A Finite Element Model to Simulate Femoral Fractures in Calves: Testing Different Polymers for Intramedullary Interlocking Nails

Rodrigues, Luciano Brito; Casas, Estevam Barbosa de Las; Lopes, Daniel Simões; Folgado, João; Fernandes, Paulo R.; Pires, E. B.; Alves, Geraldo Eleno Silveira; Faleiros, Rafael Resende

doi:10.1111/j.1532-950x.2012.01032.x

Cited by 14 publications

(4 citation statements)

References 20 publications

(29 reference statements)

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“…Stress analysis is important to understand the fracture mechanism. Thus, FEMs have been widely used for studies on bone fractures [13,14,25,26]. We modeled the arch-shaped bone re ecting characteristics of the dorsal arch of the canine atlas and analyzed the behavior of the spinal bone fracture in atlantoaxial dorsal xation using FEMs.…”

Section: Discussionmentioning

confidence: 99%

Biomechanical Analysis of Atlantoaxial Dorsal Fixation Using Finite Element Models

Bae

Kim

et al. 2020

Preprint

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Background: Atlantoaxial instability can cause spinal cord compression with clinical signs ranging from cervical pain to tetraplegia and death. Although a variety of dorsal fixation techniques have been described, some of them have been related to the fracture of the dorsal arch of the atlas, leading to surgical failure. We hypothesized that the shape of the dorsal arch of the atlas and types of implants might affect these bone fractures. Thus, the objective of this study was to analyze bone stresses through simulations of the dorsal fixation using finite element models.Results: The width between wires and the length of the bone did not affect the maximum stress on the bone. The maximum bone stress increased as the bone got thinner and the angle of the notch got steeper. The bone with band implant had lower maximum bone stress than that with wire implants. When using wire implants, wires applied beyond the notch of the dorsal arch reduced the maximum bone stress more than wires positioned within it.Conclusions: The fracture of the dorsal arch of the atlas was related to the shape of the bone and types of implant applied. Band implant can effectively reduce the fracture of the dorsal arch compared to wire implant in atlantoaxial dorsal fixation. When considering wire implant, it is recommended to apply wires beyond the notch of the atlas.

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Section: Discussionmentioning

confidence: 99%

Biomechanical Analysis of Atlantoaxial Dorsal Fixation Using Finite Element Models

Bae

Kim

et al. 2020

Preprint

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“…However, with the development of reproduction and genetic selection techniques, this attitude has changed. Presence of animals of high economic value in cattle herds has driven the search for new orthopedic implant materials and devices suitable for bone fracture treatment in bovines [10,19,20].…”

Section: Introductionmentioning

confidence: 99%

“…Precision of biomechanical models of bovine bones is highly influenced by correct estimation of forces they are subjected to. There are few studies dedicated to investigation of bovine musculoskeletal system when subjected to different loading conditions [19,20].…”

Section: Introductionmentioning

confidence: 99%

Estimation of bovine pelvic limb inertial properties using an elliptical model

Paolucci¹,

Gomides²,

Casas³

et al. 2017

J Braz. Soc. Mech. Sci. Eng.

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The CoM zz was located 36-50% distal to the proximal segment end. The more proximal segment showed the largest Er(%) = −11.21 ± 2.41%, while the more distal showed the smallest Er(%) = 1.82 ± 0.87% for CoM zz. This study not only presents a technique that may be applied to other body segments, but also provides insight into bovine musculoskeletal system necessary to improve the biomechanical models applied to dynamic analysis of bovine movement.

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“…В последние годы компьютерное моделирование все чаще используется для биомеханического исследования интрамедуллярного остеосинтеза переломов длинных трубчатых костей [5,9,16,20,26]. При рассмотрении блокируемых стержней многие авторы отмечают наличие концентраций напряжений на дистальных блокирующих винтах, а также на отверстиях под них в стержне [8,25].…”

Section: Introductionunclassified

Интрамедуллярный Стержень Нового Типа Для Остеосинтеза Диафизарных Переломов Бедра

Ivanov¹,

Барабаш²,

Барабаш³

2015

Российский журнал биомеханики

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A Finite Element Model to Simulate Femoral Fractures in Calves: Testing Different Polymers for Intramedullary Interlocking Nails

Abstract: FEM correctly estimated that polyacetal and polyamide 6 nails would fail to immobilize an oblique femoral diaphyseal fracture in calves that were allowed to walk freely during the early postoperative period. FEM can be useful in the development of new bovine orthopedic devices.

Cited by 14 publications

References 20 publications

Biomechanical Analysis of Atlantoaxial Dorsal Fixation Using Finite Element Models

Biomechanical Analysis of Atlantoaxial Dorsal Fixation Using Finite Element Models

Estimation of bovine pelvic limb inertial properties using an elliptical model

Интрамедуллярный Стержень Нового Типа Для Остеосинтеза Диафизарных Переломов Бедра

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