The experiment was divided into two groups. Infusion solutions was BSS in the control group and BSS plus PGMS in the drug group with three different concentration (0.2mg/ml, 0.4 mg/ml, 0.8 mg/ml).

• 对照组以平衡盐液(BSS)作灌注液，用药组在BSS中分别含有0.；2mg/ml，0