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pro vyhledávání: '"J. Z. Tsai"'
Akademický článek
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Autor:
Dieter Haemmerich, David M. Mahvi, Supan Tungjitkusolmun, J. Z. Tsai, John G. Webster, Stephen T. Staelin
Publikováno v:
Physiological Measurement. 24:251-260
Knowledge of electrical tissue conductivity is necessary to determine deposition of electromagnetic energy and can further be used to diagnostically differentiate between normal and neoplastic tissue. We measured 17 rats with a total of 24 tumours of
Autor:
V.R. Vorperian, Hong Cao, J.A. Will, J. Z. Tsai, Supan Tungjitkusolmun, Eung Je Woo, J.G. Webster
Publikováno v:
IEEE Transactions on Biomedical Engineering. 47:23-31
Radio-frequency (RF) cardiac ablation has been very successful for treating arrhythmias related with atrioventricular junction and accessory pathways with successful cure rates of more than 90%. Even though ventricular tachycardia (VT) is a more seri
Publikováno v:
IEEE Transactions on Biomedical Engineering. 47:1518-1524
While most commercial ablation units and research systems can provide catheter tip temperature during ablation, they do not provide information about the temperature change inside the myocardium, which determines the lesion size. The authors present
Autor:
Williams, Keith1 (AUTHOR) abedard3@learn.athabascau.ca, Bédard, Andrée-Anne1 (AUTHOR)
Publikováno v:
Philosophies. Jun2024, Vol. 9 Issue 3, p83. 14p.
Publikováno v:
Extended Abstracts of the 2007 International Conference on Solid State Devices and Materials.
Akademický článek
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Publikováno v:
Twentieth Annual IEEE Applied Power Electronics Conference and Exposition, 2005. APEC 2005..
This paper presents an active-clamp push-pull converter for battery sourcing applications. A pair of auxiliary switches, resonant inductors and clamping capacitors are added to the primary-side of the transformer to clamp voltage spike and recycle th
Autor:
Dieter Haemmerich, Supan Tungjitkusolmun, O. R. Ozkan, Stephen T. Staelin, J. Z. Tsai, David M. Mahvi, John G. Webster
Publikováno v:
Medicalbiological engineeringcomputing. 40(1)
The resistivity of swine liver tissue was measured in vivo, during induced ischaemia and post-mortem, so that associated changes in resistivity could be quantified. Plunge electrodes, the four-terminal method and a computer-automated measurement syst
Publikováno v:
IEEE transactions on bio-medical engineering. 48(2)
The authors used the finite element method to study the effect of radio-frequency (RF) catheter ablation on tissue heating and lesion formation at different intracardiac sites exposed to different regional blood velocities. They examined the effect o