[Characterization of helical coil microwave antenna for interstitial hyperthermia]. 1988

T Satoh, and P R Stauffer, and J R Fike
Dept. of Neurological Surgery, Okayama Univ. Med., School.

Implantable microwave antennas for interstitial hyperthermia have been constructed by using a fine wire helical coil extension of the coax feedline inner conductor. The effects of the variable coil length the winding density, and the antenna insertion depth in the tissue on the heating patterns from a single antenna were characterized in phantom models. Results indicated that the helical coil microwave antenna provided localized heat at depth near the antenna tip, and the heating patterns were easily modified by minor changes in the coil length, winding density, and altering the separation gap. The characteristics of the helical coil microwave antenna may increase its potential application to cases of interstitial hyperthermia.

UI MeSH Term Description Entries
D006979 Hyperthermia, Induced Abnormally high temperature intentionally induced in living things regionally or whole body. It is most often induced by radiation (heat waves, infra-red), ultrasound, or drugs. Fever Therapy,Hyperthermia, Local,Hyperthermia, Therapeutic,Thermotherapy,Induced Hyperthermia,Therapeutic Hyperthermia,Therapy, Fever,Local Hyperthermia
D008872 Microwaves That portion of the electromagnetic spectrum from the UHF (ultrahigh frequency) radio waves and extending into the INFRARED RAYS frequencies. EHF Waves,Extremely High Frequency Radio Waves,Micro Wave,Micro Waves,Ultrahigh Frequency Waves,Microwave Radiation,EHF Wave,Micro Waves,Microwave,Microwave Radiations,Radiation, Microwave,Ultrahigh Frequency Wave,Wave, EHF,Wave, Micro,Wave, Ultrahigh Frequency,Waves, Micro
D008961 Models, Structural A representation, generally small in scale, to show the structure, construction, or appearance of something. (From Random House Unabridged Dictionary, 2d ed) Model, Structural,Structural Model,Structural Models
D009369 Neoplasms New abnormal growth of tissue. Malignant neoplasms show a greater degree of anaplasia and have the properties of invasion and metastasis, compared to benign neoplasms. Benign Neoplasm,Cancer,Malignant Neoplasm,Tumor,Tumors,Benign Neoplasms,Malignancy,Malignant Neoplasms,Neoplasia,Neoplasm,Neoplasms, Benign,Cancers,Malignancies,Neoplasias,Neoplasm, Benign,Neoplasm, Malignant,Neoplasms, Malignant
D013814 Thermal Conductivity The heat flow across a surface per unit area per unit time, divided by the negative of the rate of change of temperature with distance in a direction perpendicular to the surface. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed) Coefficient of Conductivity,Heat Conductivity,Conductivity, Heat,Conductivity, Thermal

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