Design of a Transforaminal Lumbar Interbody Fusion (TLIF) Spine Cage

Faadhila, Afrah; Rahman, Siti Fauziyah; Whulanza, Yudan; Supriadi, Sugeng; Tampubolon, Joshua Yoshihiko; Wicaksana, Septian Indra; Rahyussalim, Ahmad Jabir; Kurniawati, Tri; Abdullah, Abdul Halim

doi:10.14716/ijtech.v13i8.6152

Cited by 4 publications

(3 citation statements)

References 16 publications

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“…Computational analysis is the fundamental approach to predicting a 'product's strength, material selection, and optimized design, which is widely used in medical science and engineering design (Hamza et al, 2023;Faadhila et al, 2022;Ahmad et al, 2020, Nor-Izmin et al, 2020Abdullah et al, 2012). A static finite element analysis was performed to predict the 'product's performance before proceeding to 3D printing fabrication.…”

Section: Finite Element Analysismentioning

confidence: 99%

Development of Patient-Specific Adaptive Assistive Devices for Brachial Plexus Injury

Rashid,

Haremy,

Othman

et al. 2024

IJTech

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Injury to the brachial plexus prevents the arm, wrist, and hand from communicating with the spinal cord in whole or in part. The 'patient's upper arm limb appears to be completely incapable of performing any type of independent movement. The aim of this project is to design and develop a customized adaptive assistive device for patients with brachial plexus injury and to fabricate the prototype using 3D printing technology. The development of the device involved adapting the mechanical engineering design process, including conceptual design and finite element analysis, to predict the performance of the design and to select the best printing materials. The patient's left arm was 3D scanned to create a customized part that perfectly fit the patient. The 3D model of the prototype was developed using Autodesk Fusion 360 and Autodesk TinkerCAD. Two different materials, namely Polylactic Acid (PLA) and Acrylonitrile Butadiene Styrene (ABS), were considered in the computational analysis. Results show that the maximum von Misses stress of PLA is observed at 2.464 MPa, slightly higher than the ABS material (2.451 MPa), indicating a greater stress tolerance imposed on the material's strength. However, PLA has a smaller maximum displacement than ABS, at 0.019 mm and 0.030 mm, respectively. The PLA material was chosen for 3D printing based on several considerations, including mechanical qualities, cost, printing time, durability, and data evaluation. The adaptive device for brachial plexus injury was successfully delivered to the patient and demonstrated the capability to assist in arm movement.

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Section: Finite Element Analysismentioning

confidence: 99%

Development of Patient-Specific Adaptive Assistive Devices for Brachial Plexus Injury

Rashid,

Haremy,

Othman

et al. 2024

IJTech

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“…Polyether-ether-ketone (PEEK) is a leading polymeric biomaterial used in orthopedics and bone tissue fields. Specifically, PEEK has been performing well in implant applications, such as spinal fusion, neurosurgical, dental, and cranio-maxillofacial replacements (Faadhila et al, 2022;Dondani et al, 2023;Jia et al, 2023). This performance is due to its mechanical properties, biological stability, radiolucency, and ability to biomechanically mimic a bone (Gu et al, 2021;Dondani et al, 2023).…”

Section: Introductionmentioning

confidence: 99%

Optimizing PEEK implant surfaces for improved stability and biocompatibility through sandblasting and the platinum coating approach

Faadhila,

Taufiqurrakhman,

Katili

et al. 2024

Front. Mech. Eng.

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Polyether–ether–ketone (PEEK) is a commonly employed biomaterial for spinal, cranial, and dental implant applications due to its mechanical properties, bio-stability, and radiolucency, especially when compared to metal alloys. However, its biologically inert behavior poses a substantial challenge in osseointegration between host bone and PEEK implants, resulting in implant loosening. Previous studies identified PEEK surface modification methods that prove beneficial in enhancing implant stability and supporting cell growth, but simultaneously, those modifications have the potential to promote bacterial attachment. In this study, sandblasting and sputter coating are performed to address the aforementioned issues as preclinical work. The aim is to investigate the effects of surface roughness through alumina sandblasting and a platinum (Pt) sputtered coating on the surface friction, cell viability, and bacterial adhesion rates of PEEK material. This study reveals that a higher average surface roughness of the PEEK sample (the highest was 1.2 μm obtained after sandblasting) increases the coefficient of friction, which was 0.25 compared to the untreated PEEK of 0.14, indicating better stability performance but also increased bacterial adhesion. A novelty of this study is that the method of Pt coating after alumina sandblasting is seen to significantly reduce the bacterial adhesion by 67% when compared to the sandblasted PEEK sample after 24 h immersion, implying better biocompatibility without changing the cell viability performance.

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“…One of the most frequent injuries is the loss or reduced function of the spinal disc, which supports the spine and maintains foraminal height. The patient's mobility may be hampered by degenerative lumbar spinal stenosis, which is caused by this damage and narrowing of the spinal canal [1]. The first line of treatment is conservative; however, when conservative care fails to relieve a patient's symptoms, surgery is recommended, depending on the degree of the degenerating cervical disc [2].…”

Section: Introductionmentioning

confidence: 99%

Design and Stress Analysis of Wider Lateral Lumbar Interbody Fusion (LLIF) Cages: A Finite Element Study

Eryıldız

2023

NÖHÜ Müh. Bilim. Derg.

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It is important to better understand the impact of intervertebral cage material and design on the stress distribution in vertebral bodies to aid eliminate complications like subsidence and improve performance after lumbar interbody fusion. In this study, the cage materials of PLA, PEEK, titanium, and stainless steel were compared using a finite element model of the L3-L4 motion segment. Strain and stress were measured in the vertebra and cage when the model was loaded in axial compression, flexion, and torsion. Additionally, a wider cage designed to conform to the vertebral endplates could potentially evenly distribute and reduce the overall stress at the endplates. The wider cages increased the area in contact with the bone, distributing the stress more evenly and providing a potential way to decrease the danger of subsidence. Such cages could be manufactured by additive manufacturing.

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Design of a Transforaminal Lumbar Interbody Fusion (TLIF) Spine Cage

Cited by 4 publications

References 16 publications

Development of Patient-Specific Adaptive Assistive Devices for Brachial Plexus Injury

Development of Patient-Specific Adaptive Assistive Devices for Brachial Plexus Injury

Optimizing PEEK implant surfaces for improved stability and biocompatibility through sandblasting and the platinum coating approach

Design and Stress Analysis of Wider Lateral Lumbar Interbody Fusion (LLIF) Cages: A Finite Element Study

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