Importance

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Abstract

An infusion apparatus for delivering medication includes a housing, a drive device, a product container, and a battery compartment with a battery compartment lid having a plastic part and a metal cap. The plastic part is electrically non-conductive and the metal cap includes a proximal surface facing the plastic part and a distal surface facing an interior of the battery compartment. The metal cap includes through-holes and the plastic part includes protrusions extending through the through-holes to form an arrangement in which a first terminal of a battery positioned in the battery compartment can contact the distal surface of the metal cap, resulting in electrical contact between the metal cap and the first terminal, and in which a second terminal of the battery positioned in the battery compartment contacts the arrangement to prevent electrical contact to prevent reverse poling of the battery by reverse battery insertion into the battery compartment.

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First Claim