Spatial deformations of osteosynthesis systems. Message 2. Experimental results
Keywords:osteosynthesis, biomechanical characteristics, tibia, compression, bending, torsion, displacements in a fracture, angle of rotation, dangerous loads, permissible load
Test procedure and a device for the spatial loading of full-scale bone specimens with fractures and fixation means and simultaneous measurement of mutual displacements arising in the fracture region due to the load are presented. The device allows us to apply longitudinal, transverse bending and rotational one-time and long-term cyclic loads to the specimen, simulating the action of loads when walking. The measurement of displacements was carried out by digitally photographing the fracture areas followed by computer image processing.
The test results of the “tibia with simulated fracture - fixation plate” systems under spatial loading by three external forces are presented, which cause compression, bending and torsion. As a result of the tests, the values of mutual displacements and the angles of mutual rotation of parts of the fracture were measured.Comparison of test and calculation results using the relationships described in Message 1 shows the suitability of the method, which allows us to quickly and reliably assess the level of displacements in bone fractures under the spatial loading.
Weber, T.G., Harrington, R.M., Henley, M.B. and Tencer, A.F. (1997), “The role of fibular fixation in combined fractures of the tibia and fibula: a biomechanical investigation”, J Orthop. Trauma, vol. 11, no. 3, pp. 206–211.
Zelle, B.A., Bhandari, M., Espiritu, M. and dr. (2006), “Treatment of distal tibia fractures without articular involvement: a systematic review of 1125 fractures”, J Orthop Trauma, vol. 20, no. 1, pp. 76–79.
Jaarsma, R.L. van Kampen, A. (2004), “Rotational malalignment after fractures of the femur”, J Bone Joint Surg Br., vol. 86, no. 8, pp. 1100–1104. https://doi.org/10.1302/0301-620X.86B8.15663
Ricci, W.M., Bellabarba, C., Lewis, R., and dr. (2001), “Angular malalignment after intramedullary nailing of femoral shaft fractures”, J Orthop Trauma, vol. 15, no. 2, pp. 90–95.
Tonin, M.S. (2009), Biomehanicheskie sistemyi osteosinteza pri lechenii perelomov klyuchitsyi [Biomechanical systems of osteosynthesis in the treatment of clavicle fractures], avtoref. dis., Saratov, Russian.
Shidlovskogo, M.S. and Lakshi, A.M. (ed.) (2017), Eksperimentalni doslidzhennya zasobiv osteosintezu, [Experimental studies of osteosynthesis], Lenvit, Kyiv, Ukraina.
Shidlovskiy, M.S., Radomskiy, O.A., Litun, Y.M., AksyutIn, A.G. Zareestrovano 12.03.2012, Byul. № 5, 2012, Sposib vimiryuvannya zmischen ulamkiv kistok lyudini v eksperimentI, Patent na korisnu model № 68177.
Shidlovskiy, M.S., Zahovayko, O.P., Diman, M.M. 12.06.2017, Byul. № 11, 2017, Sposib viznachennya zmischennya ulamkiv kistok v mistsyah perelomiv, Patent na korisnu model № 117085.
Shidlovskiy, M.S., Litun, Y.M., Zahovayko, O.P., Onischenko, E.E., Diman, M.M. 25.09.2018, Byul. № 18, 2018, Sposib vimiryuvannya prostorovih peremischen ulamkiv kistok lyudini v eksperimenti, Patent na korisnu model № 128638.
Bur’yanov, O.A., Shidlovskiy, M.S., Omelchenko, T.M., Diman, M.M., Musienko, O.S. (2017), “Deformatsiyni harakteristiki sistem fiksatsiyi, scho zastosovuyutsya pri perelomah ta korektsIynih osteotomiyah distalnogo viddilu velikogomilkovoyi kistki”, Litopis travmatologiyi ta ortopediyi, no. 1–2, pp. 129–133.
Shidlovskiy, М., Dyman, М. and Omelchenko, T. (2018), “The tibial fractures fixation system deformation characteristics”, Mechanics and Advanced Technologies, vol. 84, no. 3, pp. 52–60. https://doi.org/10.20535/2521-1943.2018.84.141615
Copyright (c) 2020 Mechanics and Advanced Technologies
This work is licensed under a Creative Commons Attribution 4.0 International License.
Authors who publish with this journal agree to the following terms:
- Authors retain copyright and grant the journal right of first publication with the work simultaneously licensed under CC BY 4.0 that allows others to share the work with an acknowledgement of the work's authorship and initial publication in this journal.
- Authors are able to enter into separate, additional contractual arrangements for the non-exclusive distribution of the journal's published version of the work (e.g., post it to an institutional repository or publish it in a book), with an acknowledgement of its initial publication in this journal.
- Authors are permitted and encouraged to post their work online (e.g., in institutional repositories or on their website) prior to and during the submission process, as it can lead to productive exchanges, as well as earlier and greater citation of published work