ANALISIS DISTRIBUSI TEGANGAN, REGANGAN, DAN PERPINDAHAN PROSTESIS DISKUS INTERVERTEBRALIS PADA POSISI FLEKSI

RAMADHAN, MUHAMMAD FADLY and Abidin, Zainal (2022) ANALISIS DISTRIBUSI TEGANGAN, REGANGAN, DAN PERPINDAHAN PROSTESIS DISKUS INTERVERTEBRALIS PADA POSISI FLEKSI. Undergraduate thesis, Sriwijaya University.

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Abstract

Total intervertebral disc replacement using prosthesis is one of treatments for degenerative intervertebral disc. This prosthesis must accommodate loads from the lumbar spine. This research performed an analysis of stress, strain, and displacement distribution of a ProDisc-L® prosthesis developed by Centinel Spine® installed on an L4-L5 segment of lumbar spine model of a 21 years old man. The simulation performed with two positions; standing upright and flexion, with loads applied are 750 N and 7,5 Nm respectively. Maximum Von Mises stress resulted from the standing upright and flexion simulations are 187,971 MPa and 555,113 MPa respectively. The stress on standing upright position can be considered safe as it is still below the yield stress of the endplate material (σy = 527 MPa), meanwhile the stress on flexion position can be considered unsafe as it is over the yield stress of the endplate material (σy = 527 MPa). Maximum strain resulted from the standing upright and flexion simulations are 3,9% and 1,7% respectively. Maximum displacement resulted from the standing upright and flexion simulations are 0,30 mm and 0,36 mm respectively, which can be concluded that the displacement was still under the maximum displacement allowed (1 mm).

Item Type:	Thesis (Undergraduate)
Uncontrolled Keywords:	intervertebral disc, intervertebral disc prosthesis, stress, strain, displacement
Subjects:	T Technology > TJ Mechanical engineering and machinery > TJ1-1570 Mechanical engineering and machinery
Divisions:	03-Faculty of Engineering > 21201-Mechanical Engineering (S1)
Depositing User:	Muhammad Fadly Ramadhan
Date Deposited:	13 Apr 2022 02:59
Last Modified:	13 Apr 2022 02:59
URI:	http://repository.unsri.ac.id/id/eprint/68849

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