Three-dimensional finite element analysis of a novel interzygapophyseal fusion device for lower cervical spine

• Autorzy: Wang Qi , Yuan Hong , Guo Mingming , Meng Lingzhi , Long Zuoyao , Long Yu , Yang Huifeng

Identyfikatory

DOI

10.37190/ABB-02067-2022-03

• Języki publikacji: EN

Abstrakty

EN

A three-dimensional finite element model of the lower cervical spine was established to evaluate the biomechanical stability and stress distribution of the new lower cervical interzygapophyseal fusion device (IZFD) developed by ourselves under different construct. The aim of this study was to provide theoretical basis for further clinical application. Methods: A normal fresh cadaveric specimen (male, 35 years old) was used to establish an intact three-dimensional finite element model of C3–C6. On this basis, the comparative finite element models of the lateral mass screw rod (LMSR) system and LMSR+IZFD were established. Only C4–C5 is fixed in the lateral mass. The range of motion (ROM) and stress distribution in the flexion,extension, lateral bending and rotation of the C4–C5 segment under the three constructs were analyzed. Results: The ROM and stress distribution of the three-dimensional finite element model under load construct were within a reasonable range, which proved the validity and reliability of the model. The ROM and stress distribution of C4–C5 segment was significantly decreased in both LMSR and LMSR+IZFD constructs than those in the intact construct. The ROM and stresss distribution were even smaller in LMSR+IZFD construct than in LMSR construct. Conclusions: The IZFD combined with LMSR system can provide satisfactory stability for the lower cervical spine, and the IZFD can further improve the fixation effect of the LMSR system.

Słowa kluczowe

EN

three dimensional finite element analysis; interzygapophyseal fusion device; lower cervical spine; facet joint

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Acta of Bioengineering and Biomechanics
• Rocznik: 2022
• Tom: Vol. 24, no. 2
• Strony: 187--193
• Opis fizyczny: Bibliogr. 20 poz., rys., tab., wykr.

Twórcy

autor

Wang Qi

• Department of Orthopedics, General Hospital of Northern Theater Command, Shenyang, Liaoning Province, China.
• China Medical University, Shenyang, Liaoning Province, China.

autor

Yuan Hong

• Department of Orthopedics, General Hospital of Northern Theater Command, Shenyang, Liaoning Province, China.

autor

Guo Mingming

• Department of Orthopedics, General Hospital of Northern Theater Command, Shenyang, Liaoning Province, China.

autor

Meng Lingzhi

• Department of Orthopedics, General Hospital of Northern Theater Command, Shenyang, Liaoning Province, China.

autor

Long Zuoyao

• Department of Orthopedics, General Hospital of Northern Theater Command, Shenyang, Liaoning Province, China.

autor

Long Yu

• Department of Orthopedics, General Hospital of Northern Theater Command, Shenyang, Liaoning Province, China.

autor

Yang Huifeng

• Department of Orthopedics, General Hospital of Northern Theater Command, Shenyang, Liaoning Province, China.
• China Medical University, Shenyang, Liaoning Province, China.

Bibliografia

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