Device and method for non-invasive, localized neural stimulation utilizing hall effect phenomenon
First Claim
1. A method of stimulating a nerve in tissue of a patient, the method comprising:
- applying a focused ultrasound beam to the tissue;
applying a first magnetic field to the tissue;
applying a second magnetic field to the tissue, the second magnetic field differing from the first magnetic field, the ultrasound beam and the first and second magnetic fields combining to stimulate the nerve; and
applying an electric field to a surface of the tissue spaced apart from the nerve.
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Abstract
One aspect of the invention provides a method of stimulating a nerve in tissue of a patient. The method includes the following steps: applying a focused ultrasound beam to the tissue; applying a first magnetic field to the tissue; and applying a second magnetic field to the tissue, the ultrasound beam and the first and second magnetic fields combining to stimulate the nerve. Another aspect of the invention provides a nerve stimulation device having two magnetic coils of opposite polarity each adapted to generate a magnetic field in a patient'"'"'s tissue, the coils being positioned to generate a substantially toroidal magnetic field within the patient'"'"'s tissue; and an ultrasound source adapted to transmit a focused ultrasound beam into the patient'"'"'s tissue.
81 Citations
9 Claims
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1. A method of stimulating a nerve in tissue of a patient, the method comprising:
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applying a focused ultrasound beam to the tissue; applying a first magnetic field to the tissue; applying a second magnetic field to the tissue, the second magnetic field differing from the first magnetic field, the ultrasound beam and the first and second magnetic fields combining to stimulate the nerve; and applying an electric field to a surface of the tissue spaced apart from the nerve. - View Dependent Claims (2, 3, 4, 5, 9)
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6. A method of stimulating a nerve in tissue of a patient, the method comprising:
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applying a focused ultrasound beam to the tissue; applying a first magnetic field to the tissue; applying a second magnetic field to the tissue; and applying an electric field to a tissue surface spaced apart from the nerve, the ultrasound beam, the first and second magnetic fields and the electric field combining to stimulate the nerve. - View Dependent Claims (7, 8)
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Specification