CORE BODY TEMPERATURE DETECTION DEVICE

• US 20180160909A1
• Filed: 12/14/2016
• Published: 06/14/2018
• Est. Priority Date: 12/14/2016
• Status: Active Grant

• Current Assignee: Vital Connect, Inc.
• Original Assignee: Vital Connect, Inc.
• Inventors: Damania, Dhwanil, Colliou, Olivier, Aga, Arshan
• Granted Patent: US 10,856,741 B2
• Time in Patent Office: Days
• CPC Class Codes: A61B 2560/0412 Low-profile patch shaped housings
• CPC Class Codes: A61B 2562/043 in a linear array
• CPC Class Codes: A61B 5/0008 Temperature signals
• 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 5/6833 Adhesive patches
• 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: G01K 1/024 for remote indication
• CPC Class Codes: G01K 1/165 for application in zero heat flux sensors
• CPC Class Codes: G01K 13/20 Clinical contact thermometers for use with humans or animals

Abstract

A system and method for detecting and monitoring core body temperature are disclosed. The system includes a patch device and an electronic module coupled to the patch device. The method includes providing a patch device, coupling an electronic module to the patch device to provide a wearable device, and monitoring core body temperature of a user using the wearable device.

Claims

1. A system for core body temperature monitoring, the system comprising:

a patch device; and

an electronic module coupled to the patch device, the electronic module comprises at least two temperature sensors.

2. The system of claim 1, wherein the patch device is disposable and the electronic module is at least one of a disposable module and a reusable module.

3. The system of claim 2, wherein the disposable patch device further comprises:

a top layer;

a sub-assembly layer coupled to the top layer; and

a bottom layer coupled to the sub-assembly layer.

4. The system of claim 3, wherein the top layer comprises a first layer and a chamber area that resides on top of the first layer to house the electronic module.

5. The system of claim 3, wherein the at least two temperature sensors coupled to the patch device are coupled to the sub-assembly layer.

6. The system of claim 4, further comprising a plurality of spacers.

7. The system of claim 6, wherein at least one spacer comprises an insulating material.

8. The system of claim 7, wherein the at least one spacer separates the two temperature sensors.

9. The system of claim 3, wherein the sub-assembly layer comprises an electronic flex circuit.

10. The system of claim 9, wherein the electronic flex circuit includes at least two electrodes, a battery, and integrated connector circuits for the attachment of the electronic module.

11. The system of claim 6, wherein at least one spacers comprise any of closed cell foam, air and polyethylene foam.

12. The system of claim 3, wherein the bottom layer comprises an adhesive bottom layer.

13. The system of claim 1, further comprising at least one motion sensor to detect movement and adjust captured measurements of the at least two temperature sensors according to the detected movements.

14. A method for detecting core body temperature, the method comprising:

receiving a first temperature measure from a first sensor;

receiving a second temperature from a second sensor;

determining whether the sensors are in a steady state;

calculating a predictive temporal estimate for core body temperature when the sensors are not in a steady state;

calculating a core body temperature when the sensors are in a steady state.

15. The method of claim 14, wherein determining whether the sensors are in a steady state comprise comparing changes in continuous temperature sensor measurements to a standardized threshold.

16. The method of claim 14, further comprising a one-time calibration when initially calculating the core body temperature.

17. The method of claim 16, wherein the one-time calibration comprising calibrating to a reference device.

18. The method of claim 17, wherein the reference device comprises a standardized clinical thermometer.

19. The method of claim 14, wherein calculating a core body temperature comprising an adaptive correction factor to thereby remove a dependency on calibration when calculating the core body temperature.

20. The method of claim 15, further detecting movements and adjusting the calculated core body temperature according to the detected movements.

21. A method for core body temperature monitoring, the method comprising:

providing a patch device;

coupling an electronic module to the patch device to provide a wearable device, the electronic module comprising at least two temperature sensors; and

monitoring core body temperature of a user using the wearable device.