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1. 发明申请

WO1998010701A1 ANAESTHESIA CONTROL SYSTEM 审中-公开
标题翻译：麻醉控制系统
公开(公告)号：WO1998010701A1
公开(公告)日：1998-03-19
申请号：PCT/GB1997002435
申请日：1997-09-10
申请人： THE UNIVERSITY COURT OF THE UNIVERSITY OF GLASGOW , MANTZARIDIS, Haralambos , KENNY, Gavin, Nicholson, Cleghorn
发明人： THE UNIVERSITY COURT OF THE UNIVERSITY OF GLASGOW
IPC分类号： A61B05/11
CPC分类号： A61B5/4821 , A61B5/1106 , A61B5/6814 , A61B5/7239 , A61B2505/05
摘要： An anaesthesia control system and a method of calculating an index representative of the depth of anaesthesia is disclosed. The method comprises subjecting a patient to a repetitive audio stimulus and monitoring auditory evoked potentials (AEP) produced by the patient and then recording these auditory evoked potentials using EEG recording means and providing a signal corresponding to the coarseness of the monitored AEP signal and using this signal as an index indicative of anaesthetic depth. The raw AEP signal is divided into a series of sweeps and each sweep is synchronised with the repetitive audio stimulus and sweeps are recorded in sequence to produce a time averaged sweep from which the anaesthetic index is calculated. The anaesthetic index is constantly updated by repeatedly conducting a successive series of sweeps. The system and index signal can be used as part of an anaesthesia control system for regulating the supply of anaesthetic to the patient to maintain the anaesthetic index at a predetermined level.
摘要翻译：公开了一种麻醉控制系统和计算代表麻醉深度的指标的方法。该方法包括使患者接受由患者产生的重复音频刺激和监测听觉诱发电位（AEP），然后使用EEG记录装置记录这些听觉诱发电位，并提供对应于所监测的AEP信号的粗糙度的信号并使用该信号信号作为指示麻醉深度的指标。原始AEP信号被分成一系列扫描，并且每个扫描与重复的音频刺激同步，并且依次记录扫描以产生计算麻醉指数的时间平均扫描。麻醉指数不断更新，重复进行连续的扫描。系统和指标信号可以用作麻醉控制系统的一部分，用于调节向患者供应麻醉剂以将麻醉指数维持在预定水平。

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