1 材料及结构材料为直径5mm不锈钢管,截成10cm、15cm两种,一端加工成环形刀刃,另一端套有带交叉纹线的橡胶作为刀把(见下图)。椎间盘环形切刀外形2 使用方法常规椎间盘手术直切口,半椎板切除,显露硬膜囊及神经根后,显示突出之椎间盘,持此环形刀于间盘纤维环上,顺时针(或逆时针)旋转,同时稍用力向下压,使纤维环开一 1 Materials and structural materials are stainless steel tubes of 5mm in diameter, cut into 10cm and 15cm, one end is machined into an annular blade, and the other end is covered with a rubber with crossed lines as a knife (see the figure below). Intervertebral Disc Ring Cutter Profile 2 Directions of Use Conventional discectomy, half-laminectomy, exposure of the dural sac and nerve roots, display of a prominent intervertebral disc, holding the circular knife on the annulus fibrosus, clockwise (or anticlockwise ) Rotate while pressing down slightly to open the fiber loop