# US 10,307,287 B2 · Method of regulating body temperature

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- Number: US 10,307,287 B2
- Document ID: US10307287B2
- Status: Granted
- Kind: B2
- Application number: 16/176,838
- Filed: 2018-10-31
- Published: 2019-03-07
- Granted: 2019-06-04
- Earliest claimed: 2016-01-29
- Assignees: National Guard Health Affairs; King Saud bin Abdulaziz University for Health Sciences; King Abdullah International Medical Research Center
- Applicants: National Guard Health Affairs; King Saud bin Abdulaziz University for Health Sciences; King Abdullah International Medical Research Center
- Inventors: Abderrezak Bouchama; Ali Almuntashri
- Web page: https://patentgrep.com/patent/US10307287B2

## CPC

- A61F 7/00: Heating or cooling appliances for medical or therapeutic treatment of the human body (hyperthermia using electric or magnetic fields or ultrasound A61N)
- A61B 5/00: Measuring for diagnostic purposes (radiation diagnosis A61B6/00; diagnosis by ultrasonic, sonic or infrasonic waves A61B8/00); Identification of persons
- A61B 5/389: Electromyography [EMG]
- A61B 5/01: Measuring temperature of body parts {; Diagnostic temperature sensing, e.g. for malignant or inflamed tissue} (clinical contact thermometers G01K13/20)
- A61B 5/026: Measuring blood flow {(A61B3/1233, A61B3/1241 take precedence)}
- A61B 5/029: Measuring blood output from the heart, e.g. minute volume
- A61B 5/11: Measuring movement of the entire body or parts thereof, e.g. head or hand tremor or mobility of a limb {(A61B5/1038 takes precedence; motion detection to correct for motion artifacts in physiological signals A61B5/721)}
- A61F 2007/0086: {with a thermostat}
- A61F 2007/0093: {programmed}
- A61F 2007/0094: {using a remote control}
- A61F 2007/0096: {with a thermometer}
- A61F: FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS (dental prosthetics A61C)
- A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D)

## Abstract

A method of regulating body temperature that involves (i) determining, via processing circuitry, if sensor data from a plurality of sensors is in a predetermined normal range, (ii) converting the sensor data to fuzzy values when the sensor data is not in the predetermined normal range, (iii) combining one or more related consequents of the predetermined fuzzy rules, (iv) evaluating the combined consequents to determine a centroid value using a centroid method; and (v) transmitting the centroid value to a thermal management system to activate the thermal management system to a predetermined activation level based on the centroid value, wherein the plurality of sensors include a core temperature sensor, a skin temperature sensor, a skin blood flow sensor, a cardiac output sensor, a neuromuscular activity output sensor, an electromyography sensor, a vibration sensor, and an imaging device.

## Claims

### Claim 1

A method of regulating body temperature, comprising:
determining, via processing circuitry, if sensor data from a plurality of sensors is in a predetermined normal range;
converting the sensor data to fuzzy values when the sensor data is not in the predetermined normal range;
combining one or more related consequents of the predetermined fuzzy rules;
evaluating the combined consequents to determine a centroid value using a centroid method;
transmitting the centroid value to a thermal management system to activate the thermal management system to a predetermined activation level based on the centroid value;
wherein the sensor data includes data from a plurality of sensors including a core temperature sensor, a skin temperature sensor, a skin blood flow sensor, a cardiac output sensor, a neuromuscular activity output sensor an electromyography sensor, a vibration sensor, and an imaging device; and
wherein the thermal management system is configured to apply optimal temperature regulation via one or more of a fan and a temperature adjustment mechanism.

### Claim 2 (depends on 1)

The method of claim 1, further comprising:
detecting visible movement associated with shivering via the imaging device.

### Claim 3 (depends on 2)

The method of claim 2, further comprising:
detecting shivering independently via the imaging device, or in combination with one or more of the electromyography sensor and the vibration sensor.

### Claim 4 (depends on 3)

The method of claim 3, further comprising:
monitoring continuously the sensor data from the plurality of sensors and any indication of shivering from the imaging device as part of a feedback loop.

### Claim 5 (depends on 4)

The method of claim 4, further comprising:
optimizing temperature regulation to prevent shivering and skin vasoconstriction via the feedback loop.

### Claim 6 (depends on 1)

The method of claim 1, further comprising:
determining, via processing circuitry, if a plurality of predetermined temperature regulation profiles have been received as input to a control system, wherein each predetermined temperature regulation profile is associated with an identified potential illness;
combining the plurality of predetermined temperature regulation profiles to create an average predetermined temperature regulation profile when the control system receives a plurality of predetermined temperature regulation profiles as input;
activating the average predetermined temperature regulation profile;
determining, via processing circuitry, if a single illness has been identified; and
activating the predetermined temperature regulation profile corresponding to the single identified illness when the single illness has been identified.