Automatic injection device

摘要

AUTOMATIC INJECTION DEVICE The invention provides an automatic injection device (10) for providing a subcutaneous injection of a substance into a user, comprising a housing (12); a syringe (50) movably disposed in the housing, the syringe including a barrel portion (53) for holding the substance; a hollow needle (55); a bung (54); a plunger (70) for moving the syringe such that the needle projects from the housing and for subsequently applying pressure to the bung; a compressible expanded central portion (76); a flange; and a biasing mechanism. The present invention also provides methods and kits for using an automatic injection device, and methods and kits for promoting an automatic injection device comprising a medication based on advantageous properties of the device as compared to a pre-filled syringe. The invention also provides methods and kits for training a recipient on use of the automatic injection device.