教師資料查詢 | 類別: 期刊論文 | 教師: 黃煌文 Huang-Wen Huang (瀏覽個人網頁)

標題:Computer Simulation of 3-D Temperature and Power Distributions in Tissue with a Countercurrent Blood Vessels Network during Hyperthermia
學年98
學期1
出版(發表)日期2009/10/01
作品名稱Computer Simulation of 3-D Temperature and Power Distributions in Tissue with a Countercurrent Blood Vessels Network during Hyperthermia
作品名稱(其他語言)
著者Huang, Huang-Wen; Shih, Tzu-Ching; Liauh, Chihng-Tsung; Horng, Tzyy-Leng
單位淡江大學資訊創新與科技學系
出版者臺北市中華民國生物醫學工程學會
著錄名稱、卷期、頁數Journal of Medical and Biological Engineering=中華醫學工程學刊 29(5), pp.252-258
摘要A countercurrent blood vessel network (CBVN) model for calculating tissue temperatures has been developed for studying optimized hyperthermia cancer treatment. This type of model represents a more fundamental approach to modeling temperatures in tissue than do the generally used approximate equations such as the Pennes' bio-heat transfer equation (BHTE) or effective thermal conductivity equations. The 3-D temperature distributions are obtained by solving the conduction equation in the tissue and the convective energy equation with specified Nusselt number in the vessels. This study uses an optimization scheme to investigate the impact of thermally significant blood vessels during hyperthermia cancer treatment. The optimization scheme used here is adjusting power based on the local temperature in the treated region in an attempt to reach the ideal therapeutic temperature of 43℃. The scheme can be used (or adapted) in a non-invasive power supply application such as high-intensity focused ultrasound (HIFU). Results show that first, a large amount of thermal absorbed power is focused on the locations near (or in) blood vessels and/or dense vessels in the treated tumor region during hyperthermia treatment as mass flow rates contribute cooling effects from vessels to tissues. Second, veins also play a significant role of affecting temperature distributions in the treated region and need to be taken into consideration.
關鍵字Hyperthermia; High Intensity Focused Ultrasound ; HIFU; Optimization Power ;Thermally Significant Vessels
語言英文
ISSN1609-0985
期刊性質國內
收錄於EI;SCI
產學合作
通訊作者Huang, Huang-Wen
審稿制度
國別中華民國
公開徵稿
出版型式紙本
相關連結
Google+ 推薦功能,讓全世界都能看到您的推薦!