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TRANSMIT TIME THERMODILUTION GUIDEWIRE SYSTEM FOR MEASURING CORONARY BLOOD FLOW VELOCITY BACKGROUND OF THE INVENTION
TRANSMIT TIME THERMODILUTION GUIDEWIRE SYSTEM FOR MEASURING CORONARY BLOOD FLOW VELOCITY BACKGROUND OF THE INVENTION
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机译:用于测量冠状动脉血流速度的发送时间热调节导引系统背景技术
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摘要
Method and device for measuring coronary blood flow velocity by thermodilution, the device comprising a guidewire with several equally spaced thermal sensors. Infusion media such as saline is administered at room temperature and the phase shift of the blood temperature is monitored giving a value of the transit time in between the sensors, a value that is inversely proportional to the average peak flow velocity during a single cardiac cycle.
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