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Control of transcranial magnetic stimulation

A technology for transcranial magnetic stimulation, control unit, applied in the direction of magnetic therapy, the use of magnetic fields generated by coils, electrotherapy, etc., can solve the problems of high cost and size

Pending Publication Date: 2020-01-03
阿尔托大学理工学院
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Such prior art solutions still face the disadvantages as mentioned above, namely they are based on only one coil and they are also capacitor-coil specific, and therefore, the cost and size of the TMS device remains high

Method used

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  • Control of transcranial magnetic stimulation
  • Control of transcranial magnetic stimulation
  • Control of transcranial magnetic stimulation

Examples

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Embodiment Construction

[0034] The specific examples provided in the description given below should not be construed as limiting the scope and / or applicability of the appended claims. The lists and groups of examples provided in the description given below are not exhaustive unless expressly stated otherwise.

[0035] figure 1 Schematically illustrating at least some aspects of the principles of the invention as applied to the field of multi-channel transcranial magnetic stimulation, wherein a stimulator coil unit consists of several independently controllable coils 130,140. The electric field (E-field) pattern induced in the target can be modified by adjusting the current flowing through the windings of each individual coil. according to figure 1 , the selection of the coils 130 , 140 can be performed at least by controlling the input channels 150 , 160 of the respective coils 130 , 140 by the control unit 170 . Such as figure 1 As shown schematically in , the circuit energy is fed by a power so...

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Abstract

The invention relates to a transcranial magnetic stimulation device comprising: at least two coils (130, 140), an input channel (150, 160) for each coil (130, 40), a control unit (170), at least one energy storage (120) for storing energy for the at least two coils (130, 140), the control unit (170) is configured to: determine at least one stimulus intensity; determine an energy level stored in the at least one energy storage (120); determine a modulation pattern for each coil (130, 140); generate at least one control signal for controlling the input channel of the at least one coil (130, 140)of the at least two coils (130, 140) according to the determined modulation pattern in order to control an input of each coil (130, 140) from the at least one energy storage (120). A method is also disclosed.

Description

technical field [0001] The present invention generally relates to the technical field of transcranial magnetic stimulation. More specifically, the present invention relates to the control of transcranial magnetic stimulation. Background technique [0002] Transcranial Magnetic Stimulation (TMS) is a non-invasive tool used to stimulate cortical neurons. TMS is used, for example, in preoperative mapping of cortical functional areas, in the study of effective connectivity in the cortex, and in the treatment of major depressive disorder. [0003] In TMS, stimulation is achieved by feeding brief, intense pulses of electrical current through the windings of a coil placed on the subject's scalp. This induces a time-varying magnetic field that induces an electric field in the cortex, causing membrane depolarization and hyperpolarization of the target neurons. [0004] In multi-channel TMS (mTMS), the stimulator coil unit consists of several coils that can be controlled independen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61N2/00A61N2/02
CPCA61N2/006A61N2/02
Inventor 里斯托·伊尔莫涅米亚科·涅米宁拉里·科波宁
Owner 阿尔托大学理工学院