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制作方法:仿照旧式上颌窦穿刺针的形状,采用不锈钢管和钢棍,做成外径为6毫米粗的多棱而锐利的上颌窦穿刺锥。套管外面最好加上一个限制螺丝(见图1)。
Production methods: modeled on the shape of the old maxillary sinus puncture needle, the use of stainless steel tubes and steel rods, made of 6 mm diameter coarse and polygonal sharp sharp maxillary sinus puncture cone. It is best to add a limit screw outside the casing (see Figure 1).