Discontinuous flow centrifugation: One venous catheter line is required. Typically, a 300 ml batch of blood is removed at a time and centrifuged to separate plasma from blood cells.
间歇流动离心：需要一根静脉导管。典型地，一次去除300毫升血液，离心使血浆与血细胞分离开来。
2
Objective: to study a new catheter method to measure blood flow of the pulmonary circuit.
目的：研究一种新的导管法测定肺循环血流量。
3
Compared with a peripheral vessel, a central vein provides more blood flow around the catheter tip, reducing the risk of vein damage.