Procedure and apparatus for noncontacting measurement of subcutaneous temperature distributions
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United States of America Patent
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Oct 4, 1983
Issued Date -
N/A
app pub date -
Jan 21, 1981
filing date -
Aug 14, 1978
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Abstract
A method and apparatus for noncontacting measurement and imaging of subcutaneous temperature distributions for the early detection of tumors. The (black-body) thermal electromagnetic radiation emitted by hyperthermic tumorous tissues is collected, focussed and detected within several frequency bands from 8 GHz to 36 GHz using a specially designed light-weight elliptical reflector and a highly sensitive broadband radiometer which are scanned in a raster type fashion over the supine patient. Direct indication of subcutaneous temperatures, microcomputer-aided data processing, and color or grey scale image display provide clinically usable subcutaneous thermograms at several depths which, together with conventional cutaneous infrared thermograms, can be utilized for the early detection and mass screening of tumors such as breast cancer.
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