Shaped coils for transcranial magnetic stimulation
First Claim
1. A Transcranial Magnetic Stimulation (TMS) electromagnet comprising:
- a first bent magnetic coil loop comprising a plurality of conductive windings;
a second bent magnetic coil loop comprising a plurality of conductive windings; and
a generally V-shaped bottom vertex region between the first and second bent magnetic coil loops;
wherein the V-shaped bottom vertex region is formed by arranging immediately adjacent portions of each bent magnetic coil loop at an angle of between about 70 and about 110 degrees relative to one another.
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Accused Products
Abstract
Described herein are shaped coil TMS electromagnets formed by two bent magnetic coil loops joined at a vertex having an angle between the outer coil regions of the coils that is typically less than 120 degrees (e.g., between about 45 and about 70 degrees, 60 degrees, etc.). The vertex region shaped to optimize the magnetic field projected from the TMS electromagnet. For example, the vertex region may be horizontal or vertical. In some variations the vertex region is formed by re-arranging the conductive windings forming the two coils so that they are no longer arranged in the same columnar structure that they are in the other portions of the bent magnetic coil loops. These TMS electromagnets may be well suited for use in deep-brain Transcranial Magnetic Stimulation.
156 Citations
16 Claims
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1. A Transcranial Magnetic Stimulation (TMS) electromagnet comprising:
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a first bent magnetic coil loop comprising a plurality of conductive windings; a second bent magnetic coil loop comprising a plurality of conductive windings; and a generally V-shaped bottom vertex region between the first and second bent magnetic coil loops; wherein the V-shaped bottom vertex region is formed by arranging immediately adjacent portions of each bent magnetic coil loop at an angle of between about 70 and about 110 degrees relative to one another. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A transcranial Magnetic Stimulation (TMS) electromagnet, comprising:
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a first bent magnetic coil loop comprising a plurality of conductive windings, the first bent magnetic coil loop having an inner coil region and an outer coil region; and a second bent magnetic coil loop comprising a plurality of conductive windings, the second bent magnetic coil loop having an inner coil region and an outer coil region; wherein the electromagnet further includes an interleaved vertex region that comprises windings from the inner coil region of the first bent magnetic coil loop that overlap with windings from the inner coil region of the second bent magnetic coil loop. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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Specification