Central base coils for deep transcranial magnetic stimulation
First Claim
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1. A coil for magnetic stimulation, the coil comprising:
- a base portion includinga central axis defining a base portion right side and a base portion left side, wherein said base portion right side is positioned on a right side of said central axis and said base portion left side is positioned on a left side of said central axis,multiple right side stimulating elements, said right side stimulating elements positioned in said base portion right side, wherein said multiple right side stimulating elements are substantially parallel to one another, said multiple right side stimulating elements configured to carry electrical current in substantially a first direction, andmultiple left side stimulating elements, said left side stimulating elements positioned in said base portion left side, wherein said multiple left side stimulating elements are substantially parallel to one another, said multiple left side stimulating elements configured to carry electrical current in substantially said first direction; and
a return portion includingmultiple right side return elements positioned on the right side of said central axis, wherein each of said right side return elements corresponds to one of said multiple right side stimulating elements and wherein each of said right side return elements is positioned further away from said central axis than its corresponding right side stimulating element, wherein said multiple right side return elements are substantially parallel to one another, and wherein each of said multiple right side return elements is configured to carry electrical current in substantially a second direction, wherein said second direction is an opposite direction to said first direction, andmultiple left side return elements positioned on the left side of said central axis, wherein each of said left side return elements corresponds to one of said multiple left side stimulating elements and wherein each of said left side return elements is positioned further away from said central axis than its corresponding left side stimulating element, wherein said multiple left side return elements are substantially parallel to one another, and wherein each of said multiple left side return elements is configured to carry electrical current in substantially said second direction,wherein said return portion is spaced a distance away from said base portion.
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Abstract
A transcranial magnetic stimulation coil which is location-specific for medial brain regions or lateral brain regions is designed with multiple spaced apart stimulating elements having current flow in a first direction, and multiple return elements having current flow in a second direction which is opposite the first direction. The multiple stimulating elements are distributed around a central axis of the coil.
30 Citations
20 Claims
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1. A coil for magnetic stimulation, the coil comprising:
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a base portion including a central axis defining a base portion right side and a base portion left side, wherein said base portion right side is positioned on a right side of said central axis and said base portion left side is positioned on a left side of said central axis, multiple right side stimulating elements, said right side stimulating elements positioned in said base portion right side, wherein said multiple right side stimulating elements are substantially parallel to one another, said multiple right side stimulating elements configured to carry electrical current in substantially a first direction, and multiple left side stimulating elements, said left side stimulating elements positioned in said base portion left side, wherein said multiple left side stimulating elements are substantially parallel to one another, said multiple left side stimulating elements configured to carry electrical current in substantially said first direction; and a return portion including multiple right side return elements positioned on the right side of said central axis, wherein each of said right side return elements corresponds to one of said multiple right side stimulating elements and wherein each of said right side return elements is positioned further away from said central axis than its corresponding right side stimulating element, wherein said multiple right side return elements are substantially parallel to one another, and wherein each of said multiple right side return elements is configured to carry electrical current in substantially a second direction, wherein said second direction is an opposite direction to said first direction, and multiple left side return elements positioned on the left side of said central axis, wherein each of said left side return elements corresponds to one of said multiple left side stimulating elements and wherein each of said left side return elements is positioned further away from said central axis than its corresponding left side stimulating element, wherein said multiple left side return elements are substantially parallel to one another, and wherein each of said multiple left side return elements is configured to carry electrical current in substantially said second direction, wherein said return portion is spaced a distance away from said base portion. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. A method for treating a neurophysiological condition, the method comprising:
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identifying a subject suffering from a neurophysiological condition; placing a coil on said subject'"'"'s head, the coil including a base portion having a central axis defining a base portion right side on a right side of the central axis and a base portion left side on a left side of the central axis, multiple right side stimulating elements in said base portion right side, said multiple right side stimulating elements substantially parallel to one another and configured to carry electrical current in substantially a first direction, multiple left side stimulating elements in said base portion left side, said multiple left side stimulating elements substantially parallel to one another and configured to carry electrical current in substantially the first direction, and a return portion having multiple right side return elements positioned on the right side of central axis, wherein each of the right side return elements corresponds to one of the multiple right side stimulating elements, and wherein each of the right side return elements is positioned further away from the central axis than its corresponding right side stimulating element, wherein each of the multiple right side return elements is configured to carry electrical current in substantially a second direction, wherein the second direction is an opposite direction to the first direction, the return portion further including multiple left side return elements positioned on the left side of the central axis, wherein each of the left side return elements corresponds to one of the multiple left side stimulating elements, and wherein each of the left side return elements is positioned further away from the central axis than its corresponding left side stimulating element, wherein each of the multiple left side return elements is configured to carry electrical current in substantially the second direction; and activating said coil to stimulate a deep region of said subject'"'"'s brain. - View Dependent Claims (20)
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Specification