A Device for Generation of Electromagnetic Fields of Extremely Low Frequency

• A new device for generation of electromagnetic fields at extra low frequencies, to be used in fracture treatment, is described. The device involves a coil and a battery powered noise-generator. An alternating magnetic field of 4 × 10−4T (4 Gauss) (RMS value) with a frequency range 1–1000 Hz is generated. Results from a controlled randomized study of fresh fractures have shown significant differences (p < 0.01) between the treated group and the control group. The results are encouraging and motivate further investigations with this method.

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