Design of locking compression plate through transoral approach

doi:10.3969/j.issn.2095-4344.1103

Abstract

Abstract:

BACKGROUND: There is a lack of plate for single-segment fixation through transoral approach to treat atlas fracture.

OBJECTIVE: To develop a locking compression plate through transoral approach based on the clinical practice and anatomical data of atlas.

METHODS: The anatomic parameters of atlas from 96 normal adults were measured with PACS system and CT image system, including width of anterior arch of atlas, height of anterior tubercle of atlas, length of the lateral mass, length of the atlas, middle height of the lateral mass, the extraversion angle of lateral mass of atlas (α), the radian (θ) of anterior arch of atlas, and inter membrane space. The data were statistically analyzed by SPSS 18.0 software in order to design the locking compression plate through transoral approach.

RESULTS AND CONCLUSION: (1) The width of anterior arch of atlas was (8.85±1.47) mm, height of anterior tubercle of atlas was (12.49±2.28) mm, length of the lateral mass was (20.14±1.54) mm, length of the atlas was (39.68±2.29) mm, middle height of the lateral mass was (9.98±1.48) mm, the extraversion angle of lateral mass of atlas (α) was (13.92±1.90)°, the radian (θ) of anterior arch of atlas was (147.32±4.53)° and inter membrane space was (3.12±0.49) mm. (2) The locking compression plate through transoral approach was successfully designed, and obtained national patent. (3) To conclude, the locking compression plate through transoral approach meets the requirement of atlas morphology, not only rebuilds the stability of anterior arch of the atlas, but also restores the height of the atlas complex, and preserves the structure function of the upper atlas effectively.

Key words: Spinal Fractures, Internal Fixators, Tissue Engineering

CLC Number:

R445

Li Xiaofeng, Xie Furong, Zhan Long, Yang Yuan. Design of locking compression plate through transoral approach[J]. Chinese Journal of Tissue Engineering Research, 2019, 23(12): 1824-1828.

Figures/Tables 4

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