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A Dielectric Rod Waveguide Applicator for Microwave Hyperthermia
Ryoji TANAKA Yoshio NIKAWA Shinsaku MORI
IEICE TRANSACTIONS on Communications
Publication Date: 1993/06/25
Print ISSN: 0916-8516
Type of Manuscript: PAPER
Category: Electronic and Radio Applications
microwave hyperthermia, heating applicator, dielectric rod, heat pattern control,
Full Text: PDF(491.9KB)>>
A dielectric rod waveguide applicator for microwave heating such as microwave hyperthermia is described. The applicator consists of the acrylic cylinder filled with deionized water. By circulating the deionized water, the dielectric rod waveguide applicator acts as a surface cooling device, so that it doesn't need any bolus. This surface cooling device enables the dielectric rod waveguide applicator to control the site of effective heating region along the depth axis. Useful pattern of the circular or spheroidal shape and axially symmetric effective heating region were obtained. Furthermore metal strips provided on the aperture of applicator control the shape of the heating pattern.