نتایج جستجو برای: hip implants
تعداد نتایج: 115741 فیلتر نتایج به سال:
Silver coating has demonstrated good antimicrobial activity and low toxicity. Silver-coated megaprostheses have been introduced in oncological musculoskeletal surgery considering the high rate of infection. We conducted a retrospective analysis on 68 cases of primary or metastatic bone tumors, affecting the proximal femur, treated between 2005 and 2016 with wide margins resection and tumor impl...
Metal ion measurement as a diagnostic tool to identify problems with metal-on-metal hip resurfacing.
Introduction etal-on-metal bearings for hip replacement are gaining popularity as an alternative to the most widely used bearing couple of metal on polyethylene. The recent resurgence of hip resurfacing with the socalled third and fourth generations of hip resurfacing arthroplasty devices has played a substantial role in the wider use of metal-on-metal bearings. Concerns about the wear of polye...
Treatment of intertrochanteric hip fracture is based on patient medical condition, preexisting degenerative arthritis, bone quality, and the biomechanics of the fracture configuration. A critical review of the evidence-based literature demonstrates a preference for surgical fixation in patients who are medically stable. Stable fractures can be successfully treated with plate-and-screw implants ...
Metallic biomaterials have essentially three fields of use; these are the artificial hip joints, screw, plates and nails for internal fixation of fractures, and dental implants. Any of these devices must support high mechanical load and resistance of material against breakage is essential. High mechanical properties are needed for structural efficiency of surgical and dental implants. But their...
Dental implants have spread worldwide in dentistry. The risks and complications reported are limited to local issues. However, in this case, a patient complained of systemic symptoms after dental implantation. This case report aims to demonstrate that systemic symptoms such as lumbago, shoulder stiffness, neck pain, hip joint pain, and facial pain improved after the removal of wellosseointegrat...
The goal of this paper is to summarize and present the types of orthopaedic implants and hip prostheses, the biocompatible materials used and the conventional and unconventional processing technologies used to make them.
Background: Since wear component of prosthetic metal-polyethylene couple is directly related to the patient activity level, it is logical to advise operated patients against participation in long and strenuous physical activities. The purpose of this study was to compare the type, level, and frequency of sports activities performed after resurfacing hip arthroplasty (RH) or total hip arthroplas...
Short stemmed hip endoprostheses represent a relevant alternative to standard sized total hip stems. Especially in terms of bone stock preservation and minimal invasiveness the reduced length of such implants is beneficial. However, the smaller implant size is linked to a reduced surface geometry and thereby bone-implant-interface to provide implant stability. In order to evaluate the interfaci...
Failure of total hip arthroplasty through septic or aseptic loosening, periprosthetic fracture, or recurrent dislocation is well recognized and understood. We present an unusual cause of failure of total hip replacement which occurred on a 79 year old gentleman: that of prosthetic loosening secondary to malignant infiltration around components. Our aim is to highlight the fact that malignant in...
Systemic cobaltism related to metal-on-metal total hip arthroplasty has been published in case reports and series with effects on the cardiac, neurologic, endocrine, and immunologic systems. This case report presents a 46-year-old male who underwent bilateral metal-on-metal total hip arthroplasty and subsequently developed cardiomyopathy requiring left ventricular assist device implantation. In...
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