Vástago del émbolo para un recipiente

摘要

A piston rod for an injection device, including first and second legs, each leg being foldable on itself and including a proximal region. The piston rod is capable of transitioning from a folded position to an unfolded position, and includes a mechanism for coupling the proximal regions of the legs when the piston rod is in the unfolded position. The invention also relates to a kit which includes the piston rod.