紧张装置的使用是否可以提高关节骨结构的固稳定性? 一个生物机械分析
Kyle D Paul1, Allen A Yazdi2, David M Sylvester2
1Department of Orthopaedic Surgery, University of Texas Health San Antonio, San Antonio, TX, USA.
Shoulder & elbow
|November 18, 2024
概括
使用紧张装置固定扣 (SB) 或带圈 (STC) 可以显著提高生物机械稳定性. 设备紧张减少了结构的位移,相比手紧张在状骨移植模型.
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
- 运动医学运动医学
背景情况:
- 前腺骨损失是肩部不稳定的常见挑战.
- 用骨移植增强是一种手术技术,用于恢复状腺体解剖学.
- 扣 (SB) 和带圈 (STC) 是在这些程序中使用的固定方法.
研究的目的:
- 量化SB和STC构造之间的生物力学稳定性差异.
- 为了比较手与器件紧张的前腺腺增强骨移植.
- 为了评估在循环负荷下结构位移.
主要方法:
- 人工骨块模拟了前腺缺陷.
- 用手或设备创建和紧张SB和STC结构.
- 使用阶梯协议应用循环负荷 (50-200 N).
- 构造位移是用毫米来衡量的.
主要成果:
- 与手工紧张相比,设备紧张显著减少了SB和STC的结构位移 (p < 0.001).
- 在100N以下的力下,设备张力SB和STC表现出相似的稳定性.
- 在100N以上,设备紧张的SB表现出明显小于设备紧张的STC的位移.
结论:
- 采用张力装置可增强SB和STC固定的生物机械稳定性.
- 设备的紧张导致结构的位移比手动的紧张要少.
- 紧张器件可以提高 suture 固定的整体稳定性.
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