Computer-Aided Design and Analysıs of an Advanced Fixator System
Abstract
The use of fixators is crucial during the healing process of fractured bones to ensure proper alignment and protect the bone against new mechanical stresses. Fixators are commonly utilized in procedures such as bone lengthening (distraction osteogenesis) and the correction of bone deformities. Distraction osteogenesis is a surgical technique that enables bone elongation and reshaping. In this study, an alternative fixator design is proposed to stabilize bone fragments during the distraction osteogenesis procedure applied to the femur bone. The fixator designs were created using SolidWorks 2021 software, and static analyses of the femur and fixator were conducted in ANSYS 2023 R1, considering geometric shapes and material properties. The analysis results were used to evaluate the integration efficiency of the fixator with the femur, its load-bearing capacity, and potential structural weaknesses.
References
Barrère, Florence, Clemens A. van Blitterswijk, & Klaas de Groot. "Bone regeneration: molecular and cellular interactions with calcium phosphate ceramics." International journal of nanomedicine, 317–332 (2006).
Tunçay Ekin Ö, “Biyomimetik Yöntemle Bor Katkılı Doku İskelelerinin Geliştirilmesi ve Kemik Doku Mühendisliğindeki Etkinliklerinin Araştırılması,” Master's thesis, Department of Bioengineering Engineering, Hacettepe University, Ankara, Türkiye, 2013.
Mughal, U., Khawaja, H., & Moatamedi, M. ‘Finite element analysis of human femur bone.’ The International Journal of Multiphysics, 101-108 (2015).
Maden Okan, ‘İnsan Femurunda Eksenel Ve Yanal Darbe Yüküne Maruz Kalan Kemik-İmplant Sisteminin Analizi’, Master Thesis, Department of Mechanical Engineering, Hacettepe University, Bursa, Turkey, 2022.
Yetiş Alper, ‘Femur kırıklarının intramedüller çivilemesinde eksternal fiksatör ile hibrit sabitlemenin biyomekanik olarak incelenmesi’, Master Thesis, Department of Mechanical Engineering, TOBB University of Economics and Technology, Ankara, Türkiye, 2019.
Ilizarov, Gavriil A. "Clinical application of the tension-stress effect for limb lengthening." Clinical Orthopaedics and Related Research, ss. 8-26, 1990.
RENZI-BRIVIO, L. O. D. O. V. I. C. O., FRANCO LAVINI, and G. I. O. V. A. N. N. I. DE BASTIANI. "Lengthening in the congenital short femur." Clinical Orthopaedics and Related Research®, ss. 112-116, 1990.
Yasui, Natsuo, et al. "Factors affecting callus distraction in limb lengthening." Clinical Orthopaedics and Related Research®, ss. 55-60, 1993.
Sadat-Shojai, Mehdi, et al. "Synthesis methods for nanosized hydroxyapatite with diverse structures." Acta biomaterialia c. 9, sayı 8, ss. 7591–7621, 2013.
Kar, N., "Extremity Traumas (Emergency Approach)", Y.Ü.Cerrahpaşa Medical Faculty Educational Activities Emergency Medicine Symposium, Istanbul, Türkiye, 1997.
Santy, Julie. "Nursing the patient with an external fixator." Nursing Standard (through 2013), c. 14, sayı 31, ss. 47, 2000.
B. Gasser, B. Boman, D. Wyder, & E. Schneider, "Stiffness characteristics of the circular ilizarov device as opposed to conventional external fixators," Journal of biomechanical engineering, c. 112, sayı. 1, ss. 15-21, 1990.
Anonymous. (2023, March 23). [Online]. Available at: https://images.app.goo.gl/MDScSYfqfakaHKSV7
Anonymous. (2024, June 22). [Online]. Access: https://www.medicalpark.com.tr/boy-uzatma-ameliyati/hg-1985
Anonymous. (2024, April 5). [Online]. Access: https://www.florence.com.tr/guncel-saglik/boy-uzatma-ameliyati
S. NAYAGAM, M. OLEKSAK, ‘OPERATIVE TECHNIQUE LRS Advanced Limb Reconstruction System’, ORTHOFIX Srl.
Samanwita Bagg. (2024, 2 January). [Online]. Access: https://grabcad.com/library/femur-bone-10
E.KOÇ, Makina Elemanları, 2nd Edition, Nobel Publications, 2006.
Ramos, A., & Simões, J. A. ‘Tetrahedral versus hexahedral finite elements in numerical modelling of the proximal femur’. Medical engineering & physics, 916-924 (2006).