burr holes of skull 颅骨钻孔术
burr holes irrigation and drainage 钻孔冲洗引流术
burr holes skull 颅骨钻孔术
burr holes of kull 颅骨钻孔术
Objective to evaluate the influence of the number of burr holes on the operative result of chronic subdural hematomas.
目的分析颅骨钻孔数量对治疗慢性硬膜下血肿效果的影响。
All holes, slots, edges and corners should be free of loose burrs and slivers. The allowable height of a burr cannot exceed five percent (5%) of the material thickness.
所有孔，缝，边和角必须没有毛刺和锐边。允许的毛刺的高度不能超过材料厚度的5%。
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