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试建立直视下研究心脏传导系统电生理特征的实验模型。采用杂种犬２６条，静脉麻醉后进行人工呼吸。开胸后分别作上、下腔静脉或颈静脉、股静脉插管引流至受血器；肺动脉插管，经滚压泵将血泵入肺动脉，建立右心体外转流模型。２２条犬（８４．６％）转流成功、４条失败。在转流的不同阶段平均动脉压各不相同。其中转流前、后平均动脉压分别为１１．９６±１．８７和８．６９±０．８８ｋＰａ（８９．７±１４．０和６５．２±６．６ｍｍＨｇ）。除１条犬转流后体温升高１°Ｃ外，其余平均下降３．７５±１．３°Ｃ。转流成功的关键是转流平衡、体温适当（３３．０～３５．５°Ｃ）等。
To establish an experimental model of electrophysiological study of cardiac conduction system under direct vision. Using hybrid dogs 26, artificial respiration after intravenous anesthesia. After thoracotomy, respectively, on the inferior vena cava or jugular vein, femoral vein catheter drainage by the recipient; pulmonary artery catheterization, the pump will pump blood into the pulmonary artery, the establishment of right heart bypass model. 22 dogs (84.6%) were successfully transferred and 4 failed. In different stages of the transfer of mean arterial pressure varies. The average arterial pressure before and after the transfer was 11.96 ± 1.87 and 8.69 ± 0.88kPa (89.7 ± 14.0 and 65.2 ± 6.6mmHg), respectively. Except for 1 dog, the body temperature increased by 1 ° C, the average decrease of 3.75 ± 1.3 ° C. The key to successful diversion is to balance the flow, proper body temperature (33.0 ~ 35.5 ° C) and so on.