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Updated: Jan 8, 2026

An Anesthesia, Surgery, and Harvest Method for the Evaluation of Transpedicular Screws Using an In Vivo Porcine Lumbar Spine Model
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Published on: May 31, 2017

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联合实验和微有限元分析CF/PEEK脚螺丝拉出 CF/PEEK脚螺丝拉出

Dominic Mischler1, Matteo Frigelli2, Ivan Zderic1

  • 1AO Research Institute Davos, Switzerland.

Journal of the mechanical behavior of biomedical materials
|December 13, 2025
PubMed
概括

计算机模拟准确地预测了脚螺丝的拉出强度,这对于改善脊柱固定稳定性至关重要. 这种微有限元 (μFE) 模型验证了不同骨密度的螺丝性能,有助于设计更可靠的骨科植入物.

关键词:
实验数字验证验证显而易见的CF/PEEK.微有限元素的微有限元素.踏板螺丝螺丝是什么意思拉出故障的故障

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Unsymmetrical bending occurs when the bending moment applied to a structural member does not align with its principal axis. This misalignment leads to complex stress distributions and deflection patterns that differ from symmetrical bending, which are essential for designing structures to withstand different loading conditions.
Consider a member subjected to equal and opposite forces that are applied along a line that does not coincide with the member's neutral axis. In unsymmetrical...
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Normal Strain under Axial Loading

Normal strain under axial loading is an important concept in the field of mechanics of materials. Axial loading implies the application of a force along the axis of a material, like a column or bar. This force can either compress or stretch the material. In the context of axial loading, normal strain is the deformation experienced by the material in the direction of the loading force. It's calculated as the change in length divided by the original length of the material. This unitless ratio...
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Stresses under Combined Loadings01:23

Stresses under Combined Loadings

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Eccentric Loading01:16

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Eccentric loading is a crucial concept in the study of structural engineering and mechanics, particularly when analyzing the stability and stress distribution in columns. Unlike centric loading, where the force is applied along the centroidal axis, causing uniform compression, eccentric loading occurs when a force is applied off-center. This off-center application introduces not only direct compressive stress but also bending stress, significantly influencing the column's behavior under...
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