Gapped resonant microwave apparatus for producing hyperthermia t

Details Gapped resonant microwave apparatus for producing hyperthermia t Gapped resonant microwave apparatus for producing hyperthermia t

1980-08-12

1983-04-05

Cohen, Lee S.

Surgery

Truss

Pad

219 1055F, A61N 504

Patent

active

043788068

ABSTRACT:
Apparatus and process for elevating the temperature of a tumor (22) by hyperthermia without unduly heating healthy tissue surrounding the tumor containing tissue, and controlling generally the temperature distribution within any dielectric medium put in place of the tissue (20), which medium acts as a dielectric load in the microwave circuit. The apparatus comprises a gapped, resonant microwave circuit having matching media for matching the intrinsic impedance of the dielectric load to the intrinsic impedance of any medium within the waveguides (16) and 16') which serve to conduct the microwave beams to the tissue (20) to be treated. Heat may be removed from the dielectric fluid (38) of a dielectric matching medium by circulating the dielectric fluid to a heat exchanger (41).

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