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Título : Experimental evaluation of some narrow-band ultrasonic transducers as therapy applicators
Autor : González, G.; Azbaid, Abdelhalim; Leija, Lorenzo; Ramos, Antonio; Rami, X.; San Emeterio, José Luis; Moreno, E.
Palabras clave : Ultrasonic transducers
Narrow-band applicators
Medical therapy treatments
Ultrasonic energy concentration
Field patterns
Diathermy
Hyperthermia
Medical ecography
Fecha de publicación : sep-2002
Editor: Sociedad Española de Acústica
Citación : Forum Acusticum Sevilla 2002. Ultrasonics ; ULT-04-012-IP
Resumen: Conventional narrow-band applicators used for diathermy and hyperthermia purposes in therapy treatments present certain limitations to depose energy accurately and uniformly in the desired target. In addition they could radiate some energy away the treatment field, by insonifying neighbour tissues. With conventional ultrasonic transducers, the classical CW radiation presents near and far field patterns having notable irregularities and secondary lobes more accentuated in the real radiators, which could create undesired hot points or could attain healthy tissues. In this paper, the possible incidences of the above mentioned aspects are experimentally evaluated by arranging commercial and own-developed diathermy applicators radiating into a water tank as an artificial propagation medium.
Descripción : 6 pages, 5 figures.-- PACS nrs.: 43.35, 43.38.-- Communication presented at: Forum Acusticum Sevilla 2002 (Sevilla, Spain, 16-20 Sep 2002), comprising: 3rd European Congress on Acoustics; XXXIII Spanish Congress on Acoustics (TecniAcústica 2002); European and Japanese Symposium on Acoustics; 3rd Iberian Congress on Acoustics.-- Special issue of the journal Revista de Acústica, Vol. XXXIII, year 2002.
URI : http://hdl.handle.net/10261/7997
ISBN : 84-87985-07-6
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