Examples are provided for conducting an extractor that assembles a protective Needle safely in a distal Innovative hamper made an automatic injection device with one or more protective and cool to a syringe Needle of the device.When a user takes the distal extractor Hood, The Protector of Needles removed Safely The Protectors of the syringe Needles, stating that the injection needle for injection.In a method for mounting such an extractor, a protective needle is assembled with a Needle Shield is assembled with a Needle attached to a syringe Protector and mounting the pump Protector of needles in a Housing of the device.This method allows the mounting of Visual Inspection, outside the Housing of the device, ensure that the water pump protector FITS correctly and Safely with the Protector of the syringe and Needles before mounting the pump Needle protector Is included in the accommodation.