癌の高周波誘導焼灼法に用いる針状フェライトの開発 [in Japanese] Development of Needle-shaped Ferrite Material for High-frequency Inductive Ablation of Cancer [in Japanese]
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An attempt has been made to obtain a medical material applicable to the ablation therapy of liver cancer. The heating property of the needle-shaped Mg-ferrite (MgFe2O4) prepared using a sintering technique was studied under an external AC magnetic field at 370 kHz. The increase in temperature (ΔT) was as high as 32℃ for the stick of 1.5 mm in diameter, while the complementary use of these three sticks achieved marked ΔT enhancement of 58℃. In a rabbit liver, high-frequency inductive heating of the needle-shaped Mg-ferrite resulted in the local destruction of the tissue due to coagulative necrosis.
- Annual journal of engineering, Ehime University
Annual journal of engineering, Ehime University 5, 74-78, 2006-03