Anatomic measurements of internal fixation-related implantation points of inferior thoracic spinal latero-anterior vertebral screws

doi:10.3969/j.issn.2095-4344.2015.17.011

Abstract

Abstract:

BACKGROUND: There are many reports on the entrance point of adult inferior thoracic spinal latero-anterior screw. Because of the differences in race, districts and the shape of vertebral body are various, and the choice of screw placement position is also varied.

OBJECTIVE: To provide an anatomical reference for the implantation of clinical screws for inferior thoracic spinal latero-anterior fixation with the concave rib set as a reference.

METHODS: Spinal specimens from 20 adult cadavers were observed, and anatomical data were collected from the concave ribs. One vernier caliper was used for the measurements.

RESULTS AND CONCLUSION: The thoracic transverse diameters and the distance between the upper and the inferior edge of the concave rib and upper endplate increased gradually as the vertebral number increased, whereas the distances between the upper and the inferior edge of the concave rib and inferior endplate and between the anterior edge of the concave rib and anterior edge of the vertebral canal decreased gradually. Above findings suggested that the anatomical positions of the inferior thoracic concave ribs followed a set of rules. The concave rib could be used as a simple, constant, and reliable reference point for inferior thoracic spinal latero-anterior fixation screw placement.

中国组织工程研究杂志出版内容重点：人工关节；骨植入物；脊柱；骨折；内固定；数字化骨科；组织工程

全文链接：

Key words: Tissue Engineering, Thoracic Vertebrae, Prostheses and Implants, Anatomy

CLC Number:

R318

Sun Xiang-xin, Wang Zhi-jie. Anatomic measurements of internal fixation-related implantation points of inferior thoracic spinal latero-anterior vertebral screws[J]. Chinese Journal of Tissue Engineering Research, 2015, 19(17): 2683-2687.

Figures/Tables 2

References

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