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Journals
Journal of Electrical Bioimpedance
Volume 15 (2024): Issue 1 (January 2024)
Open Access
Sensitivity study of a locally developed six electrode focused impedance method
Trilochan Khanal
Trilochan Khanal
and
K Siddique-e Rabbani
K Siddique-e Rabbani
| Apr 24, 2024
Journal of Electrical Bioimpedance
Volume 15 (2024): Issue 1 (January 2024)
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Published Online:
Apr 24, 2024
Page range:
33 - 40
Received:
Mar 13, 2024
DOI:
https://doi.org/10.2478/joeb-2024-0005
Keywords
Electrical bioimpedance
,
FIM
,
focused impedance
,
sensitivity study
,
indigenous technology
© 2024 Trilochan Khanal et al., published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 International License.
Figure 1:
Tetra-polar impedance measurement scheme [3].
Figure 2:
Basic concept of FIM-6 [3].
Figure 3:
Photograph of the phantom used in the study. Tap water of about 1cm height covers the base made with a cork sheet (foam plastic). The plastic pipe shown is an insulating object which was placed at different points to measure the sensitivity of the system.
Figure 4:
A laboratory set up for Phantom study.
Figure 5:
Placement of electrodes for FIM-6 phantom study.
Figure 6:
Positions for object placement for TPIM and FIM-6 phantom study.
Figure 7:
Transfer Impedance against distance for linear TPIM for the measurement along horizontal and vertical directions.
Figure 8:
Percentage change in Transfer Impedance against distance for linear TPIM along and perpendicular direction of electrode arrangement.
Figure 9:
Matrix Representations of Normalized Changes of Transfer Impedance for Linear TPIM.
Figure 10:
Focused Transfer Impedance against a distance measured along both horizontal and vertical directions.
Figure 11:
Percentage Change in FTZ against distance for Horizontal and vertical direction of measurement
Figure 12:
Matrix Representation of Normalized Values for FIM-6 arrangements measured along chosen positions.
Figure 13:
Percentage change in Impedance against distance for the Horizontal measurement of TPIM and FIM-6 configuration.
Figure 14:
Percentage change in Impedance against a distance measured for the perpendicular direction of the electrode arrangement of TPIM and FIM-6 configuration.