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髋臼前柱骨折治疗的实验研究：微创经皮拉力螺钉导向器的应用

Experimental study on treatment of acetabular anterior column fractures: applyment of a minimally invasive percutaneous lag screw guide apparatus.

作者信息

Zhang Li-hai, Zhang Li-cheng, Si Qing-hua, Gao Yuan, Su Xiu-yun, Zhao Zhe, Tang Pei-fu

机构信息

Department of Orthopedics, Chinese PLA General Hospital, No.28 Fuxing Road, Haidian District, Beijing, 100853, People's Republic of China.

Department of Orthopedics, Affiliated Hospital of the Academy of Military Medical Sciences, No.8 Dongdajie Road, Beijing, 100071, People's Republic of China.

出版信息

BMC Musculoskelet Disord. 2016 Jan 15;17:27. doi: 10.1186/s12891-015-0846-1.

DOI:10.1186/s12891-015-0846-1
PMID:26769591
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC4714437/
Abstract

BACKGROUND

The aim of this study was to design a new minimally invasive percutaneous lag screw guide apparatus and to verify its adjuvant treatment of acetabular anterior column fracture on pelvis specimens.

METHODS

This guide apparatus was self-developed based on the principles of "two points form a line" and "Rectangle". Using C-arm fluoroscopy, this guide apparatus was used to conduct minimally invasive percutaneous lag screw internal fixation of acetabular anterior column fractures. Ten hollow lag screws were placed into 5 pelvis specimens.

RESULT

Result showed no sign of any screws puncturing the cortex or entering into the hip joint on radiological assessment. The cross-section reconstructed vertical distance to the screw, on the cross-section acetabular notch and the cross-section of the screw where the distance of between the screw and the iliopectineal line's arc roof was at its shortest, indicate that at all points (T, R-r) under the line with an inclination of 1 (namely T = R-r) the screw is within the cortex and does not puncture the acetabula anterior column or enter into the hip joint.

CONCLUSIONS

We may conclude that this self-developed guide apparatus solves the screw precision problem during the treatment of acetabular anterior column fractures through a minimally invasive percutaneous lag screw.

摘要

背景

本研究旨在设计一种新型微创经皮拉力螺钉导向装置，并在骨盆标本上验证其对髋臼前柱骨折的辅助治疗效果。

方法

该导向装置基于“两点成一线”和“矩形”原理自行研制。使用C形臂透视，该导向装置用于对髋臼前柱骨折进行微创经皮拉力螺钉内固定。将10枚空心拉力螺钉置入5个骨盆标本中。

结果

影像学评估显示，未发现任何螺钉穿透皮质或进入髋关节的迹象。在髋臼切迹横截面以及螺钉与髂耻线弧顶距离最短处的螺钉横截面上，重建的螺钉垂直距离表明，在倾斜度为1的线（即T = R - r）下方的所有点（T，R - r）处，螺钉均位于皮质内，未穿透髋臼前柱或进入髋关节。

结论

我们可以得出结论，这种自行研制的导向装置通过微创经皮拉力螺钉解决了髋臼前柱骨折治疗过程中的螺钉精度问题。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/654c/4714437/6e3dcb63ecc8/12891_2015_846_Fig7_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/654c/4714437/8b53e9765ab2/12891_2015_846_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/654c/4714437/243a39facd1a/12891_2015_846_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/654c/4714437/3d1430b7e285/12891_2015_846_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/654c/4714437/8020b23c8da0/12891_2015_846_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/654c/4714437/33efbf7ed8cd/12891_2015_846_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/654c/4714437/941c9834911d/12891_2015_846_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/654c/4714437/6e3dcb63ecc8/12891_2015_846_Fig7_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/654c/4714437/8b53e9765ab2/12891_2015_846_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/654c/4714437/243a39facd1a/12891_2015_846_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/654c/4714437/3d1430b7e285/12891_2015_846_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/654c/4714437/8020b23c8da0/12891_2015_846_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/654c/4714437/33efbf7ed8cd/12891_2015_846_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/654c/4714437/941c9834911d/12891_2015_846_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/654c/4714437/6e3dcb63ecc8/12891_2015_846_Fig7_HTML.jpg

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