نتایج جستجو برای: induced fractures
تعداد نتایج: 1037330 فیلتر نتایج به سال:
استهسال انرژی ایجاد شده بر اثر ارتعاش ناشی از گردابه ها (vortex induced vibrations for aquatic clean energy) یا بطور مختصر vivace روشی نوین برای تولید انرژی پاک از جریان سیالات است.در این روش عبور جریان از اطراف یک استوانه باعث ایجاد ارتعاش شده و نیروی مورد نیاز برای حرکت دادن یک مولد الکتریکی را فراهم می آورد.
Background: Thoracolumbar spinal fractures include a range of injuries of various severities from simple apophysealfractures to neurological injury and complex fractures associated with vertebral dislocation. The treatment ofthoracolumbar fractures is challenging, especially due to the difficulty of evaluating the posterior ligamentous complex(PLC). The purpose of this study w...
Background: Humerus fractures include 5% to 8% of total fractures. Non-union and delayed union of GT (GT) fractures is uncommon; however they present a challenge to the orthopedic surgeons. Significant controversy surrounds optimal treatment of neglected fractures. The purpose of this article was to perform a comparative study to evaluate the outcomes of open reduction and internal fixatio...
Background: Little is known about trends and predictors of hardware related infection following open reduction and internal fixation (ORIF) of extremity fractures, one of the major causes of failure following ORIF. The present study was designed and conducted to determine trends and predictors of infection-related hardware removal following ORIF of extremities using a nationally representative...
Background & Aims: The maxillofacial fractures have shown an increasing trend. Hence, in this study, the trend of maxillofacial fractures is studied and their corresponding etiologies are analyzed in patients referring to Imam Khomeini hospital. Materials & Methods: In a descriptive cross-sectional design, 637 medical documents of patients with maxillofacial fractures who referred to Imam Kh...
Abstract Recent researches have proposed the use of enhanced geothermal system reservoirs consisting dense networks microfractures, created by hydraulic and/or thermal fracturing in superhot/supercritical environments, because their suitability for energy harvesting. During and extraction, fracture are exposed to cooling due injection cold fluid into reservoirs. Previous studies showed such res...
background: mal::::union:::: is the most common complication following distal radius fractures. aim of this study was to evaluate the results of distal radius corrective osteotomy and plate fixation by dorsal approach in the mal::::union::::. methods: in this retrospective study, 14 patients with neglected distal radius mal::::union:::: from 2005 to 2011 were studied. all patients were treated ...
patients and methods sixty elderly patients with intertrochanteric fractures were randomized for treatment with either skeletal traction (group a) or an external fixation (group b). in this study patients at least 60 years of age, with ao/ota a1 or a2 type fracture and intertrochanteric fracture as a result of minor trauma, were enrolled. results acceptable reduction was achieved in eight and 2...
background: supracondylar fracture of the humerus is the second most common fracture in children. for most cases closed reduction and percutaneous crossed pinning is recommended. those patients who had previously undergone an unsuccessful closed reduction trial need open reduction and pin fixation, but the best surgical approach is questionable. most surgeons apply the technique of posterior or...
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