US 12,420,017 B1
Damping device for a medicament delivery device
Alexander Hee-Hanson, Melbourn (GB); Thomas Lever, Melbourn (GB); Michael Parrott, Melbourn (GB); Robert Wilson, Melbourn (GB); and Haiming Wu, Cambridge, MA (US)
Assigned to Genzyme Corporation, Cambridge, MA (US)
Filed by Genzyme Corporation, Cambridge, MA (US)
Filed on Feb. 26, 2025, as Appl. No. 19/063,656.
Int. Cl. A61M 5/20 (2006.01); A61M 5/32 (2006.01); A61M 5/31 (2006.01)
CPC A61M 5/2033 (2013.01) [A61M 5/3202 (2013.01); A61M 5/3243 (2013.01); A61M 2005/2073 (2013.01); A61M 2005/3143 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A damping device for a medicament delivery device, comprising:
a generally cylindrical first collar;
a housing comprising a generally annular cavity configured to receive at least a portion of the first collar;
wherein the first collar is configured to be rotatable relative to the housing about a central longitudinal axis of the damping device, and wherein the cavity is configured to contain a fluid for impeding rotational movement of the first collar relative to the housing; and
a sealing arrangement configured to fluidly seal an interface between the housing and the first collar.