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:
Sep. 01, 2020
Filed:
Mar. 23, 2016
Applicant:
Shl Medical Ag, Zug, CH;
Inventor:
Brian Maxfield, Boca Raton, FL (US);
Assignee:
SHL MEDICAL AG, Zug, CH;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61M 5/20 (2006.01); A61M 5/315 (2006.01); A61M 5/24 (2006.01); A61M 5/32 (2006.01);
U.S. Cl.
CPC ...
A61M 5/2033 (2013.01); A61M 5/31505 (2013.01); A61M 5/3202 (2013.01); A61M 2005/2013 (2013.01); A61M 2005/2073 (2013.01); A61M 2005/2477 (2013.01); A61M 2207/00 (2013.01);
Abstract
The present invention relates to a drive mechanism for a medicament delivery device, comprising a plunger rod () arranged to act on a stopper () arranged in a medicament container (); a compression drive spring () operably connected to said plunger rod () and capable of applying a force on said plunger rod (); a spring guide () arranged coaxial with, and radially outside, said compression drive spring (), capable of preventing buckling of said drive spring, wherein said spring guide () comprises a resilient force element () capable of applying a force on said medicament container ().