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Updated: Jun 12, 2025

In situ Compressive Loading and Correlative Noninvasive Imaging of the Bone-periodontal Ligament-tooth Fibrous Joint

In situ Compressive Loading and Correlative Noninvasive Imaging of the Bone-periodontal Ligament-tooth Fibrous Joint

Published on: March 7, 2014

双皮层压缩和构建稳定性与可变位锁定螺丝在尸体标本.

Zachary A Koroneos^1,2, Shelby Alwine¹, Peter Tortora³

¹Department for Orthopaedics and Rehabilitation, Penn State College of Medicine, Hershey, PA.

Journal of orthopaedic trauma

|September 26, 2024

概括

可变位锁定螺丝在双皮固定中提供比标准螺丝更大的压缩. 然而,在骨骨折中,可变和标准锁定螺丝之间,负载下的结构稳定性是相似的.

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Minimally Invasive Treatment for Thoracolumbar Burst Fracture Using Sagittal Alignment Screws and A Trauma Reduction Device

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Surgical Fixation of Sternal Fractures: Preoperative Planning and a Safe Surgical Technique Using Locked Titanium Plates and Depth Limited Drilling

Surgical Fixation of Sternal Fractures: Preoperative Planning and a Safe Surgical Technique Using Locked Titanium Plates and Depth Limited Drilling

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Last Updated: Jun 12, 2025

In situ Compressive Loading and Correlative Noninvasive Imaging of the Bone-periodontal Ligament-tooth Fibrous Joint

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Minimally Invasive Treatment for Thoracolumbar Burst Fracture Using Sagittal Alignment Screws and A Trauma Reduction Device

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Surgical Fixation of Sternal Fractures: Preoperative Planning and a Safe Surgical Technique Using Locked Titanium Plates and Depth Limited Drilling

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Published on: January 5, 2015

科学领域:

整形外科手术整形外科手术
生物医学工程生物医学工程
创伤外科手术是什么

背景情况:

可变位锁定螺丝旨在增强骨科固定中的压缩和稳定性.
标准的锁定螺丝被广泛使用,但可能提供较少的压缩.
双皮层固定是稳定骨折的一个常见技术.

研究的目的:

为了比较通过可变距离锁定螺丝与标准锁定螺丝实现的断片间和板骨压缩.
在双皮固定场景中,评估使用可变距离与标准锁定螺丝的结构的生物力学稳定性.

主要方法:

使用了九对匹配的尸体远端骨和骨.
用可变和标准锁定螺丝测量压缩,以增加远部骨扭矩.
带有可变斜率或标准锁定螺丝的支柱结构经历了循环轴/扭转负荷和4点曲测试.

主要成果:

与标准螺丝相比,可变距离锁定螺丝在远距离骨中产生了明显更高的断片间和板骨压缩.
在骨结构的循环负荷中没有观察到轴或角位移的显著差异.
在四点曲中,可变和标准锁定螺丝结构之间的结构刚度和最大故障力是可比的.

结论:

与标准锁定螺丝相比,可变距离锁定螺丝在双皮固定中增强了压缩.
变速锁螺丝结构的生物力学稳定性类似于在外部负荷下稳定的双皮质长管固定模型中的标准锁螺丝结构.