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Titolo:
Calculation of electric fields induced in the human knee by a coil applicator
Autore:
Buechler, DN; Christensen, DA; Durney, CH; Simon, B;
Indirizzi:
Univ Utah, Dept Bioengn, Salt Lake City, UT 84112 USA Univ Utah Salt LakeCity UT USA 84112 oengn, Salt Lake City, UT 84112 USA Univ Utah, Dept Elect Engn, Salt Lake City, UT 84112 USA Univ Utah Salt Lake City UT USA 84112 Engn, Salt Lake City, UT 84112 USA Electrobiol Inc, Parsippany, NJ USA Electrobiol Inc Parsippany NJ USAElectrobiol Inc, Parsippany, NJ USA
Titolo Testata:
BIOELECTROMAGNETICS
fascicolo: 4, volume: 22, anno: 2001,
pagine: 224 - 231
SICI:
0197-8462(200105)22:4<224:COEFII>2.0.ZU;2-L
Fonte:
ISI
Lingua:
ENG
Soggetto:
PULSED ELECTROMAGNETIC-FIELDS; OSTEOARTHRITIS;
Keywords:
finite difference; frequency domain; cartilage; magnetic field; computer simulation; pulsed field;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Life Sciences
Citazioni:
15
Recensione:
Indirizzi per estratti:
Indirizzo: Christensen, DA Univ Utah, Dept Bioengn, 50 S Cent Campus Dr,Room 2480, Salt Lake City, UT84112 USA Univ Utah 50 S Cent Campus Dr,Room 2480 Salt LakeCity UT USA 84112
Citazione:
D.N. Buechler et al., "Calculation of electric fields induced in the human knee by a coil applicator", BIOELECTROM, 22(4), 2001, pp. 224-231

Abstract

Calculations are presented of the induced electric fields and current densities in the cartilage of the knee produced by a coil applicator developed for applying pulsed magnetic fields to osteoarthritic knees. This applicator produces a sawtooth-like magnetic field waveform composed of a series of 260-mus pulses with a peak to peak magnitude of approximately 0.12 mT in the cartilage region. The simulations were performed using a recently developed 3 dimensional finite difference frequency domain technique for solving Maxwell's equations with an equivalent circuit model. The tissue model was obtained from the anatomically segmented human body model of Gandhi. The temporal peak electric field magnitude was found to be -153 mV/m, averaged within the medial cartilage of the knee for the typical dB/dt excitation levels of this coil. The technique can be extended to analyze other excitation waveforms and applicator designs. (C) 2001 Wiley-Liss, Inc.

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Documento generato il 02/04/20 alle ore 05:52:45