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:
Feb. 09, 2021
Filed:
Aug. 25, 2017
Duoject Medical Systems Inc., Bromont, CA;
Simon Hamel, Knowlton, CA;
Sylvain Cloutier, Magog, CA;
Yan Tremblay, Orford, CA;
Mathieu Viens, Granby, CA;
Duoject Medical Systems Inc., Bromont, CA;
Abstract
A auto-injector device having a housing (), a cartridge for containing a medicament, a first needle tip () arranged to penetrate said cartridge, a second needle tip () for injecting said medicament into a target, said first and second needle tips being in fluid communication, a plunger rod () to move said cartridge so as to be pierced by said first needle tip, said plunger rod () having a recess () in an end thereof, the improvement comprising a battery (), a printed circuit board () electrically communicating with said battery, an electrically conductive element () having a first end in electric communication with said battery () and printed circuit board (), a second end within said recess () in said plunger rod (), said second end being electrically insulated, a coil spring () surrounding said electrically conductive element and being spaced therefrom, the arrangement being such that when said plunger rod () is activated, said second end of said electrically conductive element is released from said recess () in said plunger rod () and contacts said coil spring () to complete an electric circuit.