专利名称：APPARATUS FOR USING AN OPTICAL
HEMODYNAMIC SENSOR TO IDENTIFY ANUNSTABLE ARRHYTHMIA
发明人：BHUNIA, Sourav,OLSON, Walter H.,CINBIS,
Can
申请号：EP07758432.4申请日：20070313公开号：EP2001356B1公开日：20120516
摘要：A medical device identifies a hemodynamically unstable arrhythmia based uponoptical hemodynamic sensor signals. The optical hemodynamic sensor includes a lightsource for transmitting light corresponding to first and second wavelengths through ablood perfused tissue of a patient and a light detector for generating optical signalscorresponding to an intensity of the detected light at the first and second wavelengths.At a low motion period for the patient, optical signals are obtained from the opticalhemodynamic sensor and are analyzed to determine a baseline motion level for thepatient. Subsequent signals obtained from the optical hemodynamic sensor arecompared to the baseline motion levels, with only those signals corresponding toperiods where motion does not exceed the baseline level of motion being furtheranalyzed to determine if they are consistent with a hemodynamically unstablearrhythmia.
申请人：MEDTRONIC INC
地址：US
国籍：US
代理机构：Hughes, Andrea Michelle
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