Design and construction of the artificial patient module for testing bioimpedance measuring devices

Marcel Młyńczak; Katarzyna Pariaszewska; Wiktor Niewiadomski; Gerard Cybulski

doi:10.1117/12.2031879

25 October 2013 Design and construction of the artificial patient module for testing bioimpedance measuring devices

Marcel Młyńczak, Katarzyna Pariaszewska, Wiktor Niewiadomski, Gerard Cybulski

Proceedings Volume 8903, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2013; 890314 (2013) https://doi.org/10.1117/12.2031879
Event: Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2013, 2013, Wilga, Poland

Abstract

The purpose of this study was to describe the design of the electronic module for testing bioimpedance measuring devices, for example impedance cardiographs or impedance pneumographs. Artificial Patient was conceived as an electronic equivalent of the impedance of skin-electrode interface and the impedance between electrodes - measured one. Different approaches in imitating a resistance of skin and an impedance of electrode-skin connection were presented. The module was adapted for frequently applied tetrapolar electrode configuration. Therefore the design do not enclose the elements simulating impedance between skin and receiver electrodes due to negligible effect of this impedance on the current flow through the receiver. The Artificial Patient enables testing either application generators, or receiver parts, particularly the level of noise and distortions of the signal. Use of digitally controlled potentiometer allows simulating different tissue resistances changes such as constant values, very-low-frequency and low-frequency changes corresponding to those caused by breathing or heart activity. Also it allows distorting signals in order to test algorithms of artifacts attenuation.

Citation Download Citation

Marcel Młyńczak, Katarzyna Pariaszewska, Wiktor Niewiadomski, and Gerard Cybulski "Design and construction of the artificial patient module for testing bioimpedance measuring devices", Proc. SPIE 8903, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2013, 890314 (25 October 2013); https://doi.org/10.1117/12.2031879

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