Patent ID: 8788031

Claim:
A method for iontophoretically administering a medicament to a patient using an electrode assembly, the method comprising the steps of: releasing a fluid from a fluid reservoir into a medicament container associated with an electrode assembly; separating the electrode assembly from the fluid reservoir by removing the electrode assembly from a tray assembly and retaining the fluid reservoir in the tray assembly; applying the electrode assembly to a surface of a patient, wherein the electrode assembly comprises an active electrode configured to create an electric field between the active electrode and at least two passive electrodes, the step of applying comprising: placing the active electrode on the surface of a patient spaced apart from the at least two passive electrodes, and placing the at least two passive electrodes on the surface of a patient such that the passive electrodes are spaced apart from one another; and applying an electrical potential that extends simultaneously across the active electrode, the surface of the skin, and the at least two passive electrodes, thereby driving the impregnated medicament from the container and into the skin.