An injector is automatic in that the needle is inserted into the injection site (e.g., a patient's skin) with user or caregiver assistance, the delivery is automatically initiated upon needle insertion, and the needle is retracted automatically after the end of delivery. Preferably the needle is not...http://www.google.com/patents/US20070112310?utm_source=gb-gplus-sharePatent US20070112310 - Injecting apparatus
