نتایج جستجو برای: head fixation devices
تعداد نتایج: 412868 فیلتر نتایج به سال:
This work presents some considerations on the hardware organization of the external memory in low-cost massively parallel systems and discusses a few basic criteria for the development of eecient algorithms. These criteria are illustrated with the help of a case study.
PURPOSE To compare the outcome following headless compression screw fixation versus radial head arthroplasty versus plate fixation for 3-part Mason types III or IV radial head fracture. METHODS Records of 25 men and 16 women aged 21 to 80 (mean, 43.3) years who underwent fixation using 2 to 3 2-mm cannulated headless compression screws (n=16), radial head arthroplasty (n=13), or fixation with...
In situ stabilization remains the standard of care in the treatment of stable slipped capital femoral epiphysis (SCFE). Screw placement perpendicular to the physis has shown satisfactory results with minimal complications. A prominent screw head may produce femoral acetabular impingement and pain after in situ fixation in severe SCFE. We performed a biomechanical study to establish whether scre...
A rare case of an irreducible elbow dislocation is described. We discuss the causes of irreducibility and the treatment options. Intraoperative assessment of joint stability, repair of the lateral collateral ligament and appropriate postoperative management led to an excellent 5-year outcome, obviating the need for an external fixator or a radial head replacement.
BACKGROUND The battlefields of the Global War on Terror have created unique demands on deployed surgical teams. Modern high-energy fragmentation devices often inflict complex head and neck injuries. This series analyzes the role of the head and neck surgical team during 3 separate single explosive events that led to civilian multiple casualty incidents (MCIs) treated at a military theater hospi...
INTRODUCTION Obturator hip dislocations with an associated osteochondral fracture of the femoral head are uncommon. The treatment of these injuries is challenging and the functional outcomes are poor. Though the injury pattern has been described previously in literature, there are few published reports regarding treatment options. This case report illustrates a novel technique for fixation and ...
We investigated coordinated movements between the eyes and head ("eye-head coordination") in relation to vision for action. Several studies have measured eye and head movements during a single gaze shift, focusing on the mechanisms of motor control during eye-head coordination. However, in everyday life, gaze shifts occur sequentially and are accompanied by movements of the head and body. Under...
BACKGROUND Elbow dislocations can be classified as simple or complex. Simple dislocations are characterized by the absence of fractures, while complex dislocations are associated with fractures of the radial head, olecranon, or coronoid process. The majority of patients with these complex dislocations are treated with open reduction and internal fixation (ORIF), or arthroplasty in case of a non...
study of cohesive devices in the textbook of english for the students of apsychology by rastegarpour
this study investigates the cohesive devices used in the textbook of english for the students of psychology. the research questions and hypotheses in the present study are based on what frequency and distribution of grammatical and lexical cohesive devices are. then, to answer the questions all grammatical and lexical cohesive devices in reading comprehension passages from 6 units of 21units th...
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