Auscultation augmentation device

Details Auscultation augmentation device Auscultation augmentation device

1996-02-26

1998-09-22

Isen, Forester W.

Electrical audio signal processing systems and devices

Stethoscopes, electrical

381 716, 381 717, A61B 704

Patent

active

058126783

ABSTRACT:
A noise-canceling biological sound monitoring system provides electronic noise cancellation at the pickup head by using a primary transducer to sense anatomy sounds and a secondary sensor as a noise monitor. The system philosophy emphasizes the capability to provide the medical practitioner with an improved signal-to-noise ratio while at the same time maintaining the character of the sound to which the practitioner is accustomed. Various embodiments of the system include a device for use as an amplifying aid with conventional stethoscopes and a system which provides telemetry of sound to a remote receiver for listening, analysis or recording.

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patent: 4845751 (1989-07-01), Schwab
patent: 4847903 (1989-07-01), Schotz
patent: 4981139 (1991-01-01), Pfohl
patent: 5375174 (1994-12-01), Denenberg
patent: 5492129 (1996-02-01), Greenberger
patent: 5539705 (1996-07-01), Akerman et al.
patent: 5539831 (1996-07-01), Harley
patent: 5550902 (1996-08-01), Abbruscato

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