Modeling of 3D Implants via Personalized Contour Correction with Evaluation of Bone Tissue Density on the Hounsfield Scale

Sadovoy, M. A.; Павлов, В. В.; Базлов, В. А.; Мамуладзе, Т. З.; Efimenko, M.V.; Прохоренко, В. М.; Mamonova, E. V.; Кирилова, И. А.; Аронов, А. М.; Panchenko, Alexander; Фомичев, Н. Г.

doi:10.1007/s10527-018-9812-1

Cited by 4 publications

(1 citation statement)

References 4 publications

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“…Причиною розхитування ендопротеза вважається неадекватність функціональних напружень, які діють на кістку в системі "кістка -імплантат" при фізіологічних навантаженнях. Визначено, що ці навантаження обумовлені жорсткістю матеріалу протеза, тривимірною формою ніжки і ступенем контакту компонентів із кісткою, щільністю кістки та величиною осьових навантажень на імплантат [45,46].…”

Section: вступunclassified

Problematic Issues of the Theory and Practice of Finger Joints Endoprosthetics (Literature Review)

Mametiev¹,

Naumenko²

2021

HOTP

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Summary. The proximal interphalangeal and metacarpophalangeal joints play an important role in the function of the hand as an organ of labor and self-care. The frequency of joint injuries of this localization reaches 32% in the structure of hand injuries, and unsatisfactory consequences are associated with the severity of the injury. Wrong treatment ranges between 60-80%, which gives ground to classify the problem as socially significant. The development and improvement of implant designs came through the introduction of new materials, structural changes in the fasteners and mobility. Much of the implants design became a thing of the past, giving a push to the development of new models. The need for anatomical and functional compliance of the implant with the characteristics of a healthy joint gave an impulse to research on the manufacture of individual prostheses with the help of 3D modeling. The analysis of literature sources showed a high level of unfavorable consequences of damage to the finger joints and the prospects for the development of more anatomical designs of hand joints prostheses. The development of individual geometrically similar designs endoprostheses of the finger joints of hand that will provide conditions of improvement of quality of treatment of patients remains an actual problem. The relatively short period of operational suitability of existing endoprostheses affected by a limited number of medical supervision necessitates the expansion of research in the near and long terms after prosthetics.

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Section: вступunclassified

Problematic Issues of the Theory and Practice of Finger Joints Endoprosthetics (Literature Review)

Mametiev¹,

Naumenko²

2021

HOTP

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Computational modeling of revision total hip arthroplasty involving acetabular defects: A systematic review

Hopkins,

Callary,

Solomon

et al. 2024

Journal Orthopaedic Research

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Revision total hip arthroplasty (rTHA) involving acetabular defects is a complex procedure associated with lower rates of success than primary THA. Computational modeling has played a key role in surgical planning and prediction of postoperative outcomes following primary THA, but modeling applications in rTHA for acetabular defects remain poorly understood. This study aimed to systematically review the use of computational modeling in acetabular defect classification, implant selection and placement, implant design, and postoperative joint functional performance evaluation following rTHA involving acetabular defects. The databases of Web of Science, Scopus, Medline, Embase, Global Health and Central were searched. Fifty‐three relevant articles met the inclusion criteria, and their quality were evaluated using a modified Downs and Black evaluation criteria framework. Manual image segmentation from computed tomography scans, which is time consuming, remains the primary method used to generate 3D models of hip bone; however, statistical shape models, once developed, can be used to estimate pre‐defect anatomy rapidly. Finite element modeling, which has been used to estimate bone stresses and strains, and implant micromotion postoperatively, has played a key role in custom and off‐the‐shelf implant design, mitigation of stress shielding, and prediction of bone remodeling and implant stability. However, model validation is challenging and requires rigorous evaluation and comparison with respect to mid‐ to long‐term clinical outcomes. Development of fast, accurate methods to model acetabular defects, including statistical shape models and artificial neural networks, may ultimately improve uptake of and expand applications in modeling and simulation of rTHA for the research setting and clinic.

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3D Printed Implants for Joint Replacement

Ahmed

Siraj

Alnajjar

et al. 2021

Applications of 3D Printing in Biomedical Engineering

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Modeling of 3D Implants via Personalized Contour Correction with Evaluation of Bone Tissue Density on the Hounsfield Scale

Cited by 4 publications

References 4 publications

Problematic Issues of the Theory and Practice of Finger Joints Endoprosthetics (Literature Review)

Problematic Issues of the Theory and Practice of Finger Joints Endoprosthetics (Literature Review)

Computational modeling of revision total hip arthroplasty involving acetabular defects: A systematic review

3D Printed Implants for Joint Replacement

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