Magnetic intervention method with controllable induction field direction

A directional, unit direction vector technology, applied in magnetic therapy, using the magnetic field generated by the coil, electrotherapy, etc., can solve the problems of electric field intensity attenuation, failure to achieve neuron activation and stimulation effects, etc., to improve accuracy and effect of effectiveness

Pending Publication Date: 2022-03-29
HARBIN INST OF TECH
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Problems solved by technology

[0006] The present invention proposes a magnetic intervention method with controllable induction field direction to solve the problem in the prior art that changing the position of the coil will cause the intensity of the electric field to decay rapidly and fail to achieve the stimulation effect of neuron activation

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  • Magnetic intervention method with controllable induction field direction
  • Magnetic intervention method with controllable induction field direction
  • Magnetic intervention method with controllable induction field direction

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Embodiment Construction

[0051] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0052] refer to figure 1 As shown, the present invention proposes a magnetic intervention method with controllable induced field direction, which includes the following steps:

[0053] S100, calculate the target point P t The current i required to generate an electric field with a unit direction vector at 1j i 2j i 3j , j=1, 2, ... n, the same below.

[0054] S200. Decompose the vector electric field E required at the target point to the three basis vector ...

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Abstract

The invention discloses a magnetic intervention method with a controllable induction field direction, and belongs to the technical field of noninvasive nerve regulation and control. Comprising the following steps that S100, currents i1j, i2j and i3j needing to be led into a unit direction vector electric field generated at a target point Pt are calculated, j = 1, 2,... n, and the same is hereinafter; s200, decomposing a vector electric field E required at the target point towards three base vector directions to obtain electric field component sizes E1, E2 and E3; and S300, current capable of generating electric field components E1, E2 and E3 at the target spot is calculated, I1j = E1i1j, I2j = E2i2j, and I3j = E3i3j. And S400, superposing the currents of the three power-on modes to obtain a synthesis current Ij = I1j + I2j + I3j = E1i1j + E2i2j + E3i3j which needs to be input into each coil of the coil group, namely generating a required electric field E at a target spot, and performing specific directional stimulation.

Description

technical field [0001] The invention relates to a magnetic intervention method with controllable induction field direction, which belongs to the technical field of non-invasive nerve regulation. Background technique [0002] Magnetic intervention is a neuromodulation technology. Its basic principle is to pass a pulse current into the coil to generate a magnetic field that can penetrate the scalp and skull and other barrier tissues, induce an electric field in the brain, and then induce an induced current to change neurons. The membrane potential activates neurons and produces a series of physiological effects. Due to its non-invasive and safe features, this technique is widely used in clinical routine electrophysiological examination, treatment of nervous system diseases and brain science research. [0003] In the coil topology design of the existing magnetic intervention methods, most of them focus on the spatial distribution of the induced electric field amplitude, and st...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61N2/04
CPCA61N2/02A61N2/006
Inventor 潘东华王矜婷王一丁翟佳雨陈艳路李立毅
Owner HARBIN INST OF TECH
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