Mobile electronic device, non-transitory storage medium storing diagnosis program, and diagnosis system

• US 9,913,609 B2
• Filed: 01/17/2014
• Issued: 03/13/2018
• Est. Priority Date: 01/23/2013
• Status: Active Grant

• Current Assignee: Kyocera Corporation
• Original Assignee: Kyocera Corporation
• Inventors: Hirano, Asao
• Primary Examiner(s): Natnithithadha, Navin
• Application Number:
  US14/761,611
• Publication Number:
  US 20150359476A1
• Time in Patent Office: 1,516 Days
• Field of Search: 600500-503, 600481, 600483, 600485
• CPC Class Codes: A61B 2560/0247 for compensation or correction of the measured physiological value
• CPC Class Codes: A61B 2560/0252 using ambient temperature
• CPC Class Codes: A61B 2560/0257 using atmospheric pressure
• CPC Class Codes: A61B 2560/0443 Modular apparatus
• CPC Class Codes: A61B 2562/0219 Inertial sensors, e.g. accelerometers, gyroscopes, tilt switches
• CPC Class Codes: A61B 5/02405 Determining heart rate variability
• CPC Class Codes: A61B 5/02416 using photoplethysmograph signals, e.g. generated by infrared radiation A61B5/14552 takes precedence
• CPC Class Codes: A61B 5/02438 with portable devices, e.g. worn by the patient
• CPC Class Codes: A61B 5/026 Measuring blood flow A61B3/1233, A61B3/1241 take precedence
• CPC Class Codes: A61B 5/1112 Global tracking of patients, e.g. by using GPS
• 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 5/4035 Evaluating the autonomic nervous system
• CPC Class Codes: A61B 5/6898 Portable consumer electronic devices, e.g. music players, telephones, tablet computers
• CPC Class Codes: A61B 5/7203 for noise prevention, reduction or removal
• CPC Class Codes: A61B 5/721 using a separate sensor to detect motion or using motion information derived from signals other than the physiological signal to be measured
• CPC Class Codes: A61B 5/7278 Artificial waveform generation or derivation, e.g. synthesising signals from measured signals A61B5/327 takes precedence
• CPC Class Codes: A61B 5/7282 Event detection, e.g. detecting unique waveforms indicative of a medical condition A61B5/4094, A61B5/4818, A61B5/349, A61B5/0823 take precedence

Abstract

A mobile electronic device includes: waveform information acquisition part configured to add a time stamp to a waveform detected from a user and record the waveform with the time stamp as waveform information; condition information acquisition part configured to add a time stamp to information indicating a condition of the user and record the information with the time stamp as condition information; artifact waveform acquisition part configured to acquire, from artifact waveform data in which a condition and the artifact waveform are associated with each other and stored, an artifact waveform that corresponds a condition indicated by the condition information in the same time period as a time period of the waveform information; waveform correction part configured to correct the waveform information using the artifact waveform; and autonomic nerves diagnosis part configured to diagnose autonomic nerves of the user using the waveform information corrected by the waveform correction part.

Claims

1. A mobile electronic device, comprising:

a waveform information acquisition part configured to

add a first time stamp to a waveform detected from a user, and

record the waveform with the first time stamp as waveform information;

a condition information acquisition part configured to

add a second time stamp to information indicating a condition of the user, and

record the information with the second time stamp as condition information;

an artifact waveform acquisition part configured to acquire, from artifact waveform data in which a condition and an artifact waveform are associated with each other and stored, the artifact waveform that corresponds to the condition of the user indicated by the condition information within the same time period as a time period of the waveform information;

a waveform correction part configured to correct the waveform information using the artifact waveform acquired by the artifact waveform acquisition part;

an autonomic nerves diagnosis part configured to diagnose autonomic nerves of the user using the waveform information corrected by the waveform correction part; and

a notice part configured to notify the user of a result of diagnosing the autonomic nerves.

2. The mobile electronic device according to claim 1, wherein

the waveform correction part is configured to conform a scale of a wavelength of the artifact waveform to a scale of a wavelength of the waveform indicated by the waveform information on a basis of a singular point of the artifact waveform and a singular point of the waveform indicated by the waveform information.

3. The mobile electronic device according to claim 1, further comprising:

an acceleration sensor,

wherein the condition information acquisition part is configured to record, as the condition information,

either a direction and a magnitude of acceleration detected by the acceleration sensor,

or a moving condition of the user that is foreseen on a basis of the direction and the magnitude of acceleration detected by the acceleration sensor.

4. The mobile electronic device according to claim 1, further comprising:

a calculating processing unit configured to execute a program,

wherein the condition information acquisition part is configured to acquire information indicating a condition of the user by monitoring the program that is executed.

6. The mobile electronic device according to claim 1, wherein

the artifact waveform acquisition part is configured to, when the artifact waveform is associated with a plurality of kinds of the condition information,

determine a priority for each kind of the condition information, and

choose a combination of the condition information and the artifact waveform based on the priority.

7. The mobile electronic device according to claim 6, wherein

the artifact waveform acquisition part is configured to

evaluate an approximation of the condition information having higher priority in order, and

narrow the combination of the condition information and the artifact waveform based on the approximation.

8. The mobile electronic device according to claim 6, wherein

the artifact waveform acquisition part is configured to

acquire a total approximate value of the combination of the condition information and the artifact waveform by multiplying an approximate value that has been evaluated for the condition information by a weight allocated to each of the priorities of the condition information, and

choose the combination in order of the total approximation value.

9. The mobile electronic device according to claim 1, wherein

the stored artifact waveform data has been measured by a sensor that is different from a sensor that detects the waveform of the user.

10. The mobile electronic device according to claim 2, wherein

the artifact waveform and the singular point are calculated using a Fourier transformation, a fast Fourier transformation or a wavelet transformation.

11. The mobile electronic device according to claim 1, wherein

the waveform correction part is configured to adjust a time deviation between the waveform information and the condition information.

12. The mobile electronic device according to claim 1, wherein

the waveform correction part is configured to remove a noise component from the waveform information using the artifact waveform.

13. The diagnosis system according to claim 1, wherein the notice part is configured to notify the user of the result of diagnosing the autonomic nerves, by causing the result of diagnosing the autonomic nerves to be displayed on a display.

5. A non-transitory storage medium that stores a program causing, when executed by a mobile electronic device, the mobile electronic device to execute:

adding a first time stamp to a waveform detected from a user, and recording the waveform with the first time stamp as waveform information;

adding a second time stamp to information indicating a condition of the user and recording the information with the second time stamp as condition information;

acquiring, from artifact waveform data in which a condition and the artifact waveform are associated with each other and stored, an artifact waveform that corresponds to the condition of the user indicated by the condition information in the same time period as a time period of the waveform information;

correcting the waveform information using the artifact waveform;

diagnosing autonomic nerves of the user using the corrected waveform information; and

notifying the user of a result of diagnosing the autonomic nerves.

14. A diagnosis system, comprising:

a memory configured to store an artifact waveform data in which an activity information indicating an activity status of a person and an artifact waveform ascribed to the activity status indicated by the activity information are associated with each other; and

a controller communicatively or electronically coupled to the memory, wherein the controller is configured to;

add a time stamp to a waveform detected from a user in a predetermined time period to obtain a stamped waveform information,

add another time stamp to activity information indicating an activity status of the user in the predetermined time period to obtain a stamped activity information,

acquire, from the artifact waveform data, the artifact waveform that corresponds to the activity information indicating the activity status indicated by the stamped activity information,

correct the stamped waveform information using the artifact waveform acquired from the artifact waveform data to obtain corrected waveform information,

diagnose autonomic nerves of the user using the corrected waveform information, and

notify the user of a result of diagnosing the autonomic nerves.

15. The diagnosis system according to claim 14, further comprising:

another memory configured to store the stamped waveform information and the stamped activity information,

wherein the controller is communicatively or electronically coupled to the another memory, and further configured to;

write the stamped waveform information to the another memory, and

write the stamped activity information to the another memory.

16. The diagnosis system according to claim 14, further comprising:

a communication circuit electrically coupled to the controller,

wherein the controller is further configured to cause the communication circuit to communicate wirelessly with an external device.

17. The diagnosis system according to claim 16, wherein the controller is further configured to cause the communication circuit to send the result of diagnosing the autonomic nerves to the external device.

18. The diagnosis system according to claim 14, wherein the waveform includes at least one of a waveform of pulse wave and a waveform indicating a variation of a heart rate.

19. The diagnosis system according to claim 14, wherein the waveform is measured by at least one of a camera, a heart rate sensor and a photoelectric pulse wave counter.

20. The diagnosis system according to claim 14, wherein the activity status of the user is foreseen based on a result detected by at least one of an acceleration sensor, a barometer, a Global Positioning System receiver, an illuminance sensor, a temperature sensor and an electrostatic capacitive touch sensor.