NDLI: Modelling of the interactions between implanted auditory prosthesis and 900 MHz radiofrequency: Application to cochlear implants

Content Provider	IEEE Xplore Digital Library
Author	Ravazzani, P. Franzoni, C. Parazzini, M. Tognola, G.
Copyright Year	2006
Description	Author affiliation: Istituto di Ingegneria Biomedica, Consiglio Nazionale delle Ricerche, Piazza Leonardo da Vinci, 32, I-20133 Milan (Italy) (Ravazzani, P.; Franzoni, C.; Parazzini, M.; Tognola, G.)
Abstract	The rapid diffusion of environmental electromagnetic radiations, in particular in the radiofrequency range, is determining increasing interest on their possible consequent health effects. A particular attention is deserved to those subjects who are considered to be more sensitive such as people who use cochlear implants. Cochlear implants (CI) are electronic devices that restore partial hearing to deaf or severely hard of hearing people. Aim of this study was to analyze the possible functional interactions of RF microwaves with CI. Results of this study show that the electrode array inside a cochlea exposed to an external radiofrequency EMF source at 900 MHz produced peaks on the amplitude of the electric and magnetic fields near the implant and a consequent local increase of the absorbed power and tissue temperature. Moreover, peaks of current density in correspondence of the electrodes were found, with average values of about 4 ¿A.
Starting Page	1
Ending Page	5
File Size	691168
Page Count	5
File Format	PDF
ISBN	9789290929376
DOI	10.1109/EUCAP.2006.4584521
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-11-06
Publisher Place	France
Access Restriction	Subscribed
Rights Holder	ESA
Subject Keyword	Radio frequency Electrodes Cochlear implants Deafness Auditory system Microwave devices Electromagnetic radiation Magnetic analysis Microwave antenna arrays Prosthetics
Content Type	Text
Resource Type	Article

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