Evaluation of hazards caused by magnetic field emitted from magnetotherapy applicator to the users of bone conduction hearing prostheses
Journal Title: Medycyna Pracy - Year 2017, Vol 68, Issue 4
Abstract
Background: Low frequency magnetic field, inducing electrical field (Ein) inside conductive structures may directly affect the human body, e.g., by electrostimulation in the nervous system. In addition, the spatial distribution and level of Ein are disturbed in tissues neighbouring the medical implant. Material and Methods: Numerical models of magneto-therapeutic applicator (emitting sinusoidal magnetic field of frequency 100 Hz) and the user of hearing implant (based on bone conduction: Bonebridge type – IS-BB or BAHA (bone anchorde hearing aid) type – IS-BAHA) were worked out. Values of Ein were analyzed in the model of the implant user’s head, e.g., physiotherapist, placed next to the applicator. Results: It was demonstrated that the use of IS-BB or IS-BAHA makes electromagnetic hazards significantly higher (up to 4-fold) compared to the person without implant exposed to magnetic field heterogeneous in space. Hazards for IS-BAHA users are higher than those for IS-BB users. It was found that applying the principles of directive 2013/35/EU, at exposure to magnetic field below exposure limits the direct biophysical effects of exposure in hearing prosthesis users may exceed relevant limits. Whereas applying principles and limits set up by Polish labor law or the International Commission on Non-Ionizing Radiation Protection (ICNIRP) guidelines, the compliance with the exposure limits also ensures the compliance with relevant limits of electric field induced in the body of hearing implant user. Conclusions: It is necessary to assess individually electromagnetic hazard concerning hearing implant users bearing in mind significantly higher hazards to them compared to person without implant or differences between levels of hazards faced by users of implants of various structural or technological solutions. Med Pr 2017;68(4):469–477
Authors and Affiliations
Patryk Zradziński, Jolanta Karpowicz, Krzysztof Gryz, Wiesław Leszko
Keywords
Related Articles
- EP ID EP182813
- DOI 10.13075/mp.5893.00399
- Views 182
- Downloads 0
OCENA DZIAŁAŃ I POTRZEBY STARSZYCH PRACOWNIKÓW W KONTEKŚCIE UTRZYMYWANIA ICH W ZATRUDNIENIU
[b]Wstęp: [/b]W artykule zaprezentowano wyniki badań dotyczących działań związanych z zarządzaniem wiekiem w Polsce w opiniach starszych pracowników (50+). Cel pracy: Celem było zbadanie opinii starszych pracowników na t...
JOB-DEPENDENT PREVALENCE OF SELECTED RISK FACTORS FOR CARDIOVASCULAR DISEASES IN THE PREVENTION PROGRAM PARTICIPANTS
[b]Background:[/b] The paper aims to assess the prevalence of CVD risk factors taking into account the job type among CVD Prevention and Early Detection Program participants and to assess the likelihood of positive chang...
31st Conference of The European Health Psychology Society: „Innovative ideas in health psychology”
na.
Judgment of the morality of an individual responsible for a fatal workplace accident involving subordinates
Background: The aim of the study was to verify the hypothesis that additional information about the perpetrator responsible for the death of subordinates at the workplace may influence the assessment of morality. The art...
Dimensions of work ethic as predictors of strategies to cope with stress
Background: The article presents the mutual relations between the components of work ethic and the strategies of coping with stress used by employees of different branches. Material and Methods: Work ethic was presented...