Concept of a Microwave Heating Array along with IR Radiometry for Measuring Regional Blood Perfusion

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

This paper presents the concept of applying an array of microwave heating (MWH) antennas for the measurement of skin perfusion through thermoregulatory temperature response, captured by the infrared (IR) thermal imaging. Each antenna element has a hole placed in it to allow for multi-point perfusion measurement. The thermal responses at the holes (points) are simultaneously measured by an IR camera. A microstrip-fed, 2 by 1 array of rectangular shape annular slot antennas, on a semi-flexible substrate, operating at 2.45 GHz, was designed. 10-mm diameter holes allow the IR measurement of the skin temperature. Two pairs of this array, side by side, were used for MWH and the control. Measurements performed on tissue phantom and lower arm demonstrate promising results, where about 1 W power per element is enough to raise the tissue temperature by a desirable 2 °C per hole, within a reasonable time.

Original languageEnglish (US)
Title of host publication2019 IEEE MTT-S International Microwave Symposium, IMS 2019
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages228-231
Number of pages4
ISBN (Electronic)9781728113098
StatePublished - Jun 1 2019
Event2019 IEEE MTT-S International Microwave Symposium, IMS 2019 - Boston, United States
Duration: Jun 2 2019Jun 7 2019

Publication series

NameIEEE MTT-S International Microwave Symposium Digest
Volume2019-June
ISSN (Print)0149-645X

Conference

Conference2019 IEEE MTT-S International Microwave Symposium, IMS 2019
CountryUnited States
CityBoston
Period6/2/196/7/19

Fingerprint

Radiometry
Microwave heating
blood
Blood
Infrared radiation
microwaves
heating
Infrared imaging
Skin
antennas
Tissue
Antennas
slot antennas
Slot antennas
Temperature
temperature
Cameras
cameras
Substrates

All Science Journal Classification (ASJC) codes

  • Radiation
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

Cite this

Tofighi, M., & Attaluri, A. (2019). Concept of a Microwave Heating Array along with IR Radiometry for Measuring Regional Blood Perfusion. In 2019 IEEE MTT-S International Microwave Symposium, IMS 2019 (pp. 228-231). [8701127] (IEEE MTT-S International Microwave Symposium Digest; Vol. 2019-June). Institute of Electrical and Electronics Engineers Inc..
Tofighi, Mohammad-reza ; Attaluri, Anilchandra. / Concept of a Microwave Heating Array along with IR Radiometry for Measuring Regional Blood Perfusion. 2019 IEEE MTT-S International Microwave Symposium, IMS 2019. Institute of Electrical and Electronics Engineers Inc., 2019. pp. 228-231 (IEEE MTT-S International Microwave Symposium Digest).
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abstract = "This paper presents the concept of applying an array of microwave heating (MWH) antennas for the measurement of skin perfusion through thermoregulatory temperature response, captured by the infrared (IR) thermal imaging. Each antenna element has a hole placed in it to allow for multi-point perfusion measurement. The thermal responses at the holes (points) are simultaneously measured by an IR camera. A microstrip-fed, 2 by 1 array of rectangular shape annular slot antennas, on a semi-flexible substrate, operating at 2.45 GHz, was designed. 10-mm diameter holes allow the IR measurement of the skin temperature. Two pairs of this array, side by side, were used for MWH and the control. Measurements performed on tissue phantom and lower arm demonstrate promising results, where about 1 W power per element is enough to raise the tissue temperature by a desirable 2 °C per hole, within a reasonable time.",
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Tofighi, M & Attaluri, A 2019, Concept of a Microwave Heating Array along with IR Radiometry for Measuring Regional Blood Perfusion. in 2019 IEEE MTT-S International Microwave Symposium, IMS 2019., 8701127, IEEE MTT-S International Microwave Symposium Digest, vol. 2019-June, Institute of Electrical and Electronics Engineers Inc., pp. 228-231, 2019 IEEE MTT-S International Microwave Symposium, IMS 2019, Boston, United States, 6/2/19.

Concept of a Microwave Heating Array along with IR Radiometry for Measuring Regional Blood Perfusion. / Tofighi, Mohammad-reza; Attaluri, Anilchandra.

2019 IEEE MTT-S International Microwave Symposium, IMS 2019. Institute of Electrical and Electronics Engineers Inc., 2019. p. 228-231 8701127 (IEEE MTT-S International Microwave Symposium Digest; Vol. 2019-June).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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Tofighi M, Attaluri A. Concept of a Microwave Heating Array along with IR Radiometry for Measuring Regional Blood Perfusion. In 2019 IEEE MTT-S International Microwave Symposium, IMS 2019. Institute of Electrical and Electronics Engineers Inc. 2019. p. 228-231. 8701127. (IEEE MTT-S International Microwave Symposium Digest).