Method and apparatus for non-invasively estimating body core temperature
First Claim
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1. A method of estimating body Core Temperature, comprising:
- determining Heart Rate Variability;
determining Mean Skin Temperature; and
calculating body Core Temperature based on data comprising the determined Heart Rate Variability and Mean Skin Temperature.
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Abstract
Non-invasive methods and devices are disclosed to derive estimates of body Core Temperature from external sensors that provide electrocardiograph (ECG) data, and Mean Skin Temperature data. The ECG and Mean Skin Temperature are input to a model that provides estimates of Core Temperature temperature. The model is derived regressively from ECG, Mean Skin Temperature and Core Temperature data obtained from a number of test subjects. A monitoring device may be used, for example, to trigger an alarm, display Core Temperature data to the device wearer or to a remote monitoring station, or to activate an emergency temperature control system or device.
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Citations
22 Claims
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1. A method of estimating body Core Temperature, comprising:
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determining Heart Rate Variability; determining Mean Skin Temperature; and calculating body Core Temperature based on data comprising the determined Heart Rate Variability and Mean Skin Temperature. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. An apparatus for estimating the Core Temperature of a body, comprising:
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a non-invasive sensor to detect cardiac data from the body; a non-invasive sensor to detect temperature data from the body, at least one processor programmed to execute instructions to; derive Heart Rate Variability data from the cardiac data and to derive Mean Skin Temperature data from the temperature data detected from the body, and further to derive an estimate of body Core Temperature from data comprising the Heart Rate Variability and Mean Skin Temperature data. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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Specification