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US 2010/0249705 A1Published application
One Shot Injector with Dual Springs
AssigneeSHL Group AB
InventorVictor Kronestedt
Life of this patent
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Abstract
The present invention relates to a medical delivery device comprising a generally elongated housing, a container containing medicament to be delivered, a drive means capable of acting on said container for expelling said medicament, wherein said drive means comprises at least two force spring means arranged between a fixed part of the device and a movable part of the device.
Claims16
-7. (canceled)
A medical delivery device, comprising:
- a generally elongated housing;
- a container adapted to contain medicament and a stopper sealingly and slidably arranged inside the container;
- an energy accumulator;
- and
- a drive mechanism arranged with an outer front end in contact with the stopper, such that, when a force from the energy accumulator is applied to the drive mechanism, the stopper moves toward the front end of the container and expels the medicament;
- wherein the energy accumulator includes at least two force spring devices arranged inside the drive mechanism between inner walls of the driving mechanism and a rear fixed part of the delivery device.
3 more elements
Dependencies are inferred from the claim text.