IP Library Granted Patent US 11,219,394
Granted Patent B2
US 11,219,394 · App. 16/158,711 · Granted Jan 11, 2022

System, process, and devices for real-time brain monitoring in panic and anxiety disorder

Inventors: Vera Nenadovic (Mississauga, CA); Ramon Mariano Guevara Erra (Saint-Rémy-lès-Chevreuse, FR); Jason Boulet (Hamilton, CA)
Assignee: BRAINSVIEW INC.
A61B5/165A61B5/291A61B5/7225A61B2562/046
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Quick Facts
Patent No.
US 11,219,394
App. No.
16/158,711
Granted
Jan 11, 2022
Kind
B2
Abstract

Systems, processes and devices for real-time brain monitoring for anxiety to generate and control an interface of a display device with a visual representation of a Brain Value Index for anxiety, a connectivity map and treatment guidance. Systems, processes and devices for real-time brain monitoring capture sensor data, process the data and dynamically update the interface in real-time.

Claims (44)

1. A system for real-time brain monitoring for anxiety and panic disorders and response to treatment comprising:

a plurality of sensors for acquisition of real-time raw sensor data for monitoring a patient's brain, each sensor corresponding to a channel;

a collector device coupled to the plurality of sensors for pre-processing the real-time raw sensor data;

a server comprising:

at least one processor; and

a memory comprising instructions which, when executed by the at least one processor, configure the at least one processor to:

receive sensor data from the collector device;

compute using the sensor data, a connectivity matrix having connectivity values, a connectivity value for each pair of channels, and a real-time brain value index corresponding to a real-time anxiety state of the patient; and

generate visual elements for an interface in real-time, the visual elements representing the real-time brain value index to depict the anxiety state of the patient and a connectivity map for the connectivity matrix, the connectivity map visually indicating the channels of the sensors and a connecting line between a pair of channels representing a strength of connection between the pair of channels, the at least one processor configured to issue control commands to update the interface using the generated visual elements; and

a display device to display and update the interface with the visual elements based on the issued control commands from the server;

wherein the brain value index is computed based on a total number of possible pairs of channels given a specific channel montage N=Nc!/2!(Nc−p)!, Nc being a number of channels, p being a number of connected pairs of channels, p being calculated using a threshold value and the connectivity values of the connectivity matrix, wherein the at least one processor is configured to compute an entropy value associated with the p values and calculates a normalized entropy to a value between 0 and 1.

2. The system of claim 1 , wherein the at least one processor is configured to compute treatment guidance, the treatment guidance providing a monitoring state, and an intervention state for anxiety.

3. The system of claim 1 , wherein the display device provides feedback data to refine or update the processing by the server.

4. The system of claim 1 , wherein the at least one processor is configured to compute a phase synchronization value for an angle between the respective pair of channels using the sensor data for the respective pair of channels, wherein entries of the connectivity matrix are the phase synchronization values the pairs of channels.

5. The system of claim 1 , wherein the at least one processor is configured to generate a boolean connectivity matrix based on the connectivity matrix, such that an entry of the boolean connectivity matrix is 0 if a corresponding connectivity value is lower than a threshold value, and 1 if a corresponding connectivity value is higher than the threshold value, wherein the server computes the threshold value from sensor data for a normal adult with eyes open, wherein a connected channel is defined as entries 1.

6. The system of claim 1 , wherein the at least one processor is configured to implement machine learning to compute the brain value index based on historical data for the patient or other patients.

7. The system of claim 1 , wherein the at least one processor is configured to compute treatment guidance using the brain value index, the treatment guidance triggers treatment for organ donation upon detecting that the patient is a candidate for the organ donation by evaluating the brain value index using an organ donation threshold value.

8. The system of claim 1 , wherein the at least one processor is configured to compute treatment guidance using the brain value index, wherein the treatment guidance provides a monitoring state, an intervention state and a resuscitate state.

9. The system of claim 1 , wherein the display device provides feedback data to refine or update the computations by the server, the feedback data confirming the accuracy of the brain value index.

10. The system of claim 1 , wherein the at least one processor is configured to compute treatment guidance using the brain value index, wherein the server implements machine learning to generate recommended treatments as part of the treatment guidance based on historical data for the patient or other patients.

11. The system of claim 1 , wherein the real-time raw sensor data is linked with a patient identifier and time indicia.

12. The system of claim 1 , wherein the interface comprises a graph of raw EEG signals per channel over time and a listing of the connectivity values over time or at a point in time.

13. The system of claim 1 , wherein the at least one processor is configured to generate the interface to include visual elements depicting the channels, connections between the channels, and strengths of the connections.

14. The system of claim 1 , wherein the at least one processor is configured to generate the interface to include visual elements depicting a curve and a marker for the brain value index at a position along the curve at a point in time, the position indicating the brain state.

15. A system for real-time brain monitoring comprising:

a plurality of sensors for acquisition of real-time raw sensor data for monitoring a patient's brain, each sensor corresponding to a channel;

a collector device coupled to the plurality of sensors for pre-processing the real-time raw sensor data;

a server comprising:

at least one processor; and

a memory comprising instructions which, when executed by the at least one processor, configure the at least one processor to:

receive sensor data from the collector device;

compute a connectivity matrix having connectivity values, a connectivity value for each pair of channels, a real-time brain value index for anxiety and treatment data using the sensor data; and

generate visual elements for an interface in real-time, the visual elements representing a connectivity map for the connectivity matrix, the real-time brain value index and the anxiety and treatment data, the visual elements depict the channels, connections between the channels, and strengths of the connections, the at least one processor configured to issue control commands to update the interface, the brain value index corresponding to a real-time anxiety state of the patient, the visual elements to indicate the real-time anxiety state of the patient; and

a display device to display and update the interface with the visual elements based on the issued control commands from the server;

wherein the brain value index is computed based on a total number of possible pairs of channels given a specific channel montage N=Nc!/2!(Nc−p)!, Nc being a number of channels, p being a number of connected pairs of channels, p being calculated using a threshold value and the connectivity values of the connectivity matrix, wherein the at least one processor is configured to compute an entropy value associated with the p values and calculates a normalized entropy to a value between 0 and 1.

16. The system of claim 15 , wherein the treatment guidance provides a monitoring state, an intervention state and a resuscitate state.

17. The system of claim 15 , wherein the display device provides feedback data to refine or update the computations by the server, the feedback data confirming the accuracy of the brain value index.

18. The system of claim 15 , wherein the at least one processor is configured to generate the connectivity map using the connectivity matrix, the connectivity map visually indicating the channels of the sensors and a connecting line between a pair of channels representing a strength of connection between the pair of channels.

19. A processing device for real-time brain monitoring of anxiety comprising:

a network interface for acquisition of real-time raw sensor data for a patient's brain;

a server for processing the real-time raw sensor data to compute a connectivity matrix having connectivity values, a connectivity value for each pair of channels, and a real-time brain value index, the server for generating visual elements for an interface in real-time, the visual elements representing a connectivity map for the connectivity matrix, the real-time brain value index for anxiety, the server having a display controller to issue control commands to update the interface, the brain value index corresponding to a real-time anxiety state of the patient;

a storage device for storing computed real-time brain value indices for anxiety; and

a display device having the interface to generate and update a visual representation the real-time brain value index based on the issued control commands from the server;

wherein the brain value index is computed based on a total number of possible pairs of channels given a specific channel montage N=Nc!/2!(Nc−p)!, Nc being a number of channels, p being a number of connected pairs of channels, p being calculated using a threshold value and the connectivity values of the connectivity matrix, wherein the server computes an entropy value associated with the p values and calculates a normalized entropy to a value between 0 and 1.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 5, 2019
From: NENADOVIC, VERA; GUEVARA ERRA, RAMON MARIANO; BOULET, JASON
To: BRAINSVIEW INC.
Reel/Frame 048499/0822 →
Continuity (5)
Continuation In Part 16081333
Provisional Application 62303635 · Mar 4, 2016
Provisional Application 62365506 · Jul 22, 2016
Provisional Application 62571405 · Oct 12, 2017
Related Publication 20190038203A1 · Feb 7, 2019