1997年我们研制出颈前路手术可调式矩形取骨刀 ,并应用于临床 ,取得满意的效果。1　结构　　　颈前路手术可调式矩形取骨刀是采用刀把 (图 1—① )端具有活动接头② ,在活动接头②上连接两个活动连杆③ ,在活动连杆③端连接两刀体④、⑤ ,在刀体④端固定刻度尺⑥的一端 ,刻度尺 In 1997, we developed an anterior cervical surgically adjustable rectangular bone cutting knife that was used in clinical practice and achieved satisfactory results. 1 The structure of anterior cervical canal adjustment is to use a movable joint 2 at the end of the knife (Fig. 1-1), two movable links 3 at the movable joint 2, and two blades at the end of the movable link. 4, 5, one end of scale 6 fixed at the end of the body 4, scale