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:
Oct. 06, 2020
Filed:
Nov. 17, 2014
Sanofi-aventis Deutschland Gmbh, Frankfurt am Main, DE;
Stefan Blancke, Frankfurt am Main, DE;
Axel Teucher, Frankfurt am Main, DE;
Michael Jugl, Frankfurt am Main, DE;
Christiane Schneider, Frankfurt am Main, DE;
Sanofi-Aventis Deutschland GMBH, Frankfurt am Main, DE;
Abstract
A spring assisted drug delivery device comprising: a housing; a piston rod having a longitudinal axis, a distal end and a proximal end that is axially movable in a distal direction relative to the housing, a mid-body fixed inside of the housing and coupled to the piston rod in such a manner that the piston rod is axially movable in a distal direction relative to the mid-body, and wherein a preloaded spring is operatively coupled to the piston rod in such a manner that the spring is released and the stored force in the spring supports driving the piston rod in the distal direction during a dose administration step.