Objective To investigate the basic mechanism of venous flow in reverse-flow island flap.
目的介绍逆行血供皮瓣静脉逆流机制的研究与进展。
Pulsed Deppler echocardiography was used to detect the pulmonary venous flow pattern (PVFP) in 40normal children.
应用脉冲式多普勒超声心动图检测40例正常儿童肺静脉血流频谱。
This progressive decompression design conforms to the venous flow principle, is conducive to the smooth flow of venous blood.
这种循序减压设计符合人体静脉流动原理，有利于静脉血液的顺畅回流。
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