Methods and systems for remotely determining levels of healthcare interventions

• US 9,734,295 B1
• Filed: 03/31/2015
• Issued: 08/15/2017
• Est. Priority Date: 05/16/2013
• Status: Active Grant

• Current Assignee: CarePredict, Inc.
• Original Assignee: CarePredict, Inc.
• Inventors: Movva, Satish
• Primary Examiner(s): Kanaan, Maroun
• Application Number:
  US14/674,813
• Time in Patent Office: 868 Days
• CPC Class Codes: A61B 2562/0219 Inertial sensors, e.g. accelerometers, gyroscopes, tilt switches
• CPC Class Codes: A61B 2562/0223 Magnetic field sensors
• CPC Class Codes: A61B 2562/0271 Thermal or temperature sensors
• CPC Class Codes: A61B 5/0017 transmitting optical signals transmission by light H04B10/00
• CPC Class Codes: A61B 5/002 Monitoring the patient using a local or closed circuit, e.g. in a room or building A61B5/0017 takes precedence
• CPC Class Codes: A61B 5/0022 Monitoring a patient using a global network, e.g. telephone networks, internet
• CPC Class Codes: A61B 5/0533 Measuring galvanic skin response
• CPC Class Codes: A61B 5/1113 Local tracking of patients, e.g. in a hospital or private home
• CPC Class Codes: A61B 5/1116 Determining posture transitions
• CPC Class Codes: A61B 5/1117 Fall detection
• CPC Class Codes: A61B 5/1118 Determining activity level
• CPC Class Codes: A61B 5/1121 Determining geometric values, e.g. centre of rotation or angular range of movement
• CPC Class Codes: A61B 5/1123 Discriminating type of movement, e.g. walking or running A61B5/1116, A61B5/112 take precedence
• CPC Class Codes: A61B 5/1127 using markers
• CPC Class Codes: A61B 5/6801 specially adapted to be attached to or worn on the body surface
• CPC Class Codes: A61B 5/6843 Monitoring or controlling sensor contact pressure
• CPC Class Codes: A61B 5/7275 Determining trends in physiological measurement data; Predicting development of a medical condition based on physiological measurements, e.g. determining a risk factor
• CPC Class Codes: A61B 5/747 in case of emergency, i.e. alerting emergency services
• CPC Class Codes: G06Q 50/22 Social work or social welfare, e.g. community support activities or counselling services
• CPC Class Codes: G16H 10/65 stored on portable record carriers, e.g. on smartcards, RFID tags or CD
• CPC Class Codes: G16H 20/30 : relating to physical therapies or activities, e.g. physiotherapy, acupressure or exercising
• CPC Class Codes: G16H 40/63 : for local operation
• CPC Class Codes: G16H 40/67 : for remote operation
• CPC Class Codes: G16H 50/70 : for mining of medical data, e.g. analysing previous cases of other patients
• CPC Class Codes: G16H 70/60 : relating to pathologies

Abstract

The present subject matter relates to methods and systems utilizing wearable sensor technology to determine when a patient'"'"'s health may be degrading to trigger progressively higher levels of care and involvement, from “free” hands and eyes to skilled clinicians, in order to keep patients in the lowest cost setting of care, the home, for as long as possible.

Claims

1. A distributed and reconfigurable healthcare communication system comprising:

a plurality of beacons disposed in respective specific areas of a larger area, and configured to transmit a corresponding plurality of transmissions, wherein for each beacon, a corresponding transmission among the plurality of transmissions includes an identifier of the respective beacon associated with a corresponding area among the specific areas in which the respective beacon is disposed;

a wearable sensor configured to continually monitor a wearer comprising;

receiver circuitry for receiving at least one transmission among the plurality of transmissions transmitted by the plurality of beacons,

at least one sensing device configured to sense activity of the wearer of the wearable sensor, to form sensed activity data representative of the activity of the wearer,

a non-transitory memory, and

a processor coupled to the non-transitory memory, the processor configured to;

a) identify a location of the wearer among the specific areas during the activity based on the corresponding identifier in the received at least one transmission b) determine a current functional activity of the wearer based on the sensed activity data and the identified location and c) transmit current state information including the current functional activity and the corresponding identified location;

a local communication system for wirelessly receiving the current state information from the wearable sensor;

a remote server in communication with the local communication system; and

a database for storing the current state information and actions to be taken in response to events,

wherein at least one of the wearable sensor, the local communication system or the remote server is configured to reconfigure the healthcare communication system by selectively incorporating one or more additional devices into said healthcare communication system under particular conditions to provide additional wearer data, by (a) storing timestamped state information in the database establishing at least one baseline activity pattern of the wearer, (b) detecting an event based on deviation of the current state information from the at least one baseline activity pattern, (c) for the event, determining a statistical significance of the deviation of the current state information relative to the at least one baseline activity pattern, (d) selecting a care level among a plurality of hierarchical care levels based on the statistical significance of the deviation and a previous health-state of the wearer automatically determined by the healthcare communication system, at least one of a lower statistical significance or a lower health-state variation associated with a lower care level, and at least one of a higher statistical significance or a higher health-state variation associated with a higher care level, (e) identifying an action to be performed among the actions stored in the database corresponding to the detected event and (f) causing the remote server to perform the identified action,

wherein the identified action includes;

identifying, based on the selected care level, a care level device of a contact associated with the selected care level;

transmitting, by the remote server, over a communication network, a participation notification to the care level device based on the detected event, the selected care level and a health-state of the wearer,

displaying, on the care level device, at least one event-specific participatory task for requested performance by the wearer of the wearable sensor, responsive to the participation notification;

activating, by the remote server, the wearable sensor, such that the wearable sensor receives sensor data associated with wearer performance of the at least one participatory task displayed on the computing device,

transmitting, by the wearable sensor to the remote server, the received sensor data associated with the wearer performance of the at least one participatory task, and

automatically updating, by the remote server, the health-state of the wearer based on evaluation of the received sensor data associated with the wearer performance of the at least one participatory task, the current state information, the detected event, and predetermined clinical guidelines, to determine whether to perform a further action by the remote server,

wherein the further action includes obtaining additional health-state information of the wearer via a care level device of a different care level among the plurality of care levels, based on the updated health-state.

2. The system of claim 1, wherein each identifier and the corresponding area are stored in the database.

3. The system of claim 1, wherein the sensed activity data includes motion of the wearer, the motion being inferred from changing beacon identifiers received by the wearable sensor.

4. The system of claim 1, wherein the at least one sensing device includes at least one of a gyro, an accelerometer, a magnetometer, an inclinometer, a thermometer, or a galvanic skin response sensor.

5. The system of claim 4, wherein the sensed activity data includes a direction of travel.

6. The system of claim 1, wherein the at least one sensing device includes an inclinometer and the sensed activity data includes a posture of the wearer.

7. The system of claim 1, wherein the baseline activity pattern corresponds to functional activity.

8. The system of claim 7, wherein the functional activity is at least one of walking, sitting, reclining, standing, and lying down.

9. The system of claim 1, wherein the plurality of beacons are infrared beacons.

10. The system of claim 1, further comprising means for receiving information from an external device, wherein the baseline activity pattern is established based at least in part on the received information.

11. The system of claim 1, wherein at least some of the actions comprise establishing a communication session between the wearer and the remote server, the remote server being configured to (i) transmit at least one event-specific request to the wearer, (ii) receive sensor data generated by the wearable sensor during performance of the request, and (iii) perform a further action based on the event and the received sensor data.

12. The system of claim 1, wherein at least one of the actions and the further action is a disease-specific activity for a disease of the wearer.

13. The system of claim 1, wherein the database stores, for the wearer, a list of contacts and one of the plurality of care levels associated with each of the contacts, the remote server being configured to deliver, following detection of the event, a notification to a first contact of the list of contacts associated with a first care level.

14. The system of claim 13, wherein the notification includes at least one of an observational component or an interrogatory component, the remote server being further configured to process responses to the notification from the first contact.

15. The system of claim 13, wherein the remote server is further configured to interact with the first contact and, based on the interaction, to determine whether to notify a second contact of the list of contacts associated with a different care level.

16. A healthcare communication method for reconfiguring a distributed healthcare communication system, the method comprising the steps of:

transmitting a plurality of transmissions from a plurality of corresponding beacons of the healthcare communication system disposed in respective specific areas of a larger area, wherein for each beacon, a corresponding transmission among the plurality of transmissions includes an identifier of the respective beacon associated with a corresponding area among the specific areas in which the respective beacon is disposed;

receiving, by a receiver circuit of a wearable sensor of the healthcare communication system configured to continually monitor a wearer, at least one transmission among the plurality of transmissions transmitted by the plurality of beacons;

sensing, by at least one sensing device of the wearable sensor, activity of the wearer of the wearable sensor, to form sensed activity data representative of the activity of the wearer;

identifying, by a processor of the wearable device, a location of the wearer among the specific areas during the activity based on the corresponding identifier in the received at least one transmission;

determining, by the processor of the wearable device, a current functional activity of the wearer based on the sensed activity data and the identified location;

transmitting, by the processor of the wearable device, current state information including the current functional activity and the corresponding identified location;

wirelessly receiving, by a local communication system of the healthcare communication system, the current state information from the wearable sensor;

electronically storing, in a database of the healthcare communication system, the current state information and actions to be taken in response to events affecting the wearer;

electronically storing, in the database, timestamped state information establishing at least one baseline activity pattern of the wearer;

reconfiguring, by at least one of the wearable sensor, the local communication system or a remote server of the healthcare communication system, the healthcare communication system by selectively incorporating one or more additional devices into said healthcare communication system under particular conditions to provide additional wearer data, by;

detecting, by at least one of the wearable sensor, the local communication system or the remote server, an event based on deviation of the received current state information from the at least one baseline activity pattern;

determining, for the event, by at least one of the wearable sensor, the local communication system or the remote server, a statistical significance of the deviation of the current state information relative to the at least one baseline activity pattern;

selecting by at least one of the wearable sensor, the local communication system or the remote server, a care level among a plurality of hierarchical care levels based on the statistical significance of the deviation and a previous health-state of the wearer automatically determined by the healthcare communication system, at least one of a lower statistical significance or a lower health-state variation associated with a lower care level, and at least one of a higher statistical significance or a higher health-state variation associated with a higher care level,

identifying, by at least one of the wearable sensor, the local communication system or the remote server, an action to be performed among the actions stored in the database corresponding to the detected event; and

causing performance, by the remote server, of the identified action,

wherein the identified action includes;

identifying, based on the selected care level, a care level device of a contact associated with the selected care level,

transmitting, by the remote server, over a communication network, a participation notification to the care level device based on the detected event, the selected care level and a health-state of the wearer,

displaying, on the care level device, at least one event-specific participatory task for requested performance by the wearer of the wearable sensor, responsive to the participation notification;

activating, by the remote server, the wearable sensor, such that the wearable sensor receives sensor data associated with wearer performance of the at least one participatory task displayed on the computing device,

transmitting, by the wearable sensor to the remote server, the received sensor data associated with the wearer performance of the at least one participatory task, and

automatically updating, by the remote server, the health-state of the wearer based on evaluation of the received sensor data associated with the wearer performance of the at least one participatory task, the current state information, the detected event, and predetermined clinical guidelines, to determine whether to perform a further action by the remote server,

wherein the further action includes obtaining additional health-state information of the wearer via a care level device of a different care level among the plurality of care levels, based on the updated health-state.

17. The method of claim 16, wherein the sensed activity data includes motion of the wearer, the motion being inferred from changing beacon identifiers received by the wearable sensor.

18. The method of claim 16, wherein the stored at least one baseline activity pattern corresponds to functional activity.

19. The method of claim 18, wherein the functional activity is at least one of walking, sitting, reclining, standing, and lying down.

20. The method of claim 16, further comprising the steps of:

storing in the database, for the user, a list of contacts and one of the plurality of care levels associated with each of the contacts;

detecting the event; and

following the detection of the event, communicating a notification to a first contact of the list of contacts associated with a first care level.