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PROGRAMMABLE ELECTRONIC STETHOSCOPE DEVICES, ALGORITHMS, SYSTEMS, AND METHODS
专利权人:
The Johns Hopkins University
发明人:
Dimitra Emmanouilidou,James E. West,Mounya Elhilali,Ian Mclane
申请号:
US15772454
公开号:
US20180317876A1
申请日:
2016.10.31
申请国别(地区):
US
年份:
2018
代理人:
摘要:
A digital electronic stethoscope includes an acoustic sensor assembly that includes a body sensor portion and an ambient sensor portion, the body sensor portion being configured to make acoustically coupled contact with a subject while the ambient sensor portion is configured to face away from the body sensor portion so as to capture environmental noise proximate the body sensor portion; a signal processor and data storage system configured to communicate with the acoustic sensor assembly so as to receive detection signals therefrom, the detection signals including an auscultation signal comprising body target sound and a noise signal; and an output device configured to communicate with the signal processor and data storage system to provide at least one of an output signal or information derived from the output signal. The signal processor and data storage system includes a noise reduction system that removes both stationary noise and non-stationary noise from the detection signal to provide a clean auscultation signal substantially free of distortions. The signal processor and data storage system further includes an auscultation sound classification system configured to receive the clean auscultation signal and provide a classification thereof as at least one of a normal breath sound or an abnormal breath sound.
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中国工程科技知识中心
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