Pulsed electromagnetic field (PEMF) stimulation therapy system w

Details Pulsed electromagnetic field (PEMF) stimulation therapy system w Pulsed electromagnetic field (PEMF) stimulation therapy system w

1998-03-02

2000-10-17

Layno, Carl H.

Surgery

Magnetic field applied to body for therapy

Electromagnetic coil

607 2, A61N 204, A61N 202

Patent

active

061323624

ABSTRACT:
A PEMF therapy system uses a bi-phasic coil PEMF transducer for generating PEMF stimulation signals. The coil has a "bi-phasic" operation, such that current flows through it in two directions. A drive circuit recovers the flyback energy from the transducer coil and dumps voltage to an energy recovery capacitance circuit. The transducer is thereby energized and de-energized to provide the electromagnetic field. The same concepts are applicable to series-connected coils. The transducer is especially suited for high frequency operation.

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