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Bio Tribocorrosion In Biomaterials And Medical Implants

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Bio tribocorrosion in biomaterials and medical implants

Bio tribocorrosion in biomaterials and medical implants Book
Author : Y. Yan,A. Neville
Publisher : Elsevier Inc. Chapters
Release : 2013-09-30
ISBN : 0128089954
Language : En, Es, Fr & De

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Book Description :

Total joint replacement (TJR), or joint arthroplasty, is a widely used surgical procedure in which the entire joint is removed and replaced with a prosthetic joint. The most common types of TJR are total hip replacement (THR) and total knee replacement (TKR). The improvement and development of safer, longer lasting and better functioning implants are essential. Recent reports of potential problems caused by ion release in metal-on-metal (MoM) TJRs resulting in the formation of pseudo-tumours therefore need to be properly investigated. This chapter provides an overview of the evolution of TJR, followed by a review of the issues and the science around ion release. The potential corrosion issues and bio-tribocorrosion processes which prevail in TJRs, including orthopaedic implant materials, load-bearing joint replacement materials tribocorrosion, and protein adsorption, are also discussed.

Bio Tribocorrosion in Biomaterials and Medical Implants

Bio Tribocorrosion in Biomaterials and Medical Implants Book
Author : Yu Yan
Publisher : Elsevier
Release : 2013-09-30
ISBN : 0857098608
Language : En, Es, Fr & De

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Book Description :

During their service life, most biomaterials and medical implants are vulnerable to tribological damage. In addition, the environments in which they are placed are often corrosive. The combination of triobology, corrosion and the biological environment has been named ‘bio-tribocorrosion’. Understanding this complex phenomenon is critical to improving the design and service life of medical implants. This important book reviews recent key research in this area. After an introduction to the topography of bio-tribocorrosion, Part one discusses different types of tribocorrosion including fatigue-corrosion, fretting-corrosion, wear-corrosion and abrasion-corrosion. The book also discusses the prediction of wear in medical devices. Part two looks at biological effects on tribocorrosion processes, including how proteins interact with material surfaces and the evolution of surface changes due to bio-tribocorrosion resulting from biofilms and passive films. Part three reviews the issue of bio-tribocorrosion in clinical practice, including dental applications and joint replacement as well the use of coatings and test methods for bio-tribocorrosion. With its international team of contributors, Bio-tribocorrosion in biomaterials and medical implants is a standard reference for those researching and developing medical devices as well as clinicians in such areas as dentistry and orthopaedic surgery. Reviews recent research in bio-tribocorrosion and its role in improving the design and service life of medical implants Discusses types of bio-tribocorrosion including fatigue and wear corrosion Examines biological effects on bio-tribocorrosion processes including interaction of proteins with metal surfaces

Bio tribocorrosion in biomaterials and medical implants

Bio tribocorrosion in biomaterials and medical implants Book
Author : J.J. Ryu,P. Shrotriya
Publisher : Elsevier Inc. Chapters
Release : 2013-09-30
ISBN : 0128089857
Language : En, Es, Fr & De

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Book Description :

This chapter discusses synergistic damage mechanisms of modular implants due to mechanical stimulus and electrochemical dissolution. The influences of contact loads, plastic deformation, residual stresses, and environmental conditions are focused to illustrate mechanisms of damage and dissolution. Fretting corrosion is the most prevalent phenomenon that degrades the mechanical and chemical properties of implant materials. It has been explained as an alternating process of fracture and unstable growth of metal oxide film during fatigue contact motion in the corrosive environment. Stress-dependent electrochemical dissolution has also been identified as one of the key mechanisms governing surface degradation in fatigue contact and crevice corrosion of biomedical implants. This damage mechanism incorporates contact-induced residual stress development and stress-assisted dissolution. Understanding of the corrosion damage mechanism of metallic implants is very important in predicting the useful life of implants and optimizing the design of orthopedic implants.

Bio tribocorrosion in biomaterials and medical implants

Bio tribocorrosion in biomaterials and medical implants Book
Author : S. Affatato,L. Grillini
Publisher : Elsevier Inc. Chapters
Release : 2013-09-30
ISBN : 0128089849
Language : En, Es, Fr & De

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Book Description :

Wear can be defined as a process where interaction between two surfaces or bounding faces of solids within the working environment results in dimensional loss of one solid, with or without any actual decoupling and loss of material. Wear may accelerate corrosion that involves chemical or electrochemical reactions between materials. Both these phenomena fall under the broader category of tribocorrosion. The interactions of mechanical loading and chemical/electrochemical reactions that occur between the elements of a tribological system exposed to biological environments constitute bio-tribocorrosion science.

Bio tribocorrosion in biomaterials and medical implants

Bio tribocorrosion in biomaterials and medical implants Book
Author : R.J.K. Wood,M.R. Thakare
Publisher : Elsevier Inc. Chapters
Release : 2013-09-30
ISBN : 0128089881
Language : En, Es, Fr & De

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Book Description :

The tribological performance of implant materials within the body where the pH can vary between 7.4 and 4.0, depending on whether the joint is infected or not, is extremely harsh and varies significantly from that experienced in other engineering environments. Three wear mechanisms that affect biomedical and, in particular, orthopaedic implants are regularly reported. These are adhesion, abrasion and fatigue. The wear mechanisms in biomedical implants, particularly hip joints, are reported to be a function of the following variables: type of materials used, contact stresses, lubricants and clearance, surface hardness and roughness, type of articulation due to motion, number of cycles, solution particle count and distribution, and tribocorrosion.

Bio tribocorrosion in biomaterials and medical implants

Bio tribocorrosion in biomaterials and medical implants Book
Author : J. Geringer,K. Kim,J. Pellier,D.D. Macdonald
Publisher : Elsevier Inc. Chapters
Release : 2013-09-30
ISBN : 0128089865
Language : En, Es, Fr & De

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Book Description :

Two materials (one being metal) under slight relative motion in a liquid medium are subjected to fretting corrosion. This chapter is dedicated to studying fretting corrosion of implants. After describing the most significant implants subjected to fretting, fretting corrosion is defined. Fretting corrosion is a particular degradation mechanism; it highlights the key role of passive film, crevice corrosion, etc. For demonstrating the electrochemical effect of the fretting corrosion of metal, some investigations are presented at free corrosion potential and at applied potential to measure the specific current density. Moreover, the role of proteins is investigated because they constitute the biological environment and thus play a significant role in fretting corrosion processes. Finally, results from atomic force microscopy (AFM) show the particular debris, size about 100nm. The problem of debris influence is discussed.

Bio tribocorrosion in biomaterials and medical implants

Bio tribocorrosion in biomaterials and medical implants Book
Author : P. Silva-Bermudez,G. Ramirez,S.E. Rodil
Publisher : Elsevier Inc. Chapters
Release : 2013-09-30
ISBN : 0128089946
Language : En, Es, Fr & De

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Book Description :

In this chapter, a general overview of current dental implants is presented, identifying weak points where improvements can be made. Particular importance is given to the surface properties of materials susceptible to modifications for improving the biological response for the specific application. Then, the concepts and techniques relevant for the evaluation of the physico-chemical properties and the protein adsorption, biocompatibility, bioactivity and biofilm formation are described. The chapter describes a particular method to modify the chemical and physical properties of materials, known as magnetron sputtering. Finally, an example using Nb2O5 coatings is presented, where also corrosion resistance and adhesion results are included.

Bio tribocorrosion in biomaterials and medical implants

Bio tribocorrosion in biomaterials and medical implants Book
Author : P. Ponthiaux,R. Bayon,F. Wenger,J.-P. Celis
Publisher : Elsevier Inc. Chapters
Release : 2013-09-30
ISBN : 0128089970
Language : En, Es, Fr & De

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Book Description :

Articulating systems are complex mechanical systems operating under sliding, rotation, slip, vibrations, weight bearing, and loading conditions. A problem in mechanical systems is the occurrence of tribocorrosion, involving a synergism between corrosion and mechanical wear, and causing increased material degradation. A tribocorrosion protocol allowing separation of the mechanical, corrosive and synergetic contributions to the total loss of material is described, based on electrochemical measurements performed before and during unidirectional sliding. As a case study, the protocol is implemented to test the tribocorrosion resistance of CoCrMo alloys under sliding. The different components of the total wear related to corrosive and mechanical contributions are calculated.

Bio tribocorrosion in biomaterials and medical implants

Bio tribocorrosion in biomaterials and medical implants Book
Author : L.A. Rocha,F. Oliveira,H.V. Cruz,C. Sukotjo,M.T. Mathew
Publisher : Elsevier Inc. Chapters
Release : 2013-09-30
ISBN : 0128089938
Language : En, Es, Fr & De

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Book Description :

In the oral cavity, materials (including our natural teeth) are exposed to a complex environment, which results in simultaneous mechanical, electrochemical, and microbiological solicitations. Therefore, bio-tribocorrosion is an important cause of degradation of dental materials leading to functional and/or biological detrimental effects due to an increased release of metallic ions and wear debris. This chapter describes the main bio-tribocorrosion phenomena that occur in the oral environment, and discuss the main parameters related to both the materials and the environment affecting bio-tribocorrosion in dental applications.

Bio tribocorrosion in biomaterials and medical implants

Bio tribocorrosion in biomaterials and medical implants Book
Author : M.T. Mathew,M.A. Wimmer
Publisher : Elsevier Inc. Chapters
Release : 2013-09-30
ISBN : 0128089962
Language : En, Es, Fr & De

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Book Description :

During the last few years, tribocorrosion evaluation of artificial joints has become an attractive research area for biomedical scientists and medical professionals. This particular field of study deals with a complex artificial human joint system and many unknown parameters. In this chapter an attempt is made through the perspective of a clinician to bring some insights into this area of research. This chapter addresses the basic tribocorrosion aspects of artificial joints and their clinical implications, beginning with clinical problems, cell responses to the presence of metal particles and ions, and evidence of tribocorrosion from retrieved implants. Then comparisons are made between in vivo and in vitro test conditions, and the complex nature of in vivo joint conditions is discussed. Finally, novel case studies (influence of protein and environment, evidence of synergistic interactions between corrosion and wear) on the research of tribocorrosion of metal-on-metal (MoM) hip joints are also included.

Bio tribocorrosion in biomaterials and medical implants

Bio tribocorrosion in biomaterials and medical implants Book
Author : C. Valero Vidal,A. Igual Muñoz
Publisher : Elsevier Inc. Chapters
Release : 2013-09-30
ISBN : 012808992X
Language : En, Es, Fr & De

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Book Description :

The influence of protein adsorption on the corrosion behavior of surgical metallic biomaterials is presented in this chapter. The protein structure and the metal ion binding phenomenon are described as the first steps in establishing the degradation mechanisms of biomaterials in body fluids. In addition, the main corrosion mechanisms and the effect of proteins on their thermodynamic and kinetic properties are also considered. Finally, experimental electrochemical techniques used for studying the role of proteins in the degradation mechanisms of implants are analyzed. Future challenges in this field are discussed at the end of the chapter.

Bio tribocorrosion in biomaterials and medical implants

Bio tribocorrosion in biomaterials and medical implants Book
Author : Y. Takakubo,A. Berce,R. Trebše,Y. Tamaki,I. Milošev,A. Al-Samadi,V.-M. Tiainen,null Orton,Y.T. Konttinen
Publisher : Elsevier Inc. Chapters
Release : 2013-09-30
ISBN : 0128089873
Language : En, Es, Fr & De

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Book Description :

Total joint replacement (TJR) is one of the success stories of modern medicine, which has reliably provided dramatic pain relief and improved the quality of life for several million patients with a destructive end-stage joint disease. However, the main long-term complication of TJR surgery is prosthetic loosening, often combined with osteolysis following wear, corrosion and failure of the implant. Over the past decade, the biological interactions between various types of wear particles and metal ions from metal-on-polyethylene (MoPE), metal-on-metal (MoM) and ceramic-on-ceramic (CoC) implants, endogenous danger signals (alarmins) and/or bacterial components of the microbiome with the innate and adaptive host defence (immune) system, have become better known. In this chapter, we discuss the role of biomaterials and implant-derived wear and corrosion debris in loosening of TJRs, with particular emphasis on MoM total hip replacements (THR) and hip resurfacing arthroplasty (HRA).

Bio tribocorrosion in biomaterials and medical implants

Bio tribocorrosion in biomaterials and medical implants Book
Author : S. Palaniappan,M. Peumans,B. van Meerbeek,,P. Lambrechts
Publisher : Elsevier Inc. Chapters
Release : 2013-09-30
ISBN : 012808989X
Language : En, Es, Fr & De

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Book Description :

In vitro and clinical methods providing data to obtain the wear equations and models for dental composites are summarized. The general criticism about wear equations being less beneficial for practical use for wear prediction is discussed. In general, the objective of this chapter is to find not an alternative to the existing predictive models, but a way of correlating clinical wear observations and results of in vitro models to establish clinical corroboration for the predictive wear models. For future work, analysis of wear patterns in retrieved restorations and artificial neural networks for wear prediction are proposed.

Bio tribocorrosion in biomaterials and medical implants

Bio tribocorrosion in biomaterials and medical implants Book
Author : A. Almaguer-Flores
Publisher : Elsevier Inc. Chapters
Release : 2013-09-30
ISBN : 0128089911
Language : En, Es, Fr & De

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Book Description :

This chapter first describes the formation, properties, and composition of oral biofilms that can cause periodontal diseases and also serious problems on metallic devices such as dental implants. It includes a description of studies regarding some factors that can influence biofilm formation on a biomaterial surface, such as chemical composition, surface energy, hydrophilicity, and topography. Finally, the chapter points out the importance of understanding the mechanisms of biofilm formation on different biomaterial surfaces, in order to control and prevent the formation of these structures and ensure the long-term successful life of biomedical devices such as dental implants.

Biomaterials and Medical Device Associated Infections

Biomaterials and Medical Device   Associated Infections Book
Author : L Barnes,Ian Cooper
Publisher : Elsevier
Release : 2014-11-21
ISBN : 0857097229
Language : En, Es, Fr & De

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Book Description :

Despite advances in materials and sterilisation, patients who receive biomaterials of medical device implants are still at risk of developing an infection around the implantation site. This book reviews the fundamentals of biomaterials and medical device related infections and methods and materials for the treatment and prevention of infection. The first part of the book provides readers with an introduction to the topic including analyses of biofilms, diagnosis and treatment of infection, pathology and topography. The second part of the book discusses a range of established and novel technologies and materials which have been designed to prevent infection. Provides analysis of biofilms and their relevance to implant associated infections. Assesses technologies for controlling biofilms. Considers advantages and disadvantages of in vivo infection studies.

Regulatory Affairs for Biomaterials and Medical Devices

Regulatory Affairs for Biomaterials and Medical Devices Book
Author : Stephen F. Amato,Robert M. Ezzell Jr
Publisher : Elsevier
Release : 2014-10-27
ISBN : 0857099205
Language : En, Es, Fr & De

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Book Description :

All biomaterials and medical devices are subject to a long list of regulatory practises and policies which must be adhered to in order to receive clearance. This book provides readers with information on the systems in place in the USA and the rest of the world. Chapters focus on a series of procedures and policies including topics such as commercialization, clinical development, general good practise manufacturing and post market surveillance. Addresses global regulations and regulatory issues surrounding biomaterials and medical devices Especially useful for smaller companies who may not employ a full time vigilance professional Focuses on procedures and policies including risk management, intellectual protection, marketing authorisation, university patent licenses and general good practise manufacturing

Bioinspired Materials for Medical Applications

Bioinspired Materials for Medical Applications Book
Author : Lígia Rodrigues,Manuel Mota
Publisher : Woodhead Publishing
Release : 2016-09-24
ISBN : 0081007469
Language : En, Es, Fr & De

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Book Description :

Bioinspired Materials for Medical Applications examines the inspiration of natural materials and their interpretation as modern biomaterials. With a strong focus on therapeutic and diagnostic applications, the book also examines the development and manipulation of bioinspired materials in regenerative medicine. The first set of chapters is heavily focused on bioinspired solutions for the delivery of drugs and therapeutics that also offer information on the fundamentals of these materials. Chapters in part two concentrate on bioinspired materials for diagnosis applications with a wide coverage of sensor and imaging systems With a broad coverage of the applications of bioinspired biomaterials, this book is a valuable resource for biomaterials researchers, clinicians, and scientists in academia and industry, and all those who wish to broaden their knowledge in the allied field. Explores how materials designed and produced with inspiration from nature can be used to enhance man-made biomaterials and medical devices Brings together the two fields of biomaterials and bioinspired materials Written by a world-class team of research scientists, engineers, and clinicians

Tribocorrosion

Tribocorrosion Book
Author : Arpith Siddaiah,Rahul Ramachandran,Pradeep Menezes
Publisher : Academic Press
Release : 2021-04-27
ISBN : 0128189177
Language : En, Es, Fr & De

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Book Description :

Tribocorrosion: Fundamentals, Methods, and Materials provides a balanced coverage of recent advancements in both experimental and computational areas of tribocorrosion, covering the basic concepts of tribology and electrochemistry, as well as testing set-ups, protocols, electrochemical methods, and more. It outlines experimental methods, demonstrating the different effects of material loss due to mechanical and electrochemical actions and looks at their effects in applied automotive, aerospace and biomedical settings. Standard testing protocols, tribocorrosion mechanisms in sliding contacts, and modeling and simulation techniques are all covered at length, as is bio-tribocorrosion and the best ways to prevent it. Provides a complete overview of tribocorrosion testing, experimentation and modeling methods that in turn empower safer, environmentally-friendlier and cost-saving applications Balances experimental and computational methods, thus encouraging readers to define and develop experimental and investigative techniques specific to their tribo-system of interest Covers tribocorrosion behavior in passive and non-passive metals and alloys, coatings, modified surfaces, metal matrix composites, and more

Biomaterials and Regenerative Medicine in Ophthalmology

Biomaterials and Regenerative Medicine in Ophthalmology Book
Author : Traian Chirila,Damien Harkin
Publisher : Woodhead Publishing
Release : 2016-04-23
ISBN : 0081001843
Language : En, Es, Fr & De

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Book Description :

Biomaterials and Regenerative Medicine in Ophthalmology, Second Edition, focuses on an aging population and the increasing instances of eye diseases. Biomaterials continue to be used for numerous medical devices for the restoration of eyesight, improving many patients’ quality of life. Consequently, biomaterials and regenerative medicine are becoming increasingly important to the advances of ophthalmology and optometry. This book provides readers with an updated and expanded look at the present status and future direction of biomaterials and regenerative medicine in this important field. Provides an integral and significant exploration of biomaterials and regenerative medicine, presenting crucial advances made in the fields of ophthalmology and optometry, such as the development of intraocular lenses and new applications for contact lens Presents a new and updated look at the future direction of biomaterials and regenerative medicine in this field Comprehensive coverage in a range of fields, including hydrogels, corneal tissue engineering, and stem cell therapies for the restoration of the ocular surface

Silk Biomaterials for Tissue Engineering and Regenerative Medicine

Silk Biomaterials for Tissue Engineering and Regenerative Medicine Book
Author : Subhas Kundu
Publisher : Elsevier
Release : 2014-03-24
ISBN : 0857097067
Language : En, Es, Fr & De

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Book Description :

Silk is increasingly being used as a biomaterial for tissue engineering applications, as well as sutures, due to its unique mechanical and chemical properties. Silk Biomaterials for Tissue Engineering and Regenerative Medicine discusses the properties of silk that make it useful for medical purposes and its applications in this area. Part one introduces silk biomaterials, discussing their fundamentals and how they are processed, and considering different types of silk biomaterials. Part two focuses on the properties and behavior of silk biomaterials and the implications of this for their applications in biomedicine. These chapters focus on topics including biodegradation, bio-response to silk sericin, and capillary growth behavior in porous silk films. Finally, part three discusses the applications of silk biomaterials for tissue engineering, regenerative medicine, and biomedicine, with chapters on the use of silk biomaterials for vertebral, dental, dermal, and cardiac tissue engineering. Silk Biomaterials for Tissue Engineering and Regenerative Medicine is an important resource for materials and tissue engineering scientists, R&D departments in industry and academia, and academics with an interest in the fields of biomaterials and tissue engineering. Discusses the properties and applications of silk for medical purposes Considers pharmaceutical and cosmeceutical applications