Application of digital photography in biomechanical studies of osteosynthesis systems

Shidlovskiy, Mykola; Zakhovajko, О. P.; Dyman, М. М.

doi:10.20535/2521-1943.2018.82.126215

Cited by 2 publications

(4 citation statements)

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“…The essence of the method. The use of full-scale objects with formed areas of ВR for experiments is not possible, so for research we used bone samples with simulated fractures, fracture fixation systems [6][7][8][9][10][11] and simulated ВR.…”

Section: Methodsmentioning

confidence: 99%

“…Features of bones testing with fixed fractures. The method of testing for compression, bending and torsion of different types of plates for fixing fractures of tibia is described in [6,9,14]. When tested for off-center compression (Fig.…”

Section: Methodsmentioning

confidence: 99%

“…Simultaneously with the application of forces, the general diagrams of the system deformation were recorded. The displacement of the breakpoints Λ under load P was determined by the method of digital photography and computer image processing [6,14]. Similar tests were performed on tibia bones without simulating with unfilled diastase.…”

Section: Methodsmentioning

confidence: 99%

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Influence of bone tissue regenerate on rigidity of fractures fixation

Shidlovskiy

Musiienko

Zakhovaiko

et al. 2021

OMTC

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Based on experimental studies, an analytical method is proposed for an estimation of the influence of a regenerate of a bone fabric on rigidity of the system of osteosynthesis. A method for the experimental determination of displacements in the fracture region under the action of loads taking into account the regenerate has been developed and tested. A number of experiments were performed in compression, bending and torsion to determine the deformation characteristics of systems without regenerate and in its presence. The results of experiments related to the influence of bone regenerate formed during the fusion of fractures on the mechanical characteristics of the system "bone with a fracture - a means of fixation" are described. To assess the impact of bone regeneration, a method for studying the deformation of osteosynthesis systems using the method of modeling bone regeneration with a polymeric material with specified properties was developed and implemented. Using the stiffness condition, the expression for the calculation of permissible loads that do not lead to dangerous displacements of fracture points is obtained. The reduced deformations and permissible loads for the systems "bone with a fracture - a means of fixation" at different stages of bone tissue (ВT) regeneration under the action of compression, bending and torsion are calculated. It is established that the formed regenerate significantly increases the rigidity of the system "bone with a fracture - bone regenerate - a means of fixation", which increases the level of allowable loads on the extremities at different stages of treatment. Test and calculation data can be used to improve methods of treatment of damaged limbs in the intermediate and final stages of fracture fusion.

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Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

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Influence of bone tissue regenerate on rigidity of fractures fixation

Shidlovskiy

Musiienko

Zakhovaiko

et al. 2021

OMTC

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“…Масштабний коефіцієнт визначали попереднім фотографуванням калібру з відомим розміром. Розрахунок переміщень точок перелому під дією навантажень детально описано у роботах [25], [26].…”

Section: позначення точок перелому та вимірювання переміщеньunclassified

Functional reliability of means of fixation for complex pelvic fractures. Part 1: Materials and methods

Dyman,

Shydlovskyi,

Bobyr

et al. 2024

Mech. Adv. Technol.

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Due to the military aggression of the Russian Federation against Ukraine, a large number of soldiers and civilians were wounded and injured. Along with fractures of the long bones of the limbs, skull injuries, limb amputations, the number of injuries in the pelvic area with fractures of the pelvic bones as a result of being hit by high-velocity projectiles (shrapnel, bullets) has increased.This work is devoted to the preparation and research of the characteristics of stiffness and reliability of fixation of complex fractures of the pelvic bones in the area of the sacroiliac joint and the upper and lower branches of the pubic bone, which may occur as a result of injury by high-velocity projectiles that injure.The sacroiliac area was fixed with two cancellous screws with a parallel arrangement at the intersection of the horizontal and vertical planes (a typical technique for stabilizing the posterior parts of the pelvis). The anterior parts of the pelvic bones were stabilized with rod devices of external fixation with a typical location of the rods in the upper anterior iliac spine. The upper branch of the pubic bone was synthesized with a bony reconstructive plate with a typical location.

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Application of digital photography in biomechanical studies of osteosynthesis systems

Cited by 2 publications

References 0 publications

Influence of bone tissue regenerate on rigidity of fractures fixation

Influence of bone tissue regenerate on rigidity of fractures fixation

Functional reliability of means of fixation for complex pelvic fractures. Part 1: Materials and methods

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