Device for measuring the body core temperature
First Claim
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1. A device for measuring the body core temperature of a person, the device comprisinga means for firmly wrapping around the upper body of the person;
- a double temperature sensor connected with said means for wrapping around the upper body such that it is pressed elastically onto the upper body in the state in which it is put on in the area of the sternum of the person, said double temperature sensor including first and second temperature sensors arranged spaced from one another by a known thermal conductivity, said first temperature sensor being arranged against the area of the sternum, said second temperature sensor being arranged in combination with said first temperature sensor and said thermal conductivity to measure heat flow through the area of the sternum, the double temperature sensor being fastened with a fastening means of variable extension to the means for firmly wrapping around the upper body such that the distance between the double temperature sensor and the means for wrapping around the upper body is variable.
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Abstract
A device for measuring the body core temperature of a person contains a structure for firmly wrapping around the upper body of the person. A double temperature sensor is connected with the structure for wrapping around the upper body such that the double temperature sensor is pressed elastically onto the upper body in the state in which it is put on in the area of the sternum. The device for measuring the body core temperature is suitable for the integration of a body core temperature measurement in clothing or chest belt systems.
57 Citations
27 Claims
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1. A device for measuring the body core temperature of a person, the device comprising
a means for firmly wrapping around the upper body of the person; a double temperature sensor connected with said means for wrapping around the upper body such that it is pressed elastically onto the upper body in the state in which it is put on in the area of the sternum of the person, said double temperature sensor including first and second temperature sensors arranged spaced from one another by a known thermal conductivity, said first temperature sensor being arranged against the area of the sternum, said second temperature sensor being arranged in combination with said first temperature sensor and said thermal conductivity to measure heat flow through the area of the sternum, the double temperature sensor being fastened with a fastening means of variable extension to the means for firmly wrapping around the upper body such that the distance between the double temperature sensor and the means for wrapping around the upper body is variable. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A device for measuring the body core temperature of a person, the device comprising:
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a belt firmly wrappable around an upper body of the person; a double temperature sensor connected to said belt, said double temperature sensor including first and second temperature sensors arranged spaced from one another by a material having a predetermined thermal conductivity determined based on size and shape, said first temperature sensor being arranged against an area of a sternum of the person, said second temperature sensor being arranged in combination with said first temperature sensor and said material having said predetermined thermal conductivity to measure heat flow through the area of the sternum; a biasing element connecting said double temperature sensor to said belt, said biasing element and said belt being arranged to bias said double sensor against the area of the sternum of the person when said belt is wrapped around the upper body of the person; an evaluating unit receiving signals from said first and second temperature sensors, said evaluating unit using said predetermined thermal conductivity between said first and second sensors, and using said signals from said first and second sensors to determine a heat flow through the area of the sternum, said evaluating unit using said heat flow and an estimate of a thermal conductivity of body tissue in the area of the sternum to determine the body core temperature of the person. - View Dependent Claims (21, 22, 23, 24, 25)
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26. A method for measuring body core temperature of a person, the method comprising the steps of:
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wrapping a belt firmly around an upper body of the person; providing a double temperature sensor arranged on said belt, said double temperature sensor including first and second temperature sensors arranged space from one another by a material having a predetermined thermal conductivity determined based on size and shape; arranging said first temperature sensor against an area of the sternum of the person; arranging said second temperature sensor in combination with said first temperature sensor and said material having said predetermined thermal conductivity to measure heat flow through the area of the sternum; biasing said double temperature sensor against the area of the sternum of the person; determining a heat flow through the area of the sternum from said predetermined thermal conductivity and signals from said first and second temperature sensors; determining the body core temperature of the person from said heat flow and an estimate of a thermal conductivity of body tissue in the area of the sternum of the person.
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27. A device for measuring the body core temperature of a person, the device comprising
a means for firmly wrapping around the upper body of the person; -
a double temperature sensor connected with said means for wrapping around the upper body such that it is pressed elastically onto the upper body in the state in which it is put on in the area of the sternum of the person, said double temperature sensor including first and second temperature sensors arranged spaced from one another by a known thermal conductivity, said first temperature sensor being arranged against the area of the sternum, said second temperature sensor being arranged in combination with said first temperature sensor and said thermal conductivity to measure heat flow through the area of the sternum; means for measuring the pressing pressure with which the double temperature sensor is pressed onto the body.
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Specification