Abstract: An electric field cancer treatment apparatus using a rotating alternating current (AC) electric field according to an embodiment of the present disclosure includes a plurality of electrode pairs configured to transmit AC electric fields to a target area in a body, a plurality of AC electric field generators respectively connected to the plurality of electrode pairs and configured to generate AC electric fields to be applied to the plurality of electrode pairs, and a controller configured to control generation of AC electric fields by the plurality of AC electric field generators.

Abstract: A system for determining a tumor treatment plan using dose based on impulse is provided. The system comprises an information receiving unit classifying organs and a tumor of a medical image, and receiving three-dimensional image information including the organs and the tumor, and to receive physical property information including electrical conductivity and permittivity of the medical image; a dose receiving unit receiving a prescription dose information based on the impulse to the tumor; a candidate treatment plan establishing unit making at least one candidate treatment plan including number of treatment electrodes, position of the treatment electrode, treatment frequency, treatment voltage or current density and treatment time using the information received from the information receiving unit and the dose receiving unit; and a treatment plan determining unit determining a candidate treatment plan as a selected treatment plan from at least one candidate treatment plans.

Abstract: The present disclosure describes an apparatus and method for alternating electric fields therapy using an optimization algorithm, and an apparatus for alternating electric fields therapy for treating tumors in a patient by applying electric fields to the tumors and normal tissues using one or more pairs of electrode pads containing most of the electrodes and including an image classifier to classify at least one organ in the patient's image for each organ, and an electric field optimizer to set the number and position of the applied electrodes based on the classified tumors and normal tissues, arrange the electrodes on electrode pads of preset size, and determine different magnitudes of voltage for the set of electrodes.

Abstract: Provided is a system for planning tumor-treating electric fields based on temperature control and absorbed energy in body, comprising a setting unit initially setting the number of electrodes, an electrode location, a duration and strength of voltage for each; a calculating unit calculating absorbed dose and temperature distribution in the body based on the initial settings; an evaluating unit evaluating the calculated absorbed dose and temperature distribution in the body to determine if they meet a preset reference; a changing unit changing at least one of the number of electrodes, the electrode location, the duration or strength of voltage for each electrode when the preset reference is not met; and a planning unit deriving an optimal electric field treatment plan by performing an optimization process including repeating the calculation, the determination and the changing steps until the dose distribution and temperature distribution in the body meet the preset reference.