Experimental Study On The Dynamic Properties Of The Arterial Wall

In this paper, we reviewed the history of the studies about the mechanical properties on arterial walls, and introduced the experimental studies about the arterial walls, which included the structure of the arterial wall, experimental model, theoretical models of thin and thick wall cylinders, method of stress and strain analysis and the difference between dynamic and static experiments, and discussed the fields of tissue engineering, remodeling of the artery and the relation between stress and growth.In the second experiment, we proposed a method of dynamic mechanical experiment on the arterial wall with blood circulation simulation system and non- contiguous radius measurement system. We analysed the data by the software developed by ourself and obtained accurate results. We didn't find that there was significant difference between the dynamic and the static curves in radius in the same pressure.The statistics on the slope coefficients of the dynamic and the static curves in the pressure of 80-120mmHg showed that there was significant difference between the means of slope coefficients of the dynamic and the static curves. From the statistics on the slope coefficients of the dynamic curves with the elongation ratio of 1.4 in the pressure of 60-100mmHg, 80-120mmHg, 100-140mmHg, we can conclude that there is no significant difference between the slope coefficients of the dynamic curves in different pressure. When putting the static curve with the elongation of 1.4 and the dynamic curves in different pressure together, we can find that the slope coefficients of the static curve increase with the growth of radius. But there is no significant difference between the range of radius of the dynamic and the static curves.