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Analysis of the Bioelectric Impedance of the Tissue-Electrode Interface Using a Novel Full-Spectrum Approach
electrode impedance
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2015/1/12
Non-invasive surface recording of bioelectric potentials continues to be an essential tool in a variety of research and medical diagnostic procedures. However, the integrity of these recordings, and h...
Electromagnetic Impedance Tomography (EMIT): A New Method for Impedance Imaging
Condition number electromagnetic impedance
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2010/1/6
We propose a new impedance imaging method,
electromagnetic impedance tomography (EMIT), in which the
boundary electric potential measurements in electrical impedance
tomography (EIT) are augmented ...
The Factorization Method for Electrical Impedance Tomography Data from a New Planar Device
The Factorization Method Electrical Impedance Tomography
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2009/9/7
We present numerical results for two reconstruction methods for a new planar electrical impedance tomography device. This prototype allows noninvasive medical imaging techniques if only one side of a ...
Frequency-Division Multiplexing for Electrical Impedance Tomography in Biomedical Applications
Frequency-Division Multiplexing Electrical Impedance Tomography Biomedical Applications
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2009/9/7
Electrical impedance tomography (EIT) produces an image of the electrical impedance distribution of tissues in the body, using electrodes that are placed on the periphery of the imaged area. These ele...
Reproducibility and repeatability of measuring the electrical impedance of the pregnant human cervix-the effect of probe size and applied pressure
the electrical impedance the pregnant human cervix-the effect probe size applied pressure
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2010/2/25
Measuring cervical resistivity by a single observer with both the 3 and 12 mm probes is highly repeatable whilst inter-observer reproducibility is poor with the 3 mm probe but moderately good when the...
Estimating Arterial Wall Impedance Using a Strain-gauge Plethysmogram
Vascular function Arterial wall Plethysmogram Mechanical impedance
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2009/6/5
This paper proposes a method that evaluates the beat-to-beat vascular conditions without needing to confine the forearm of the patient. It can estimate the mechanical impedance of an arterial wall by ...
An Optimal Spot-Electrodes Array for Voltage Pick-Up Determined from the Measurement of Transthoracic Electrical Impedance Change Following Cardiac Ejection
impedance or admittance cardiography cardiac output stroke volume optimal spot-electrodes array
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2009/6/2
Electrical impedance (or admittance) cardiography is a simple and still potential method for non-invasive and continuous monitoring of stroke volume and cardiac output (CO) by detecting the electrical...
Comparison of human uterine cervical electrical impedance measurements derived using two tetrapolar probes of different sizes
human uterine cervical electrical impedance measurements two tetrapolar probes different sizes
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2010/2/26
Inter-electrode distance on the probes for measuring cervical impedance influences the tissue resistivity values obtained. Determining the appropriate probe size is necessary when conducting clinical ...
Electrical impedance tomography system: an open access circuit design
tomography system an open access circuit design
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2010/2/26
The results of simulation and real measurement of the system are presented. The reconstruction programs were written in MATLAB and the data acquisition software in C++. The system has been tested with...
Electrical impedance tomography imaging using a priori ultrasound data
Electrical tomography imaging a priori ultrasound data
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2010/2/26
This paper discusses the combination of ultrasound and electrical impedance tomography (EIT) information. Ultrasound reflection signals are good at locating sharp acoustic density changes associated w...
Review of "Electrical Impedance Tomography" Edited by David S. Holder
Electrical Impedance Tomography David S. Holder
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2010/3/1
As implied by its name, electrical impedance tomography (EIT) is to reconstruct an impedance distribution in an object of interest from electrical measurement on the boundary of the object. Because of...
Amplifier spurious input current components in electrode-electrolyte interface impedance measurements
electrode-electrolyte interface impedance measurements input current components
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2010/3/1
The drift originated either at the dc input bias offset current (Ios) of the integrated circuits, or in discrete transistors connected directly to the electrodes immersed in the cells, depending on th...