Systems, devices and methods for analyzing a person status based at least on a detected orientation of the person
A system for monitoring a person may include a person-worn sensor device including at least one sensor (e.g., at least one accelerometer, magnetometer, altimeter, etc.) configured to collect sensor data and a processor to process data from the person-worn sensor device. The processor may be configured to determine or access an orientation of a physical support apparatus (e.g., bed, table, wheelchair, chair, sofa, or other structure for supporting the person), receive sensor data collected by the person-worn sensor device, calculate an orientation of the person relative to the physical support apparatus based on (a) the orientation of the physical support apparatus and (b) the sensor data collected by the person-worn sensor device, and identify, based on the determined orientation of the person relative to the physical support apparatus, a physical support apparatus exit condition indicating an occurrence or anticipated occurrence of the person exiting the physical support apparatus.
1. A system for monitoring a person, comprising:
a person-worn sensor device comprising at least one sensor and configured to collect sensor data, the at least one sensor comprising an accelerometer; and
a processor in communication with the person-worn sensor device and configured to:
determine or access an orientation of a physical support apparatus comprising a bed, table, wheelchair, chair, sofa, or other structure configured to support the person at least partially off a floor or ground;
receive sensor data collected by the person-worn sensor device;
calculate an orientation of the person relative to the physical support apparatus based on (a) the orientation of the physical support apparatus and (b) the sensor data collected by the person-worn sensor device; and
identify a physical support apparatus exit condition based at least on the determined orientation of the person relative to the physical support apparatus, wherein the physical support apparatus exit condition comprises an occurrence or anticipated occurrence of the person exiting the physical support apparatus.
2. The system of claim 1 , wherein the person-worn sensor device comprises a plurality of accelerometers.
3. The system of claim 1 , wherein the person-worn sensor device comprises the accelerometer and at least one of a magnetometer or an altimeter.
4. The system of claim 1 , wherein the person-worn sensor device comprises at least two sensors selected from the group consisting of an accelerometer, a magnetometer, and an altimeter.
5. The system of claim 1 , wherein calculating an orientation of the person relative to the physical support apparatus comprises at least one of calculating a physical orientation, an angular orientation, or a compass orientation of the person relative to the physical support apparatus.
6. The system of claim 1 , wherein the processor is configured to:
determine or access at least one of a physical orientation, an angular orientation, or a compass orientation of the physical support apparatus, and
calculate the orientation of the person relative to the physical support apparatus based on (a) the physical orientation, angular orientation, or compass orientation of the physical support apparatus and (b) the sensor data collected by the person-worn sensor.
7. The system of claim 1 , wherein the processor is configured to:
determine or access an angular orientation of the physical support apparatus, and
calculate the orientation of the person relative to the physical support apparatus based on the angular orientation of the physical support apparatus and the sensor data collected by the person-worn sensor.
8. The system of claim 1 , wherein the processor is configured to:
determine or access a compass orientation of the physical support apparatus, and
calculate the orientation of the person relative to the physical support apparatus based on the compass orientation of the physical support apparatus and the sensor data collected by the person-worn sensor.
9. The method of claim 1 , wherein determining or accessing an orientation of the physical support apparatus comprises determining at least one of a physical orientation, an angular orientation, or a compass orientation of the physical support apparatus using an accelerometer, magnetometer, or other sensor associated with the physical support apparatus.
10. The method of claim 1 , wherein determining or accessing an orientation of the physical support apparatus comprises monitoring a reference orientation of the person over time based on sensor data collected by the person-worn sensor device, and determining a physical orientation of the physical support apparatus based on the monitored reference orientation of the person.
11. The system of claim 1 , wherein identifying the physical support apparatus exit condition comprises determining an anticipated imminent physical support apparatus exit by the person.
12. The system of claim 1 , wherein identifying the physical support apparatus exit condition comprises determining a probability of a physical support apparatus exit by the person.
13. The system of claim 1 , wherein the person-worn sensor device is affixed directly to the person or secured to or embedded in an article worn by the person.
14. The system of claim 1 , wherein the processor is provided in the person-worn sensor device.
15. The system of claim 1 , wherein the processor is provided in a processing device distinct from the person-worn sensor device, and wherein receiving, at the processor, sensor data collected by the person-worn sensor device comprises receiving the sensor data at the processor directly or indirectly via a wireless transmission from the person-worn sensor device.
16. The system of claim 15 , further comprising one or more relay antenna device distinct from the person-worn sensor device and the processing device, and configured to communicate sensor data collected by the person-worn sensor device from the person-worn sensor device to the processing device.
17. The method of claim 16 , wherein at least one relay antenna device is embodied in a smartphone, smart watch, laptop computer, tablet computer, or other handheld mobile device.
18. A system for monitoring a person, comprising:
a processor; and
computer instructions stored in non-transitory computer readable media and executable by the processor to:
receive sensor data from a person-worn sensor device comprising at least one sensor, the at least one sensor comprising an accelerometer;
determine or access an orientation of a physical support apparatus comprising a bed, table, wheelchair, chair, sofa, or other structure configured to support the person at least partially off a floor or ground;
calculate an orientation of the person relative to the physical support apparatus based on (a) the orientation of the physical support apparatus and (b) the sensor data received from the person-worn sensor device; and
identify a physical support apparatus exit condition based at least on the determined orientation of the person relative to the physical support apparatus, wherein the physical support apparatus exit condition comprises an occurrence or anticipated occurrence of the person exiting the physical support apparatus.
19. The system of claim 18 , wherein the processor is provided in the person-worn sensor device.
20. The system of claim 18 , wherein the processor is provided in a processing device distinct from the person-worn sensor device, and wherein receiving, at the processor, sensor data collected by the person-worn sensor device comprises receiving the sensor data at the processor directly or indirectly via a wireless transmission from the person-worn sensor device.
21. A method for monitoring a person, the method comprising:
receiving, by a processor, sensor data from a person-worn sensor device comprising at least one sensor, the at least one sensor comprising an accelerometer;
determining or accessing, by the processor, an orientation of a physical support apparatus comprising a bed, table, wheelchair, chair, sofa, or other structure configured to support the person at least partially off a floor or ground;
calculating, by the processor, an orientation of the person relative to the physical support apparatus based on (a) the orientation of the physical support apparatus and (b) the sensor data received from the person-worn sensor device; and
identifying, by the processor, a physical support apparatus exit condition based at least on the determined orientation of the person relative to the physical support apparatus, wherein the physical support apparatus exit condition comprises an occurrence or anticipated occurrence of the person exiting the physical support apparatus.
22. The method of claim 21 , wherein the processor is provided in the person-worn sensor device.
23. The method of claim 21 , wherein the processor is provided in a processing device distinct from the person-worn sensor device, and wherein receiving, at the processor, sensor data collected by the person-worn sensor device comprises receiving the sensor data at the processor directly or indirectly via a wireless transmission from the person-worn sensor device.
24. The method of claim 23 , wherein the processor is provided in a smartphone, smart watch, laptop computer, tablet computer, or other handheld mobile device.
25. A method for monitoring a person, the method comprising:
collecting sensor data regarding the person by a person-worn sensor device affixed directly to the person or secured to or embedded in an article worn by the person, the sensor data comprising at least acceleration data collected by an accelerometer of the person-worn sensor device;
calculating an angular orientation of the person relative to a physical support apparatus based at least on the sensor data collected by the person-worn sensor device, wherein the physical support apparatus comprising a bed, table, wheelchair, chair, sofa or other structure configured to support the person at least partially off a floor or ground; and
identifying a physical support apparatus exit condition based at least on the determined angular orientation of the person relative to the physical support apparatus, wherein the physical support apparatus exit condition comprises an occurrence or anticipated occurrence of the person exiting the physical support apparatus.
26. A method for monitoring a person, the method comprising:
receiving, by a processor, sensor data from a person-worn sensor device comprising at least one sensor, the at least one sensor comprising an accelerometer;
determining or accessing, by the processor, an orientation of a physical support apparatus comprising a bed, table, wheelchair, chair, sofa, or other structure configured to support the person at least partially off a floor or ground;
calculating, by the processor, an orientation of the person relative to the physical support apparatus based on (a) the orientation of the physical support apparatus and (b) the sensor data received from the person-worn sensor device;
comparing (a) the calculated orientation of the person relative to the physical support apparatus to (b) an orientation threshold value; and
generating an alert in response to determining that the calculated orientation of the person relative to the physical support apparatus exceeds the orientation threshold value.
27. The method of claim 26 , wherein:
determining or accessing an orientation of the physical support apparatus comprises determining or accessing at least one of a physical orientation, an angular orientation, or a compass orientation of the physical support apparatus; and
calculating an orientation of the person relative to the physical support apparatus comprises calculating at least one of a physical orientation, an angular orientation, or a compass orientation of the person relative to the physical support apparatus.
28. A system for monitoring a person, the system comprising:
a person-worn sensor device worn by or otherwise secured to the person, the person-worn sensor device comprising at least one sensor configured to:
collect person altitude data indicating an altitude or changes in altitude of the person; and
collect person acceleration data including at least one of a static acceleration or a dynamic acceleration of the person; and
a processor configured to:
receive person altitude data and person acceleration data collected by the person-worn sensor device;
determine a relative altitude of the person based on (a) the collected person altitude data and (b) a reference altitude; and
identify an alert condition based at least on (a) the determined relative altitude of the person, as determined based on the collected person altitude data and the reference altitude, and (b) the collected person acceleration data, wherein the alert condition indicates at least one of a fall by the person or an occurrence or anticipated occurrence of the person exiting a physical support apparatus configured to physically support the person.
29. The method of claim 28 , wherein the reference altitude is determined using an altimeter affixed to, or otherwise associated with, the physical support apparatus.
30. The method of claim 28 , wherein the processor is provided in the person-worn sensor device.
31. The method of claim 28 , wherein the processor is provided in a processing device distinct from the person-worn sensor device, and wherein receiving, at the processor, sensor data collected by the person-worn sensor device comprises receiving the sensor data at the processor directly or indirectly via a wireless transmission from the person-worn sensor device.
32. The method of claim 31 , wherein the processor is provided in a smartphone, smart watch, laptop computer, tablet computer, or other handheld mobile device.