Electric field cancer treatment apparatus and method using rotating alternating current electric field
AssigneesFieldcure Co., Ltd., Korea University Research and Business Foundation
InventorsJong Hyun Kim, Geon Oh, Hee Hun Sung, Myong Geun Yoon
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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.
Claims8
An electric field applying apparatus using a rotating alternating current (AC) electric field, comprising:
- 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,
- wherein the plurality of electrode pairs comprise a first electrode pair and a second electrode pair,
- wherein a first AC electric field is applied to the target area in a first direction by the first electrode pair, and a second AC electric field is applied to the target area in a second direction by the second electrode pair,
- wherein the first AC electric field has a first frequency and a first envelope, and the second AC electric field has a second frequency and a second envelope,
- wherein the first frequency and the second frequency are selected in a range of 50 kHz to 500 kHz to interfere with mitosis of cells in the target area,
- wherein phases and intensities of the first envelope and the second envelope are selected so that a direction of an electric field transmitted to the cells of the target area rotates.
3-4. (canceled)
An electric field applying method using a rotating alternating current (AC) electric field, comprising:
- selecting a frequency and an envelope of a first AC electric field to be transmitted to a target area in a body by a first electrode pair;
- selecting a frequency and an envelope of a second AC electric field to be transmitted to the target area by a second electrode pair;
- simultaneously applying a first AC electric field and a second AC electric field respectively by the first electrode pair and the second electrode pair;
- and
- rotating an electric field transmitted to the target area by the first AC electric field and the second AC electric field,
- wherein the first AC electric field has a first frequency and a first envelope, and the second AC electric field has a second frequency and a second envelope,
- wherein the first frequency and the second frequency are selected in a range of 50 kHz to 500 kHz to interfere with mitosis of cells in the target area,
- wherein phases and intensities of the first envelope and the second envelope are selected so that a direction of an electric field transmitted to the cells of the target area rotates.
Dependencies are inferred from the claim text.