Patent ID: 9345835
Filing Date: 2016-05-24
CPC Classification: A61M

Claim Text:
1. A device for delivering a medicament, comprising: a cartridge having a first end and a second end and defining a volume therebetween, said volume being adapted to contain the medicament; a driving member having a mating pin and a first end and a second end, said first end being disposed in said cartridge and said second end being disposed outside said cartridge; a spinner directly engaged to said first end of said driving member via said mating pin disposed inside said spinner to secure said spinner to said driving member and allow free rotation between said spinner and said driving member; and a stopper having a substantially frusto-conically shaped cavity mating with said spinner, said stopper slidably disposed in said cartridge volume, said spinner being releasably connected to said stopper such that when said driving member is retracted from said cartridge said stopper is disengaged from said spinner and remains in said cartridge volume.