Stéphane Bibian,Tatjana Zikov,Guy Albert Dumont,Craig Robert Ries,Ernest Puil,Hossain Cyrus Ahmadi,Mihai Huzmezan,Bernard Ansell Macleod
申请号：
US12584083
公开号：
US08798735B1
申请日:
2009.08.31
申请国别(地区):
US
年份:
2014
代理人:
摘要：
A method and apparatus to monitor the neurologic state of a patient undergoing general anesthesia is provided. Previous automated systems to monitor the neurologic state of a patient undergoing general anesthesia involve a significant time delay between the patients true hypnotic state and the computed indices. The present invention reduces this time delay by using a different analysis technique applied to spontaneous EEG. A wavelet decomposition and statistical analysis of the observed EEG is conducted and compared to reference data to provide a numerical indicator. In addition, this indicator is more consistent with the patients loss of consciousness indicated by the loss of count event than previous systems.
