About: Waveguide-based Applicators for Superficial Hyperthermia Treatment: is Tuning Really Required?

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Waveguide-based applicators are used for hyperthermia treatment of superficial tumors, e.g. chest wall recurrences. During superficial hyperthermia treatment (SHT), the patient is in the near field of these antennas, so its radiating properties may vary. To maximize the transfer power from generators towards treatment area, waveguide-based applicators usually feature means for tuning the applicators. The purpose of this study was to investigate whether waveguide-based applicators for SHT really require such tuning. Hereto, we designed and optimized a waveguide lucite applicator at 434 MHz, applying a muscle phantom and a layered (skin, fat and muscle) phantom to mimic the patient. Applicator performance was measured for different water bolus temperatures and temperatures of the water circulating the applicator by studying impedance matching. dB was measured for nine locations at the skin of a volunteer and three different water bolus temperatures. We conclude that tuning of waveguide-based applicators is not required when the applicator is properly designed. Waveguide-based applicators are used for hyperthermia treatment of superficial tumors, e.g. chest wall recurrences. During superficial hyperthermia treatment (SHT), the patient is in the near field of these antennas, so its radiating properties may vary. To maximize the transfer power from generators towards treatment area, waveguide-based applicators usually feature means for tuning the applicators. The purpose of this study was to investigate whether waveguide-based applicators for SHT really require such tuning. Hereto, we designed and optimized a waveguide lucite applicator at 434 MHz, applying a muscle phantom and a layered (skin, fat and muscle) phantom to mimic the patient. Applicator performance was measured for different water bolus temperatures and temperatures of the water circulating the applicator by studying impedance matching. dB was measured for nine locations at the skin of a volunteer and three different water bolus temperatures. We conclude that tuning of waveguide-based applicators is not required when the applicator is properly designed. (en)
Title	Waveguide-based Applicators for Superficial Hyperthermia Treatment: is Tuning Really Required? Waveguide-based Applicators for Superficial Hyperthermia Treatment: is Tuning Really Required? (en)
skos:prefLabel	Waveguide-based Applicators for Superficial Hyperthermia Treatment: is Tuning Really Required? Waveguide-based Applicators for Superficial Hyperthermia Treatment: is Tuning Really Required? (en)
skos:notation	RIV/68407700:21230/13:00201697!RIV14-GA0-21230___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GAP102/11/0649)
http://linked.open...iv/cisloPeriodika	27
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Vrba, Jan
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	České vysoké učení technické v Praze / Fakulta elektrotechnická
http://linked.open...dnocenehoVysledku	117136
http://linked.open...ai/riv/idVysledku	RIV/68407700:21230/13:00201697
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	hyperthermia (en)
http://linked.open.../riv/klicoveSlovo	hyperthermia
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[65BF6D624E05]
http://linked.open...i/riv/nazevZdroje	Journal of Electromagnetic Waves and Applications
http://linked.open...in/vavai/riv/obor	FD
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Research and measurements of signals generated by nanostructures
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	6
http://linked.open...iv/tvurceVysledku	Vrba, Jan Dřížďal, T. Paulides, M. M. van Rhoon, G. C.
http://linked.open...ain/vavai/riv/wos	000317716500002
issn	0920-5071
number of pages	9 (xsd:int)
http://bibframe.org/vocab/doi	10.1080/09205071.2013.762609
http://localhost/t...ganizacniJednotka	21230

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