Patent ID: 6656150
Filing Date: 2003-12-02
Classification: A61M

Abstract:
An automatic injection device containing a pre-loaded charge of medicament for automatically self-administering the medicament upon actuation thereof, said automatic injection device comprising:a housing assembly; a dry compartment located within the housing for storing a predetermined dry charge of dry medicament therein; a wet compartment located within the housing for storing a predetermined amount of liquid injection solution therein; an activation assembly for pressurizing the liquid injection solution in the wet compartment, wherein the activation assembly permits passage of the liquid injection solution from the wet compartment to the dry compartment upon activation of the automatic injection device; and a needle assembly for dispensing the liquid injection solution containing the medicament dissolved therein, wherein the activation assembly includes a drive assembly, whereby upon actuation of the activation assembly, the drive assembly releases a stored source of energy for causing the liquid injection solution in the wet compartment to be transferred to the dry compartment and the liquid injection solution containing the medicament to be dispensed through the needle assembly.