一种用于产生极低频电磁场的装置。

A device for generation of electromagnetic fields of extremely low frequency.

作者信息

Wahlström O, Knutsson H

出版信息

J Biomed Eng. 1984 Oct;6(4):293-6. doi: 10.1016/0141-5425(84)90077-3.

Abstract

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 X 10(-4) T (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 less than 0.01) between the treated group and the control group. The results are encouraging and motivate further investigations with this method.

摘要

本文描述了一种用于骨折治疗的新型极低频电磁场产生装置。该装置包括一个线圈和一个由电池供电的噪声发生器。能产生频率范围为1 - 1000赫兹、均方根值为4×10⁻⁴特斯拉（4高斯）的交变磁场。对新鲜骨折进行的对照随机研究结果表明，治疗组与对照组之间存在显著差异（p < 0.01）。这些结果令人鼓舞，并促使人们用这种方法进行进一步研究。