نتایج جستجو برای: plate loading test
تعداد نتایج: 945515 فیلتر نتایج به سال:
PURPOSE To analyse the biomechanical characteristics of locking plates under cyclic loading compared to a nonlocking plate in a diaphyseal metacarpal fracture. METHODS Oblique diaphyseal shaft fractures in porcine metacarpal bones were created in a biomechanical fracture model. An anatomical reduction and stabilization with a nonlocking and a comparable locking plate in mono- or bicortical sc...
OBJECTIVES The aim of this study was to compare the mechanical resistance of four different osteosyntheses modeled in two different sagittal split ramus osteotomy (SSRO) designs and to determine the linear loading in a universal testing machine. MATERIALS AND METHODS An in vitro experiment was conducted with 40 polyurethane hemimandibles. The samples were divided into two groups based on oste...
Microfabricated capillary array electrophoresis (microCAE) microchannel plates are the next generation of bioanalytical separation devices. To fully exploit the capabilities of microCAE devices, supporting technology such as robotic sample loading, gel loading, microplate washing, and data analysis must be developed. Here, we describe a device for loading gel into radial capillary array electro...
objective: the present study was designed to investigate the analgesic effect of oral and i.p. administration of alcoholic viscum album (v.a) fruit extract as a rich source of alkaloid substances. materials and methods: experimented animals were divided into control and treatment groups. the treatment rats received different doses of the v.a fruit extract, which was prepared from alcoholic sma...
Using transcranial magnetic stimulation (TMS), we examined whether sensory input from a finger affects activity of the ipsilateral primary motor cortex (M1) when human subjects hold a virtual object bimanually and whether this ipsilateral activation varies under different contexts. Subjects used both index fingers to hold two plates, which were subjected to unpredictable pulling loads from torq...
The effects of pre-pressurization on blast-loaded reinforced rectangular aluminum plates were studied experimentally. In this study, small (0.508 x 0.609 x 0.0016 meter) clamped plates with rivet attached reinforcing members were used as a basic model of the fuselage skin of a commercial aircraft. Both un-pressurized and pre-pressurized plates (static pressure of 41.4 kPa (6.0 psi)) were consid...
The potential for monitoring the construction of post-tensioned concrete beams and detecting damage to the beams under loading conditions was investigated through an experimental program. First, embedded sensors were investigated that could measure pre-stress from the fabrication process to a failure condition. Four types of sensors were installed on a steel frame, and the applicability and the...
OBJECTIVES Secondary fracture healing is strongly influenced by the stiffness of the bone-fixator system. Biomechanical tests are extensively used to investigate stiffness and strength of fixation devices. The stiffness values reported in the literature for locked plating, however, vary by three orders of magnitude. The aim of this study was to examine the influence that the method of restraint...
The topic of this thesis is the investigation of the local states of stress resulting from the introduction of a v-notch in a coaxial circle on the pressurized surface of a circumferentially clamped plate subject to axisymmetric loading. The understanding of the fracture behavior of a component experiencing such a condition is of particular interest to the aerospace and defense industries where...
Background: The aim of this study was to compare the effect of standard (Adidas) and local (Nahrein) shoes on some biomechanical variables related to tibia stress fracture in healthy male recreational runners. Methods: Fifteen healthy men (mean age: 35±2.27 years, height: 180.93±5.39cm, and weight: 85.30±8.84kg) performed running with controlled velocity on ...
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