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目的 :对国人枢椎侧弓进行应用解剖学测量 ,为临床行侧弓螺钉植入提供依据 .方法 :用游标卡尺和量角器测量 5 7例干燥枢椎 .结果 :左 /右侧弓前部 (前弓 )内倾角 (上面观 )αs=(38± 8)°/ (4 0± 8)° ,上倾角γ =(6 3± 9)°/ (6 2± 8)°,上宽bs=(7.4± 1.7)mm/ (6 .9± 1.7)mm ,中宽bm=(5 .2± 1.5 )mm/ (5 .2± 1.4 )mm ,下宽bi=(4 .2± 1.1)mm/ (4 .2± 1.0 )mm ,上关节突厚度dsa=(2 .1± 0 .9)mm/ (2 .0± 0 .9)mm ,前弓上高hup=(5 .1± 1.4 )mm/ (5 .0± 1.4 )mm ,下高hip=(6 .1± 1.5 )mm/ (5 .8± 1.2 )mm ,进针点距下关节突外缘lla=(4 .2± 1.2 )mm/ (3.9± 1.1)mm ,距下关节突下缘hia=(9.4± 1.6 )mm/ (9.4± 1.8)mm ,距上关节突后缘los=(6 .4± 1.5 )mm/(5 .0± 1.5 )mm ,距椎弓峡部loi=(4 .4± 1.3)mm / (2 .6± 1.3)mm .2 6 (4 6 % )例左侧及 2 7(4 7% )例右侧bm<5 .0mm .结论 :国人枢椎前弓bm 比欧美人小 ,3.5mm螺钉进钉风险大 .标准进针点偏前、内、上 ,进针方向内倾角偏大、上倾角偏小 .
Objective: To anatomically measure the lateral arch of the lateral axis of the Chinese people and provide the basis for the clinical implantation of the lateral arch screw.Methods: Fifty-seven patients with dry axial were measured with a vernier caliper and a protractor.Results: (Upper view) αs = (38 ± 8) ° / (4 0 ± 8) °, upper inclination γ = (6 3 ± 9) ° / (6 2 ± 8) °, upper width bs = ( 7.4 ± 1.7 mm / (6.9 ± 1.7) mm, bm = 1.52 ± 1.5 mm / (5.2 ± 1.4) mm and lower width = (4.2 ± 1.1) mm / (4 .2 ± 1.0) mm, thickness of the superior facet joint dsa = (2.1 ± 0.9) mm / (2.0 ± 0.9) mm, (6.1 ± 1.5) mm / (5.1.8 ± 1.2) mm, the distance between the needle point and the inferior facet joint lla = (4.2 ± 1.2) mm, ) mm / (3.9 ± 1.1) mm, and the distance from the inferior edge of the inferior facet joint hia = 9.4 ± 1.6 mm / 9.4 ± 1.8 mm, 5 ± 1.5) mm, and left lobe and 27 (47%) from the vertebral isthmus loi = (4 .4 ± 1.3) mm / (2.6 ± 1.3) Bm <5 .0mm on the right side of the case.Conclusion: The bm of the anterior axis of the human body is smaller than that of the Occident and the United States, and the 3.5mm screw has a higher risk of entry into the nail. pour Too small.