Switching frequency optimization in Hyperthermia treatment using BSD 2000

Hyperthermia treatment is a process adopted in cancer healing in which the affected tissues are exposed to a very high temperature. Details of hyperthermia treatment and its classification are given. It has been found that regional hyperthermia treatment is the most suitable method extensively employed for cancer treatment. The different heat delivery methods along with their frequency range are also mentioned required for hyperthermia treatment. The existing heating technique used in the hyperthermia treatment with BSD-2000 equipment is resistance heating which is replaced by an induction heating concept in the present work. The drawbacks of conventional BSD-2000 instrument are mentioned & also method to overcome them with induction heating concept is explained. The different frequencies required for various hyperthermia treatments vary in wide range which makes the existing BSD-2000 system very difficult to operate under different health conditions of patients. The switching frequency used in the proposed system is optimized analytically using `Stepest Descent' method which is found to be satisfactory for hyperthermia treatment. Thus hyperthermia treatment can be used uniformly for every circumstance.