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体外循环（ＣＰＢ）是将人体静脉血液引至体外运行人工氧合成为动脉血，再依靠血泵将氧合血送入体内，以维持心脏外科手术期间各器官和组织的正常灌注。１９５３年，Ｇｉｂｂｏｎ利用垂屏式氧合器和滚压式血泵进行体外循环，为一例先天性房间隔缺损患者成功地进行了手术修补。?
Extracorporeal circulation (CPB) is the introduction of human venous blood into the external body to perform artificial oxygen synthesis into arterial blood, and then to rely on a blood pump to deliver oxygenated blood into the body to maintain normal perfusion of organs and tissues during cardiac surgery. In 1953, Gibbon performed a cardiopulmonary bypass using a vertical plate oxygenator and a roller-type blood pump, successfully repairing a patient with congenital atrial septal defect. ?