US 11,951,292 B2
Autoinjector
Thomas Kemp, Ashwell (GB)
Assigned to Sanofi-Aventis Deutschland GMBH, Frankfurt am Main (DE)
Filed by Sanofi-Aventis Deutschland GMBH, Frankfurt am Main (DE)
Filed on Jan. 30, 2020, as Appl. No. 16/777,509.
Application 16/777,509 is a continuation of application No. 14/903,390, granted, now 10,583,260, previously published as PCT/EP2014/064423, filed on Jul. 7, 2014.
Claims priority of application No. 13175660 (EP), filed on Jul. 9, 2013.
Prior Publication US 2020/0164156 A1, May 28, 2020
Int. Cl. A61M 5/32 (2006.01); A61M 5/20 (2006.01); A61M 5/50 (2006.01)
CPC A61M 5/326 (2013.01) [A61M 5/2033 (2013.01); A61M 5/3204 (2013.01); A61M 2005/2013 (2013.01); A61M 2005/206 (2013.01); A61M 2005/208 (2013.01); A61M 2005/3247 (2013.01); A61M 5/5086 (2013.01); A61M 2205/581 (2013.01); A61M 2205/582 (2013.01); A61M 2205/584 (2013.01)] 15 Claims
OG exemplary drawing
 
1. An auto-injector comprising:
a case adapted to hold a syringe containing a liquid medicament, a stopper being arranged for sealing the syringe proximally and for displacing the liquid medicament through a needle arranged or received at a distal end of the syringe; and
a needle shroud telescoped within the case and movable between an extended position and a retracted position, the needle shroud biased relative to the case toward the extended position by a control spring, wherein the syringe is held in a syringe carrier, and the syringe carrier is slidably arranged within the case;
wherein the syringe carrier comprises a distal portion adapted to hold the syringe and a proximal portion adapted to retain a plunger,
wherein the auto-injector is configured such that the needle shroud is moved towards the extended position relative to the syringe carrier by the control spring, and
wherein the control spring is proximally grounded in the case by direct physical contact to the case.