Health Monitoring System

• US 20150196225A1
• Filed: 01/16/2014
• Published: 07/16/2015
• Est. Priority Date: 01/16/2014
• Status: Active Grant

• Current Assignee: D.T.R. Dermal Therapy Research Inc.
• Original Assignee: Dermal Therapy (Barbados) Inc.
• Inventors: RUSU, Ana, Ollmar, Stig, Rodriguez Duenas, Saul Alejandro
• Granted Patent: US 10,357,180 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: A61B 10/0012 Ovulation-period determination for animals A61D17/002
• CPC Class Codes: A61B 2010/0019 based on measurement of temperature
• CPC Class Codes: A61B 2503/22 Motor vehicles operators, e.g. drivers, pilots, captains
• CPC Class Codes: A61B 2560/0219 of externally powered implanted units
• CPC Class Codes: A61B 5/0022 Monitoring a patient using a global network, e.g. telephone networks, internet
• CPC Class Codes: A61B 5/0031 Implanted circuitry
• CPC Class Codes: A61B 5/01 Measuring temperature of body parts ; Diagnostic temperature sensing, e.g. for malignant or inflamed tissue clinical contact thermometers G01K13/20
• CPC Class Codes: A61B 5/053 Measuring electrical impedance or conductance of a portion of the body
• CPC Class Codes: A61B 5/0537 Measuring body composition by impedance, e.g. tissue hydration or fat content
• CPC Class Codes: A61B 5/0538 invasively, e.g. using a catheter
• CPC Class Codes: A61B 5/076 Permanent implantations telemetry using implanted circuitry A61B5/0031; implanted stimulators for therapy A61N1/3605, A61N1/362, A61N1/372
• CPC Class Codes: A61B 5/14532 for measuring glucose, e.g. by tissue impedance measurement
• CPC Class Codes: A61B 5/14539 for measuring pH
• CPC Class Codes: A61B 5/14546 for measuring analytes not otherwise provided for, e.g. ions, cytochromes
• CPC Class Codes: A61B 5/14551 for measuring blood gases
• CPC Class Codes: A61B 5/1473 invasive, e.g. introduced into the body by a catheter A61B5/1482 takes precedence
• CPC Class Codes: A61B 5/18 for vehicle drivers or machine operators
• CPC Class Codes: A61B 5/413 Monitoring transplanted tissue or organ, e.g. for possible rejection reactions after a transplant
• CPC Class Codes: A61B 5/4318 Evaluation of the lower reproductive system A61B5/4343 takes precedence
• CPC Class Codes: A61B 5/4833 Assessment of subject's compliance to treatment
• CPC Class Codes: A61B 5/4878 : Evaluating oedema
• 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 5/742 : using visual displays A61B5/339 takes precedence
• CPC Class Codes: A61B 5/747 : in case of emergency, i.e. alerting emergency services

Abstract

The present invention relates to a health monitoring system comprising an implantable sensor configured to measure impedance within a body tissue of the subject resulting from an electrical current flowing through said body tissue, wherein the body tissue is sub-dermal or subcutaneous tissue of said subject, the sensor including a powering and communication circuit having a coil configured to be powered by an electromagnetic field and to communicate with external devices. Further, the system comprises a reader module including a coil configured to produce the electromagnetic field for powering the powering and communication circuit and for communicating with the powering and communication circuit, a computing device comprising a display device, a processing device and at least one storage device, the computing device being configured to communicate with other devices via at least one wireless network and a monitoring engine for determining or monitoring at least one physiological parameter based on measured impedance, wherein the reader module and the computing device and the monitoring engine are configured to communicate with each other.

Claims

1-13. -13. (canceled)

14. A health monitoring system comprising:

an implantable sensor configured to measure impedance within a body tissue of the subject resulting from an electrical current flowing through said body tissue using a four-paint measurement technology, wherein the body tissue is sub-dermal or subcutaneous tissue of said subject, the sensor including a powering and communication circuit having a coil configured to be powered by an electromagnetic field and to communicate with external devices;

a reader module including a coil configured to produce the electromagnetic field for powering the powering and communication circuit and for communicating with the powering and communication circuit;

a computing device comprising a display device, a processing device and at least one storage device, the computing device being configured to communicate with other devices via at least one wireless network;

a monitoring engine for determining or monitoring at least one physiological parameter based on measured impedance, wherein the reader module and the computing device and the monitoring engine are configured to communicate with each other.

15. The health monitoring system according to claim 14, further comprising a health care provider unit, wherein said communication device comprises a medical system communication engine configured to communicate with the health care provide server via at least one wireless network.

16. The health monitoring system according to claim 15, wherein the health care provider unit comprises a patient portal, wherein a user can access patient information via the patient portal.

17. The health monitoring system according to claim 14, wherein the monitoring engine is implemented in the at least one storage device or the processing device of the computing device.

18. The health monitoring system according to claim 14, wherein the reader module is connectable to the computing device or is implemented in the computing device.

19. The health monitoring system according to claim 14, wherein the computing device is configured to display the at least one physiological parameter on the display device.

20. The health monitoring system according to claim 14, wherein the monitoring engine comprises an alert function configured to provide at least one alert signal if at least one monitored physiological parameter satisfy predetermined conditions.

21. The health monitoring system according to claim 14, wherein the monitoring engine comprises an information provider module configured to obtain information related to the subject from at least one device via the at least one network and to present information related to the subject on the display device.

22. The health monitoring system according to claim 14, wherein the monitoring engine is configured to correlate the measured impedance with a predetermined relationship between impedance and a at least one physiological parameter.

23. The health monitoring system according to claim 22, wherein the monitoring engine is configured to determine a glucose level in the subject by correlating the measured impedance with a predetermined relationship between impedance and blood glucose levels.

24. The health monitoring system according to claim 14, wherein the implantable sensor comprises:

one pair of injection electrodes configured for injection of electrical current into the body tissue, wherein the electrical current is passed from one of the injection electrodes to the other of the injection electrodes through the body;

one pair of sensing electrodes configured to detect the resulting voltage caused by the current flowing between the pair of injection electrodes and through said body tissue;

a current signal output circuit operatively connected to the microcontroller and the injection electrodes and being configured to provide electrical current at predetermined frequencies to the injection electrodes;

a detector operatively connected to the sensing electrodes and configured to receive the voltage detected by the sensing electrodes, wherein the detector is configured to measure the impedance of the body tissue based on the voltage detected by the pair of sensing electrodes; and

a microcontroller operatively connected to the detector and being configured to receive impedance signals from the detector and to provide control signals to the current signal output circuit.

25. The health monitoring system according to claim 22, wherein said detector comprises a I/Q (In-phase/Quadrature) demodulator comprising one signal path for extraction of the I and components, respectively, wherein a sensed voltage is received from said sensing electrodes as input and an output of said I/O demodulator is at least one DC signal.

26. The health monitoring system according to claim 14, wherein the powering and communication circuit is configured to communicate with the reading module using a back-scattering technique.