ArticleBMC musculoskeletal disorders2024
Biomechanical difference analysis of new and classic intramedullary nail devices in the treatment of basal femoral neck fractures: finite element analysis.
Article in BMC musculoskeletal disorders, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Article
- 320 mm InterTan nail optimizes biomechanics in AO/OTA 31A2.3 fractures: superior stress distribution, micromotion, and strain for enhanced healing.Frontiers in bioengineering and biotechnology · 2026Article
- Comparative analysis of the effects of blade plate retention versus removal on paediatric bone remodelling following proximal femoral osteotomy.Archives of orthopaedic and trauma surgery · 2025Article
- Biomechanical effects of six internal fixation methods for distal femoral AO/OTA 33C1 fractures: finite element analysis.BMC musculoskeletal disorders · 2025Article
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Authors and funding
8 authors.
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Abstract
objectiveThere is currently a lack of in-depth comparative evaluation regarding the biomechanical properties of novel intramedullary nail devices in the treatment of basal femoral neck fractures (BFNF). This study aims to utilize finite element analysis to compare the performance differences of two novel devices with traditional PFNA and InterTan nails in the fixation of BFNF.
methodsBased on a validated finite element model, this study constructed an accurate BFNF model and implanted four different intramedullary nail devices: PFNA, InterTan nail, PFBN (proximal femoral biomimetic nail), and NIS (novel intramedullary system). Under a vertical load of 2100N, the displacement and Von Mises stress (VMS) distribution of each group of models were evaluated through simulation testing.
resultsUnder a load of 2100N, the PFBN device exhibited the best performance in terms of displacement and peak stress, while PFNA performed poorly. The peak displacement of the NIS device was lower than that of PFNA and InterTan nails, while the peak stress of the InterTan nail was lower than that of PFNA and NIS.
conclusionThe PFBN device demonstrates stronger load-bearing and shear-resistant properties in the treatment of BFNF, and the NIS device also shows significant improvement in stability. Therefore, both the PFBN and NIS devices are reliable internal fixation techniques for the treatment of CFIFs, with potential clinical application prospects.
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