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An ultrawideband microwave medical diagnostic system: Design considerations and system performance

Xuezhi Zeng, Andreas Fhager, Mikael Persson, Peter Linner, Herbert Zirath
2012 2012 6th European Conference on Antennas and Propagation (EUCAP)  
Based on the discussion, a FPGA-based time domain microwave diagnostic system is proposed. The noise sources of the system are identified and the system noise performance is analyzed.  ...  We discuss several issues in the design of an ultrawideband microwave system dedicated to medical diagnostics.  ...  MICROWAVE MEDICAL DIAGNOSTICS Fig. 1 shows the simplified measurement configuration of a microwave system for medical diagnostics.  ... 
doi:10.1109/eucap.2012.6206181 fatcat:xbzpsguty5ertiks24e5gykezy

Comparison of X-ray-Mammography and Planar UWB Microwave Imaging of the Breast: First Results from a Patient Study

Dennis Wörtge, Jochen Moll, Viktor Krozer, Babak Bazrafshan, Frank Hübner, Clara Park, Thomas Vogl
2018 Diagnostics  
We present a refined system design in light of the clinical usage by means of a planar scanning and compare microwave images with those obtained by X-ray mammography.  ...  In this paper, we present the design and realisation of a UWB breast imaging prototype for the frequency band from 1 to 9 GHz.  ...  Such clinical trials are important for a statistical analysis to evaluate the MWI systems performance.  ... 
doi:10.3390/diagnostics8030054 pmid:30134617 fatcat:so6rug5avjcbnkg5pcdibsl2ja

Table of contents

2020 IEEE Transactions on Instrumentation and Measurement  
Liu 3679 A Novel In-Situ Radiation Damage Diagnostic System for Undulators .............. J. E. Baader, S. D. Anderson, and Z. R.  ...  Vermeulen 3917 Time and Frequency Domain Circuits and Systems Enhancing Nutt-Based Time-to-Digital Converter Performance With Internal Systematic Averaging .................................... ........  ... 
doi:10.1109/tim.2020.2990576 fatcat:5aocemhnljcv7nklbldmlfqmge

Characteristics of a Surgical Snare Using Microwave Energy

Masashi Sugiyama, Kazuyuki Saito
2018 Diagnostics  
In this study, a snare using microwave energy inserted into an endoscope is proposed, and its characteristics are evaluated.  ...  However, using a high-frequency snare, problems usually occur, such as the obstruction of the visual field caused by smoke.  ...  Conflicts of Interest: The authors declare no conflict of interest. Diagnostics 2018, 8, 83  ... 
doi:10.3390/diagnostics8040083 pmid:30558307 pmcid:PMC6315949 fatcat:7q4j6fyi6bhbvogz2dv3vdis7i

Non-invasive Continuous Monitoring of Cerebral Edema Using Portable Microwave Based System

Yuhao Jiang, Minji Zhao, Huiqian Wang, Guoquan Li
2018 IOP Conference Series: Earth and Environment  
Discussion and conclusion The experimental time domain performance shows that the power of microwave signal clearly decreased due to conductivity loss.  ...  In this work, a novel microwave based head detection system for continuous assessment of edema is proposed.  ... 
doi:10.1088/1755-1315/111/1/012027 fatcat:2uq4kx4uivbqlbkgq3ufo2u6ze

Inverse Scattering and Microwave Tomography in Safety, Security, and Health

Rocco Pierri, Jean-Charles Bolomey, Qing Huo Liu, Francesco Soldovieri
2013 International Journal of Antennas and Propagation  
Electromagnetic diagnostics and radar systems are of increasing interest in many application domains when the aim is to characterize in a qualitative and quantitative way the targets in electromagnetically  ...  These thirteen papers represent an exciting and insightful snapshot of the current research for a reliable and effective use of microwaves in the complex scenarios encountered in the very timely fields  ...  Acknowledgments We would like to thank all authors, reviewers, for making this special issue possible.  ... 
doi:10.1155/2013/589598 fatcat:54a3g2rwdnhw3o5mfkr64bilmm

THz time domain characterization of human skin tissue for nano-electromagnetic communication

Nishtha Chopra, Mike Phipott, Akram Alomainy, Qammer H. Abbasi, Khalid Qaraqe, Raed M. Shubair
2016 2016 16th Mediterranean Microwave Symposium (MMS)  
This paper presents an experimental investigation of excised human skin tissue material parameters by THz Time Domain Spectroscopy in the band 0.1 -2.5 THz.  ...  The results are used to evaluate the channel path loss Nano-electromagnetic communication. Refractive index and absorption coefficient values are evaluated for dermis layer of the human skin.  ...  National Research Fund (a member of Qatar Foundation).  ... 
doi:10.1109/mms.2016.7803787 fatcat:ieizqull7rehnkajwbp2q5bziq

Diagnosing Breast Cancer with Microwave Technology: remaining challenges and potential solutions with machine learning

Bárbara Oliveira, Daniela Godinho, Martin O'Halloran, Martin Glavin, Edward Jones, Raquel Conceição
2018 Diagnostics  
This work also investigates if a relationship exists between the antenna topology in a microwave system and diagnostic performance.  ...  Finally, a careful machine learning validation methodology is implemented to guarantee the robustness of the results and the accuracy of performance evaluation.  ...  This factor should not be neglected when building systems to classify time-domain signals. • The extraction of features performed well, even when the time-domain signal was not pre-processed by windowing  ... 
doi:10.3390/diagnostics8020036 pmid:29783760 pmcid:PMC6023429 fatcat:fowhisrvavfwzi6o4hu5yth4fi

Table of Contents

2022 IEEE Journal of Electromagnetics RF and Microwaves in Medicine and Biology  
Pistorius 139 Comparison of Time and Frequency Domain Solvers for Magnetic Resonance Coils at Different Field Strengths Using a Single Computational Platform . . . . . . . . . . . . . . . . . . . . . .  ...  Basu 131 The Diagnostic Performance of Machine Learning in Breast Microwave Sensing on an Experimental Dataset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  ... 
doi:10.1109/jerm.2022.3148807 fatcat:wlppbm2np5fglnkwsrtctelal4

Recent Advances in Microwave Imaging for Breast Cancer Detection

Sollip Kwon, Seungjun Lee
2016 International Journal of Biomedical Imaging  
This paper presents a review of recent advances in microwave imaging for breast cancer detection.  ...  We conclude by introducing new research on a microwave imaging system with time-domain measurement that achieves short measurement time and low system cost.  ...  Further, the McGill University research team have performed an early clinical study of time-domain microwave radar for breast health monitoring [30, 141] .  ... 
doi:10.1155/2016/5054912 pmid:28096808 pmcid:PMC5210177 fatcat:uzixc7slarbbdits6oru6r5g3u

Investigation of an Ultra Wideband Noise Sensor for Health Monitoring

Xuezhi Zeng, Joakim Robakowski, Mikael Persson, Albert Monteith, Andreas Fhager
2020 Sensors  
We developed a compact and low cost ultra wideband noise sensor for medical diagnostics and vital sign monitoring in pre-hospital settings.  ...  With seventeen tests performed for respiration rate detection, sixteen of them were successfully detected.  ...  Clock and Timing The generation of precise sampling clocks is crucial for the overall system performance.  ... 
doi:10.3390/s20041034 pmid:32075120 pmcid:PMC7071039 fatcat:rqn75bp6nvgsvnfv6m27et5fmq


Awais Munawar, Zartasha Mustansar, Ahmed E Nadeem, Mahmood Akhtar
2016 International Journal of Pharmacy and Pharmaceutical Sciences  
The initial results obtained in this research and prior work indicates that EMIT-based head imaging system has a potential for rapid stroke detection, classification, and continuous brain monitoring and  ...  Electromagnetic based Impedance Tomography employing microwave imaging technique is an emerging brain stroke diagnostic modality.  ...  [18] , performed a feasibility study on microwave imaging for brain stroke monitoring.  ... 
doi:10.22159/ijpps.2016v8s2.15217 fatcat:wdobjfkrdzbzll2slikitv23v4

Feasibility of Using Wideband Microwave System for Non-Invasive Detection and Monitoring of Pulmonary Oedema

S. Ahdi Rezaeieh, A. Zamani, K. S. Bialkowski, A. Mahmoud, A. M. Abbosh
2015 Scientific Reports  
Therefore, a noninvasive microwave system for the early detection of pulmonary oedema is presented.  ...  The accumulated fluid has a considerably higher dielectric constant compared to lungs' tissues, and can thus be detected using microwave techniques.  ...  Antenna Design Antennas are one of the key elements of any microwave based medical diagnostic system and therefore, the success of that system significantly depends on the performance of those antennas  ... 
doi:10.1038/srep14047 pmid:26365299 pmcid:PMC4568468 fatcat:akf5yx7wcvcsdd7bdxx7hy4rcu

Waves, oscillations and optics in biomedical engineering: research in the Department of Biomedical Engineering 1994–2014

H Hinrikus
2014 Proceedings of the Estonian Academy of Sciences  
In this historical review the main topics of research in the Department of Biomedical Engineering of the Technomedicum of the Tallinn University of Technology are discussed.  ...  For the first time, the studies performed in DBME proposed the theory and experimentally proved the mechanism behind the low-level microwave effect on the nervous system.  ...  The role of the DBME in this project was the development of a model for a healthy man, based on the physiological parameters system, measured during exercise tests and evaluation of the quality of different  ... 
doi:10.3176/proc.2014.3.01 fatcat:xswih2n74rfsvb7rtfecfbcyhq

Efficacy of liver cancer microwave ablation through ultrasonic image guidance under deep migration feature algorithm

Changkong Ye, Wenyan Zhang, Zijuan Pang, Wei Wang
2021 Pakistan Journal of Medical Sciences  
performance for liver cancer ultrasound images.  ...  Objective: To explore the therapeutic effects of ultrasound-guided microwave ablation and radio frequency ablation for liver cancer patients.  ...  It was found that in contrast with the traditional algorithm, the CNNMF algorithm has better diagnostic performance for liver cancer ultrasound images.  ... 
doi:10.12669/pjms.37.6-wit.4885 pmid:34712308 pmcid:PMC8520357 fatcat:vv7pa4s2sbgc7nrukaolhwejxu
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