Hwang N H, Borik S, Noon G P, Kennedy J H
Trans Am Soc Artif Intern Organs. 1975;21:237-41.
An in vitro investigation of 8 different types of clinical aortic return nozzles was conducted. The importance of cannula geometry, tip location and direction was demonstrated in preventing abnormal flow conditions in the major aortic arch arteries. Alternative methods to correct these abnormalities were studied. This report has presented a preliminary study of the flow conditions produced by aortic cannulae during cardiopulmonary bypass. More detailed analysis of the pressure field as well as in vivo studies of the effects of a non-rigid geometry of the flow behavior are needed to confirm the findings of this investigation.
对8种不同类型的临床主动脉回流喷嘴进行了体外研究。证实了插管几何形状、尖端位置和方向在预防主动脉弓主要动脉异常血流状况方面的重要性。研究了纠正这些异常的替代方法。本报告介绍了体外循环期间主动脉插管产生的血流状况的初步研究。需要对压力场进行更详细的分析以及对非刚性几何形状对血流行为影响的体内研究，以证实本研究的结果。
