a controller connected to the encoder and operable to control a driving of the motor. The controller is operable to obtain a motor rotation amount that corresponds to a deformation amount of the gasket deformed by the plunger, and control a rotation of the motor at a time of injection of the drug in accordance with the motor rotation amount.