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Biomechanics of Contemporary Implants and Prosthesis: Modeling, Experiments, and Clinical...
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Biomechanics of Contemporary Implants and Prosthesis: Modeling, Experiments, and Clinical Application (Second Volume)

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Biomaterials".

Deadline for manuscript submissions: closed (20 January 2024) | Viewed by 3127

Special Issue Editor

Dr. Oskar Sachenkov

E-Mail Website
Guest Editor
N.I. Lobachevsky Institute of Mathematics and Mechanics, Kazan Federal University, Kazan 420008, Russia
Interests: biomechanics; bone tissue; hip dislocation; osteotomy; acetabulum; computed tomography; FEA; CT-based FEM
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Modern medicine is more oriented towards patient-based treatments. Taking into account individual biological features allows for increasing the quality of the healing process. Opportunities for modern hardware and software allow not only simulating the complex behavior of implants and prostheses but taking into account any peculiarities of the patient. Moreover, development of additive manufacturing expands the opportunities for materials. Technical limits for composite materials, biomaterials, and metamaterials are decreasing. On the other hand, there is a need for more detailed analyses of biomechanics research. A deeper understanding of the technological processes of implants and the mechanobiological interaction of implants and organisms will potentially allow us to raise the level of medical treatment.

In this Special Issue, modern trends of the biomechanics of contemporary implants and prostheses, including experimental and mathematical modeling and clinical application, are highlighted and discussed.

I am pleased to invite you to submit a manuscript for this Special Issue. Full papers, communications, and reviews are all welcome.

Topics of interest include (but are not limited to):

  • New methods of design implants and prosthesis;
  • Digital solutions for the patient-based treatment;
  • CT- and MRI-based biomechanical simulation;
  • Use of biomaterials for implants and prosthesis;
  • Research of biocompatibility for implants and prosthesis;
  • Usage metamaterial for implants;
  • Influence of the patient’s biomechanics on implant loading.

Dr. Oskar Sachenkov
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Materials is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • implants and prosthesis
  • personal aided treatment
  • CT- and MRI-based simulation
  • biomaterials and biocompatibility
  • metamaterial implants
  • patient biomechanics and implant loading
  • metallic and composite structures

Published Papers (2 papers)

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Research

13 pages, 4716 KiB  
Article
On the Safety of Implanted Breast Prostheses in Accidental Impacts
by Gerardus Janszen, Michela Arnoldi, Valeriano Vinci, Marco Klinger and Luca Di Landro
Materials 2023, 16(13), 4807; https://doi.org/10.3390/ma16134807 - 04 Jul 2023
Viewed by 1202
Abstract
The employment of breast silicone implants, both in aesthetic and reconstructive medicine, is widespread thanks to their recognized biocompatibility and durability. Some critical situations, for example, in the case of accidental impacts, may induce concerns by potential patients about their use. Dynamic tests [...] Read more.
The employment of breast silicone implants, both in aesthetic and reconstructive medicine, is widespread thanks to their recognized biocompatibility and durability. Some critical situations, for example, in the case of accidental impacts, may induce concerns by potential patients about their use. Dynamic tests reproducing frontal impacts at speeds up to 90 km/h, with anthropomorphic dummies carrying 330 cc prostheses and wearing safety belts, were conducted. Tests showed a significant probability of internal gel loss following implant damage at the highest speed. Moreover, considering that prostheses may remain implanted for many years, the effects of accelerated aging at 37 °C, 60 °C, 75 °C and 90 °C in physiological solution were also investigated. Tensile tests of the shell material and compressive tests of the full prosthesis showed evidence of variation in the prostheses’ mechanical characteristics after aging, which affects their stiffness, deformability and strength. These results stress the importance of medical investigations for possible damages of the implanted prostheses in the case of an accident. Full article
(This article belongs to the Special Issue Biomechanics of Contemporary Implants and Prosthesis: Modeling, Experiments, and Clinical Application (Second Volume))
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13 pages, 3653 KiB  
Article
Numerical and Experimental Study of a Lattice Structure for Orthopedic Applications
by Nikita Kharin, Pavel Bolshakov and Alex G. Kuchumov
Materials 2023, 16(2), 744; https://doi.org/10.3390/ma16020744 - 12 Jan 2023
Cited by 6 | Viewed by 1529
Abstract
Prosthetic reconstructions provide anatomical reconstruction to replace bones and joints. However, these operations have a high number of short- and long-term complications. One of the main problems in surgery is that the implant remains in the body after the operation. The solution to [...] Read more.
Prosthetic reconstructions provide anatomical reconstruction to replace bones and joints. However, these operations have a high number of short- and long-term complications. One of the main problems in surgery is that the implant remains in the body after the operation. The solution to this problem is to use biomaterial for the implant, but biomaterial does not have the required strength characteristics. The implant must also have a mesh-like structure so that the bone can grow into the implant. The additive manufacturing process is ideal for the production of such a structure. The study deals with the correlation between different prosthetic structures, namely, the relationship between geometry, mechanical properties and biological additivity. The main challenge is to design an endoprosthesis that will mimic the geometric structure of bone and also meet the conditions of strength, hardness and stiffness. In order to match the above factors, it is necessary to develop appropriate algorithms. The main objective of this study is to augment the algorithm to ensure minimum structural weight without changing the strength characteristics of the lattice endoprosthesis of long bones. The iterative augmentation process of the algorithm was implemented by removing low-loaded ribs. A low-loaded rib is a rib with a maximum stress that is less than the threshold stress. Values within the range (10, 13, 15, 16, 17, 18, 19 and 20 MPa) were taken as the threshold stress. The supplement to the algorithm was applied to the initial structure and the designed structure at threshold stresses σf = 10, 13, 15, 16, 17, 18, 19 and 20 MPa. A Pareto diagram for maximum stress and the number of ribs is plotted for all cases of the design: original, engineered and lightened structures. The most optimal was the designed “lightweight” structure under the condition σf = 17 MPa. The maximum stress was 147.48 MPa, and the number of ribs was 741. Specimens were manufactured using additive manufacturing and then tested for four-point bending. Full article
(This article belongs to the Special Issue Biomechanics of Contemporary Implants and Prosthesis: Modeling, Experiments, and Clinical Application (Second Volume))
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