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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
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Radiofrequency catheter ablation is the interventional therapy that be employed to eliminate cardiac tissue caused by arrhythmias. During radiofrequency catheter ablation, The thrombus can occur at electrode tip if the temperature of tissue and electrode is excess 100oC. To prevent this phenomenon, we investigated numerical model of electrode for radiofrequency catheter ablation considering saline irrigation and temperature-controlled radiofrequency system. The numerical model is based on coupled electric-thermal-flow problem and solved by COMSOL Multiphysics software. The results of the models show that the dimensions of the thermal lesion are increased if the flow rate of the saline irrigation and the set temperature are increased. The surface width characterized to determine the thermal lesion isn’t need to measure in temperature-controlled radiofrequency system due to convective heat transfer by saline irrigation at tissue-electrode interface.
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참고문헌 (19)
참고문헌 신청
Demazumder, D / 2001 / Biophysics of radiofrequency ablation using an irrigated electrode / Journal of interventional cardiac electrophysiology 5 (4) : 377 ~ 389
EVERETT IV, T. H / 2009 / Safety profiles and lesion size of different radiofrequency ablation technologies : a comparison of large tip, open and closed irrigation catheters
GUERRA, J. M / 2004 / Effects of Open-Irrigated Radiofrequency Ablation Catheter Design on Lesion Formation and Complications : In Vitro Comparison of 6 Different Devices / J
Gallagher, N / 2013 / Contact geometry affects lesion formation in radio-frequency cardiac catheter ablation / PloS one 8 (9) : e73242 ~
Gonzalez-Suarez, A / 2016 / Comparative analysis of different methods of modeling the thermal effect of circulating blood flow during RF cardiac ablation / IEEE Transactions
EVERETT IV, T. H / 2009 / Safety profiles and lesion size of different radiofrequency ablation technologies : a comparison of large tip, open and closed irrigation catheters
GUERRA, J. M / 2004 / Effects of Open-Irrigated Radiofrequency Ablation Catheter Design on Lesion Formation and Complications : In Vitro Comparison of 6 Different Devices / J
Gallagher, N / 2013 / Contact geometry affects lesion formation in radio-frequency cardiac catheter ablation / PloS one 8 (9) : e73242 ~
Gonzalez-Suarez, A / 2016 / Comparative analysis of different methods of modeling the thermal effect of circulating blood flow during RF cardiac ablation / IEEE Transactions
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