Tribological Measurements On A Charnley Type Artificial Hip Joint
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Tribological Measurements On A Charnley Type Artificial Hip Joint
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Author :
language : en
Publisher:
Release Date : 1983
Tribological Measurements On A Charnley Type Artificial Hip Joint written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983 with categories.
Tribological Measurements On A Charnley Type Artificial Hip Joint
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Author : National Aeronautics and Space Administration (NASA)
language : en
Publisher: Createspace Independent Publishing Platform
Release Date : 2018-08-14
Tribological Measurements On A Charnley Type Artificial Hip Joint written by National Aeronautics and Space Administration (NASA) and has been published by Createspace Independent Publishing Platform this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-08-14 with categories.
A total hip simulator was used to determine the friction and wear properties of Charnley-type (316L stainless steel balls and sterile ultrahigh molecular weight polyethylene cups) hip prostheses. Three different sets of specimens were tested to 395,000, 101,500 and 233,000 walking cycles, respectively. All tests were run unlubricated, at ambient conditions (22 to 26 C, 30 to 50 percent relative humidity), at 30 walking cycles per minute, under a dynamic load simulating walking. Polyethylene cup wear rates ranged from 1.4 to 39 ten billions cu m which corresponds to dimensional losses of 4.0 to 11 microns per year. Although these wear rates are lower than those obtained from other hip simulators and from in vivo X-ray measurements, they are comparable when taking run-in and plastic deformation into account. Maximum tangential friction forces ranged from 93 to 129 N under variable load (267 to 3090 N range) and from 93 to 143 N under a static load of 3090 N. A portion of one test 250,000 walking cycles) run under dry air ( 1 percent relative humidity) yielded a wear rate almost 6 times greater than that obtained under wet air ( 70 percent relative humidity) conditions. Jones, W. R., Jr. Glenn Research Center NASA-TM-83440, E-1501, NAS 1.15:83440 RTOP 505-32-42...
Tribology In Total Hip Arthroplasty
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Author : Karl Knahr
language : en
Publisher: Springer Science & Business Media
Release Date : 2011-07-21
Tribology In Total Hip Arthroplasty written by Karl Knahr and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-07-21 with Medical categories.
During the 2010 EFORT Congress in Madrid, many interesting topics relating to tribology in total hip arthroplasty were discussed during a special day devoted entirely to the subject. So successful was the day, and such was the broad interest in the discussions, that EFORT decided that publication of all the presentations would be warmly welcomed by fellow professionals who were unable to attend. This book is the result. It includes detailed information on the different articulating materials and the wear to which they are subject. The various factors that contribute to bearing performance and control wear are thoroughly evaluated, and careful consideration is given to the technology and design solutions proposed with a view to producing low-wearing hip joints. This book will be of interest both to novices who want to learn more about the field and to experienced orthopaedic surgeons wishing to keep abreast of the latest developments.
Tribology Of Natural And Artificial Joints
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Author : J.H. Dumbleton
language : en
Publisher: Elsevier
Release Date : 1981-01-01
Tribology Of Natural And Artificial Joints written by J.H. Dumbleton and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 1981-01-01 with Technology & Engineering categories.
Tribology of Natural and Artificial Joints
Tribology And Biophysics Of Artificial Joints
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Author : Pinchuk
language : en
Publisher: Elsevier Science
Release Date : 2006-01-05
Tribology And Biophysics Of Artificial Joints written by Pinchuk and has been published by Elsevier Science this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-01-05 with Science categories.
Joint endoprosthetics - the science of implanting artificial joints into the human body - has been around since the 1960's, and consistent advancements are leading to better practice, materials and mechanics. The present book is devoted to the biophysics and effect of wear, friction and lubrication on artificial joints. The important aspects of biocompatibility and wear resistance are reviewed and a retrospective analysis of modern joint endoprosthetic designs is presented. Data on clinical aspects of endoprosthetics are cited in support of the text. Advancements in genetic engineering, and promising new techniques of designing bone and cartilage transplants are explored, and a critical comparison between tribological mechanisms of operation and natural joint functioning are made. An exceptional resource for all specialists in orthopedy, biophysics, immunology and engineers engaged in developing artificial joints.
Tribological Characteristics Of A Composite Total Surface Hip Replacement
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Author : William R. Jones
language : en
Publisher:
Release Date : 1982
Tribological Characteristics Of A Composite Total Surface Hip Replacement written by William R. Jones and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1982 with Artificial hip joints categories.
Biotribology Of Artificial Hip Joints
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Author : Binnur Sagbas
language : en
Publisher:
Release Date : 2016
Biotribology Of Artificial Hip Joints written by Binnur Sagbas and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016 with Technology categories.
Tribology is the science of interacting surfaces; when these surfaces are in a biological system, it is called as biotribology. With the increasing rate of joint replacement operations and need for artificial prosthesis, biotribology is becoming a very important and rapidly growing branch of tribology. Based on this fact, in this chapter, basic tribological concepts are presented in terms of friction, lubrication, and wear; then with these fundamental backgrounds the biotribological behavior of natural and artificial hip joints are discussed in detail. Moreover, material pairs that are used in artificial joint replacements and the application of surface modification for the enhancement of the tribological properties of these materials are handled. Furthermore, the determination of tribological behavior of joint materials such as wear, coefficient of friction, friction torque, and frictional heating by using conventional techniques and hip joint simulator are discussed. Finally, the measurement and analysis of wear in both retrieved prosthesis and experimental studies are discussed referring the latest research articles.
Friction Lubrication And Wear Of Artificial Joints
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Author : Ian M. Hutchings
language : en
Publisher: John Wiley & Sons
Release Date : 2003-02-14
Friction Lubrication And Wear Of Artificial Joints written by Ian M. Hutchings and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003-02-14 with Technology & Engineering categories.
Tribology has been central to the development of this field of engineering and Friction, Lubrication, and Wear of Artificial Joints brings together the work of the foremost authorities. Recent key work, particularly on hip and knee replacement prostheses form the major part of this book. Artificial joint technology, clinical practice, and the monitoring of on-going wear in use have progressed by leaps and bounds in the last few years. Medical research engineers, tribology specialists, and materials technologists each play an important role in ensuring that this marriage of engineering and medicine delivers the best possible outcome for the patients who receive the implants. Contents of this book include: Biotribology - A personal view The influence of component geometry on the measurement of wear A tribological study of metal-on-metal total replacement hip joints The lubrication and friction of conventional UHMWPE, novel compliant layer and hard bearing surfaces for use in total hip prostheses Prediction of lubricating film thickness in UHMWPE hip joint replacements Wear of ceramic-on-ceramic hip prostheses under micro-separation simulation conditions Friction and wear testing of DLC type coatings on total hip replacement prostheses Simulator testing of total knee replacement A new measurement method for wear scars generated with knee simulators
Alternative Bearing Surfaces In Total Joint Replacement
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Author : Joshua J. Jacobs
language : en
Publisher: ASTM International
Release Date : 1998
Alternative Bearing Surfaces In Total Joint Replacement written by Joshua J. Jacobs and has been published by ASTM International this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with Artificial hip joints categories.
Contains 18 papers presented at the Symposium on Alternative Bearing Surfaces in Total Joint Replacement, held in San Diego, California, in November 1997. Focus is on development and utilization of alternative bearing surfaces in orthopedics and prosthetics to mitigate the effects of particulate pol
Tribology In Total Hip And Knee Arthroplasty
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Author : Karl Knahr
language : en
Publisher: Springer Science & Business
Release Date : 2014-04-23
Tribology In Total Hip And Knee Arthroplasty written by Karl Knahr and has been published by Springer Science & Business this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-04-23 with Medical categories.
Wear and osteolysis are still the most important potential problems in total hip and knee arthroplasty. Although technology in arthroplasty has been improved dramatically during the past decade, the clinical data relating to some implants reveal that many concerns remain. During the “Tribology Day” within the scientific programme of the 2013 EFORT Congress in Istanbul, the main topics included these concerns as well as the benefits of the materials most commonly used in total hip and knee arthroplasty. This book includes the presentations delivered on the day and covers a range of interesting issues regarding metal, ceramic, and polyethylene articulations. It provides information on the current concepts relating to tribology in total hip arthroplasty and offers a critical outlook on possible improvements in total knee arthroplasty.