The utility model belongs to a medical bone wall reamer which is suitable for reaming a bone wall before extracting a leftscrew after the healing of all kinds of fracture damage.
本实用新型属于医用骨壁扩孔器，适合于各类骨折损伤愈合后需取出残留螺钉前作骨壁扩孔用。
2
The rest of each screw was left untreated.
其余的每一个螺丝就离开未处理。
3
The screw is of modular design and its active part consists of two identical screws that are common screw element and left-handed screw element with shallow grooves.