一种测量膝关节声音的方法

Proceedings of the 1991 IEEE Seventeenth Annual Northeast Bioengineering Conference Pub Date : 1991-04-04 DOI:10.1109/NEBC.1991.154619

K. A. Burnham, M.A. Westwell, M.S. Perry, A. Hoffman, R. Long

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引用次数: 1

摘要

设计了一种无创实验来检测和记录膝盖的声音，并将它们与背景噪音隔离开来。实验系统包括麦克风、差分放大器和信号分析仪。从正常对侧膝盖发出的声音被用作控制信号。结果表明，损伤膝关节的频谱与正常对侧膝关节的频谱明显不同

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Development of a method to measure knee joint sounds

A noninvasive experiment is designed to detect and record knee sounds and isolate them from background noise. The experimental system includes the use of microphones, a differential amplifier, and a signal analyzer. Sound emitted from a normal contralateral knee is used as a control signal. Results show that the frequency spectrum from an injured knee is significantly different from the normal contralateral knee.<>

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Proceedings of the 1991 IEEE Seventeenth Annual Northeast Bioengineering Conference

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