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(A) Picture of a perforated multielectrode sensor array placed on the wound localised on the calf. (B) The circular shaped electrodes localised in the centre are in contact with the wound or skin, and are encircled by four larger counter electrodes, which must always be on intact skin. (C) Presentation of measurement results as a graphic impedance map: a screenshot of a mobile application. The blue colour represents intact skin, and red or yellow describes the wound area.
