相关实验视频

Updated: Jul 13, 2025

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

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

Published on: November 8, 2024

通过横断断裂模型评估固定式部署装置,以产生有效的压缩

Cassio Ricardo Auada Ferringo¹, George Diggs², Daniel D Lewis³

¹Department of Small Animal Clinical Sciences, College of Veterinary Medicine, University of Tennessee, Knoxville, TN, United States of America.

|October 13, 2023

概括

这项研究发现,骨平面平整骨折 (TPLO) 具可以有效地压缩模拟的横断骨折. 使用AO电线拉紧器与TPLO具生成优越的压力负荷与针头持有器相比.

科学领域:

整形外科手术整形外科手术
生物机械工程生物机械工程
兽医手术兽医手术是一门兽医手术.

背景情况:

骨平平整骨切术 (TPLO) 是兽医骨科中常见的一种手术.
模拟横断骨折对于测试骨科植入物和技术至关重要.
实现适当的压缩对于骨折愈合和骨切除术的稳定性至关重要.

研究的目的:

为了量化由带有骨科线的TPLO产生的压力负荷.
将这些负载与有限接触动态压缩板 (LC-DCP) 所产生的负载进行比较.
在模拟骨折模型中评估骨科线的不同拉伸方法.

主要方法:

使用Delrin棒创建了一个模拟的横断骨折模型.
使用负载单元测量压缩负载.
使用带有18尺不钢线的TPLO具,由针头持有器或AO线拉紧器拉紧,产生负载.
此外,还使用带有负载螺丝的3.5毫米LC-DCP产生负载.
使用ANOVA和Tukey的测试进行了统计分析.

主要成果:

钢丝拉紧机产生了217 ± 16N的平均负荷,而针支架产生了148 ± 7N的平均负荷.
带有两个负载螺丝的LC-DCP产生了296±49N,优于TPLO机床.
带有AO电线拉紧器的TPLO具产生了比使用一个负载螺丝的LC-DCP更高的负载.
电线断裂发生在过度紧张时.

结论:

该TPLO具有效地产生压缩横断骨折和骨折.
使用AO电线拉紧器进行连续拉紧,比针头持有器产生更大的压力负荷.
带有两个螺丝的LC-DCP与TPLO杆系统相比,提供了更好的压缩.

更多相关视频

Creating Rigidly Stabilized Fractures for Assessing Intramembranous Ossification, Distraction Osteogenesis, or Healing of Critical Sized Defects

Creating Rigidly Stabilized Fractures for Assessing Intramembranous Ossification, Distraction Osteogenesis, or Healing of Critical Sized Defects

Published on: April 11, 2012

A Mini-Invasive Internal Fixation Technique for Studying Immobilization-Induced Knee Flexion Contracture in Rats

A Mini-Invasive Internal Fixation Technique for Studying Immobilization-Induced Knee Flexion Contracture in Rats

Published on: May 20, 2019

相关概念视频

Fractures: Bone Repair

Fractures: Bone Repair

Treatment for a fracture is based on the type of break, the bone affected, and the patient's age.
Minor fractures with no bone displacement are treated by immobilizing the fractured bone using a cast or splint. However, in the case of fractures with displaced bones, the broken bones are repositioned before immobilization to ensure successful healing without deformation and loss of function. The realignment of fractured bone ends is performed through a process called reduction. If the...