Wearable Device, System and Method for Measuring a Pulse While a User is in Motion

• US 20080294058A1
• Filed: 08/10/2005
• Published: 11/27/2008
• Est. Priority Date: 08/16/2004
• Status: Abandoned Application

• Current Assignee: Aerotel Medical Systems (1998) Ltd. (Aerotel Limited)
• Original Assignee: Aerotel Medical Systems (1998) Ltd. (Aerotel Limited)
• Inventors: Shklarski, Dror
• Application Number:
  US11/660,221
• Publication Number:
  US 20080294058A1
• Time in Patent Office: Days
• US Class Current: 600/502
• CPC Class Codes: A61B 2560/0462 Apparatus with built-in sensors
• CPC Class Codes: A61B 2560/0468 Built-in electrodes
• CPC Class Codes: A61B 5/0022 Monitoring a patient using a global network, e.g. telephone networks, internet
• CPC Class Codes: A61B 5/02055 Simultaneously evaluating both cardiovascular condition and temperature
• CPC Class Codes: A61B 5/021 Measuring pressure in heart or blood vessels A61B5/0205 takes precedence
• CPC Class Codes: A61B 5/02438 with portable devices, e.g. worn by the patient
• CPC Class Codes: A61B 5/0245 by using sensing means generating electric signals, i.e. ECG signals
• CPC Class Codes: A61B 5/145 Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissuemeasuring of blood pressure or blood flow A61B5/02; non-radiation detecting or locating of foreign bodies in blood A61B5/06
• CPC Class Codes: A61B 5/14532 for measuring glucose, e.g. by tissue impedance measurement
• CPC Class Codes: A61B 5/332 Portable devices specially adapted therefor
• CPC Class Codes: A61B 5/681 Wristwatch-type devices
• CPC Class Codes: G16H 40/67 for remote operation
• CPC Class Codes: G16Z 99/00 Subject matter not provided for in other main groups of this subclass

Abstract

A system, device and method are provided for monitoring a user'"'"'s pulse, the system MAIN including a medical center server to provide commands to a wireless mobile pulse monitoring de-vice, the monitoring device including a pulse sensor sub-system including at least two pulse sensors adapted to accurately measure a pulse while a user is mobile.

Claims

1. A system for monitoring a user'"'"'s pulse, comprising a medical center server to provide commands to a wireless mobile pulse monitoring device, said device including a pulse sensor sub-system including at least two pulse sensors adapted to accurately measure a pulse while a user is mobile.

2. The system of claim 1, wherein said pulse sensor sub-system includes a sensor, an amplifier, and an analog-to-digital converter.

3. The system of claim 1, wherein said pulse sensor sub-system includes a Digital Signal Processing unit.

4. The system of claim 1, wherein said pulse sensor sub-system includes one or more analog filters.

5. The system of claim 1, wherein the functioning of said pulse sensor sub-system may be remotely configured by said server.

6. The system of claim 1, comprising an array of sensors for measuring physiological parameters.

7. The system of claim 1, comprising an array of sensors for measuring environmental parameters.

8. The system of claim 1, comprising an array of sensors for measuring physiological parameters and environmental parameters.

9. The system of claim 1, comprising one or more sensors selected from the group consisting of piezoelectric sensors and optical sensors.

10. The system of claim 1, wherein said monitoring device is to function in one or more of keeper mode, extended mode, and emergency mode.

11. The system of claim 1, wherein said monitoring device is to measure one or more selected parameters continuously and/or intermittently.

12. The system of claim 1, wherein said monitoring device is to automatically send a warning message to said medical center server if parameters measured exceed a selected threshold.

13. The system of claim 1, wherein said remote configuration of said mobile monitoring device includes remotely implementing selected software update(s).

14. The system of claim 1, wherein communications between said monitoring device and said medical center are encrypted.

15. The system of claim 1, wherein communications between said monitoring device and said medical center are authenticated.

16. The system of claim 1, wherein communications between said monitoring device and said medical center are encrypted and authenticated.

17. The system of claim 1, comprising a synchronization module.

18. The system of claim 1, comprising an update module.

19. The system of claim 1, comprising a data encryption module and a data authentication module.

20. A device for measuring pulse signals while a user is mobile, the device comprising:

a pulse sensor sub-system including two or more pulse sensors adapted to accurately measure a pulse while the user is mobile; and

a main controller to enable controlling of said pulse sensor sub-system.

21. The device of claim 20, wherein said pulse sensor sub-system includes at least one sensor to substantially measure pulse signals and at least one sensor to substantially measure pulse artifact signals.

22. The device of claim 20, comprising one or more sensors selected from the group consisting of an ECG sensor, Oxygen level sensor, pulse sensor, blood pressure sensor, SpA₂ sensor, glucose level sensor, sweat sensor, skin temperature sensor, pH level sensor, external temperature sensor, air humidity level sensor, and pollution level sensor.

23. The device of claim 20, comprising one or more modules selected from the group consisting of synchronization module, update module, data encryption module, data authentication module, data encryption module, and data authentication module.

24. A method for measuring the pulse of a subject using a wireless monitoring device, the method comprising:

sensing of the subject'"'"'s pulse using a pulse sensor sub-system within the wireless monitoring device, said pulse sensor sub-system including two or more pulse sensors;

receiving pulse signals and noise signals from a first sensor in said pulse sensor sub-system, and receiving noise signals from a second sensor in said pulse sensor sub-system;

digitizing the received signals;

processing said signals; and

generating a modified pulse signal.

25. The method of claim 24, comprising using said modified pulse signal to generate a modified pulse measurement.

26. The method of claim 24, comprising transmitting commands to a wireless monitoring device, from a medical center server, to measure a pulse.

27. The method of claim 24, comprising removing said noise signals.

28. The method of claim 24, wherein said processing includes analyzing the signals of two or more channels in the time domain.

29. The method of claim 24, wherein said processing includes analyzing the signals of two or more channels in the frequency domain.

30. The method of claim 24, wherein said processing includes analyzing the signals of two or more channels in the time domain followed by analyzing the signals of two or more channels in the frequency domain.

31. The method of claim 24, wherein said processing includes filtering the signals of two or more channels.

32. The method of claim 24, wherein said processing includes adapting the parameters of one or more filters.

33. The method of claim 24, wherein said processing includes analyzing the signals of two or more channels using a window of samples in different intervals and/or a fix interval.

34. The method of claim 24, wherein said processing includes analyzing the signals of two or more channels using sliding windows of samples.

35. The method of claim 24, wherein said processing includes controlling the parameters of one or more analogue circuits at one or more channels.

36. The method of claim 24, wherein said processing includes checking the validity of said commands.

37. The method of claim 24, wherein said processing includes one or more techniques to analyze the signals of two or more channels, the techniques selected from the group consisting of analyzing in the time domain, analyzing in the frequency domain, filtering the signals, usage a window of samples in different intervals and/or a fix interval, and usage of sliding windows of samples.

38. The method of claim 37 wherein said techniques are adaptive from a first measurement to a second measurement.

39. The method of claim 37 while said techniques are adaptive from a first sample of signals of two or more channels to a second sample of signals of two or more channels.

40. The method of claim 24, wherein said pulse sensor sub-system includes an array of sensors, said sensors enabled to be individually configured by a remote medical center server.

41. The method of claim 40, wherein said array of sensors includes one or more sensors selected from the group consisting of an ECG sensor, Oxygen level sensor, pulse sensor, blood pressure sensor, SpA₂ sensor, glucose level sensor, sweat sensor, skin temperature sensor, pH level sensor, external temperature sensor, air humidity level sensor, and pollution level sensor.

42. The method of claim 24, comprising remotely configuring the wireless monitoring device, by a remote medical center server.

43. The method of claim 42, wherein said remote configuration includes implementing selected software updates.

44. The method of claim 42, wherein said remote configuration includes remotely updating client software in said wireless monitoring device, by said medical center server.

45. The method of claim 42, comprising encrypting data communicated between said wireless monitoring device and said medical center server.

46. The method of claim 42 comprising authenticating data communicated between said wireless monitoring device and said medical center server.

47. The method of claim 42, comprising authenticating data and encrypting data communicated between said wireless monitoring device and said medical center server.