# US 12,213,793 B2 · Head mountable device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,213,793 B2 - Document ID: US12213793B2 - Status: Granted - Kind: B2 - Application number: 18/365,653 - Filed: 2023-08-04 - Published: 2024-01-25 - Granted: 2025-02-04 - Earliest claimed: 2017-05-02 - Assignees: HeadSafeIP Pty Ltd - Applicants: HeadSafeIP Pty Ltd - Inventors: Adrian John Cohen - Web page: https://patentgrep.com/patent/US12213793B2 ## CPC - A61B 5/378: Visual stimuli - A61B 5/0006: {ECG or EEG signals} - A61B 5/377: using evoked responses - A61B 5/4064: {Evaluating the brain (for intracranial pressure A61B5/031; for cerebral blood gases A61B5/14553; using EEG A61B5/369)} - A61B 5/6803: {Head-worn items, e.g. helmets, masks, headphones or goggles} - A61B 5/7235: {Details of waveform analysis (detecting specific parameters of the electrocardiograph cycle A61B5/349)} - A61B 5/0015: {characterised by features of the telemetry system} - A61B 5/7264: {Classification of physiological signals or data, e.g. using neural networks, statistical classifiers, expert systems or fuzzy systems} - A61B 2503/10: Athletes - A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D) ## Abstract A head mountable device for detecting a functional disorder of a brain in a patient, includes: an opaque visor unit for positioning over eyes of the patient, a plurality of reference sensors adapted to detect a reference electrical potential for the patient during exposure to the visual stimulus, and a sensor housing including at least one electroencephalogram (EEG) electrode for measuring electrical potential generated by the brain of the patient. The visor unit includes an arrangement of a plurality of LEDs positioned on an inside surface of said visor unit to which, during use, the eyes of the patient are exposed, and an LED driver, said LED driver being configured to control each of said LEDs independently to display a visual stimulus. ## Claims ### Claim 1 A head mountable device for detecting a functional disorder of a brain in a patient, comprising: an opaque visor unit for positioning over eyes of the patient, wherein the visor unit includes: an arrangement of a plurality of LEDs positioned on an inside surface of said visor unit to which, during use, the eyes of the patient are exposed; a sensor housing including: three electroencephalogram (EEG) recording electrodes for measuring electrical potentials generated by the brain of the patient, an LED driver configured to control each of the plurality of LEDs independently to display a visual stimulus, a processor for controlling activation of the three EEG recording electrodes and the LED driver, and a battery for powering the LEDs and the processor; a headband coupling the sensor housing to the visor unit, wherein the LED driver is coupled to each of the plurality of LEDs by electrical connections from the sensor housing to the visor unit a first reference electrode configured to provide a reference point against which electrical potential signal data is measured by each of the three EEG recording electrodes; and a second reference electrode configured to provide a feedback cancellation signal; the device being configured to be mountable on a head of the patient such that when mounted on the head of the patient the plurality of LEDs are positioned before the eyes of the patient and the three EEG recording electrodes are positioned adjacent to an occipital lobe of the patient to receive signals from O1, O2, and Oz of the occipital lobe of the patient, respectively. ### Claim 2 (depends on 1) The head mountable device according to claim 1, wherein said visor unit further comprises: a bridge suitable for positioning said visor unit on a nose of the patient, said arrangement of said plurality of LEDs being positioned symmetrically on both sides of said bridge on said inside surface of said visor unit. ### Claim 3 (depends on 1) The head mountable device according to claim 1, wherein said LED driver is adapted to activate said plurality of LEDs in a predefined illumination sequence, wherein said predefined illumination sequence includes at least one of simultaneous illumination of the plurality of LEDs, sequential illumination of the plurality of LEDs, and selective activation of the plurality of LEDs. ### Claim 4 (depends on 1) The head mountable device according to claim 1, wherein said LED driver is adapted to activate said plurality of LEDs in a predefined flashing pattern. ### Claim 5 (depends on 1) The head mountable device according to claim 1, wherein the visual stimulus is a light pulse, and wherein the plurality of LEDs are controlled to generate visual stimulus light pulses at a frequency of between 5 Hz to 60 Hz. ### Claim 6 (depends on 5) The head mountable device according to claim 5, wherein the visual stimulus light pulses at a frequency of 15 Hz. ### Claim 7 (depends on 1) The head mountable device according to claim 1, wherein the visual stimulus is white light. ### Claim 8 (depends on 1) The head mountable device according to claim 1, wherein the three EEG recording electrodes are configured to detect electrical signals from the occipital lobe of the patient in response to the visual stimulus when the device is mounted on the head of the patient. ### Claim 9 (depends on 1) The head mountable device according to claim 1, further comprising: a memory, the memory being configured to store predetermined electrical potential data, wherein the processor is configured to: receive electric potential signal data from the three EEG recording electrodes with reference to said first reference electrode; and compare said received electric potential signal data with said stored predetermined electric potential data to detect a functional disorder of the brain, wherein the predetermined electric potential data are at least one of: amplitude of an electric signal; frequency of the electric signal; or latency of the electric signal. ### Claim 10 (depends on 1) The head mountable device according to claim 1, wherein the functional disorder of the brain is selected from the group consisting of: concussion, neurological impairment, dementia, and multiple sclerosis. ### Claim 11 (depends on 1) The head mountable device according to claim 1, further comprising a receiver, the receiver configured to receive activation signals for the plurality of LEDs, the plurality of LEDs being configured to display the visual stimulus on receipt of an activation signal, wherein the receiver is one of: (i) a radio receiver configured to receive activation signals from a computing device across a wireless communications network; or (ii) a radio receiver configured to receive activation signals from a computing device across a wireless communications network. ### Claim 12 (depends on 1) The head mountable device according to claim 1, the sensor housing further comprising a sensor plate, wherein said sensor plate includes said first reference electrode and said second reference electrode positioned substantially horizontally above said three EEG recording electrodes, said sensor plate being configured to be positioned at the rear of the head of the patient when in use such that the three EEG recording electrodes are configured to be positioned adjacent to the occipital lobe of the patient. ### Claim 13 (depends on 1) The head mountable device of claim 1, wherein the sensor housing further includes: a pre-amplifier to amplify said measured electrical potential signal data. ### Claim 14 (depends on 1) The head mountable device of claim 1, wherein the headband is adjustable. ### Claim 15 (depends on 1) The head mountable device of claim 1, further comprising: a skin interface gasket coupled to said visor unit and configured to contact a face of the patient when the device is mounted on the head of the patient. ### Claim 16 (depends on 1) The head mountable device of claim 1, wherein said sensor housing further includes a support configured to hold the device in position on the head of the patient, and further wherein at least one of said opaque visor unit and support is made from a polymer. ### Claim 17 (depends on 1) A system for detecting a functional disorder of a brain in a patient, the system comprising: a head mountable device according to claim 1, wherein the head mountable device further comprises: a receiver configured for receiving electric potential signal data from at least one of the three EEG recording electrodes; and a wired or wireless transmitter configured for transmitting said received electric potential signal data and said reference electrical potential; and the system further comprising: a computing device, said computing device including: a wired or wireless receiver configured for receiving said transmitted electric potential signal data; a computing device memory configured for storing predefined results; and a computing device processor configured to compare said electric potential signal data with said stored predefined results to diagnose a condition of the patient. ### Claim 18 (depends on 1) A method for detecting a functional disorder of a brain in a patient, the method comprising the steps of: using the head mountable device according to claim 1 to provide the visual stimulus to the patient; measuring an electrical response of the brain to the visual stimulus using at least one of the three EEG recording electrodes positioned adjacent to the occipital lobe of the patient; and, comparing the electrical response of the brain to predefined electrical data to detect the functional disorder of the brain. ### Claim 19 (depends on 17) A method for detecting a functional disorder of a brain in a patient using the system of claim 17, the method comprising the steps of: using the head mountable device to provide the visual stimulus to the patient; measuring an electrical response of the brain to the visual stimulus using at least one of the three EEG recording electrodes positioned adjacent to the occipital lobe of the patient; transmitting the measured electrical response to the computing device; and utilizing the computing device processor to compare the electrical response of the brain to predefined results to diagnose the functional disorder of the brain.