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SYSTEM AND METHOD FOR ESTIMATING THE BLOOD VOLUME IN THE BRAIN AND / OR THE BLOOD FLOW IN THE BRAIN AND / OR THE DEPTH OF ANESTHESIA IN A PATIENT
SYSTEM AND METHOD FOR ESTIMATING THE BLOOD VOLUME IN THE BRAIN AND / OR THE BLOOD FLOW IN THE BRAIN AND / OR THE DEPTH OF ANESTHESIA IN A PATIENT
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机译:用于估计患者中的血量和/或患者中的血流和/或患者的麻醉深度的系统和方法
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摘要
the present invention relates to a system (1) for estimating blood volume in the brain and / or blood flow in the brain and / or the depth of a patient's anesthesia, comprising at least one excitation electrode (110e) to be arranged on a patient's head (20) to apply an excitation signal, at least one reading electrode (110s) to be arranged on the patient's head (20) to read a signal measurement caused by the excitation signal, and a processor device (12) to process said measurement signal (vc) read by at least one reading electrode (110s) to determine an indicative output of blood volume in the brain and / or of blood flow in the brain. here, the processor device (12) is constituted to reduce noise in the measurement signal (vc) by applying a non-linear noise reduction algorithm. thus a system for estimating blood volume in the brain and / or blood flow in a patient's brain is provided which can lead to greater precision and thereby more accurate estimates.
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