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Original Article

A magnetic induction heating system with multi-cascaded coils and adjustable magnetic circuit for hyperthermia

, , &
Pages 59-64 | Received 16 Jun 2014, Accepted 28 Sep 2014, Published online: 07 Nov 2014
 

Abstract

Based on the characteristics of cancer cells that cannot survive in an environment with temperature over 42 °C, a magnetic induction heating system for cancer treatment is developed in this work. First, the methods and analyses for designing the multi-cascaded coils magnetic induction hyperthermia system are proposed, such as internal impedance measurement of power generator, impedance matching of coils, and analysis of the system. Besides, characteristics of the system are simulated by a full-wave package for engineering optimization. Furthermore, by considering the safety factor of patients, a two-sectional needle is designed for hyperthermia. Finally, this system is employed to test the liver of swine in ex-vivo experiments, and through Hematoxylin and Eosin (H&E) stain and NADPH oxidase activity assay, the feasibility of this system is verified.

Declaration of interest

The authors report no conflicts of interest. The authors alone are responsible for the content and writing of this article.

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