An injection device is provided. The device includes a housing having a first end defining a first opening. A plunger is received within the first opening of the housing to move between first and second positions. A cartridge is disposed in the housing and has an interior serving as a reservoir for a...http://www.google.ca/patents/US20040133159?utm_source=gb-gplus-sharePatent US20040133159 - Disposable injection device
