Patent ID: 7294119

Claim:
A method of administering lyophilized drugs, the method comprising providing a syringe barrel including a proximal end being configured to receive a plunger and a stopper, a distal end, and a stopper coupled with the syringe barrel; inserting a reconstitution plunger into the proximal end of the syringe barrel, the reconstitution plunger being configured to be removably coupled with the stopper; aspirating a diluent from a diluent vial; displacing the diluent into a medication vial comprising a medication; mixing the diluent and the medication in the medication vial to form a therapeutic agent; withdrawing the therapeutic agent from the medication vial; and replacing the reconstitution plunger with an administration plunger comprising a radial element and being configured to be coupled with the stopper, wherein the administration plunger has a length smaller than a length of the reconstitution plunger.