术后胆瘘、结石残余率两组差异无统计学意义（P＞0.05）。

There was no significant difference of the rates of bile leakage and residual stone between the two groups(P>0.05).

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结果表明：随着保温时间的适当延长，能有效地降低复合材料的残余气孔率；

The results show that lengthening holding time leads to the decrease of ultimate residual porosity.

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结论多路微创技术治疗肝内胆管结石具有手术创伤小，取石率高，残余结石率低的优点，值得推广。

Conclusions The treating of calculus of intrahepatic duct with multiple access minimal invasive technique is worth to spread because of lower trauma and remnant stones.

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