نتایج جستجو برای: design fixation

تعداد نتایج: 1009857  

Journal: :Spine 2016
Qunfeng Guo Mei Zhang Liang Wang Xuhua Lu Xiang Guo Bin Ni

STUDY DESIGN A retrospective comparative study. OBJECTIVE The aim of this study was to compare the outcomes of anterior screw fixation and posterior temporary-fixation in the treatment of Anderson-D'Alonzo type II odontoid fractures. SUMMARY OF BACKGROUND DATA Posterior C1-C2 temporary-fixation can spare the motion of C1-C2 in the treatment of odontoid fractures. However, it is unknown whet...

Journal: :The American journal of sports medicine 2011
Sebastian Siebenlist Andreas Lenich Arne Buchholz Frank Martetschläger Stefan Eichhorn Petra Heinrich Alexander Fingerle Stefan Doebele Gunther H Sandmann Peter J Millett Ulrich Stöckle Florian Elser

BACKGROUND Extramedullary cortical button-based fixation for distal biceps tendon ruptures exhibits maximum load to failure in vitro but cannot restore the anatomic footprint and has the potential risk for injury to the posterior interosseous nerve. HYPOTHESIS Double intramedullary cortical button fixation repair provides superior fixation strength to the bone when compared with single extram...

2013

In this paper we provide an extensive evaluation of fixation prediction and salient object segmentation algorithms as well as statistics of major datasets. Our analysis identifies serious design flaws of existing salient object benchmarks, called the dataset design bias, by over emphasising the stereotypical concepts of saliency. The dataset design bias does not only create the discomforting di...

Journal: :Journal of Computer Sciences Institute 2022

The subject of this study is to show the impact that applying universal design principles has on everyday work with web content for people visual impairments. first part an experiment using eye tracker, comparing effects high contrast or changing font size subjects' efficiency in performing simple tasks. second a survey feelings website strictly compliant and its counterpart containing noticeab...

2015
Kulwinder Singh Manjeet Singh Rakesh Gautam

Study Design: Prospective consecutive series. Objective: To evaluate the functional outcome of Surgical management of Tibial Plateau Fractures. Summary of Background data: Earlier there was great reluctance towards operative management of these fractures because of lack of proper implants and adequate fixation techniques. But now due to the better understanding of biomechanics of knee joint, ty...

Journal: :Spine 2002
Marcus Richter René Schmidt Lutz Claes Wolfhart Puhl Hans-Joachim Wilke

STUDY DESIGN Six different techniques for atlantoaxial fixation were biomechanically compared in vitro by nondestructive testing. OBJECTIVE To evaluate the immediate three-dimensional stability of a new atlas claw combined with transarticular screws and alternative techniques for transarticular screw fixation in comparison with established techniques. SUMMARY OF BACKGROUND DATA Posterior tr...

2017
Leyla Kansu Erdinç Aydın Hampar Akkaya Suat Avcı Nalan Akalın

BACKGROUND After resection, specimens are subjected to formalin fixation during histological processing. This procedure can result in tissue shrinkage, with the amount of shrinkage related to tissue composition and tissue type. AIMS To evaluate the shrinkage of nasal mucosa and cartilage tissue and compare differences in shrinkage after resection, after formalin fixation, and during microscop...

Background: Conventional fixation methods of posterior wall acetabular fractures feature the use of plating and lagscrews. However, fixation of posterior wall fractures with buttress plating alone offers potential advantages by avoidingthe hardware complications related to hardware placement through the wall fragment. The purpose of this study wasto examine if buttress plating...

Journal: :trauma monthly 0
abolfazl bagherifard bone and joint reconstruction research center, shafa orthopedic hospital, iran university of medical sciences, tehran, ir iran mahmoud jabalameli bone and joint reconstruction research center, shafa orthopedic hospital, iran university of medical sciences, tehran, ir iran hosseinali hadi bone and joint reconstruction research center, shafa orthopedic hospital, iran university of medical sciences, tehran, ir iran mohammad rahbar bone and joint reconstruction research center, shafa orthopedic hospital, iran university of medical sciences, tehran, ir iran mohammadreza minator sajjadi taleghani hospital research development unit, shahid beheshti university of medical sciences, tehran, ir iran; taleghani hospital research development unit, shahid beheshti university of medical sciences, tehran, ir iran. tel: +98-2133542008, fax: +98-2133542020 ali jahansouz bone and joint reconstruction research center, shafa orthopedic hospital, iran university of medical sciences, tehran, ir iran

conclusions in this case series study, the fixation of different types of tibial plateau fractures with 3.5 mm simple non-locking and non-precontoured plates was associated with acceptable clinical, functional, and radiographic outcomes. based on the advantages and costs of these plates, the authors recommend using 3.5 mm simple plates for different types of tibial plateau fractures. results th...

Journal: :surgery and trauma 0
reza rbdi assistant professor, department of pediatric orthopedics, faculty of medicine, birjand university of medical sciences, birjand, iran moein aboobakri emam reza hospital, birjand, iran

introduction: intramedullary nailing (imn) of high tibia fracture has some mechanical and biological advantages over the other form of fixation. however, valgus, apex anterior malalignment and anterior displacement of proximal fragment commonly occur after isolated imn fixation of proximal high tibia fracture. the purpose of this study is to determine the effectiveness of using 3.5-mm locking c...

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