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:
Jul. 29, 2014
Filed:
Dec. 15, 2010
Keiichi Yamada, Izumi, JP;
Masayuki Uruma, Izumi, JP;
Masaki Hiramatsu, Izumi, JP;
Daiken Iki Kanbushiki Kaisha, , JP;
Abstract
Provided is a injection equipment capable of alleviating the force required of a user to inject a medical liquid. A housing chamber Sfor extrusion and a housing chamber Sfor injection are mutually connected so that, when one of the chambers S, Sexpands, the other one of the chambers contracts. As a result of switching a switching valveto an open position in a state where at least a predetermined amount of the medical liquid is filled in the housing chamber S, the housing chamber Sfor injection is contracted based on the expansion of the housing chamber Sfor extrusion according to the discharge pressure of the medical liquid pumpso as to deliver a predetermined amount of medical liquid.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile