Device for measuring electrophysiological data with improved reliability

An electrophysiological data reading device comprising:

• a series of electrodes adapted for placement in contact with skin of an individual;
• a control circuit comprising a DC voltage source, the control circuit being connected to the electrodes and operably selectively applying an active pair of the electrodes with a DC square voltage, and the control circuit operably connecting at least one other electrode of a high impedance series;
• a measuring circuit operably measuring a potential of the electrodes of the series and a current flowing through at east one of the active electrodes;
• a first base integrating the control circuit and the measuring circuit, and the first base further comprises a housing adapted to removably receive a first electrode assembly including at least one of the electrodes of the series so as to selectively connect or disconnect the electrodes of the series and the measuring circuit;
• wherein the first base further comprises an infrared sensor adapted to measure the temperature of at least one electrode of the first electrode assembly.

An electrophysiological analysis method implemented by a system in which an electrode assembly comprises an RFID chip having in memory a maximum number of uses and a number of uses already done, the method comprising:

• (a) testing a usability of electrodes, the testing comprising reading the maximum number of uses and the number of uses already done, and producing a positive test result whenever the number of uses of the electrodes already done is strictly lower than the maximum number of uses;
• (b) whenever the positive test is produced, implementing an electrophysiological analysis protocol comprising:
• (i) applying to an active pair of the electrodes a DC square voltage and connecting at least one other high impedance electrode;
• (ii) reading of a current flowing through at least one of the active electrodes and of a potential of at least one of the electrodes;
• and
• (iii) on the basis of the data, determining at least one electrochemical conductance value of a patient's skin.