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원뿔형 회전체를 이용한 혈액 산화기의 원뿔형 회전체의 회전수와 혈액의 가스교환과의 관계 분석
김영일(Y.I. Kim),박성민(S.M. Park),유원상(O.S. U),이도연(D.Y. Lee),최성욱(S.W. Choi) 대한기계학회 2016 대한기계학회 춘추학술대회 Vol.2016 No.12
In spite of the most optimized design, a conventional oxygenator has severe flow resistance for its long and narrow hollow fibers and the blood volume in the oxygenator is too large to apply it to infants or little children, because Its gas exchanging rate depends on the blood contacting area of hallow fiber Moreover, the complicating structure of an oxygenator induces the blood cell damages and thrombosis that can cause severe anemia and embolism. In this study, a new oxygenation method was suggested to supply enough oxygen for a small animal such as a rat or a rabbit by utilizing a con shape actuator and a small reservoir. The oxygen was delivered through the rotating surface of blood in the reservoir and the rotating speed of the conical shape actuator contributed to the oxygen-blood contracting speed. In a set of In-vitro experiments with the porcine blood, the new oxygenator can deliver enough amount of oxygen to blood by adjusting the rotation speed of the actuator.