An injection device that self-administers a painless vaccine injections. The injection device (10) can be secured to the patient's skin via a separable base portion (12) of the housing of the device, which can be separated from the device when removing the housing and syringe assemblies for disposal....http://www.google.de/patents/US7896841?utm_source=gb-gplus-sharePatent US7896841 - Injection device for administering a vaccine
