Patent ID: 11904143
Assignee: AMGEN INC.
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 14:
15. The actuating mechanism of claim 14, wherein the damper mechanism comprises at least one of (a) through (e): (a) a viscous material disposed between a portion of the plunger rod guide and the housing, (b) a sealed or unsealed chamber formed between a portion of the plunger rod guide and the housing, (c) a deformation region adapted to at least partially deform as the plunger assembly advances towards the syringe barrel, (d) a rotating damping assembly disposed between the plunger rod guide and the plunger assembly, or (e) a viscous material disposed between at least one of a portion of the plunger rod guide, the plunger rod, the frame member and the housing.