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METHOD FOR EVALUATING BLUSH IN MYOCARDIAL TISSUE
专利权人:
发明人:
Peter DVORSKY,David Mark Henri GOYETTE,T. Bruce FERGUSON, JR.,Cheng CHEN
申请号:
US14598832
公开号:
US20150196208A1
申请日:
2015.01.16
申请国别(地区):
US
年份:
2015
代理人:
摘要:
Vessel perfusion and myocardial blush are determined by analyzing fluorescence signals obtained in a static region-of-interest (ROI) in a collection of fluorescence images of myocardial tissue. The blush value is determined from the total intensity of the intensity values of image elements located within the smallest contiguous range of image intensity values containing a predefined fraction of a total measured image intensity of all image elements within the ROI. Vessel (arterial) peak intensity is determined from image elements located within the ROI that have the smallest contiguous range of highest measured image intensity values and contain a predefined fraction of a total measured image intensity of all image elements within the ROI. Cardiac function can be established by comparing the time differential between the time of peak intensity in a blood vessel and that in a region of neighboring myocardial tissue both pre and post procedure.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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