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指链全部采用不易生锈的金属制成。其链长度为15厘米,一端根据个人小手指的粗细选用一金属环连上作为指环,另一端则根据扩孔钻柄部凹槽的深度和宽,用细不锈钢丝弯制一弹性卡夹连上即成(附图)。用时将指环套在小手指上,用弹性卡夹卡住扩孔钻的凹槽,拇指和食指搓动扩孔钻,轻巧灵活,操作者可以放心大胆地工作,即使万一失手,也可牵动指链从口中拉出,不会造成事故。治疗结束后,可将扩孔钻从卡夹中取出,清洗指链,消毒以备再用。
Finger chain all made of metal is not easy to rust. The chain length of 15 cm, one end of the thickness of the individual finger according to the choice of a metal ring attached to the ring, the other end of the reamer bore according to the depth and width of the groove, with a thin stainless steel wire bending a flexible clip connected Serve (with photos). With the ring when the set on the little finger, with the elastic card stuck reamer groove, thumb and index finger twist reaming drill, lightweight and flexible, the operator can rest assured that bold work, even in case of missed, can also affect the fingers Pull the chain out of the mouth, will not cause an accident. After treatment, the reamer can be removed from the clip, clean the chain, disinfected for future use.