Patent ID: 9623184
Date: 2017-04-18
CPC Classifications: A61J,A61M,B65B,Y10T

Claim:
1. A cartridge for containing and dispensing a medicament, the cartridge comprising: a cartridge body having an interior cavity therein; a stopper movably disposed within the interior cavity; a septum disposed at an opposite end of the interior cavity from the stopper for containing a medicament within the interior cavity; a connection thread integrally formed as a unitary construction with the cartridge body, the thread being disposed at a first end of the cartridge body for connecting a pen needle directly to the cartridge body to pierce the septum and provide communication between the medicament and a patient end of the pen needle; and a connector for directly connecting the cartridge body to a dosing mechanism for moving the stopper toward the septum to dispense the medicament, wherein the cartridge body comprises at least one passageway for venting the interior cavity during lyophilization when the stopper is partially inserted into the interior cavity, the at least one passageway comprising a slot recessed from a surface of the interior cavity, the slot axially extending from a second end of the cartridge body opposite to the first end and having an axial length less than that of the stopper.