Summary
International Symposium on Antennas and Propagation
2006
Session Number:1C1
Session:
Number:1C1-4
An Experimental Assessment on Implantable Medical Devices EMI caused by Magnetic Flux Distributions of Low-band RFID reader/writers
Shunichi Futatsumori, Takashi Hikage, Toshio Nojima, Ben Koike, Hiroshi Fujimoto, Takeshi Toyoshima,
pp.1-5
Publication Date:2006/11/2
Online ISSN:2188-5079
Summary:
Today, various kinds of wireless devices are being introduced into our daily lives. The assessment of electromagnetic interference (EMI) on implantable medical devices from these devices has great importance. We are conducting detailed experimental investigations for EMI on these medical devices due to Radio Frequency Identification reader/writers (RFID R/W). The final goal of this research project is to develop an EMI assessment method using numerical analysis. In addition, this project also aims at providing technical information to create RFID R/W with less effect. In this paper, we discuss about the methodology for implantable cardiac pacemakers and implantable cardiac-defibrillators EMI assessment based on magnetic flux distributions generated by low-band RFID R/W. First, fundamental EMI occurrence mechanisms of pacemakers and ICDs are described. Secondly, specifications for low-band RFID R/W are mentioned from magnetic flux application standpoint. Next, EMI test experiments and measurements of the field distributions are described. Finally, EMI characteristics derived from magnetic flux distributions are compared with the experiment results to confirm the effectiveness of the proposed methodology.