Patent ID: 8827976

Claim:
System for ambulatory drug infusion of a liquid drug over an extended time period, the system comprising: an ambulatory infusion apparatus, in which the infusion apparatus comprises: a flexible container comprising a rigid portion and a flexible portion that are coupled to one another and define a fluidic reservoir for containing the liquid drug, wherein the rigid portion of the flexible container is coupled to a top or cover made from a flexible foil sheet and a fluidic connector, the flexible container defining a filling volume therein for receiving the liquid drug, and the fluidic connector for fluidically connecting and filling the filling volume of the flexible container with the liquid drug, a dosing unit in fluidic connection with the filling volume of the flexible container via the fluidic connector, and an electronic controller unit configured to control operation of the dosing unit; and a filling apparatus for the flexible container, in which the filling apparatus comprises a hollow support structure defining a container compartment, the container compartment being adapted to receive, fully or in part, the flexible container, and the hollow support structure further comprising a first support element and a second support element, the first support element and the second support element being adapted to limit expansion of the flexible container by contacting the flexible foil sheet and the partly rigid container body of the flexible container upon the filling volume of the flexible container being filled by the dosing unit with the liquid drug to a maximum filling volume, wherein a spacer structure is coupled to the first support element and the second support element, the spacer structure adjustably defining a displacement distance between the first support element and the second support element that adjustably defines the maximum filling volume of the flexible container.