Magnetic stimulation device having planar coil structure

Abstract

A magnetic stimulation device having planar coil structure is disclosed. It contains a power supply module, a current control module, a plurality of planar coil modules and a plurality of electrical connection modules. In the planar coil module of the present invention, the coil structure has a flat and thin design and can be modularized. Compared with the existing magnetic stimulation devices, the overall structure of the present invention is light, thin, short, convenient to carry and use, and can be installed on clothing or built in a mobile device to provide a convenient magnetic stimulation treatment.

What is claimed is: 
     
         1 . A magnetic stimulation device having coil structure, comprising:
 a power supply module, providing electric power;   a current control module, electrically connected with the power supply module, comprising:
 a signal generator, generating a current waveform signal; and 
 a current switch, electrically connected with the signal generator, adjusting a waveform of the current from the power supply module with the current waveform signal to form an adjusted output current; and 
   at least one planar coil module, comprising:
 a first insulating substrate; and 
 a planar coil, formed on the first insulating substrate where two ends of the planar coil and the current switch form a loop, receiving the adjusted output current to generate a corresponding varying intensity magnetic field, 
   wherein, if the number of the planar coil module is one, the planar coil is directly electrically connected with the current switch; if the number of the planar coil module planar coil module is more than one, end points of the planar coils of adjacent two planar coil modules are connected and unconnected endpoints of the planar coils of the first and the last planar coil modules are directly electrically connected with the current switch.   
     
     
         2 . The magnetic stimulation device having coil structure according to  claim 1 , wherein the planar coil module further comprises a ferrite core, located on location of the strongest magnetic field intensity generated by current of the planar coil module, enhancing the overall magnetic permeability of the planar coil module. 
     
     
         3 . The magnetic stimulation device having coil structure according to claim  1 , wherein the current control module further comprises a current limiter, electrically connected between the power supply module and the current switch, limiting the current from the power supply module. 
     
     
         4 . The magnetic stimulation device having coil structure according to  claim 1 , wherein the power supply module comprises at least one primary battery, at least one secondary battery or a power supply. 
     
     
         5 . The magnetic stimulation device having coil structure according to  claim 1 , wherein the signal generator is a waveform generator, a pulse generator or a clock generator. 
     
     
         6 . The magnetic stimulation device having coil structure according to  claim 1 , wherein a waveform of the current waveform signal is a sine wave, a half sine wave, a pulse wave or a fixed waveform. 
     
     
         7 . The magnetic stimulation device having coil structure according to  claim 1 , wherein the planar coil is made by etching metal foil, winding metal wire or printing conductive adhesive. 
     
     
         8 . The magnetic stimulation device having coil structure according to  claim 1 , wherein a material of the first insulating substrate is bakelite, cotton paper, epoxy resin, glass cloth, glass fiber, phenolic resin, glass, polyimide or polyester. 
     
     
         9 . The magnetic stimulation device having coil structure according to  claim 1 , further comprising a plurality of electrical connection modules, electrically connected with the planar coil module and the current switch to form a loop, wherein each electrical connection module comprises:
 a second insulating substrate;   at least one wire, formed on the second insulating substrate; and   a waterproof protective layer, covering the at least one wire and the second insulating substrate to protect the at least one wire and avoid damages from external water.   
     
     
         10 . The magnetic stimulation device having coil structure according to  claim 9 , wherein a material of the second insulating substrate is polyimide or polyester. 
     
     
         11 . The magnetic stimulation device having coil structure according to  claim 9 , wherein a material of the waterproof protective layer is polyimide film or polyethylene terephthalate film. 
     
     
         12 . The magnetic stimulation device having coil structure according to  claim 1 , wherein the planar coil is formed around a specific pattern. 
     
     
         13 . The magnetic stimulation device having coil structure according to  claim 1 , wherein an electric stimulation magnetic field of the planar coil module generated by the adjusted output current ranges from 0 to 1000 Gauss.