Pump drive for a medicament delivery device

Abstract

The present disclosure provides a pump drive for a medicament delivery device. The pump drive comprises a pumping arrangement for conveying a medicament along a fluid path as part of a medicament delivery process. The pump drive further comprises a shape memory element configured to change shape according to a temperature thereof, wherein the shape memory element is operatively coupled to the pumping arrangement such that a change of shape of the shape memory element causes the pumping arrangement to convey the medicament along the fluid path. The pump drive further comprises a temperature control arrangement configured to change the temperature of the shape memory element and thereby change the shape of the shape memory element.

Dependencies are inferred from the claim text.