Mobile device and system for monitoring and recording body vital signs

• US 8,465,424 B2
• Filed: 03/24/2008
• Issued: 06/18/2013
• Est. Priority Date: 03/24/2008
• Status: Active Grant

• Current Assignee: Sudhir Aggarwal
• Original Assignee: Sudhir Aggarwal
• Inventors: Aggarwal, Sudhir
• Primary Examiner(s): Thomson, Bill
• Assistant Examiner(s): JIAN, SHIRLEY XUEYING
• Application Number:
  US12/053,765
• Publication Number:
  US 20090240118A1
• Time in Patent Office: 1,912 Days
• Field of Search: None
• US Class Current: 600/300
• CPC Class Codes: A61B 5/0002 Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network A61B5/07 takes precedence; transmission systems for measured values G08C; transmission H04B; transmission of digital information H04L; wireless communication networks H04W
• CPC Class Codes: A61B 5/02116 of pulse wave amplitude A61B5/02225 takes precedence
• CPC Class Codes: A61B 5/022 by applying pressure to close blood vessels, e.g. against the skin; Ophthalmodynamometers
• CPC Class Codes: A61B 5/6887 mounted on external non-worn devices, e.g. non-medical devices

Abstract

A method and apparatus is disclosed herein for monitoring vital signs using a health monitor embedded into a mobile device. In one embodiment, the apparatus comprises a mobile device having an embedded health monitor to take measurements of vital signs of an individual, to determine vital sign parameters from the measurements, and to transfer the vital sign parameters; and a computing system communicably coupled to the mobile device to store the vital sign parameters and to perform trend analysis on stored vital sign parameters and to provide feedback to the user or user specified persons and generate alarms.

Claims

1. An apparatus comprising:

a mobile device having an embedded health monitor adapted to take measurements of vital signs of an individual, determine blood pressure and heart rate parameters from the measurements, and transfer the parameters, wherein the embedded health monitor is adapted to perform radial pulse tonometry with a sensor enclosed in a sensor housing with an open cavity adapted to separate the sensor from skin over an artery when placed on a user, the open cavity adapted to become a closed cavity when placed on a user and utilize cavity resonance that transfers changing arterial pressure from the skin to the sensor through air moving in and out of a hole in a wall of the closed cavity, and pressure changes from the changing arterial pressure are transformed by the sensor to a pressure signal proportional to the pressure in the radial artery, and wherein the embedded health monitor is adapted to store the parameters in a memory of the mobile device and displays the stored parameters in a display of the mobile device; and

a remote computing system communicably coupled to the mobile device that is adapted to receive and store the parameters, transferred from the mobile device, and perform trend analysis on stored vital sign parameters.

2. The system defined in claim 1 wherein the embedded health monitor is adapted to generate an induced pressure signal from cavity resonance caused by an artery blood pressure of the body from which one of the measurements is being measured while preserving a normal throughput of the artery.

3. The system defined in claim 2 wherein the embedded health monitor is adapted to produce a voltage proportional to instantaneous blood pressure in the artery and create a waveform with the sensor, wherein the sensor is a piezo-resistive sensor, and wherein the embedded health monitor obtains systolic and diastolic blood pressure and heart rate of the body from the waveform.

4. The system defined in claim 1 wherein the embedded health monitor includes a temperature sensor adapted to measure temperature of the body.

5. The system defined in claim 1 wherein the embedded health monitor has no mechanical moving parts within the cavity.

6. The system defined in claim 1 wherein the embedded health monitor comprise a wireless transmitter adapted to communicate with a computing device via wireless communication.

7. The system defined in claim 1 wherein the mobile device comprises one of a group consisting of a cell phone, a portable media player, a memory device, a watch, a game controller, a laptop or other compact computer, a personal navigation device, a personal radio, a personal digital assistant, and a pedometer.

8. A system comprising:

a mobile device having an embedded health monitor device having

a blood pressure sensor and a temperature sensor that take blood pressure and temperature measurements, respectively, of a body of an individual, the blood pressure sensor having a sensor enclosed in a sensor housing with an open cavity adapted to separate the sensor from skin over an artery when placed on an individual, the open cavity adapted to become a closed cavity when placed on the individual and utilize cavity resonance that transfers changing arterial pressure from the skin to the sensor through air moving in and out of a hole in a wall of the closed cavity, and pressure changes from the changing arterial pressure are transformed by the sensor to a pressure signal proportional to the pressure in the radial artery of the individual to a waveform,

a pair of amplifiers coupled to the sensors that amplifies the sensed signal measurements,

a controller coupled to the pair of amplifiers that receives amplified signal measurement values and determines vital sign parameters from the amplified measurement values, and

a communication mechanism coupled to the controller that transfers the vital sign parameters; and

a remote computing system communicably coupled to the mobile device that receives and stores the vital sign parameters from the communication mechanism and performs trend analysis on one or more stored vital sign parameters generated from measurements to determine systolic and diastolic blood pressure and heart rate of the body.

9. The system defined in claim 8 wherein the blood pressure sensor performs radial pulse tonometry.

10. The system defined in claim 9 wherein the blood pressure sensor performs radial pulse tonometry and generates an induced pressure signal from an artery of the body from which one of the measurements is being measured.

11. The system defined in claim 10 wherein the blood pressure sensor produces a voltage proportional to instantaneous blood pressure in the artery and the controller creates a waveform using a piezo-resistive sensor, and wherein the embedded health monitor obtains the systolic and diastolic blood pressure and the heart rate of the body from the waveform.

12. The system defined in claim 8 wherein the blood pressure sensor has no mechanical moving parts within the cavity.

13. The system defined in claim 8 wherein the mobile device comprises one of a group consisting of a cell phone, a portable media player, a memory device, a watch, a game controller, a laptop or other compact computer, a personal navigation device, a personal radio, a personal digital assistant, and a pedometer.

14. The system defined in claim 8 wherein the embedded health monitor device comprises a USB port.

15. The system defined in claim 8 wherein the communication mechanism transfers the vital sign parameters from the mobile device to the computing system for analysis via a networked environment.

16. The system defined in claim 15 wherein the networked environment comprises the internet.

17. The system defined in claim 15 wherein the computing system accumulates the vital sign parameters over a period of time via the networked environment and generates alerts if analysis of the vital sign parameters indicates the vital sign parameters are outside a vital sign parameter limit.

18. The system defined in claim 17 wherein the analysis comprises generating graphs and trend analysis over a period of time.

19. A mobile device comprising:

an embedded health monitor device having

a blood pressure sensor and a temperature sensor that takes blood pressure and temperature measurements, respectively, of a body of an individual, the blood pressure sensor having a sensor enclosed in a sensor housing with an open cavity adapted to separate the sensor from skin over an artery when placed on an individual, the open cavity adapted to become a closed cavity when placed on the individual and utilize cavity resonance that transfers changing arterial pressure from the skin to the sensor through air moving in and out of a hole a wall of the closed cavity, and pressure changes from the changing arterial pressure are transformed by the sensor to a pressure proportional to pressure in a radial artery of the individual to a waveform,

a pair of amplifiers coupled to the sensors that amplify the measurements,

a controller coupled to the pair of amplifiers that receive amplified measurement values and determine vital sign parameters from the amplified measurement values, and

a communication mechanism coupled to the controller that transfers the vital sign parameters.

20. The mobile device defined in claim 19 wherein the communication mechanism is communicably coupled to a networked environment and transfers the vital sign parameters for analysis.

21. The mobile device defined in claim 20 wherein the networked environment comprises the internet.