http://www.cnr.it/ontology/cnr/individuo/prodotto/ID232871
Hyperaemia evaluation in clinical diathermy by four-electrode impedance measurements (Articolo in rivista)
- Type
- Label
- Hyperaemia evaluation in clinical diathermy by four-electrode impedance measurements (Articolo in rivista) (literal)
- Anno
- 1997-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1088/0031-9155/42/1/016 (literal)
- Alternative label
R.Olmi, M.Bini, A.Ignesti, P.Feroldi, L.Spiazzi, G.Bodini (1997)
Hyperaemia evaluation in clinical diathermy by four-electrode impedance measurements
in Physics in medicine and biology (Print)
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- R.Olmi, M.Bini, A.Ignesti, P.Feroldi, L.Spiazzi, G.Bodini (literal)
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- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
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- ISI Web of Science (WOS) (literal)
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- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- IROE-CNR
Fisica Medica Spedali Civili Brescia
Riabilitazione Funzionale Spedali Civili Brescia (literal)
- Titolo
- Hyperaemia evaluation in clinical diathermy by four-electrode impedance measurements (literal)
- Abstract
- The four-electrode electrical impedance measurement technique is proposed for the evaluation of the hyperaemia variation in tissues treated by diathermic therapy. An impedance meter suitable for such measurements is described, and an electrical model of the heated tissues, concerning the impedance variation during diathermy and its relation with hyperaemia, is presented. The occurrence of the substantial contribution of blood to the overall transverse impedance is demonstrated by comparing the experimental results with those arising from a 2D electrical/thermal model of the treated tissues. A two-admittance model is proposed to explain the electrical behaviour of the tissues treated by diathermy. The model allows us to separate the impedance variation due to the temperature dependence of tissue conductivity from that due to the change of tissue blood content. The results of preliminary measurements of tissue impedance on healthy volunteers treated by electromagnetic diathermy are presented and discussed, showing the feasibility of impedance detection of hyperaemia variations inside tissues. (literal)
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