Importance

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Abstract

The invention relates to a portable pump device and a cartridge therefore. The cartridge comprises a first reservoir for a flowable drug provided in combination with a second reservoir comprising a pump liquid, a pump chamber being associated with the first reservoir and adapted to receive the pump liquid in order to expel drug from the first reservoir. In a first aspect, the reservoirs of the system may be provided as a disposable cartridge unit to be combined with a further unit to form an delivery device, the delivery device as a whole comprising the pump means for pumping the pump liquid from the second reservoir to the pump chamber, control means for controlling the action of the pump means, and an energy reservoir for energizing the pump means as well as the control means, however, one or more of these components may be incorporated in the disposable cartridge.

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First Claim