Method and apparatus for analyzing organism reaction waveform information, and diagnosing apparatus

• US 20040133121A1
• Filed: 03/04/2004
• Published: 07/08/2004
• Est. Priority Date: 03/01/2001
• Status: Abandoned Application

• Current Assignee: Tamiko Ohkura
• Original Assignee: Tamiko Ohkura
• Inventors: Ohkura, Tamiko
• Application Number:
  US10/468,805
• Publication Number:
  US 20040133121A1
• Time in Patent Office: Days
• US Class Current: 600/547
• CPC Class Codes: A61B 5/0531 Measuring skin impedance

Abstract

A method and apparatus for analyzing response waveform information that are capable of being applied to uses such as a diagnosis on a body, and an apparatus for performing a diagnosis on a body are provided.

The method for analyzing skin response waveform information obtained by measuring skin impedance with a voltage of a predetermined frequency includes: a first step of determining a current value at the start of polarization caused by application of the voltage; a second step of determining a current value after a predetermined amount of time from the start of the polarization; a third step of determining a current value after termination of the polarization (value NT); a fourth step of determining the difference between the current value at the start of the polarization and the current value after the predetermined amount of time from the start of the polarization (value A); a fifth step of determining the difference between the current value after the predetermined amount of time from the start of the polarization and the value NT (value B); and a sixth step of analyzing skin response waveform information by using three values as parameters, the three values being ratios A/B (=value ES) and B/A (=value IS) between the values A and B determined in the fourth and fifth steps respectively, and the value NT.

Claims

1. A method for analyzing bioelectrical response waveform information obtained by measuring bioelectrical impedance with a voltage of a predetermined frequency, the method being characterized by comprising:

a first step of determining a current value at the start of polarization caused by application of the voltage;

a second step of determining a current value after a predetermined amount of time from the start of the polarization;

a third step of determining a current value after termination of the polarization (referred to as value NT hereafter);

a fourth step of determining the difference between the current value at the start of the polarization and the current value after the predetermined amount of time from the start of the polarization (referred to as value A hereafter);

a fifth step of determining the difference between the current value after the predetermined amount of time from the start of the polarization and the value NT (referred to as value B hereafter); and

a sixth step of analyzing bioelectrical response waveform information by using three values as parameters, the three values being ratios A/B (=value ES) and B/A (=value IS) between the values A and B determined in the fourth and fifth steps respectively, and the value NT.

2. The method for analyzing bioelectrical response waveform information according to claim 1, characterized in that, for each of the values ES, IS, and NT, the average of and the ratio between a right value and a left value obtained from waveforms measured separately for the right side and the left side of a body are used.

3. An apparatus for analyzing bioelectrical response waveform information obtained by measuring bioelectrical impedance with a voltage of a predetermined frequency, the apparatus being characterized by comprising:

first means for determining a current value at the start of polarization caused by application of the voltage;

second means for determining a current value after a predetermined amount of time from the start of the polarization;

third means for determining a current value after termination of the polarization (referred to as value NT hereafter);

fourth means for determining the difference between the current value at the start of the polarization and the current value after the predetermined amount of time from the start of the polarization (referred to as value A hereafter);

fifth means for determining the difference between the current value after the predetermined amount of time from the start of the polarization and the value NT (referred to as value B hereafter); and

sixth means for analyzing bioelectrical response waveform information by using three values as parameters, the three values being ratios A/B (=value ES) and B/A (=value IS) between the values A and B determined by the fourth and fifth means respectively, and the value NT.

4. The apparatus for analyzing bioelectrical response waveform information according to claim 3, characterized in that, for each of the values ES, IS, and NT, the average of and the ratio between a right value and a left value obtained from waveforms measured separately for the right side and the left side of a body are used.

5. An apparatus for performing a diagnosis on a body based on bioelectrical response waveform information obtained by measuring skin impedance with a voltage of a predetermined frequency, the apparatus being characterized by comprising:

first means for determining a current value at the start of polarization caused by application of the voltage;

second means for determining a current value after a predetermined amount of time from the start of the polarization;

third means for determining a current value after termination of the polarization (referred to as value NT hereafter);

fourth means for determining the difference between the current value at the start of the polarization and the current value after the predetermined amount of time from the start of the polarization (referred to as value A hereafter);

fifth means for determining the difference between the current value after the predetermined amount of time from the start of the polarization and the value NT (referred to as value B hereafter);

sixth means for analyzing bioelectrical response waveform information by using three values as parameters, the three values being ratios A/B (=value ES) and B/A (=value IS) between the values A and B determined by the fourth and fifth means respectively, and the value NT; and

seventh means for associating medical data (clinical examination data) with a result of analysis of the response waveform information outputted by the sixth means.

6. The apparatus for performing a diagnosis on a body based on bioelectrical response waveform information according to claim 5, characterized in that, for each of the values ES, IS, and NT, the average of and the ratio between a right value and a left value obtained from waveforms measured separately for the right side and the left side of a body are used.

7. A method for analyzing bioelectrical response waveform information obtained by measuring skin impedance with a voltage of a predetermined frequency, the method being characterized by comprising:

a first step of determining a current value at 600 ns after application of the voltage (referred to as value of point P1 hereafter);

a second step of determining a current value at 4 μ

s after application of the voltage (referred to as value of point P2 hereafter);

a third step of determining a current value at 256 μ

s after application of the voltage (referred to as value 256 μ

s=value NT hereafter);

a fourth step of determining the difference between the values P1 and P2 (referred to as value A hereafter);

a fifth step of determining the difference between the values P2 and NT (referred to as value B hereafter); and

a sixth step of analyzing bioelectrical response waveform information by using three values as parameters, the three values being ratios A/B (=value ES) and B/A (=value IS) between the values A and B determined in the fourth and fifth steps respectively, and the value NT.

8. The method for analyzing bioelectrical response waveform information according to claim 7, characterized in that, for each of the values ES, IS, and NT, the average of and the ratio between a right value and a left value obtained from waveforms measured separately for the right side and the left side of a body are used.

9. An apparatus for analyzing bioelectrical response waveform information obtained by measuring skin impedance with a voltage of a predetermined frequency, the apparatus being characterized by comprising:

first means for determining a current value at 600 ns after application of the voltage (referred to as value of point P1 hereafter);

second means for determining a current value at 4 μ

s after application of the voltage (referred to as value of point P2 hereafter);

third means for determining a current value at 256 μ

s after application of the voltage (value NT);

fourth means for determining the difference between the values P1 and P2 (referred to as value A hereafter);

fifth means for determining the difference between the values P2 and NT (referred to as value B hereafter); and

sixth means for analyzing bioelectrical response waveform information by using three values as parameters, the three values being ratios A/B (=value ES) and B/A (=value IS) between the values A and B determined by the fourth and fifth means respectively, and the value NT.

10. The apparatus for analyzing bioelectrical response waveform information according to claim 9, characterized in that, for each of the values ES, IS, and NT, the average of and the ratio between a right value and a left value obtained from waveforms measured separately for the right side and the left side of a body are used.

11. An apparatus for performing a diagnosis on a body based on skin response waveform information obtained by measuring skin impedance with a voltage of a predetermined frequency, the apparatus being characterized by comprising:

first means for determining a current value at 600 ns after application of the voltage (referred to as value of 600 ns=value of Point 1 (P1) hereafter);

second means for determining a current value at 4 μ

s after application of the voltage (referred to as value of 4 μ

s=value of Point 2 (P2) hereafter);

third means for determining a current value at 256 μ

s after application of the voltage (referred to as value of 256 μ

s=value NT hereafter);

fourth means for determining the difference between the values of 600 ns and 4 μ

s (referred to as value A hereafter (value of 600 ns−

value of 4 μ

s=value A));

fifth means for determining the difference between the values of 4 μ

s and 256 μ

s (referred to as value B hereafter (value of 4 μ

s−

value of 256 μ

s=value B));

sixth means for analyzing skin response waveform information by using three values as parameters, the three values being ratios A/B (=value ES) and B/A (=value IS) between the values A and B determined by the respective means, and the value NT; and

seventh means for associating medical data (clinical examination data) with a result of analysis of the response waveform information outputted by the sixth means.

12. The apparatus for performing a diagnosis on a body based on bioelectrical response waveform information according to claim 11, characterized in that, for each of the values ES, IS, and NT, the average of and the ratio between a right value and a left value obtained from waveforms measured separately for the right side and the left side of a body are used.