Method and device for obtaining internal heat source information from the surface temperature distribution of living body

A technology of surface temperature and internal heat source, applied in the field of detection of heat source information in organisms, can solve problems such as lack of perfect temperature measurement technology

Inactive Publication Date: 2006-05-17
WUBO SCI TECH WUHAN
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

So far, there is no complete non-destructive temperature measureme...

Method used

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  • Method and device for obtaining internal heat source information from the surface temperature distribution of living body
  • Method and device for obtaining internal heat source information from the surface temperature distribution of living body
  • Method and device for obtaining internal heat source information from the surface temperature distribution of living body

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Embodiment 1

[0047] A method for obtaining internal heat source information from the surface temperature distribution of organisms, by Pennes biological heat conduction equation: ρc ∂ T ∂ t = ▿ ( k · ▿ T ) + w b ρ b c b ( T a - T ) + Q m , First the blood flow term w b ρ b c b (T a -T) and metabolic rate term Q m Merged into a unified internal heat source term q, and assuming that the heat transfer coefficient k is a constant, the equation becomes: k ...

Embodiment 2

[0054] A device for obtaining internal heat source information from the temperature distribution on the surface of a living body formed by the method of the above embodiment 1, such as figure 1 As shown, it consists of three parts: an uncooled focal plane infrared detector (1), an interface circuit (2) and a computer system (3). Wherein the non-cooling focal plane infrared detector is connected with the interface circuit, and the interface circuit is connected with the computer system. The uncooled focal plane infrared detector receives the infrared rays radiated by the human body, passes through the interface circuit and is processed by the computer system to obtain the temperature distribution data of the body surface, and simultaneously displays it on the display in the form of a heat map. According to the above-mentioned method of embodiment 1, The depth h and intensity q of the heat source in the body are calculated by computer software based on the temperature distributi...

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Abstract

The present invention is method and device for obtaining internal heat source information from the surface temperature distribution of living body. The device consists of three parts: uncooled focal plane infrared detector, interface circuit and computer system. Human body infrared radiation is received with the uncooled focal plane infrared detector and treated with the interface circuit and computer system to obtain temperature distribution data on the body surface. By means of Pennes biothermal conducting equation, properly simplified mold to find out the analytic solution of the equation and corresponding computer software, the depth h and the strength q information of the abnormal intracorporeal heat source may be obtained conveniently and simply based on the temperature distribution data on the body surface. The present invention can provide useful reference for the clinical diagnosis of diseases in imaging science method.

Description

Technical field [0001] The invention relates to a method and a device for detecting heat source information in a living body. The invention belongs to the technical field of temperature measurement methods and instruments, and also belongs to the technical field of medical instruments. Background technique [0002] With the rapid development of modern medicine, people are required to gradually transition from qualitative to quantitative research on biological heat transfer phenomena. The results directly stimulate the urgency of human beings to deeply understand the heat transfer characteristics and mechanism of human body, and form a new scientific research field. Interdisciplinarity - Biological Heat Transfer. Its content involves heat and mass transfer phenomena from cells and subcellular levels to tissues, organs and even the whole organism. The introduction of engineering thermophysics methods and technologies has made important progress in the solution of thermal phe...

Claims

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Application Information

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IPC IPC(8): A61B5/01A61B5/00G01K17/00
Inventor 李凯扬
Owner WUBO SCI TECH WUHAN
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