Apparatus for the non-invasive measurement of thermal properties

Details Apparatus for the non-invasive measurement of thermal properties Apparatus for the non-invasive measurement of thermal properties

1988-05-18

1989-08-22

Cuchlinski, Jr., William A.

Thermal measuring and testing

Determination of inherent thermal property

Thermal conductivity

374 43, 374 29, 128691, 128736, G01N 2518, G01K 1708, A61B 502

Patent

active

048590789

ABSTRACT:
Thermal conductivity, thermal diffusivity and/or fluid perfusion within a medium such as cutaneous tissue is non-invasively measured by at least two heating and temperature sensor. One sensor is positioned in thermal communication with the medium and a second sensor is positioned thermal communication with the first sensor. Both sensor are heated (or cooled) so as to substantially prevent net heat flow between them. In this manner, net heat flow between the first sensor and the medium can be measured, which measurements allow determination of the thermal conductivity, thermal diffusivity and/or fluid perfusion within the medium.

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patent: 4125012 (1978-11-01), Madsen

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