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:
Apr. 15, 2014
Filed:
Jan. 26, 2011
Soichiro Fujioka, Osaka, JP;
Tohru Nakamura, Osaka, JP;
Osamu Mizuno, Osaka, JP;
Akinobu Okuda, Nara, JP;
Akihiro Ohta, Osaka, JP;
Mizuho Sakakibara, Tokyo, JP;
Toshihide Ueda, Osaka, JP;
Soichiro Fujioka, Osaka, JP;
Tohru Nakamura, Osaka, JP;
Osamu Mizuno, Osaka, JP;
Akinobu Okuda, Nara, JP;
Akihiro Ohta, Osaka, JP;
Mizuho Sakakibara, Tokyo, JP;
Toshihide Ueda, Osaka, JP;
Panasonic Corporation, Osaka, JP;
Abstract
A syringe drive deviceaccording to the present invention includes: an outer tube fixing portionthat detachably fixes an outer tubeof a syringe; a plunger holderthat holds a plungerof the syringe; and a drive portion that moves the plunger holderalong an axis of the syringe. The outer tube fixing portionincludes: a flange catcherfacing a rear end of a flangeof the outer tube, the rear end being located far from the plungerto be pushed; slide portionsandthat are located in front of a front end of the flangeto hold the flangebetween the flange catcherand the slide portions, the front end being located close to the plungerto be pushed; slide guidesandthat support the slide portionsandso as to be slidable along the axis of the syringe; and a slide portion operation mechanism that is switchable between a first state where the slide portionsandslide along the axis of the syringe, and a second state where the slide portionsandare held at positions to hold the flangebetween the flange catcherand the slide portions.