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1. (WO2018204858) SYSTEMS AND SURGICAL TECHNIQUES FOR MONITORING NERVE STATUS

Pub. No.:    WO/2018/204858    International Application No.:    PCT/US2018/031210
Publication Date: Fri Nov 09 00:59:59 CET 2018 International Filing Date: Sat May 05 01:59:59 CEST 2018
IPC: A61B 5/05
A61N 1/36
Applicants: GARCIA-BENGOCHEA, Javier
Inventors: GARCIA-BENGOCHEA, Javier
Title: SYSTEMS AND SURGICAL TECHNIQUES FOR MONITORING NERVE STATUS
Abstract:
A method for monitoring nerve tissue status during a surgical procedure using a monitoring system that includes a stimulating electrode and a sensing electrode each positioned in proximity to a nerve of a patient. Each electrode may be mono- or bi- polar. A first electrical stimulus is applied by the stimulating electrode and received by the sensing electrode. A monitoring unit determines a first transit time for the first stimulus. A second electrical stimulus is applied by the stimulating electrode and received by the sensing electrode. The monitoring unit determines a second transit time for the second stimulus. The monitoring unit then notifies a user if the second transit time is greater than the first transit time by a predetermined threshold, which may indicate degradation in nerve performance.