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[目的]介绍弧形套针的旋转分段注射的办法 ,解决药物分布模合肿瘤靶区的问题。[方法]由直行针和弧形针组成的套针 ,对肿瘤靶区进行局部旋转分段退行性注射碘化油。普通直针线状退行注药作为对照。[结果]旋转分段注射可以满足设定的三维空间药物分布 ,药物均匀度较好。[结论]弧形针旋转分段注射是可行的。
[Objective] To introduce the rotary trocar injection arc trocar approach to solve the problem of drug distribution model of tumor target area. [Method] A trocar consisting of straight needle and curved needle was used to locally degrade the target area of the tumor with iodized oil. Ordinary straight needle linear injection as a control. [Result] Rotary injection could meet the three-dimensional drug distribution and the medicine uniformity was good. [Conclusion] Segmental injection with curved needle rotation is feasible.