System for Continuous Blood Pressure Monitoring

• US 20090216132A1
• Filed: 03/21/2006
• Published: 08/27/2009
• Est. Priority Date: 03/21/2005
• Status: Abandoned Application

• Current Assignee: Tuvi Orbach
• Original Assignee: Tuvi Orbach
• Inventors: Orbach, Tuvi
• Application Number:
  US11/886,778
• Publication Number:
  US 20090216132A1
• Time in Patent Office: Days
• US Class Current: 600/485
• CPC Class Codes: A61B 5/021 Measuring pressure in heart or blood vessels A61B5/0205 takes precedence
• CPC Class Codes: A61B 5/02125 of pulse wave propagation time
• CPC Class Codes: A61B 5/486 Bio-feedback A61B5/375 takes precedence
• CPC Class Codes: A61B 5/681 Wristwatch-type devices
• CPC Class Codes: A61B 5/6826 Finger
• CPC Class Codes: A61B 5/6831 Straps, bands or harnesses
• CPC Class Codes: A61B 5/6838 Clamps or clips
• CPC Class Codes: A61B 5/7445 Display arrangements, e.g. multiple display units

Abstract

The invention provides a system and method for monitoring blood pressure. The system includes a cuff-free non-invasive portable blood pressure monitoring device, a processor configured to process in real-time signals obtained by the portable blood pressure device to produce one or more processing products, and a portable monitor having a display displaying in real-time one or more of the processing products. In the method of the invention, a blood pressure signal is obtained from a cuff-free non-invasive portable blood pressure monitoring device. Signals obtained by the portable blood pressure device are processed in real-time to produce one or more processing products that are displayed in real-time on a display of a portable monitor. The method and system of the invention may be used in the management of hypertension.

Claims

1. A system for monitoring blood pressure in an individual comprising:

(a) a cuff-free non-invasive portable blood pressure monitoring device;

(b) a processor processing in real-time signals obtained by the portable blood pressure device to produce one or more processing products; and

(c) a portable monitor having a display displaying in real-time one or more of the processing products.

2. The system according to claim 1 wherein the blood pressure monitoring device comprises an ECG sensor and a pulse sensor.

3. The system according to claim 1 wherein one or more of the processing products is selected from the group comprising:

i. a systolic blood pressure,

ii. a diastolic blood pressure,

iii. a Young'"'"'s modulus of an artery,

iv. a cardiac output,

v. a relative changes in vascular resistance, and

vi. a relative changes in vascular compliance;

4. The system according to claim 1 wherein the processing comprises calculating a ratio κ

of the blood flow velocity to the propagation speed of the pressure pulse wave in an individual.

5. The system according to claim 1 wherein communication between the processor and the monitor is via a wired connection.

6. The system according to claim 5 wherein the monitor is selected from the group comprising a laptop personal computer (LPT), a media player, and an electronic note-book.

7. The system according to claim 1 wherein communication between the processor and the monitor is wireless.

8. The system according to claim 1 wherein the monitor is selected from the group comprising a cellular phone and a personal digital assistant (PDA).

9. The system according to claim 7 wherein communication between the processor and the monitor is via a protocol selected from “

Bluetooth”

, RF bidirectional wireless communication, an infra-red (IR) communication protocol and an ultrasonic communication protocol.

10. The system according to claim 1 wherein the blood pressure monitoring device is adapted to be worn by the individual.

11. The system according to claim 10 wherein the blood pressure monitoring device is adapted to be worn on the individual'"'"'s chest, wrist or finger.

12. The system according to claim 1 further comprising an electro-dermal activity sensor.

13. The system according to claim 1 wherein the monitor is configured to communicated with a remote server.

14. The system according to claim 13 wherein the remote server is configured to analyze data received from the monitor.

15. The system according to claim 13 wherein the remote server is configured to determine recommendations for the individual based upon the data received from the monitor.

16. The system according to claim 1 wherein the monitor is configured to communicates with a viewing station.

17. The system according to claim 1 wherein the monitor is configured to generate a sensible signal when one or more of the processing products meet one or more predetermined criteria.

18. The system according to claim 17 wherein the monitor is configured to generate a sensible signal when a blood pressure measurement is above a predetermined blood pressure level.

19. The system according to claim 1 for use in managing hypertension.

20. The system according to claim 1 for use in providing biofeedback to the individual on a cardiovascular state of the individual.

22. The method according to claim 19 wherein the blood pressure monitoring device comprises an ECG sensor and a pulse sensor.

23. The method according to claim 19 wherein one or more of the processing products is selected from the group comprising:

i. a systolic blood pressure,

ii. a diastolic blood pressure,

iii. a Young'"'"'s modulus of an artery,

iv. a cardiac output,

v. a relative changes in vascular resistance, and

vi. a relative changes in vascular compliance;

24. The method according to claim 19 wherein the processing comprises calculating a ratio κ

of the blood flow velocity to the propagation speed of the pressure pulse wave in an individual.

25. The method according to claim 19 wherein the one or more processing products are transmitted to the monitor via a wired connection.

26. The method according to claim 23 wherein the monitor is selected from the group comprising a laptop personal computer (LPT), a media player, and an electronic note-book.

27. The method according to claim 19 wherein the one or more processing products are transmitted to the monitor via a wireless connection.

28. The method according to claim 25 wherein the monitor is selected from the group comprising a cellular phone, a personal portable computer, and a personal digital assistant (PDA).

29. The method according to claim 25 wherein the one or more processing products are transmitted to the monitor via a protocol selected from “

Bluetooth”

, RF bidirectional wireless communication, an infra-red (IR) communication protocol and an ultrasonic communication protocol.

30. The method according to claim 19 wherein the blood pressure monitoring device is adapted to be worn by the individual.

31. The method according to claim 28 wherein the blood pressure monitoring device is adapted to be worn on the individual'"'"'s chest, wrist or finger.

32. The method according to claim 19 further comprising obtaining an electro-dermal activity of the individual.

33. The method according to claim 19 further comprising transmitting data between the monitor a remote server.

34. The method according to claim 31 wherein the remote server analyzes data received from the monitor.

35. The method according to claim 31 wherein the remote determines recommendations for the individual based upon the data received from the monitor.

36. The method according to claim 19 further comprising transmitting data between the monitor a viewing station.

37. The method according to claim 19 further comprising generating a sensible signal when one or more of the processing products meet one or more predetermined criteria.

38. The method according to claim 35 comprising generating a sensible signal when a blood pressure measurement is above a predetermined blood pressure level.

21. A method for monitoring blood pressure in an individual comprising:

(a) Obtaining a blood pressure signal from a cuff-free non-invasive portable blood pressure monitoring device;

(b) processing in real-time signals obtained by the portable blood pressure device to produce one or more processing products; and

(c) displaying in real-time one or more of the processing products on a display of a portable monitor.

39. The method according to claim 21 for use in managing hypertension.

40. The system according to claim 21 for use in providing biofeedback to the individual on a cardiovascular state of the individual.

41. A method for managing hypertension in an individual comprising:

(a) periodically measuring blood pressure using a cuff-free blood pressure system comprising;

(i) a cuff-free non-invasive portable blood pressure monitoring device;

(ii) a processor processing in real-time signals obtained by the portable blood pressure device to produce one or more processing products; and

(iii) a portable monitor having a display displaying in real-time one or more of the processing products.

42. The method according to claim 41 further comprising taking medication.

43. The method according to claim 41 further comprising providing a lifestyle training program, the lifestyle training program setting one or more targets, and lifestyle changes that the individual is urged to implement in his life.

44. The method according to claim 43 wherein the lifestyle training program trains the individual on any one or more of stress management, biofeedback, CBT, nutrition, and exercise.

45. The method according to claim 41 wherein the blood pressure is measured at least once per day.

46. The method according to claim 41 further comprising transmitting blood pressure measurements to a telehealth center.

47. The method according to claim 41 further comprising transmitting blood pressure measurements to a viewing station for viewing by a healthcare giver.