|Title:||Measurement and analysis of electromagnetic fields of pulsed magnetic field therapy systems for private use|
|Authors :||Järmann, Thomas|
|Published in :||Journal of Radiological Protection|
|Language :||Englisch / English|
|Subject (DDC) :||530: Physik|
615: Pharmakologie und Therapeutik
|Abstract:||Recently, pulsed magnetic field therapy (PMFT) systems have become available for private use. Although they may be applied without medical supervision, only a little is known about their field quantities. In this study, the spatial distribution and the temporal characteristics of the magnetic flux densities of three PMFT systems, available in Europe, were analysed. In close proximity to the surface, the maxima of the peak magnetic flux densities were 461 µT, 170 µT and 133 µT, respectively. At a distance of 30 cm above the whole body mat, the peak magnetic flux density was 77 µT. The excitation patterns consisted of repeating bursts with carrier frequencies between 210 and 1667 Hz. In conclusion, magnetic flux densities were far above International Commission on Non-Ionizing Radiation Protection reference levels. Since these systems are supposed to be medical devices as well as wellness devices, risk analysis of PMFT systems and the effectiveness of these devices need to be investigated in future studies.|
|Departement:||School of Engineering|
|Publication type:||Beitrag in wissenschaftlicher Zeitschrift / Article in scientific Journal|
|Type of review:||Peer review (Publikation)|
|License (according to publishing contract) :||Lizenz gemäss Verlagsvertrag / Licence according to publishing contract|
|Appears in Collections:||Publikationen School of Engineering|
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