Method and system for administering an anaesthetic

A - Human Necessities – 61 – B

Patent

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A61B 5/00 (2006.01) A61B 5/02 (2006.01) A61M 5/172 (2006.01) G08B 21/02 (2006.01) G06F 19/00 (2006.01)

Patent

CA 2711445

A method and system for objectively scoring intra-operative pain during general anaesthesia based on the patient's mean arterial pressure and heart rate. The index is used for closed-loop control of the intra-operative analgesia through adjustment of the drug infusion level according to fuzzy logic. It is further displayed along with other components of anaesthesia and important patient data on a monitoring display for presentation to medical staff.

La présente invention concerne un procédé et un système permettant de définir de manière objective un indice de la douleur peropératoire pendant une anesthésie générale sur la base de la tension artérielle et de la fréquence cardiaque moyennes d'un patient. L'indice est utilisé pour assurer la régulation en boucle fermée de l'analgésie peropératoire grâce au réglage du niveau de perfusion du médicament selon une logique floue. Il est en outre affiché avec d'autres composants d'anesthésie et les données importantes du patient sur un écran de surveillance visionné par le personnel médical.

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