Either of two large veins that drain blood from the upper body and from the lower body and empty into the right atrium o腔静脉把血从身体的上部和下部抽光然后流入心脏的右心房的两支大静脉之一
Methods The left pump delivered blood from left atrium to aorta and the right pump from right atrium to pulmonary main 方法应用叶轮血泵行双心室辅助，左泵从左心房输送血液至主动脉，右泵从右心房输送血液至肺动脉。