Non-invasive temperature measurement method and apparatus
First Claim
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1. A method of measuring the temperature of the core of a body, which comprises:
- a) providing a heat conductive space outside the body and in contact with its surface;
b) monitoring the difference of the temperatures of two points located within said space and at different distances from said body surface;
c) if said temperature difference indicates that heat is flowing from the body surface outwards, generating heat in said space, to reduce said temperature difference;
d) monitoring said temperature difference; and
e) assuming the temperature of one of said two points, when said temperature difference is zero, as the temperature of said body core.
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Abstract
A method of measuring the temperature of the core of a body includes: a) providing a heat conductive space outside the body and in contact with its surface; b) monitoring the difference of the temperatures of two points located within the space and at different distances from the body surface; c) if the temperature difference indicates that heat is flowing from the body surface outwards, generating heat in the space in order to reduce the temperature difference; d) monitoring the temperature difference; and e) assuming the temperature of one of the two points, when the temperature difference is zero, as the temperature of body core.
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Citations
24 Claims
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1. A method of measuring the temperature of the core of a body, which comprises:
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a) providing a heat conductive space outside the body and in contact with its surface;
b) monitoring the difference of the temperatures of two points located within said space and at different distances from said body surface;
c) if said temperature difference indicates that heat is flowing from the body surface outwards, generating heat in said space, to reduce said temperature difference;
d) monitoring said temperature difference; and
e) assuming the temperature of one of said two points, when said temperature difference is zero, as the temperature of said body core. - View Dependent Claims (2, 3, 4, 5)
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6. An apparatus for measuring the temperature of the core of a body, which comprises:
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I—
a capsule, the inside of which is heat conductive, which has a surface adapted to be placed in contact with the surface of the body the core temperature of which is to be measured, and which is thermally insulated on all its other surfaces;
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a heating element for heating the inside of the capsule;
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two temperature sensors for measuring the temperatures of two points inside the capsule or the difference of said temperatures;
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a control module, including a power supply; and
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a connection between the capsule and the control module.- View Dependent Claims (7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24)
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Specification