Magnetic stimulation coil fixing device with folded structure

Abstract

The invention relates to the technical field of magnetic stimulation devices, and particularly relates to a magnetic stimulation coil fixing device with adjustable focusing degree and depth of stimulation and folded structure. The device comprises a left coil fixing support and a right coil fixing support which are connected via a third folded shaft, a first semicircular coil and a second semicircular coil are symmetrically arranged on the left coil fixing support via a second folded shaft, a third semicircular coil and a fourth semicircular coil are symmetrically arranged on the right coil fixing support via a first folded shaft, a fifth folded angle fixing chute and a sixth folded angle fixing chute are correspondingly formed at two ends of the third folded shaft, a second folded angle fixing chute and a fourth folded angle fixing chute are correspondingly formed at two ends of the first folded shaft, and a first folded angle fixing chute and a third folded angle fixing chute are correspondingly formed at two ends of the second folded shaft. The device realizes flexibility and selectivity of improving the focusing degree of coil stimulation and the stimulation depth, and realizes different stimulation effects of magnetic stimulation.

Description

technical field [0001] The invention relates to the technical field of magnetic stimulation devices, in particular to a magnetic stimulation coil fixing device with a folding structure and adjustable excitation focus depth. Background technique [0002] Magnetic stimulation technology is a new method first proposed by Barker et al. in 1985 to use a circular coil to generate a time-varying magnetic field to stimulate brain nerve tissue, generate an induced current in the tissue, and regulate and interfere with brain function. Ueno et al. subsequently proposed the "8"-shaped stimulation coil, which improved the stimulation focus of the circular coil. [0003] The stimulation mechanism of magnetic stimulation to organisms is realized by using electromagnetic relations. When a time-varying current flows through the magnetic stimulation discharge coil, the discharge coil will generate a time-varying magnetic field. When the biological tissue is in this time-varying magnetic fie...

AI Technical Summary

Problems solved by technology

Although the traditional "8" shaped coil has a great improvement in stimulation focus and stimulation depth compared with the circular coil, due to the large magnetic field and induced electric field generated on both sides of the coil, it is easy to cause unnecessary damage to non-target tissues. At the same time, since a coil parameter value is fixed in its coil structure, the changing process of the alternating magnetic field generated under the same discharge voltage is basically similar. For a stimulating coil that cannot change the spatial structure at will, it limits Flexibility in different clinical application options

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