Field Management Services
EMF Specialists
123 N. Laurel Los Angeles, CA 90048 "Perhaps the most serious consequences of interference from EMF are those which occur in medical laboratories and hospitals. Here, common electromagnetic compatibility (EMC) issues take on life-threatening features. Interference with the normal operation of medical devices can have catastrophic consequences.
With the increase in the utilization of microprocessor-based diagnostic, therapeutic, and patient monitoring equipment within hospitals, corresponding increases in failure rates of these devices from interfering radio frequency (RF)sources have been noted.
Certain implanted medical devices, including insulin delivery systems and pacemakers, are also sensitive to environmental AC magnetic fields.
In another example of MFI medical equipment failure, an employee recently asserted that elevated magnetic fields present in the workspace caused a personal, automatic insulin delivery device to suddenly malfunction "
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RF Safety Solutions, LLC.
"Over the years, many incidents of suspected electromagnetic interference (EMI) with medical devices have been documented. There is heightened concern for the safe and effective use of devices in the presence of electromagnetic energy. For medical devices the environment has become crowded with potential sources of EMI.
It is important to note that device susceptibility can be very frequency dependent. This makes it much more difficult and expensive to test for. For example, a particular device might have good immunity at all but one or two narrow frequency ranges. Unless tests are made in small increments of frequency, the problem might not be detected.
The EM environment that envelops the devices can vary widely, from the rural setting to the commercial setting, to the urban setting, and of course, the hospital setting.
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EMI RISK Electromagnetic Interference in Medical Devices An overview of EMI issues can help develop suitable electromagnetic compatibility requirements and other solutions to minimize risk to patients. Kok-Swang Tan, Irwin Hinberg, and Jesuzette Wadhwani Studies of EMI susceptibility of medical devices consistently report that wireless telecom devices can cause a high percentage of medical devices to malfunction. However, a relatively small number of EMI incidents have been reported to regulatory agencies in both Canada and the United States. Some underreporting can be attributed to a lack of awareness of EMI as the cause of the malfunction.
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Medical devices & EMF interference |