Apparatus for detecting the presence of electrically conductive fluids, including urine and other body fluids such as exudate from wounds, includes spaced-apart electrodes (44, 46, 96, 98) covered by absorbent material (58, 106, 108, 126, 128), together with a housing (30, 86, 154) containing a signaling...http://www.google.com.au/patents/US5557263?utm_source=gb-gplus-sharePatent US5557263 - System for detection of electrically conductive fluids
