摘要
目的观察弯角骨水泥注射套管(镍钛合金材质)在椎体成形体外实验中的效果。方法从6例骨质疏松中老年女性尸体标本中选取24个胸腰段椎体的骨质疏松单椎体模型随机分为3组,分别行一侧(A组)、两侧(B组)、弯角(C组)椎体强化。A、B组使用直行穿刺套管注射骨水泥,C组使用弯角套管注射。整个强化过程在X线间断透视引导下进行,监测骨水泥有无渗漏,每组8个标本。比较各组水泥用量并观察分布情况。结果骨水泥用量:A组(3.12±0.18)ml,B组(5.82±0.20)ml,C组(6.16±0.24)ml。B、C两组与A组差异有统计学意义(P<0.05)。3组间骨水泥分布越过椎体矢状中线的椎体数差异无统计学意义(P>0.05),均无骨水泥渗漏事件发生。结论弯角输送装置可通过一次椎弓根穿刺完成双侧椎体水泥强化。
Objective To observe the effect of a curved convey device applied in vertebroplasty of osteoporosis in vitro.Methods Twentyfour osteoporotic vertebral bodies（T10-L2） selected from 6 aged female cadavers were experimentally crunched as models and randomly divided into three groups.Group A and group B were injected with bone cement by straight puncture cannula,while the injection of group C was conveyed by curved device.Under the supervision of X-ray machine,each group separately underwent the surgery of vertebroplasty by strengthening through unilateral arch or bilateral arch with the help of self-made convey device.The amount of bone cement was recorded in each group,and whether bone cement stepped over vertebral sagittal midline or not was observed.Results There was significant difference in the volume of bone cement between group A and group B,C [（3.12±0.18） ml vs（5.82±0.20） ml,（6.16±0.24） ml,P〈0.05].While,there was no significant difference in the number of vertebral bodies of bone cement stepping over the vertebral sagittal midline between group A,B,C（Fisher＇s test,P 0.05）.No cement leakage was found in three groups.Conclusion Curved convey device can create a crossing vertebral bony sagittal midline channel by puncturing through single-side pedicle,and guide bone cement transfer to the opposite side,which helps strengthen the whole vertebral through unilateral pedicle.
出处
《解放军医学院学报》
CAS
2016年第7期769-772,778,共5页
Academic Journal of Chinese PLA Medical School
基金
国家自然科学基金项目(51372276)~~
作者简介
熊森，男，在读硕士，医师。研究方向：脊柱外科和生物力学。Email：xiongsenxiongsen@qq．com
通信作者：毛克亚，男，博士，主任医师，硕士生导师。Email：nlsokeya@sina．com
