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. 05, 2016
Filed:
Mar. 02, 2011
Takayuki Yokota, Yamanashi, JP;
Yoichiro Iwase, Ashigarakami-gun, JP;
Naoki Sakaguchi, Ashigarakami-gun, JP;
Kazunori Koiwai, Ashigarakami-gun, JP;
Yoshinori Hishikawa, Yamanashi, JP;
Takayuki Yokota, Yamanashi, JP;
Yoichiro Iwase, Ashigarakami-gun, JP;
Naoki Sakaguchi, Ashigarakami-gun, JP;
Kazunori Koiwai, Ashigarakami-gun, JP;
Yoshinori Hishikawa, Yamanashi, JP;
Terumo Kabushiki Kaisha, Tokyo, JP;
Abstract
A needle does not come off even if a high back pressure occurs at the skin upper section. Thus, the drug leakage from the skin can be prevented. A drug administration deviceincludes a tubular sectionhaving a fluid chambercapable of accommodating a drug and a discharge section, a pusher membermoving within the tubular section, a grip section, and a connection section. The pusher memberincludes a rod-shape plungerand a gasket. The grip sectionis disposed along the outer periphery of the tubular sectionand kept away from the tubular section, and the connection sectionis formed between the tubular sectionand the grip section