Method and apparatus for analyzing bioelectrical response...

Surgery – Diagnostic testing – Measuring electrical impedance or conductance of body portion

Reexamination Certificate

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C600S548000, C324S608000, C324S692000, C324S704000

Reexamination Certificate

active

07403816

ABSTRACT:
A method for analyzing skin response waveform information obtained by measuring skin impedance with a voltage of a predetermined frequency. A current value at the start of polarization caused by the application of the voltage is determined, followed by determining a current value after a predetermined amount of time from the start of the polarization. A current value after termination of the polarization (value NT) is then determined and the difference between the current value at the start of the polarization and after the predetermined amount of time from the start of the polarization (value A) is determined. The difference between the current value after the predetermined amount of time from the start of the polarization and the value NT (value B) is determined, followed by analyzing the skin response waveform information using the ratios A/B, B/A and the value NT.

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