Interbody cervical cage implantation into cadaveric model of the ram spine: biomechanical tests
O. A. Spirin,
A. G. Aganesov,
M. M. Aleksanyan,
S. A. Makarov,
N. G. Sedush,
A. E. Krupnin,
V. V. Pobezhimov https://doi.org/10.14531/ss2025.3.97-103
Abstract
Objective. To evaluate the biomechanical properties of biodegradable poly-L-lactide cages on a cadaveric model of the cattle cervical spine.
Material and Methods. Prototypes of interbody cervical implants were developed on the Ender 3v2 3D printer. The mechanical characteristics of experimental cage specimens were evaluated, and the orientation of the specimens during 3D-printing was investigated. Single-level cervical discectomy with fixation by a cage made of poly-L-lactide was performed in 12 cadaveric models. Biomechanical tests of the operated vertebral segment were carried out under cyclic loading conditions.
Results. In this type of testing, the developed cervical cage models demonstrated high deformation stability under compression load, and the absence of deformation and migration in static and cyclic tests.
Conclusion. The development of biocompatible biodegradable cervical cages is a promising direction in medicine. Given the high rate of postoperative complications associated with migration and subsidence of cages made of non-resorbable materials, biodegradable implants may become a competitive analog for cervical segment fixation.
About the Authors
O. A. Spirin
Russian Scientific Center of Surgery n.a. Acad. B.V. Petrovsky
Russian Federation
Russian Federation
Oleg Artemovich Spirin, junior researcher of the Spine Surgery Department,
2 Abrikosovsky Pereulok, Moscow, 119991, Russia
A. G. Aganesov
Russian Scientific Center of Surgery n.a. Acad. B.V. Petrovsky
Russian Federation
Russian Federation
Alexander Georgyevich Aganesov, DMSc, Prof., Chief of the Spine Surgery Department
2 Abrikosovsky Pereulok, Moscow, 119991, Russia
M. M. Aleksanyan
Russian Scientific Center of Surgery n.a. Acad. B.V. Petrovsky
Russian Federation
Russian Federation
Mark Mikaelovich Aleksanyan, MD, PhD, senior researcher of the Spine Surgery Department,
2 Abrikosovsky Pereulok, Moscow, 119991, Russia
S. A. Makarov
Russian Scientific Center of Surgery n.a. Acad. B.V. Petrovsky
Russian Federation
Russian Federation
Sergei Aleksandrovich Makarov, researcher of the Spine Surgery Department,
2 Abrikosovsky Pereulok, Moscow, 119991, Russia
N. G. Sedush
National Research Center “Kurchatov Institute”
Russian Federation
Russian Federation
Nikita Gennadyevich Sedush, PhD in Physics and Mathematics, Head of the Laboratory of Polymeric Materials,
1 Akademika Kurchatova Square, Moscow, 123182, Russia
A. E. Krupnin
National Research Center “Kurchatov Institute”
Russian Federation
Russian Federation
Arthur Evgenyevich Krupnin, junior researcher of the Laboratory of Polymeric Materials, Acting Head of the Resource Center for Additive and Virtual Technologies, 1 Akademika Kurchatova Square, Moscow, 123182, Russia
V. V. Pobezhimov
National Research Center “Kurchatov Institute”
Russian Federation
Russian Federation
Vsevolod Vasilyevich Pobezhimov, research assistant of the Resource Center for Additive and Virtual Technologies,
1 Akademika Kurchatova Square, Moscow, 123182, Russia
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Review
For citations:
Spirin O.A., Aganesov A.G., Aleksanyan M.M., Makarov S.A., Sedush N.G., Krupnin A.E., Pobezhimov V.V. Interbody cervical cage implantation into cadaveric model of the ram spine: biomechanical tests. Russian Journal of Spine Surgery (Khirurgiya Pozvonochnika). 2025;22(3):97-103. (In Russ.) https://doi.org/10.14531/ss2025.3.97-103
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