SELECTABLE SINGLE DOSE AUTO-INJECTOR AND METHODS OF MAKING AND USING SAME

摘要

An auto-injector device for administering a liquid pharmaceutical composition, in which an end-user can select between doses that the device is capable of delivering. The end-user choices that translate into the selected doses can be based on end-user perceived severity of symptoms, end-user weight and other such factors. In some embodiments the auto-injector is configured to administer the one chosen dose only. In other embodiments, the auto-injector can deliver second and subsequent doses up to full dose of the pharmaceutical composition disposed in the injector. The auto-injector can provide visual, audio, and tactile feedback, alone or in combination, to the user to indicate the dose selected, instructions for use, and when the dose has been administered.

主权项

1. A method of treating a headache comprising:
choosing from among a higher dose and a lower dose of an active agent useful for treating a headache; actuating a single selectable dose, self-contained, auto-injector capable of delivering either a single higher or single lower dose and containing a predetermined volume of a liquid containing the active agent at a fixed concentration, such that it will deliver either substantially the entire volume of liquid containing the active agent to provide the higher dose of the active agent or a lesser volume thereof sufficient to provide the lower dose of the active agent; and delivering the one of the higher or the lower dose of the active agent into to a patient suffering from a headache.