Fall prediction system and method of using the same
Various embodiments of a fall prediction system and method of using such system are disclosed. The system includes a hearing device for a wearer, a sensor operatively connected to the hearing device and adapted to detect a characteristic of the wearer and generate a sensor signal based on the characteristic, and a controller operatively connected to the hearing device. The controller is adapted to determine a fall risk value based on the sensor signal, compare the fall risk value to a fall risk threshold, and generate a fall prevention output if the fall risk value exceeds the fall risk threshold.
1. A fall prediction system, comprising:
a hearing device for a wearer;
a sensor operatively connected to the hearing device and adapted to detect a characteristic of the wearer and generate a sensor signal based on the characteristic, wherein the characteristic comprises at least one of a physiological characteristic and an environmental characteristic of the wearer; and
a controller operatively connected to the hearing device, wherein the controller is adapted to:
determine a fall risk value based on the sensor signal;
compare the fall risk value to a fall risk threshold; and
generate a fall prevention output if the fall risk value exceeds the fall risk threshold;
wherein the controller is further adapted to set the fall risk threshold by at least one of
measuring a maximum displacement between a longitudinal axis of the wearer and a normal to the earth's surface at the location of the wearer as a function of time;
measuring a maximum velocity of displacement between a longitudinal axis of the wearer and a normal to the earth's surface at the location of the wearer as a function of time;
evaluating a medical history of the wearer;
evaluating medications taken by the wearer; or
evaluating one or more inputs provided by the wearer in response to one or more queries.
2. The system of claim 1 , wherein the characteristic comprises eye movement of the wearer.
3. The system of claim 1 , wherein the characteristic comprises head movement of the wearer.
4. The system of claim 1 , wherein the controller is further adapted to determine the fall risk threshold based on one or more settings of the hearing device.
5. The system of claim 1 , wherein the fall prevention output comprises at least one of an audible, visual, and tactile signal provided to the wearer.
6. The system of claim 1 , wherein the controller is further adapted to detect a fall.
7. The system of claim 1 , wherein the hearing device further comprises hearing assistance components disposed within a housing of the hearing device, wherein the hearing assistance components comprise the controller.
8. The system of claim 1 , wherein the fall prevention output comprises transmission of at least one of the characteristic, the fall risk value, and the fall risk threshold to one or more of a caregiver, medical professional, or the wearer.
9. A fall prediction system, comprising:
a hearing device for a wearer; a sensor operatively connected to the hearing device and adapted to detect a characteristic of the wearer and generate a sensor signal based on the characteristic, wherein the characteristic comprises at least one of a physiological characteristic and an environmental characteristic of the wearer; and
a controller operatively connected to the hearing device, wherein the controller is adapted to:
determine a fall risk value based on the sensor signal;
compare the fall risk value to a fall risk threshold; and
generate a fall prevention output if the fall risk value exceeds the fall risk threshold;
wherein the controller is further adapted to set the fall risk threshold by evaluating medications taken by the wearer.
10. The method of claim 9 , further comprising generating a fall prevention output if the fall risk value exceeds the fall risk threshold.
11. The method of claim 10 , further comprising generating a fall prevention output if the fall risk value exceeds the fall risk threshold.
12. The method of claim 10 , wherein generating a fall prevention output comprises transmitting at least one of the characteristic, the fall risk value, and the fall risk threshold to one or more of a caregiver, a medical professional, and the wearer.
13. The method of claim 9 , wherein the characteristic comprises a postural stability characteristic, and wherein the fall risk threshold comprises a postural stability threshold.
14. The method of claim 9 , wherein detecting the characteristic comprises:
detecting eye movement of the wearer using a first sensor and a second sensor each operatively connected to the hearing device; and
generating an eye movement signal based on the detected eye movement.
15. The method of claim 14 , wherein determining the fall risk value comprises:
detecting head movement of the wearer;
generating a head movement signal based on the detected head movement; and
comparing the eye movement signal to the head movement signal.
16. A fall prediction system, comprising:
a hearing device for a wearer;
a sensor operatively connected to the hearing device and adapted to detect a characteristic of the wearer and generate a sensor signal based on the characteristic, wherein the characteristic comprises at least one of a physiological characteristic and an environmental characteristic of the wearer; and
a controller operatively connected to the hearing device, wherein the controller is adapted to:
determine a fall risk value based on the sensor signal;
compare the fall risk value to a fall risk threshold; and
generate a fall prevention output if the fall risk value exceeds the fall risk threshold;
wherein the fall prevention output comprises an adjustment of an intensity of light in a room occupied by the wearer.
17. A fall prediction system, comprising:
a hearing device for a wearer;
a sensor operatively connected to the hearing device and adapted to detect a characteristic of the wearer and generate a sensor signal based on the characteristic, wherein the characteristic comprises at least one of a physiological characteristic and an environmental characteristic of the wearer; and
a controller operatively connected to the hearing device, wherein the controller is adapted to:
determine a fall risk value based on the sensor signal;
compare the fall risk value to a fall risk threshold; and
generate a fall prevention output if the fall risk value exceeds the fall risk threshold;
wherein the fall prevention output comprises notifying other devices proximate to the wearer.
18. A fall prediction system, comprising:
a hearing device for a wearer;
a sensor operatively connected to the hearing device and adapted to detect a characteristic of the wearer and generate a sensor signal based on the characteristic, wherein the characteristic comprises at least one of a physiological characteristic and an environmental characteristic of the wearer; and
a controller operatively connected to the hearing device, wherein the controller is adapted to:
determine a fall risk value based on the sensor signal;
compare the fall risk value to a fall risk threshold; and
generate a fall prevention output if the fall risk value exceeds the fall risk threshold;
wherein the fall prevention output comprises notifying other devices proximate to the wearer.
19. A fall prediction system, comprising:
a hearing device for a wearer;
a sensor operatively connected to the hearing device and adapted to detect a characteristic of the wearer and generate a sensor signal based on the characteristic, wherein the characteristic comprises at least one of a physiological characteristic and an environmental characteristic of the wearer; and
a controller operatively connected to the hearing device, wherein the controller is adapted to:
determine a fall risk value based on the sensor signal;
compare the fall risk value to a fall risk threshold; and
generate a fall prevention output if the fall risk value exceeds the fall risk threshold;
wherein the controller is further adapted to set the fall risk threshold by evaluating medications taken by the wearer.