BONE AND SOFT TISSUES INTEGRATION IN POROUS TITANIUM IMPLANTS (EXPERIMENTAL RESEARCH)

Aim. It’s common that revision arthroplasty of the large joints demands replacing of bone defects of irregular geometrical shapes and simultaneous restoring of support ability and ability to integrate surrounding muscular and tendinous structures into an implant that is required for a complete resto...

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Main Authors: R. M. Tikhilov, I. I. Shubnyakov, A. O. Denisov, V. A. Konev, I. V. Gofman, P. M. Mikhailova, G. I. Netylko, A. V. Vasiliev, L. O. Anisimova, S. S. Bilyk
Format: Article
Language:Russian
Published: Vreden Russian Research Institute of Traumatology and Orthopedics 2018-07-01
Series:Travmatologiâ i Ortopediâ Rossii
Subjects:
Online Access:https://journal.rniito.org/jour/article/view/1006
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author R. M. Tikhilov
I. I. Shubnyakov
A. O. Denisov
V. A. Konev
I. V. Gofman
P. M. Mikhailova
G. I. Netylko
A. V. Vasiliev
L. O. Anisimova
S. S. Bilyk
author_facet R. M. Tikhilov
I. I. Shubnyakov
A. O. Denisov
V. A. Konev
I. V. Gofman
P. M. Mikhailova
G. I. Netylko
A. V. Vasiliev
L. O. Anisimova
S. S. Bilyk
author_sort R. M. Tikhilov
collection DOAJ
description Aim. It’s common that revision arthroplasty of the large joints demands replacing of bone defects of irregular geometrical shapes and simultaneous restoring of support ability and ability to integrate surrounding muscular and tendinous structures into an implant that is required for a complete restoration of joint function.The purpose. To experimentally study the process of integration for muscular and bone tissue as well as tendinous and ligamentous structures into porous titanium materials.Material and methods. During in vivo experiment the authors created a standardized bone defect in 6 rabbits of chinchilla breed at the point of patella ligament attachment as well as a delamination area of muscular tissue in latissimus dorsi. Both knee joints and both latissimus dorsi were used in each animal. Study group included titanium implants with three-dimensional mesh structure. Control group — solid titanium implants with standard porosity. Titanium implants were produced by additive technologies with preliminary prototyping. The porosity corresponded to trabecular metal, striations — 0.45, pores size —100–200 microns. Study and control components were implanted in the identical conditions into the corresponding anatomical sites. Postoperative AP and lateral roentgenograms of knee joints were performed for all animals. Morphological research was conducted on day 60 after the implantation and strength properties were studied at day 90 after the implantation.Results. The authors observed bony ingrowth into implant pores with minimal volume of fibrous tissue, a distinct connective integration was reported represented by a dense fibrous tissue in the pores of components implanted into the muscular tissue. Testing of fixation strength of the study implants demonstrated a clearly superior strength of soft and bone tissue integration into the experimental mesh implants produced using additive technologies.
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spelling doaj.art-3477de3352874215b0f26f055e28636e2022-12-21T23:32:46ZrusVreden Russian Research Institute of Traumatology and OrthopedicsTravmatologiâ i Ortopediâ Rossii2311-29052542-09332018-07-012429510710.21823/2311-2905-2018-24-2-95-107714BONE AND SOFT TISSUES INTEGRATION IN POROUS TITANIUM IMPLANTS (EXPERIMENTAL RESEARCH)R. M. Tikhilov0I. I. Shubnyakov1A. O. Denisov2V. A. Konev3I. V. Gofman4P. M. Mikhailova5G. I. Netylko6A. V. Vasiliev7L. O. Anisimova8S. S. Bilyk9Vreden Russian Research Institute of Traumatology and Orthopedics; Mechnikov North-Western State Medical University.Vreden Russian Research Institute of Traumatology and Orthopedics.Vreden Russian Research Institute of Traumatology and Orthopedics.Vreden Russian Research Institute of Traumatology and Orthopedics.Institute of macromolecular compounds, Russian academy of sciences.Vreden Russian Research Institute of Traumatology and Orthopedics.Vreden Russian Research Institute of Traumatology and Orthopedics.Medical Genetics Research Center.Vreden Russian Research Institute of Traumatology and Orthopedics.Vreden Russian Research Institute of Traumatology and Orthopedics.Aim. It’s common that revision arthroplasty of the large joints demands replacing of bone defects of irregular geometrical shapes and simultaneous restoring of support ability and ability to integrate surrounding muscular and tendinous structures into an implant that is required for a complete restoration of joint function.The purpose. To experimentally study the process of integration for muscular and bone tissue as well as tendinous and ligamentous structures into porous titanium materials.Material and methods. During in vivo experiment the authors created a standardized bone defect in 6 rabbits of chinchilla breed at the point of patella ligament attachment as well as a delamination area of muscular tissue in latissimus dorsi. Both knee joints and both latissimus dorsi were used in each animal. Study group included titanium implants with three-dimensional mesh structure. Control group — solid titanium implants with standard porosity. Titanium implants were produced by additive technologies with preliminary prototyping. The porosity corresponded to trabecular metal, striations — 0.45, pores size —100–200 microns. Study and control components were implanted in the identical conditions into the corresponding anatomical sites. Postoperative AP and lateral roentgenograms of knee joints were performed for all animals. Morphological research was conducted on day 60 after the implantation and strength properties were studied at day 90 after the implantation.Results. The authors observed bony ingrowth into implant pores with minimal volume of fibrous tissue, a distinct connective integration was reported represented by a dense fibrous tissue in the pores of components implanted into the muscular tissue. Testing of fixation strength of the study implants demonstrated a clearly superior strength of soft and bone tissue integration into the experimental mesh implants produced using additive technologies.https://journal.rniito.org/jour/article/view/1006integration of soft tissuebony integrationporous titanium implantsexperimental modelbone defectadditive technologies
spellingShingle R. M. Tikhilov
I. I. Shubnyakov
A. O. Denisov
V. A. Konev
I. V. Gofman
P. M. Mikhailova
G. I. Netylko
A. V. Vasiliev
L. O. Anisimova
S. S. Bilyk
BONE AND SOFT TISSUES INTEGRATION IN POROUS TITANIUM IMPLANTS (EXPERIMENTAL RESEARCH)
Travmatologiâ i Ortopediâ Rossii
integration of soft tissue
bony integration
porous titanium implants
experimental model
bone defect
additive technologies
title BONE AND SOFT TISSUES INTEGRATION IN POROUS TITANIUM IMPLANTS (EXPERIMENTAL RESEARCH)
title_full BONE AND SOFT TISSUES INTEGRATION IN POROUS TITANIUM IMPLANTS (EXPERIMENTAL RESEARCH)
title_fullStr BONE AND SOFT TISSUES INTEGRATION IN POROUS TITANIUM IMPLANTS (EXPERIMENTAL RESEARCH)
title_full_unstemmed BONE AND SOFT TISSUES INTEGRATION IN POROUS TITANIUM IMPLANTS (EXPERIMENTAL RESEARCH)
title_short BONE AND SOFT TISSUES INTEGRATION IN POROUS TITANIUM IMPLANTS (EXPERIMENTAL RESEARCH)
title_sort bone and soft tissues integration in porous titanium implants experimental research
topic integration of soft tissue
bony integration
porous titanium implants
experimental model
bone defect
additive technologies
url https://journal.rniito.org/jour/article/view/1006
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