Computer simulation of temperature distributions for several configurations of electrodes in radiofrequency ablation of liver tumors

• Autorzy: Noshiro M. , Konoura C. , Nebuya S.
• Języki publikacji: EN

Abstrakty

EN

The conductivity of the liver tissue in pigs measured at 25 degrees Celsius was 3.27š 0.27 mS/cm. The temperature distributions obtained using the finite element method from the measured conductivity showed that two pairs of four hook-like electrodes produced the largest volume of ablation.

Słowa kluczowe

EN

radiofrequency ablation; liver tumors; conductivity; monopolar electrodes; bipolar electrodes; finite element method

PL

nowotwór; wątroba; elektroda jednobiegunowa; elektroda dwubiegunowa; konduktywność; metoda elementów skończonych

• Wydawca: Nałęcz Institute of Biocybernetics and Biomedical Engineering of the Polish Academy of Sciences ; Elsevier
• Czasopismo: Biocybernetics and Biomedical Engineering
• Rocznik: 2007
• Tom: Vol. 27, no. 1-2
• Strony: 271--274
• Opis fizyczny: Bibliogr. 3 poz., rys., wykr.

Twórcy

autor

Noshiro M.

autor

Konoura C.

autor

Nebuya S.

• Departament of Clinical Engineering, School of Allied Health Sciences, Kitasato University, 1-15-1 Kitasato, Sagamihara, Kanagawa, 228-8555, Japan,

Bibliografia

• 1. Jossinet J., Trillaud C., Chesnais S.: Impedance changes in liver tissue exposed to high-energy ultrasound, Proc. Int. Conf. Elrec. Bioimp. Elec. Imp. Tom., 2004, 2, 83-86.
• 2. Haemmerich D, Ozkan O.K., Tsai J.Z., Staelin S.T.: Change in electrical resistivity of swine liver after occlusion and postmortem, Med. & Biol. Eng. &Comput., 2002, 40, 29-33.
• 3. Haemmerich D, Staelin S.T., Tsai J.Z., Tungjikusolmun S., Mahvi D.M., Webster J.G.: In vivo electrical conductivity of hepatic tumours, Physiol. Meas., 2003, 24, 251-260.