Patent ID: 9402951
Filing Date: 2016-08-02
CPC Classification: A61M

Claim Text:
1. An infusion pump device comprising a primary reservoir for a liquid medicament, a pump with a secondary reservoir to retrieve the liquid medicament from the primary reservoir and to subsequently dose the liquid medicament from the secondary reservoir in one or more portions of adjustable volume (V dose,i ) to a downstream conduit, and a control unit to control the operation of the infusion pump device, wherein for metering the multitude of portions (V dose,i ) the control unit causes the infusion pump device to carry out the following steps: filling the secondary reservoir with the liquid medicament from the primary reservoir to a certain adjustable refill level (V metering and conveying at certain points in time (t if the secondary reservoir becomes empty, refilling the secondary reservoir and continuing with metering and conveying; wherein the control unit on a regular basis determines a maximum refill level (V