Medical diagnostic microwave scanning apparatus

Details Medical diagnostic microwave scanning apparatus Medical diagnostic microwave scanning apparatus

1982-04-19

1987-02-10

Howell, Kyle L.

Surgery

Truss

Pad

A61B 505

Patent

active

046416595

ABSTRACT:
Microwave apparatus for diagnosis of cancer of the breast includes a microwave transmitter and a microwave antenna for directing a microwave signal to the breast under examination, and a microwave receiver having amplitude and phase shift detectors for receiving of reflected microwave signals. A processor is connected to the receiver for processing the amplitude and phase information to detect and locate cancer in the breast. A matching plate having a dielectric constant substantially the same as normal breast tissue is located between and in engagement with the breast and antenna. The antenna engages and sweeps over the plane surface of the matching plate to eliminate any air gap in the transmission path. A display unit is connected to the processor to create a microwave image of cancer growth, if any.

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Mallard, Jr. R. et al., "Dielectric Absorption of Microwaves in Human Tissues", Nature, vol. 213, No. 5071, Jan. 7, 1967, pp. 28-30.
Lehmann, J. F. et al., "Evaluation of a Microwave Contact Applicator", Archives of Phys. Med. & Rehabilitation, Mar. 1970, pp. 113-114.

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