A shielded, sterile, single-use unit dose needle assembly includes a unit dose needle with a hub and two packaging shields sealingly mated to one another encasing the hub and unit dose needle. The unit dose needle has a handle end and a patient end configured to hold a unit dose of a vaccine. The hub...http://www.google.de/patents/US20030125678?utm_source=gb-gplus-sharePatent US20030125678 - Medical needle assemblies
