ArticleInternational journal of bioprinting2023
Biomechanical evaluation of an osteoporotic anatomical 3D printed posterior lumbar interbody fusion cage with internal lattice design based on weighted topology optimization.
Article in International journal of bioprinting, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Material and Geometric Innovations in Lumbar and Cervical Interbody Devices: A Systematic Scoping Review.Annals of biomedical engineering · 2026Review
- Mechanical assessment of a titanium cervical spine corpectomy cage assembled with 3D-printed patient-specific endplate-conformed contact surfaces and a traditionally manufactured expandable mechanism.3D printing in medicine · 2025Article
- Standardized Morphological Modeling and Simulation-Based Validation of a Novel Tibiotalar Fusion Implant.Bioengineering (Basel, Switzerland) · 2025Article
- Biomechanical Design and Validation of a Novel Elliptical Sleeve Pedicle Screw for Enhanced Spinal Fixation Stability.Bioengineering (Basel, Switzerland) · 2025Article
- Biomechanical design of titanium-PEEK combined fusion cage based on PLIF surgical model.Frontiers in bioengineering and biotechnology · 2025Article
- Biomechanical properties analysis of posterior lumbar interbody fusion with transpedicular oblique screw fixation.Heliyon · 2024Article
- The ability of SPEEK to promote the proliferation and osteogenic differentiation of BMSCs on PEEK surfaces.Heliyon · 2024Article
- Designing an anatomical contour titanium 3D-printed oblique lumbar interbody fusion cage with porous structure and embedded fixation screws for patients with osteoporosis.International journal of bioprinting · 2023Article
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
In this study, we designed and manufactured a posterior lumbar interbody fusion cage for osteoporosis patients using 3D-printing. The cage structure conforms to the anatomical endplate's curved surface for stress transmission and internal lattice design for bone growth. Finite element (FE) analysis and weight topology optimization under different lumbar spine activity ratios were integrated to design the curved surface (CS-type) cage using the endplate surface morphology statistical results from the osteoporosis patients. The CS-type and plate (P-type) cage biomechanical behaviors under different daily activities were compared by performing non-linear FE analysis. A gyroid lattice with 0.25 spiral wall thickness was then designed in the internal cavity of the CS-type cage. The CS-cage was manufactured using metal 3D printing to conduct
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