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Article

Numerical and Experimental Assessment of a Novel Anchored for Intramedullary Telescopic Nails Used in Osteogenesis Imperfecta Fractures

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Instituto Politécnico Nacional, Unidad Profesional Interdisciplinaria en Energía y Movilidad, Unidad Zacatenco, 07738 Ciudad de México, Mexico
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Instituto Politécnico Nacional, Escuela Superior de Ingeniería Mecánica y Eléctrica, Sección de Estudios de Posgrado e Investigación, Unidad Zacatenco, 07738 Ciudad de México, Mexico
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Instituto Politécnico Nacional, Unidad Profesional Interdisciplinaria en Ingeniería y Tecnologías Avanzadas, 07340 Ciudad de México, Mexico
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Author to whom correspondence should be addressed.
Academic Editor: Antonio Scarano
Appl. Sci. 2021, 11(12), 5422; https://doi.org/10.3390/app11125422
Received: 2 April 2021 / Revised: 26 May 2021 / Accepted: 3 June 2021 / Published: 11 June 2021
(This article belongs to the Special Issue Personalized Medical Devices)
Osteogenesis Imperfecta (IO) is a bone disease mainly characterized by the low bone density that produces common fractures in children around 0–7 years. The use of metal implants is a typical treatment of this disease. The intramedullary telescopic nail (ITN) was inspired by the progressive growth in the long bones such as the femur or humerus during children’s aging. This work shows an experimental assessment of the ITN’s, focusing on their fixation; the proposed improvements in the design of the intramedullary nail studied include the separation of the element into two parts for telescopic enlargement, minimal invasive fixation through the distal anchorage, and the double auto-drilled end for fixation on the distal and proximal section of the bone. The samples were manufactured in 316 L steel and mounted on specialized jaws to replicate the implants’ boundary conditions. The experimental test was repeated three times to report the intramedullary telescopic nail’s behavior at three lengths. The results show that the device supports only 79.06 N when not at extension length. However, if the device is extended 150% it will support 46.87 N which suggests that intramedullary telescopic nails can only increase by 25% of their original length before they fail. View Full-Text
Keywords: biomechanics; osteogenesis imperfecta; intramedullary telescopic nails; prosthesis; testbed biomechanics; osteogenesis imperfecta; intramedullary telescopic nails; prosthesis; testbed
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MDPI and ACS Style

Aguilar-Pérez, L.A.; Sánchez-Cruz, J.I.; Flores-Campos, J.A.; Torres-SanMiguel, C.R. Numerical and Experimental Assessment of a Novel Anchored for Intramedullary Telescopic Nails Used in Osteogenesis Imperfecta Fractures. Appl. Sci. 2021, 11, 5422. https://doi.org/10.3390/app11125422

AMA Style

Aguilar-Pérez LA, Sánchez-Cruz JI, Flores-Campos JA, Torres-SanMiguel CR. Numerical and Experimental Assessment of a Novel Anchored for Intramedullary Telescopic Nails Used in Osteogenesis Imperfecta Fractures. Applied Sciences. 2021; 11(12):5422. https://doi.org/10.3390/app11125422

Chicago/Turabian Style

Aguilar-Pérez, Luis A.; Sánchez-Cruz, José I.; Flores-Campos, Juan A.; Torres-SanMiguel, Christopher R. 2021. "Numerical and Experimental Assessment of a Novel Anchored for Intramedullary Telescopic Nails Used in Osteogenesis Imperfecta Fractures" Appl. Sci. 11, no. 12: 5422. https://doi.org/10.3390/app11125422

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