Apparatus and method for intraoperative neural monitoring

A - Human Necessities – 61 – B

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A61B 5/04 (2006.01) A61B 5/0488 (2006.01) A61N 1/36 (2006.01)

Patent

CA 2516443

An intraoperative neural monitoring system includes a power source and a simulator powered by the power source to deliver a cycle of electrical stimulation to a patient as a first group of positive or negative phase pulses automatically followed by a second group of pulses of opposite phase or polarity to the pulses of the first group. An activation performed to initiate delivery of the first group of pulses is effective to deliver the entire cycle of stimulation. A method of intraoperative neural monitoring involves activating a simulator to deliver a biphasic cycle of electrical stimulation to a patient during an operative procedure, delivering the entire cycle of electrical stimulation to the patient in response to the activating step and detecting EMG activity in the patient.

L'invention concerne un système de monitorage neural peropératoire qui comprend une source d'alimentation et un simulateur alimenté par la source d'alimentation afin d'administrer un cycle de stimulation électrique à un patient sous forme d'un premier groupe d'impulsions à phases positives ou négatives automatiquement suivie par un second groupe d'impulsions à phase ou à polarité opposée par rapport aux impulsions du premier groupe. Une activation effectuée pour initier l'administration du premier groupe d'impulsions permet d'administrer efficacement tout le cycle de stimulation. Un procédé de monitorage neural peropératoire consiste à activer un simulateur pour administrer un cycle biphasique de stimulation électrique à un patient pendant une intervention chirurgicale, à administrer tout le cycle de stimulation électrique au patient en réponse à l'étape d'activation et à détecter une activité électromyographique chez le patient.

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