Method and apparatus for neuromagnetic stimulation
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United States of America Patent
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Dec 19, 1995
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N/A
app pub date -
Mar 11, 1994
filing date -
Mar 11, 1993
priority date (Note) -
Expired
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Abstract
A method for neuromagnetic stimulation or functional neuromuscular stimulation comprises applying a magnetic field with a magnetic induction B to a subcutaneous nerve tissue to be stimulated, and simultaneously directing a focused beam of ultrasonic waves into the magnetic field region such that the ultrasonic waves vibrate orthogonally to the direction of the magnetic field, thereby producing a subcutaneous focus of stimulation having a focal diameter of approximately 1 cm, in order to confine the stimulation into a single nerve bundle or one single nerve region, and to avoid unintentional stimulation of adjoining nerve regions. An apparatus is described for carrying out such method.
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