Microwave method and system to detect and locate cancers in hete

Details Microwave method and system to detect and locate cancers in hete Microwave method and system to detect and locate cancers in hete

1996-05-02

1998-11-03

Casler, Brian L.

Surgery

Truss

Pad

324638, A61B 505

Patent

active

058294376

ABSTRACT:
A method and system for detecting an incipient tumor in living tissue such as that of a human breast in accordance with differences in relative dielectric characteristics. A generator produces a non-ionizing electromagnetic input wave of preselected frequency, usually exceeding three gigahertz, and that input wave is used to irradiate the living tissue, being effectively focused into a minute, discrete volume within the tissue to develop a non-ionizing electromagnetic wave at that position. The illumination location is shifted over a portion of the living tissue in a predetermined scanning pattern. Backscatter signal returns from the living tissue are collected to develop a backscatter return signal wave. The backscatter wave is processed to segregate skin tissue backscatter to develop a segregated backscatter wave signal; that segregated signal, in turn, is employed to detect any anomaly, caused by differences in relative dielectric characteristics, that is indicative of the presence of a tumor or other abnormality in the scanned living tissue.

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