Automatic drug infusion device that audibly displays the infusion progress

摘要

An automatic medication injection device that provides a user with audible notice of injecting progress. The device in one form includes a plurality of sound elements located on drive mechanism portion that inserts within a barrel of a container of medication to advance a sealing plunger of that container. The device also includes at least one actuating element movable axially with the container of medication within the device housing, which at least one actuating is element arranged to engage the plurality of sound elements to generate audible notices as the advancing portion moves past the at least one actuating element when advancing the sealing plunger for an injection.