Apparatus and method for detection of tumors in tissue

Details Apparatus and method for detection of tumors in tissue Apparatus and method for detection of tumors in tissue

1981-07-23

1984-07-10

Howell, Kyle L.

Surgery

Truss

Pad

A61B 505

Patent

active

044586949

ABSTRACT:
Apparatus for detecting tumors in living human breast tissue comprising apparatus for determining the dielectric constants of localized regions of living human breast tissue including probe apparatus comprising a multiplicity of probe elements, apparatus for applying an AC signal to the tissue, apparatus for sensing electrical properties at each of the probe elements at a plurality of different times, and signal processing circuitry, coupled to the sensing apparatus for comparing the electrical properties sensed at the plurality of different times for providing an output indication of the dielectric constant of the localized region of breast tissue associated with the probe apparatus.

REFERENCES:
patent: 4331160 (1982-05-01), Zito, Sr.
Bottomley, P. A., "A Technique for Measurement of Tissue Impedance from 1-100 MHz using a Vector Impedance Meter", J. Phys. E. Sci. Instrum., VII #5, May 1978, pp. 413-414.
Yokoi, H. et al., "Computer-Aided UTS Diagnostic Equipment for Simultaneous Toneogram Method", Toshiba Rev. (Intnl. Ed.), Japan No. 84, Aug. 1973, pp. 33-39.

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