Metamaterial applicator for microwave hyperthermia

Author

Velazquez-Ahumada, Maria C. ; Freire, Manuel J. ; Marques, Ricardo

Author_Institution

Fac. of Phys., Dept. of Electron. & Electromagn., Univ. of Seville, Seville, Spain

fYear

2011

fDate

13-20 Aug. 2011

Firstpage

1

Lastpage

4

Abstract

In this work, it is studied the application in hyperthermia of a microwave focusing device based on meta-materials. The device consists of a planar array of split-ring resonators placed between two parallel metallic plates and it is fed by a small loop antenna which excites the split-rings. The device is modelled as an homogeneous uniaxial slab of negative permeability placed between two metallic plates. Both the fields and the temperature distribution in model of breast tissue and a tumor are numerically obtained. The field produced by the fabricated device inside a phantom resembling the breast tissue was measured with a probe to check the theoretical predictions.

Keywords

biomedical equipment; biomedical measurement; hyperthermia; loop antennas; metamaterial antennas; metamaterials; permeability; phantoms; radiation therapy; resonators; slabs; tumours; breast tissue; homogeneous uniaxial slab; metallic plates; metamaterial applicator; microwave focusing device; microwave hyperthermia; negative permeability; phantom; small loop antenna; split-ring resonators; temperature distribution; tumor; Breast tissue; Hyperthermia; Metamaterials; Microwave theory and techniques; Phantoms; Slabs; Tumors;

fLanguage

English

Publisher

ieee

Conference_Titel

General Assembly and Scientific Symposium, 2011 XXXth URSI

Conference_Location

Istanbul

Print_ISBN

978-1-4244-5117-3

Type

conf

DOI

10.1109/URSIGASS.2011.6050641

Filename

6050641