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DUAL BODY PLETHYSMOGRAPHY APPARATUS AND PROCESS FOR MEASURING BLOOD FLOW BETWEEN THE THORAX AND ABDOMEN (THE TRUNK) AND THE BODY PERIPHERY
DUAL BODY PLETHYSMOGRAPHY APPARATUS AND PROCESS FOR MEASURING BLOOD FLOW BETWEEN THE THORAX AND ABDOMEN (THE TRUNK) AND THE BODY PERIPHERY
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机译:人体和腹部周围的血液流动的双体人体描记术装置和过程
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摘要
An apparatus is described (1) for measuring the blood flow (Vb) between the trunk and the extremities. Such an apparatus (1) comprises a whole body plethysmograph (102; 4, 12, 15, 40) for measuring the variations of gas volume in the lungs (ΔVL), a thoraco-abdominal plethysmograph (101, 2, 3) for measuring the volume variations of the trunk (ΔVCW) and a system for processing (20) allowing measurement of the said variations of gas volume of the lungs (ΔVL) and the volume variations of the trunk (ΔVCW) so as to compute the volume of blood shifted between the trunk and the extremities (Vb). Further a process is described for measuring the volume of blood shifted between the trunk and the extremities (Vb). Such a process comprises: a measurement (121) of the volume variations of the trunk (ΔVCW) by means of thoraco-abdominal plethysmography, a measurement (104) (performed at the same time as the previous measurement) of the variations of gas volume of the lungs (ΔVL) by means of whole body plethysmography; a processing (120) of said volume variations of the trunk (ΔVCW) and of said volume variations of the lungs in order to measure the volume of blood shifted between the trunk and the extremities (Vb).
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