Damping device for a medicament delivery device
AssigneeGenzyme Corporation
InventorsAlexander Hee-Hanson, Thomas Lever, Michael Parrott, Robert Wilson, Haiming Wu
Life of this patent
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Abstract
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.
Claims20
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.
A medicament delivery device comprising:
- a damping 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.
Dependencies are inferred from the claim text.