A parallel broadband real-time system for electrical impedance tomography

O. Casas; J. Rosell; R. Bragós; A. Lozano; P. J. Riu

doi:10.1088/0967-3334/17/4a/002

A parallel broadband real-time system for electrical impedance tomography

O. Casas, J. Rosell, R. Bragós, A. Lozano, P. J. Riu

Penn State Wilkes-Barre

Research output: Contribution to journal › Article › peer-review

34 Scopus citations

Abstract

This paper deals with the design, implementation and performance of TIE-4sys, an electrical impedance tomograph. This instrument is a parallel broadband real-time system. It measures impedance using an array of 16 electrodes and reconstructs the images using a weighted back-projection technique. The objective of this development is to enable multifrequency EIT clinical studies to be undertaken. The system is capable of acquiring 25 frames/s and makes multifrequency cardiac-gated images. The frequency range is from 10 kHz to 250 kHz and the signal to noise ratio for the real component is better than 60 dB.

Original language	English (US)
Pages (from-to)	A1-A7
Journal	Physiological Measurement
Volume	17
Issue number	4 SUPPL. A
DOIs	https://doi.org/10.1088/0967-3334/17/4a/002
State	Published - 1996

All Science Journal Classification (ASJC) codes

Biophysics
Physiology
Biomedical Engineering
Physiology (medical)

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AB - This paper deals with the design, implementation and performance of TIE-4sys, an electrical impedance tomograph. This instrument is a parallel broadband real-time system. It measures impedance using an array of 16 electrodes and reconstructs the images using a weighted back-projection technique. The objective of this development is to enable multifrequency EIT clinical studies to be undertaken. The system is capable of acquiring 25 frames/s and makes multifrequency cardiac-gated images. The frequency range is from 10 kHz to 250 kHz and the signal to noise ratio for the real component is better than 60 dB.

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A parallel broadband real-time system for electrical impedance tomography

Abstract

All Science Journal Classification (ASJC) codes

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