2012
DOI: 10.4322/rbeb.2012.035
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Calorímetro diferencial para estudo do padrão de aquecimento gerado por feixes ultrassônicos terapêuticos

Abstract: Resumo O presente trabalho descreve o projeto e construção de um calorímetro diferencial com a finalidade de avaliar o aquecimento gerado por feixes ultrassônicos em níveis terapêuticos. O calorímetro consiste em duas câmaras cilíndricas de alumínio idênticas (de medição e de referência), preenchidas com um material mimetizador de tecido biológico (phantom). Cada câmara possui seis termopares tipo E (diâmetro 0,24 mm), posicionados ao longo do eixo central de propagação da onda, entre as profundidades 10-60 mm… Show more

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Cited by 4 publications
(1 citation statement)
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“…In the latter technique, therapeutic ultrasound is employed to loosen up the matrix of body tissues (the thixotropic effect), thereby making them more permeable to, mainly, anti-inflammatory and analgesic drugs. Phonophoresis typically involves the use of hydrogels as vehicles of drug delivery since they exhibit better conductivity and consistency in comparison with emulsions or oils (LOW & REED, 2001;GUIRRO & GUIRRO, 2002;BYL, 2012), and is possible to apply this technique at 1 MHz and 3 MHz, and cavitation and thermal processes are possible to occur, in different applied intensities (OMENA et al, 2012;O'BRIEN JR., 2007).…”
Section: Introductionmentioning
confidence: 99%
“…In the latter technique, therapeutic ultrasound is employed to loosen up the matrix of body tissues (the thixotropic effect), thereby making them more permeable to, mainly, anti-inflammatory and analgesic drugs. Phonophoresis typically involves the use of hydrogels as vehicles of drug delivery since they exhibit better conductivity and consistency in comparison with emulsions or oils (LOW & REED, 2001;GUIRRO & GUIRRO, 2002;BYL, 2012), and is possible to apply this technique at 1 MHz and 3 MHz, and cavitation and thermal processes are possible to occur, in different applied intensities (OMENA et al, 2012;O'BRIEN JR., 2007).…”
Section: Introductionmentioning
confidence: 99%