Automatic adjusting induction coil treatment device

Details Automatic adjusting induction coil treatment device Automatic adjusting induction coil treatment device

A - Human Necessities

61

N

326/1

A61N 1/40 (2006.01)

Patent

CA 1258493

ABSTRACT Disclosed are arrangements for sensing the rate of change of magnetic flux density of a medical treatment coil and automatically adjusting pulses of electrical energy provided to the coil so as to properly provide therapy. In one embodiment, a device includes a medical treatment coil, a pulse generator for producing pulses of electrical energy and supplying them to the coil, a sense coil for sensing the magnetic field produced by the coil, and a controller, responsive to the sensed magnetic field, for automatically generating a signal to the pulse generator circuitry to adjust the magnitude of the pulses. In another embodiment, the device includes first and second treatment coils and a multiplexer electrically connected to the coils for selecting either or both of the coils. One of the coils is activated by electrical pulses from a pulse generator. A controller, electrically connected to the multiplexer, selects the other coil for sensing the strength of the magnetic field (dB/dt) produced by the first coil and for, based upon the sensed magnitude, sending a signal to the pulse generator indicating the magnitude of electrical pulses to be provided to the first coil.

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