Method and apparatus for monitoring the autonomous nervous...

Details Method and apparatus for monitoring the autonomous nervous... Method and apparatus for monitoring the autonomous nervous...

A - Human Necessities

61

B

A61B 5/053 (2006.01) A61B 5/11 (2006.01)

Patent

CA 2483903

The invention relates to a method and an apparatus for monitoring the autonomous nervous system of a sedated patient. According to the method, skin conductance is measured through a time interval. Average skin conductance values and the number of fluctuation peaks are in the interval are calculated and analyzed, and an indication is given of the state of pain/discomfort in the patient as well as the state of awakening in the patient. The invention is particularly applicable for use with anaesthetized or artificially ventilated patents, as separate output signals are automatically provided, indicating the need for analgesics and hypnotics, respectively.

L'invention concerne un procédé et un appareil pour surveiller le système nerveux autonome d'un patient sous sédatifs. Selon l'invention, la conductivité de la peau est mesurée avec des intervalles. Les valeurs moyennes de la conductivité de la peau et le nombre de fluctuations de crêtes dans l'intervalle sont calculés et analysés, et une indication est donnée sur l'inconfort / la douleur éprouvés par le patient, ainsi que sur l'état de veille du patient. L'invention peut s'utiliser tout particulièrement avec des patients sous anesthésie ou sous ventilation artificielle à mesure que les signaux de sortie sont émis automatiquement pour indiquer le besoin en analgésiques ou en hypnotiques, respectivement.

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