Patent ID: 8923961

Claim:
A system for motivating at least one therapeutic agent through an ocular membrane of a subject, said system comprising: a cover electrode member having oppositely first and second surfaces, said second surface including an electrically-conductive portion that is electrically connectable to a signal source; a contact electrode assembly in electrical communication with said cover electrode member, said contact electrode assembly comprising: a flexible dielectric layer having oppositely disposed first and second surfaces; a second electrode portion disposed on said first surface of said dielectric layer; a third electrode portion disposed on a portion of said second surface of said dielectric layer, said third electrode portion comprising an interdigitated electrode that includes: a first comb-shaped portion defining a first plurality of fingers; and a second comb-shaped portion defining a second plurality of fingers; and a medicament layer including the at least one therapeutic agent, said medicament layer being disposed on a first surface of said second electrode portion; wherein each of said first electrode portion, said second electrode portion, said first comb-shaped portion, and said second comb-shaped portion is electrically connectable to a signal source.