Ultra-wideband Radar for Angiography

An ultra-wideband (UWB) medical radar has been designed for cardiovascular imaging instead of the X-ray angiography. The aim of this work is to obtain a medical image for human body tissue with all its layers (especially for heart and blood vessels) and to decrease the X-ray biological side effects...

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Published in:IOP conference series. Materials Science and Engineering 2020-02, Vol.745 (1), p.12086
Main Authors: Alghanimi, Abdulhameed Habeeb, Fayadh, Rashid Ali
Format: Article
Language:English
Subjects:
Angiography
Antennas
Biological effects
Blood vessels
Dielectric properties
Guide wires
Human body
Human tissues
Image enhancement
imaging radar
Medical imaging
Medical personnel
Physicians
Side effects
Transceivers
ultra-wideband
ultra-wideband cardiovascular
Ultrawideband radar
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description An ultra-wideband (UWB) medical radar has been designed for cardiovascular imaging instead of the X-ray angiography. The aim of this work is to obtain a medical image for human body tissue with all its layers (especially for heart and blood vessels) and to decrease the X-ray biological side effects on the patients, doctors and medical staff during the operation. The elimination of these effects represents the main objective of this paper. This mission can be achieved by using two different types of antennas (transceivers). The first antenna is placed around the human body and the other one is a micro-strip antenna which is inserted to the blood vessel in front of the guide wire of catheterizing angiography. As a result, the distance between two antennas will be measured by calculating the time of arrival (TOA) and propagation direction (θ). On the other hand, TOA and θ will depend on the ultra-wideband frequency, shape and other specifications. This distance between the antennas includes the human tissue with its different layers, where each layer has certain dielectric properties enabling us to recognise the tissue type. The required equations and the proposed radar simulation, as well as the output UWB signal were presented in this study. Also, the experiments for image improvement have been applied by improving the blood dielectric properties to enhance the cardiovascular image.
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This distance between the antennas includes the human tissue with its different layers, where each layer has certain dielectric properties enabling us to recognise the tissue type. The required equations and the proposed radar simulation, as well as the output UWB signal were presented in this study. 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subjects Angiography
Antennas
Biological effects
Blood vessels
Dielectric properties
Guide wires
Human body
Human tissues
Image enhancement
imaging radar
Medical imaging
Medical personnel
Physicians
Side effects
Transceivers
ultra-wideband
ultra-wideband cardiovascular
Ultrawideband radar
title Ultra-wideband Radar for Angiography
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