Patent ID: 9592341
Date: 2017-03-14
CPC Classifications: A61M

Claim:
1. An arrangement for use in a drug delivery device comprising a cartridge holder, the cartridge holder comprising a sidewall with an outer surface and comprising a distal face with a first opening, wherein an outer thread extends along the outer surface near a distal end of the cartridge holder, a needle holder comprising a separate first intermediate element and a second intermediate element, the second intermediate element having a proximal end face and a second opening at a proximal end to receive the distal end of the cartridge holder, wherein the proximal end of the needle holder comprises a sidewall that defines an inner surface, wherein an inner thread extends along the needle holder inner surface, and the separate first intermediate element having the same shape and size as the first opening, being positioned in the opening and held in place when the needle holder is threadedly engaged with cartridge holder such that the proximal end face of the second intermediate element abuts the first intermediate element causing the first intermediate element to abut and form a stabilizing support for a septum located at a distal end of a medicament cartridge when the medicament cartridge is positioned within the cartridge holder, the abutting first intermediate element forming a closed surface adjacent the distal end of the cartridge holder.