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US Patent 4720866 - Computerized stethoscopic analysis system and method

US Patent Issued on January 19, 1988
Estimated Patent Expiration Date: Icon_subject September 20, 2005Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
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Abstract

This invention relates in general to a method and apparatus for identifying specific medical conditions from detected stethoscopic sounds. More particularly, the invention relates to the processing of such sounds electronically and the display of the time-variations of the spectral composition of such sounds. The invention is embodied in an accessory package designed to enable a host computer to perform computerized stethoscopic analysis.

Other References

  • Blinowska, et al., "Computer Analysis of Frequency Spectrum . . . ", Medical & Biol. Engineering and Computing, vol. 17, Mar. 1979, pp. 207-210
  • "Use Voiceprints to Analyze Speech" by Steve Ciarcia, Glastonbury, CT 06033, BYTE Publications, Inc., Mar. 1982, pp. 50-64

Inventors

Assignee

Application

No. 06/778524 filed on 09/20/1985

US Classes:

381/67, STETHOSCOPES, ELECTRICAL600/522Switching means for activating different monitoring systems, signal displays, or signal recorders

Field of Search

381/67, STETHOSCOPES, ELECTRICAL381/58MONITORING/MEASURING OF AUDIO DEVICES

Examiners

Primary: Ng, Jin F.
Assistant: Schroeder, L. C.

Attorney, Agent or Firm

US Patent References

1686504, 2356262, 2400662, 3122208, 3396241, 3409737, 3651798, 3790712, 3930560, Damping element
Issued on: 01/06/1976
Inventor: Carlson ,   et al.
4167223, Mechanically operable acoustic filter
Issued on: 09/11/1979
Inventor: Liesse
4193393, Diagnostic apparatus
Issued on: 03/18/1980
Inventor: Schlager
4220160, Method and apparatus for discrimination and detection of heart sounds
Issued on: 09/02/1980
Inventor: Kimball ,   et al.
4226248, Phonocephalographic device
Issued on: 10/07/1980
Inventor: Manoli
4295471, Non-invasive vascular waveform transducer and apparatus
Issued on: 10/20/1981
Inventor: Kaspari
4362164, Electronic pick-up device for transducing electrical energy and sound energy of the heart
Issued on: 12/07/1982
Inventor: Little ,   et al.
4428381, Monitoring device
Issued on: 01/31/1984
Inventor: Hepp
4483346, Electrocardiograph with digitally-printing waveform display
Issued on: 11/20/1984
Inventor: Slavin
4528689, Sound monitoring apparatus
Issued on: 07/09/1985
Inventor: Katz
4586514Phonoangiographic spectral analysing apparatus
Issued on: 05/06/1986
Inventor: Schlager ,   et al.

International Classes

A61B 7/04 (20060101)
A61B 7/00 (20060101)

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