Importance

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Abstract

An apparatus to monitor current density in the application of medicament to a treatment site of a mammalian user of a electrokinetic device including: an applicator cartridge including an active electrode, a matrix carrying a medicament or a medicament and an electrically conductive carrier; a device including an electrical power source connectable to the active electrode, a counter electrode, and an electronic circuit configured to control the application of electrical current through the active electrode to establish a conductive path extending from the power source, through the active electrode, matrix, the treatment site, the user and the counter electrode electrically connected to the power source, and an array of contacts monitoring current density flowing through the matrix and to the treatment site, wherein the array of sensors are arranged monitor the current density at various locations of the matrix and a contact area between the matrix and skin above the treatment site.

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First Claim