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  学术报告会通知: Microwave Antennas for Medical Applications  


题    目 : Microwave Antennas for Medical Applications

报 告 人Koichi Ito

时  间 2016621日(周二)上午9:30~10:00

地  点东南大学四牌楼校区李文正楼6楼大会议室

主  办 东南大学毫米波国家重点实验室

IEEE AP-MTT-EMC Joint Nanjing Chapter



Recently, various types of medical applications of antennas have widely been investigated and reported.  Typical recent medical applications include:

(1) Information / Wireless power transmission:

   - Wearable or implantable vital data sensor / monitor

   - Wireless telemedicine / Mobile health system using IoT (Internet of Things)

   - Wireless capsule endoscopy

(2) Diagnosis:

   - High intensity MRI (Magnetic Resonance Imaging)

   - Microwave CT (Computed Tomography) for cancer detection

   - Wireless sleep monitor / ECG (electrocardiogram) monitor

(3) Treatment:

   - Thermal therapy (hyperthermia, ablation, etc)

   - Wireless brain stimulator

   - Wireless DDD (drug delivery device)

   - Surgical device (coagulation device, microwave knife, etc)


In this presentation, some practical medical applications of microwave antennas which have been studied in our laboratory are introduced. Firstly, a wearable dual-mode antenna for vital data monitoring systems is presented.  A key technology for the antenna is body-centric wireless communications.  Secondly, an X-band antenna for a microwave sleep monitor is demonstrated with human-body phantom experiments.  A “dynamic” phantom played an important role for the study.  Thirdly, after a brief description of thermal therapy and microwave heating, a coaxial-slot antenna and an array applicator composed of several coaxial-slot antennas for minimally invasive microwave thermal therapy are overviewed.  A few results of actual clinical trials by use of coaxial-slot antennas are demonstrated from a technical point of view.  Finally, a few different types of surgical devices using high power microwave energy are introduced.  Heating characteristics of such microwave surgical devices are evaluated by numerical calculation as well as experiments using phantoms, meat and animals.



  Koichi Ito was born in Nagoya, Japan, and received the B.S. and M.S. degrees from Chiba University, Chiba, Japan, in 1974 and 1976, respectively, and the D.E. degree from Tokyo Institute of Technology, Tokyo, Japan, in 1985, all in electrical engineering.  From 1976 to 1979, he was a Research Associate at Tokyo Institute of Technology.  From 1979 to 1989, he was a Research Associate at Chiba University.  From 1989 to 1997, he was an Associate Professor at the Department of Electrical and Electronics Engineering, Chiba University. From 1997 to 2003, he was a Professor at the Faculty of Engineering, Chiba University.  From 2003 to 2016, he was a Professor at the Center for Frontier Medical Engineering, Chiba University.  Currently, he is a Professor Emeritus and Visiting Professor, Chiba University.  From 2005 to 2009, he was Deputy Vice-President for Research, Chiba University.  From 2008 to 2009, he was Vice-Dean of the Graduate School of Engineering, Chiba University.  From 2009 to 2015, he served as Director of the Center for Frontier Medical Engineering.  In 1989, 1994, and 1998, he visited the University of Rennes I, France, as an Invited Professor.  He has been appointed as Adjunct Professor to the University of Indonesia since 2010.


His main research interests include compact antennas for mobile communications, microwave antennas for medical applications such as cancer treatment, research on evaluation of the interaction between electromagnetic fields and the human body by use of phantoms, and antenna systems for body-centric wireless communications. 


Dr. Ito is a Life Fellow of the IEEE, a Fellow of the Institute of Electronics, Information and Communication Engineers (IEICE), Japan, a member of the Bioelectromagnetics Society (BEMS), and the Japanese Society for Thermal Medicine.  He served as Chair of the Technical Group on Radio and Optical Transmissions, the Institute of Image Information and Television Engineers of Japan, from 1997 to 2001, Chair of the Technical Committee on Human Phantoms for Electromagnetics, IEICE, from 1998 to 2006, Chair of the Technical Committee on Antennas and Propagation, IEICE, from 2009 to 2011, Chair of the IEEE AP-S Japan Chapter from 2001 to 2002, General Chair of the 2008 IEEE International Workshop on Antenna Technology (iWAT2008), an AdCom member for the IEEE AP-S from 2007 to 2009, an Associate Editor for the IEEE Transactions on Antennas and Propagation from 2004 to 2010, a Distinguished Lecturer for the IEEE AP-S from 2007 to 2011, a member of the IEEE Life Sciences New Initiative (LSNI) Project Team from 2011 to 2013, General Chair of 2012 International Symposium on Antennas and Propagation (ISAP2012) and a member of the Board of Directors, BEMS, from 2010 to 2013.  He currently serves as the IEEE AP-S Representative to the Committee on Man and Radiation (COMAR) and a Councilor to the Asian Society of Hyperthermic Oncology (ASHO).  He has been elected as a delegate to the European Association on Antennas and Propagation (EurAAP) since 2012 and Chair of Commission K, Japan National Committee of URSI (International Union of Radio Science) since 2015.


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