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Author: J. Charnley Publisher: Springer Science & Business Media ISBN: 364267013X Category : Medical Languages : en Pages : 383
Book Description
The theme of this work is the application of the engmeermg theory of frictional torque to total hip replacement. The author adhered tenaciously to this theory, involving the use of a small-diameter femoral head, throughout the epoch when the large-diame ter, metal-to-metal design dominated the field. During that considerable period general satisfaction with the early results rendered criticisms of the large-diameter head unwelcome. There was a formidable array of counter criticism: the small head would pierce a film of synovial fluid; the small head would wear the socket too rapidly; the small head would always have a high risk of dislocation; detachment of the trochanter, to achieve precise orientation for the small head, was unacceptable. But all these objections have now been largely overcome. Lubrication of high molecular weight polyethylene (HMWP) on metal is now accepted as being mainly by the boundary regime with thick fluid films playing no part. We now know that HMWP can indeed tolerate the very high stresses imposed by the small head and in tribological theory there may even be some advantage in high stress. Dislocation is now known not to be an automatic sequel to the small head.
Author: J. Charnley Publisher: Springer Science & Business Media ISBN: 364267013X Category : Medical Languages : en Pages : 383
Book Description
The theme of this work is the application of the engmeermg theory of frictional torque to total hip replacement. The author adhered tenaciously to this theory, involving the use of a small-diameter femoral head, throughout the epoch when the large-diame ter, metal-to-metal design dominated the field. During that considerable period general satisfaction with the early results rendered criticisms of the large-diameter head unwelcome. There was a formidable array of counter criticism: the small head would pierce a film of synovial fluid; the small head would wear the socket too rapidly; the small head would always have a high risk of dislocation; detachment of the trochanter, to achieve precise orientation for the small head, was unacceptable. But all these objections have now been largely overcome. Lubrication of high molecular weight polyethylene (HMWP) on metal is now accepted as being mainly by the boundary regime with thick fluid films playing no part. We now know that HMWP can indeed tolerate the very high stresses imposed by the small head and in tribological theory there may even be some advantage in high stress. Dislocation is now known not to be an automatic sequel to the small head.
Author: B.M. Wroblewski Publisher: Springer ISBN: 3319213202 Category : Medical Languages : en Pages : 353
Book Description
This book reviews the principles and concepts underlying Professor Sir John Charnley’s original work Low Friction Arthroplasty of the Hip: Theory and Practice (Springer, 1979) in the light of more extensive clinical experience with results, incidence and indications for revisions highlighted throughout. The studies, combined with the examination of explanted components carried out with the backing of Universities, indicate the avenues for further research and the development and introduction of new ideas into clinical practice. The time span (1962 – 2015) involved has allowed a number of these very long-term studies not only to be brought to conclusion, but has given the benefit of their clinical application with meaningful results. This is not a sudden diversion into new and speculative areas of hip replacement surgery. It is a carefully collected, documented and executed work of the evolution of the Charnley low-frictional torque arthroplasty of the hip based on sound principles, supported by long-term studies with benefits derived.
Author: Charles Rivière Publisher: Springer Nature ISBN: 3030242439 Category : Medical Languages : en Pages : 346
Book Description
This open access book describes and illustrates the surgical techniques, implants, and technologies used for the purpose of personalized implantation of hip and knee components. This new and flourishing treatment philosophy offers important benefits over conventional systematic techniques, including component positioning appropriate to individual anatomy, improved surgical reproducibility and prosthetic performance, and a reduction in complications. The techniques described in the book aim to reproduce patients’ native anatomy and physiological joint laxity, thereby improving the prosthetic hip/knee kinematics and functional outcomes in the quest of the forgotten joint. They include kinematically aligned total knee/total hip arthroplasty, partial knee replacement, and hip resurfacing. The relevance of available and emerging technological tools for these personalized approaches is also explained, with coverage of, for example, robotics, computer-assisted surgery, and augmented reality. Contributions from surgeons who are considered world leaders in diverse fields of this novel surgical philosophy make this open access book will invaluable to a wide readership, from trainees at all levels to consultants practicing lower limb surgery
Author: Boguslaw M. Wroblewski Publisher: Springer Science & Business Media ISBN: 1447117883 Category : Medical Languages : en Pages : 231
Book Description
Revision surgery. A practical approach to problems and com- plications of total hip arthroplasty. Based on the study of long term results and operative techniques evolved over 20 years experience in this field of work.
Author: Munis Ashraf Publisher: ISBN: Category : Medicine Languages : en Pages :
Book Description
Total hip arthroplasty is one of the most successful operation to be done and is definitely a rewarding procedure for both the surgeon and the patient. Ever since 3 days of low friction arthroplasty by Sir John Charnley, there has been considerable interest in improvement in the knowledge of surgical techniques and hip biomechanics. Over the past two decades there has been an exponential increase in total hip replacements. Therefore strategies to simplify the procedure and classifications to encounter difficulties in treatment plans were devised. It is imperative for consultants and trainees to be aware of these classifications systems which are helpful in pre op, intra op and postop planning.
Author: J. Charnley
Author: J. Charnley
Author: B.M. Wroblewski
Author: J. Charnley
Author: John Charnley
Author: Charles Rivière
Author: Boguslaw M. Wroblewski
Author: V S. PAI
Author: Munis Ashraf
Author: Nas Ser Eftekhar
Author: