PROBLEM TO BE SOLVED: To provide a blood dynamic characteristic measuring apparatus for measuring viscosity coefficient distribution and shearing stress distribution.SOLUTION: This blood dynamic characteristic measuring apparatus includes: a means 4 for percutaneously entering wave motion such as an ultrasonic wave toward a blood flow in a blood vessel, receiving a scattered echo from blood cell components contained in blood in the blood vessel and thereafter measuring a blood flow velocity distribution by ultrasonic Doppler measurement and a viscosity coefficient distribution calculation means 5 and a viscosity coefficient distribution average value calculation means 6 for finding the viscosity coefficient distribution of the blood and/or a viscosity coefficient distribution average value of the blood by a two-dimensional or three-dimensional Navier-Stokes equations on the basis of the blood flow velocity distribution.COPYRIGHT: (C)2010,JPO&INPIT【課題】粘性率分布およびずり応力分布を測定する血液力学特性測定装置を提供すること。【解決手段】経皮的に血管内の血流に向けて超音波等の波動を入射させ、その血管内の血液中に含まれる血球成分からの散乱エコーを受信した後、超音波ドプラ計測によって血流速度分布を計測する手段4と、血流速度分布に基づいて、2次元または3次元のナビエ-ストークス方程式より、血液の粘性率分布及び/または血液の粘性率分布平均値を求める粘性率分布算出手段5および粘性率分布平均値算出手段6ととからなることを特徴とする血液力学特性測定装置である。【選択図】図1
