Abstract: A spring force assembly for biasing a displaceable stopper of a liquid medicament cartridge including a spring element arranged along a longitudinal axis, with brace elements and coupling elements, with the coupling elements restricting the distance between the brace elements which also restricts the possible expansion of the spring element.
August 22, 2014
Date of Patent:
June 8, 2021
ROCHE DIABETES CARE, INC.
Hanspeter Niklaus, Florian Schaad, David Teutsch