Electronic stethoscope

Details Electronic stethoscope Electronic stethoscope

1998-03-17

1999-12-21

Isen, Forester W.

Electrical audio signal processing systems and devices

Stethoscopes, electrical

381 74, 381384, A61B 704

Patent

active

060059516

ABSTRACT:
An electronic stethoscope having several modes of operation to process acoustic signals to provide filtered signals useful for diagnosis. In one mode of operation the stethoscope substantially provides only acoustic signals generated by biological activity of the heart. In another mode of operation, the acoustic stethoscope substantially provides only acoustic signals generated by biological activity of the lungs. In another mode of operation, the electronic stethoscope disproportionately amplifies abnormal heart sounds and normal heart sounds to enhance diagnosis of heart abnormalities. The electronic stethoscope is operated in a manner similar to a conventional acoustic stethoscope and has similar spectral characteristics, thus allowing a user with acoustic stethoscope experience to easily use the electronic stethoscope.

REFERENCES:
International Search Report from PCT application PCT/US96/11978, filed Jul. 19, 1996.

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