# US 11,998,755 B2 · Head-mountable adjustable devices for generating magnetic fields > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,998,755 B2 - Document ID: US11998755B2 - Status: Granted - Kind: B2 - Application number: 17/067,523 - Filed: 2020-10-09 - Published: 2021-06-10 - Granted: 2024-06-04 - Earliest claimed: 2017-01-17 - Assignees: Wave Neuroscience, Inc. - Applicants: Wave Neuroscience, Inc. - Inventors: Robert Andrew Charles; Daniel Ernest Hamilton; Derek John Hugger; James W. Phillips; Jacob Wenner Eisner; Jeffrey Alan Kessler; Aaron Soloway; Peter Scott MacDonald - Web page: https://patentgrep.com/patent/US11998755B2 ## CPC - A61N 2/12: using variable magnetic fields obtained by mechanical movement - A61B 5/372: Analysis of electroencephalograms - A61B 5/384: Recording apparatus or displays specially adapted therefor - A61N 2/006: {for magnetic stimulation of nerve tissue} - A61N 2/06: using magnetic fields produced by permanent magnets (A61N2/12 takes precedence) - A61B 5/374: Detecting the frequency distribution of signals, e.g. detecting delta, theta, alpha, beta or gamma waves - A61N: ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY (measurement of bioelectric currents A61B; surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body A61B18/00; anaesthetic apparatus in general A61M; incandescent lamps H01K; infrared radiators for heating H05B) - A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D) ## Abstract Helmets for applying a magnetic field to the head of a subject, comprising: a housing comprising a concave surface configured to receive a portion of the head of the subject; a motor coupled to one or more of: a first permanent magnet via a first axle along a first axis of rotation, wherein the first axle drives movement of the first magnet; a second magnet via a second axle along a second axis of rotation wherein the second axle drives movement of the second magnet; and a third magnet via a third axle along the third axis of rotation wherein the third axle drives movement of the third magnet, wherein the axes are parallel; and a fit mechanism comprising a adjuster coupled to the first magnet, wherein movement of the adjustor moves the first magnet independently of the second or the third magnet. ## Claims ### Claim 1 A device for applying a magnetic field to a head of a subject, comprising: a housing operable to receive at least a portion of the head of the subject, wherein the housing is reversibly transformable between a closed configuration and an open configuration; a magnet assembly within the housing comprising: a first permanent magnet, a second permanent magnet, a third permanent magnet, and a first motor coupled to one or more of: a first axle of the first permanent magnet, wherein the first axle has a first axis of rotation, and wherein the first axle is operable to drive movement of the first permanent magnet; a second axle connected to the second permanent magnet, wherein the second axle has a second axis of rotation, and wherein the second axle is operable to drive movement of the second permanent magnet; or a third axle connected to the third permanent magnet, wherein the third axle has a third axis of rotation, wherein the third axle is operable to drive movement of the third permanent magnet; wherein two or more of the first axis, the second axis, or the third axis are substantially parallel to each other; and a first fit mechanism comprising a first adjuster coupled to the first permanent magnet, wherein movement of the first adjuster moves the first permanent magnet independently of one or more of the second permanent magnet and the third permanent magnet, relative to the housing, and wherein the first adjuster extends outside of the housing when the housing is in the closed configuration such that the first adjuster is operable to be accessible to one or more of a user and the subject when the housing is positioned on the head of the subject. ### Claim 2 (depends on 1) The device of claim 1, wherein the housing comprises a concave surface such that upon placement of the housing on the subject: the second permanent magnet is positioned in between the first and the third permanent magnets; the first and the third permanent magnets rotate in a first direction; and the second permanent magnet rotates in an opposite direction from the first direction. ### Claim 3 (depends on 1) The device of claim 1, wherein the housing comprises an upper part and a lower part, wherein a first portion of the upper part and a first portion of the lower part are connected when the housing is in the closed configuration, and wherein a second portion of the upper part and a second portion of the lower part are not connected when the housing is in the closed configuration. ### Claim 4 (depends on 1) The device of claim 1, wherein the first fit mechanism is operable to reversibly move the first permanent magnet relative to the housing by 0.01 inches to 0.5 inches. ### Claim 5 (depends on 1) The device of claim 1, wherein the first fit mechanism further comprises: a fastener attached to the housing, the fastener operable to fasten the first axle and the first permanent magnet at a height; a limiter operable to limit an adjustment of the height within a pre-selected range; a height measurement sensor operable to measure a distance from the first permanent magnet to the head of the subject when the housing is positioned on the head of the subject; a feedback receiver that receives a distance feedback from the height measurement sensor; a processor; a computer readable media executable by the processor to control the movement of the first adjuster based on the feedback; or a combination thereof. ### Claim 6 (depends on 1) The device of claim 1, wherein the first adjuster comprises: a knob; a lever; a buckle with adjustable straps; a screw mechanism; or a combination thereof. ### Claim 7 (depends on 1) The device of claim 1, wherein a north pole-south pole axes of two or more of said first, second, or third permanent magnets are aligned during rotational movements. ### Claim 8 (depends on 1) The device of claim 1, wherein neutral planes of two or more of said first, second, or third permanent magnets are aligned. ### Claim 9 (depends on 1) The device of claim 1, wherein two or more of said first permanent magnet, said second permanent magnet, or said third permanent magnet are spaced apart from each other by one or more preselected distances, and wherein the one or more preselected distances are adjustable. ### Claim 10 (depends on 1) The device of claim 1, wherein the first fit mechanism is operable to adjust a distance between the first motor and the head of the subject when the housing is positioned on the head of the subject. ### Claim 11 (depends on 1) The device of claim 1, further comprising a second fit mechanism comprising a second adjuster coupled to the second permanent magnet, wherein the second adjuster is operable to be accessible to one or more of the user and the subject when the housing is positioned on the head of the subject, and wherein movement of the second adjuster moves the second permanent magnet independently of one or more of the first permanent magnet and the third permanent magnet, relative to the head of the subject, by a distance of from about 0.1 millimeter to about 50.0 millimeters when the housing is positioned on the head of the subject. ### Claim 12 (depends on 11) The device of claim 11, further comprising a third fit mechanism comprising a third adjuster coupled to the third permanent magnet, wherein the third adjuster is operable to be accessible to one or more of the user and the subject when the housing is positioned on the head of the subject, and wherein movement of the third adjuster moves the third permanent magnet independently of one or more of the first permanent magnet and the second permanent magnet, relative to the head of the subject, by a distance of from about 0.1 millimeter to about 50.0 millimeters when the housing is positioned on the head of the subject. ### Claim 13 (depends on 1) The device of claim 1, further comprising a padding, wherein the padding is operable to be positioned between a concave surface of the housing and the head of the subject. ### Claim 14 (depends on 1) The device of claim 1, further comprising a fastener that is operable to fasten the housing relative to the head of the subject. ### Claim 15 A system, comprising: a device comprising: a housing operable to receive at least a portion of a head of a subject, wherein the housing is reversibly transformable between a closed configuration and an open configuration; a magnet assembly within the housing comprising: a first permanent magnet, a second permanent magnet, and a third permanent magnet; and a first fit mechanism comprising a first adjuster coupled to the first permanent magnet, wherein movement of the first adjuster moves the first permanent magnet independently of one or more of the second permanent magnet and the third permanent magnet, relative to the housing, and wherein the first adjuster extends outside of the housing when the housing is in the closed configuration such that the first adjuster is operable to be accessible to one or more of a user and the subject when the housing is positioned on the head of the subject; and a controller comprising a processor and non-transitory computer readable media, wherein the processor is operable to execute an instruction to control the first fit mechanism of the device using one or more of a wired connection and a wireless connection. ### Claim 16 (depends on 15) The system of claim 15, wherein the controller is not positioned within the housing. ### Claim 17 (depends on 15) The system of claim 15, wherein the controller is not physically attached to the housing. ### Claim 18 (depends on 15) The system of claim 15, wherein the processor is further configured to execute an instruction to cause one or more of: collecting electroencephalogram (EEG) data of the subject, receiving the EEG data of the subject, storing the EEG data of the subject, calculating an intrinsic frequency using the EEG data of the subject, and calculating a Q-factor of the intrinsic frequency using the EEG data of the subject. ### Claim 19 A device, comprising a housing operable to receive at least a portion of a head of a subject, wherein the housing is reversibly transformable between a closed configuration and an open configuration; a magnet assembly within the housing comprising: a first permanent magnet, a second permanent magnet, and a third permanent magnet; and a first fit mechanism comprising a first adjuster coupled to the first permanent magnet, wherein movement of the first adjuster moves the first permanent magnet independently of one or more of the second permanent magnet and the third permanent magnet, relative to the housing, and wherein the first adjuster extends outside of the housing when the housing is in the closed configuration such that the first adjuster is operable to be accessible to one or more of a user and the subject when the housing is positioned on the head of the subject. ### Claim 20 (depends on 19) The device of claim 19, wherein the magnet assembly further comprises a first motor coupled to one or more of: a first axle of the first permanent magnet, wherein the first axle has a first axis of rotation, and wherein the first axle is operable to drive movement of the first permanent magnet; a second axle connected to the second permanent magnet, wherein the second axle has a second axis of rotation, and wherein the second axle is operable to drive movement of the second permanent magnet; and a third axle connected to the third permanent magnet, wherein the third axle has a third axis of rotation, wherein the third axle is operable to drive movement of the third permanent magnet, wherein two or more of the first axis, the second axis, or the third axis are substantially parallel to each other.