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Method of using a diagnostic apparatus for functional examination of a human circulatory organ system

  • US 5,492,127 A
  • Filed: 07/18/1994
  • Issued: 02/20/1996
  • Est. Priority Date: 08/31/1989
  • Status: Expired due to Term
First Claim
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1. A method for functional examination of a human body'"'"'s circulatory system comprising:

  • A. providing a diagnostic system for functional examination of a circulatory system which is comprised of at least a sensor means having three microphones for sensing the pulse present at three different body points, a band pass filter means for receiving the pulse signals from the microphones and filtering out the components which are outside of a predetermined frequency band ranging from 14 Hz to 37 Hz and having a peak frequency in the order of 20 Hz for producing filtered output signals, and a display means connected to the filter means for receiving the filtered output signals, and displaying the filtered output signals as visible graphs;

    B. placing each of the microphones of the sensor means on a different one of three wrist points to detect the pulses at the points, each microphone placed to detect vibrations of the human body which are generated by a pulsation of the heart, the points consisting of Point 1 (sun), Point 2 (seki or kan), Point 3 (shaku), which are portions of an antebrachial bone of an arm;

    C. presenting the microphone output signals to the band pass filter means to filter out components outside of a frequency band ranging from 14 Hz to 37 Hz, of which the peak frequency is in the order of 20 Hz to modify the wave form presentation of the microphone output signals;

    D. presenting the output signals of the band pass filter means to the display means to display the modified wave form from each filtered output signal, which exhibits a positive pulse peak point H1 and a negative pulse peak point H2 which are clearly distinguishable in the visible graph andE. comparing the peak amplitudes of H1 and H2 to provide an indication of the condition of the circulatory system.

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