Conclusion Venotomy casing used instead of the silicon tube insertion needle can play simplify operations,reducing the time and illness complications,and so on,that deserves clinical use.

• 结论 在静脉切开术中使用套管针穿刺代替常规的硅胶管置入法可起到简化操作、缩短时间、减少并发症等作用，值得在临床上推广使用。