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:
Aug. 28, 2018
Filed:
Nov. 19, 2012
Sanofi-aventis Deutschland Gmbh, Frankfurt am Main, DE;
Hardy Kietzmann, Frankfurt am Main, DE;
Jasmin Groeschke, Frankfurt am Main, DE;
Hanno Juhnke, Frankfurt am Main, DE;
Jan-Peter Spengler, Frankfurt am Main, DE;
Matthias Scharf, Frankfurt am Main, DE;
Christoph Dette, Frankfurt am Main, DE;
Michael Schrack, Pliezhausen, DE;
Olaf Zeckai, Weinheim, DE;
Sanofi-Aventis Deutschland GmbH, Frankfurt am Main, DE;
Abstract
The present invention relates to a drive mechanism for a drug delivery device, comprising: a piston rod to operably engage with a piston of a cartridge to displace the piston in a distal direction during a dose dispensing action, at least one actuation member mechanically coupled with the piston rod to induce a distally directed displacement of the piston rod when actuated by a user, a control to ascertain at least one predefined condition of use, and at least one interlock member coupled with the control to mechanically obstruct displacement of the piston rod if the condition of use is not fulfilled.