نتایج جستجو برای: fracture criteria
تعداد نتایج: 349854 فیلتر نتایج به سال:
introduction criteria for starting weight-bearing on the heel with a symptomatic calcaneal insufficiency fracture have not yet been reported. case presentation we describe a rare case of a 52-year-old woman with a calcaneal insufficiency fracture who sustained a second ipsilateral calcaneal insufficiency fracture within a short time span. the initial fracture was not evident radiographically, b...
In several practical cases, the ultimate ductile fracture strain determined with tensile test is accepted as a material plasticity measure 1 . In this case, the plasticity has to be defined as an ability of a material to accommodate high permanent strains until fracture appears where this strain reaches certain value called ultimate fracture strain p. The strain value until fracture depends not...
Limited data are available on the incidence of complex regional pain syndrome type 1 (CRPS1) and on demographic and medical risk factors for the development of CRPS1. The objective of this study was to investigate the incidence of CRPS1 in patients with a fracture using 3 sets of diagnostic criteria and to evaluate the association between demographic/medical factors and the development of CRPS1...
Peridynamics (PD) is a nonlocal continuum theory based on integro-differential equations without spatial derivatives. The elongation fracture criterion is implicitly incorporated in the PD theory, and fracture is a natural outcome of the simulation. On the other hand, a new fracture criterion based on the crack opening displacement combined with peridynamic (PD-COD) is proposed. When the relati...
because of high strength to weight ratio, 6061 aluminum has many applications in different industries like automotive and aerospace industries and can help to reduction of fuel consumption. forming limit diagram (fld) is a useful method for sheet metal formability identification. whereas calculation of forming limit diagram by experimental tests is expensive and time consumption, in the present...
Background and objective: Open tibial fracture with or without bone loss in gustilo Anderson type IIIA and IIIB has been a challenge for most orthopaedic surgeons. Open tibial fracture is more prone for infection, non union and longer morbidity. In this study, we have evaluated the results of 34 patients with open tibial fracture GA type IIIA and IIIB by Ilizarov method in retrospective manner....
Background: Rotational deformity after intramedullary nailing is a well-known complication. Femoral malrotation is the most common form of mal::::union:::: but it is underrecognized in part because of the difficulty in accurately assessing rotation as well as the variation that exists in normal anatomy. The aim of this study was to evaluate femoral malrotation following intramedullary nailing o...
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