Affiliations: Department of Mechatronics and Precision Engineering, Tohoku University, Sendai City, Japan | The Department of the Second Surgery, School of Medicine, Tohoku University, Seiryo-cho, Sendai City, Japan | School of Science and Engineering, Teikyo University, Utsunomiya City, Japan | Sendai Rail-way Hospital, Itsutsubashi, Sendai City, Japan
Abstract: Previously we proposed Acoustical Imaging and Processing Method to measure the viscoelastic property of the blood vessels of a canine and the related materials using Ultrasonic Doppler Effect Measurement. Furthermore, its theoretical foundation was presented. In this paper, this method is applied to measure the viscoelastic mechanical property, that is, the mechanical degradation of human blood vessels by a percutaneous noninvasive method. Based on these results, we proposed the algorithm of the noninvasive estimation method on the viscoelastic mechanical property of the blood vessel by using Doppler Effect Sensor. This method makes it possible to discriminate the blood vessel with arteriosclerosis from a normal blood vessel. Clinical applications were successfully performed using our developed computer software based on our proposed algorithm.
