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.

Date of Patent:
May. 05, 2015

Filed:

Apr. 04, 2011
Applicants:

Stéphane Chevallier, Saint-Soupplets, FR;

Jean-michel Chevallier, Enghien-les-Bains, FR;

Hubert Jansen, Stolberg, DE;

Alain Feret, Evreux, FR;

Inventors:

Stéphane Chevallier, Saint-Soupplets, FR;

Jean-Michel Chevallier, Enghien-les-Bains, FR;

Hubert Jansen, Stolberg, DE;

Alain Feret, Evreux, FR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61M 5/32 (2006.01);
U.S. Cl.
CPC ...
A61M 5/326 (2013.01); A61M 2005/3264 (2013.01);
Abstract

A needle safety shieldfor use with a syringehaving a barrel, a needle and a plunger rod. The safety shieldhas a first tube. A second tubeis arranged for sliding movement within the first tube. A pinis connected to one of the first and second tubes. An activation ringhas a stop. A drive springbiases the activation ringin a proximal direction to place the stopin engagement with the pinto retain the first and second tubesin a retracted configuration. The movement of the plunger rodto engage the activation ringcompresses the drive spring, moving the activation ringdistally, and moving the stopout of engagement with the pin, allowing the drive springto move the first and second tubesinto an extended configuration.


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