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:
Dec. 27, 2016
Filed:
Jun. 28, 2011
Tomohiko Kubo, Osaka, JP;
Teruhisa Hirobe, Osaka, JP;
Tomohiko Kubo, Osaka, JP;
Teruhisa Hirobe, Osaka, JP;
NIPRO CORPORATION, Osaka, JP;
Abstract
An administration device can discharge a prescribed, equal amount of medicine a number of times by spraying. A spraying device includes a barrel; a gasket provided slidably movable in liquid-tight manner in the barrel; a rod coupled to a base end of the gasket; and a regulating member provided on the barrel, having a projection that can slidably fit with the guide groove. The guide groove includes at least first and second continuous administering grooves. The second administering groove is configured to include a transitional portion extending in the circumferential direction with a groove wall on the base end side aligned with the base end of the first administering portion, and a second administering portion extending from the transitional portion to a base end along the longitudinal direction. An energizing protrusion engageable with the projection is provided at a boundary between the transitional portion and the second administering portion.