Objective TCI (Target-contolled Infusion, TCI) and BIS (Bispectral Index, BIS) is the great advance in the field of total intravenous anaesthesia and the monitoring of the depth of anaesthesia.

• 目的:靶控输注(Target controlled infusion,TCI)和脑电双频指数(Bispectral index,BIS)监测分别是近年来静脉全麻和麻醉深度监测领域的重大变革。