	US 12,478,796 B2
	Magnetic stimulation method with controllable induced field direction
Donghua Pan, Harbin (CN); Jinting Wang, Harbin (CN); Yiding Wang, Harbin (CN); Jiayu Zhai, Harbin (CN); Yanlu Chen, Harbin (CN); and Liyi Li, Harbin (CN)
Assigned to Harbin Institute of Technology, Harbin (CN)
Filed by Harbin Institute of Technology, Harbin (CN)
Filed on Mar. 15, 2022, as Appl. No. 17/694,812.
Claims priority of application No. 202111249448.3 (CN), filed on Oct. 26, 2021.
Prior Publication US 2023/0128566 A1, Apr. 27, 2023
Int. Cl. A61N 2/02 (2006.01); A61N 2/00 (2006.01)

CPC A61N 2/02 (2013.01) [A61N 2/006 (2013.01)]

2 Claims

1. A method, comprising:

S100, determining currents i_1j, i_2j, i_3j, j=1, 2, . . . n required to respectively generate unit vector electric fields at a target point P_t, when the currents i_1j, i_2j, i_3j, are respectively applied through a coil j of a magnetic stimulation coil group, n≥3 and n being an integer;

S200, decomposing an electric field E required at the target point P_tto three electric field components E₁, E₂, E₃;

S300, calculating currents I_1j, I_2j, I_3jthat respectively generate the electric field components E₁, E₂, E₃at the target point P_t, I_1j=E₁i_1j, I_2j=E₂i_2j, I_3j=E₃i_3j;

S400, generating the electric field E at the target point P_tby applying a current I_j=I_1j+I_2j+I_3j=E₁i_1j+E₂i_2j+E₃i_3jthrough the coil j, j=1, 2, . . . , n.