Back to results
US 2014/0276448 A1Published application
Autoinjector
AssigneeSanofi-Aventis Deutschland GmbH
InventorsStephan Muller-Pathle, Philippe Nzike, Axel Roth
Life of this patent
Estimating the term…
Abstract
Described is an autoinjector comprising a spring holder, a guide cylinder releasably coupled to the spring holder, a drive assembly releasably coupled to the spring holder, a drive spring adapted to apply a force on the drive assembly, and a penetration spring adapted to apply a force on the guide cylinder. The guide cylinder is adapted to accommodate a syringe having a plunger. The drive assembly is coupled to the guide cylinder and adapted to engage the plunger.
Claims17
1-16. (canceled)
An autoinjector comprising:
- a spring holder;
- a guide cylinder releasably coupled to the spring holder, the guide cylinder adapted to accommodate a syringe having a plunger;
- a drive assembly releasably coupled to the spring holder, the drive assembly coupled to the guide cylinder and adapted to engage the plunger;
- a drive spring adapted to apply a force on the drive assembly;
- and
- a penetration spring adapted to apply a force on the guide cylinder.
3 more elements
Dependencies are inferred from the claim text.