相关实验视频

Updated: Jul 10, 2025

Using Q Suture to Enhance Resistance to Gap Formation and Tensile Strength of Repaired Flexor Tendons

Using Q Suture to Enhance Resistance to Gap Formation and Tensile Strength of Repaired Flexor Tendons

Published on: June 3, 2020

关于激光接破裂的flexor digitorum longus肌的机械性能和热损伤的实验研究

Jun Huang¹, Jinjin Wu¹, Yuxin Chen¹

¹School of Material Science and Technology, Nanjing University of Science and Technology, Nanjing, China.

Journal of biophotonics

|November 27, 2023

概括

这项研究优化了肌接的激光参数,发现5W功率和150mm/s的速度产生了具有0.61MPa抗拉强度和高原含量的强大,可活性的组织.

科学领域:

生物医学工程生物医学工程
材料科学材料科学材料科学
组织工程是组织工程.

背景情况:

肌损伤需要有效的修复方法.
激光接为组织近似提供了精确,最少侵入性的方法.
优化激光参数对于保持组织完整性和功能至关重要.

研究的目的:

为了确定接肌组织的最佳激光参数.
评估这些参数对组织抗拉强度,微观结构和原含量的影响.
为了尽量减少激光辅助肌修复过程中细胞的热损伤.

主要方法:

在肌组织上进行了激光接实验.
测量了拉伸强度,微结构分析和原含量.
细胞活力被评估以量化热损伤.

主要成果:

确定了最佳参数:5W的激光功率,150mm/s的扫描速度,0mm的失焦.
实现了0.61MPa的抗拉强度,细胞失活率为23.78%.
切口附近的原蛋白含量为33.679%,其中存在I型和III型原蛋白.

结论:

特定的激光参数显著影响肌接结果.
确定了最佳设置平衡组织强度和细胞活力.
激光接在肌修复方面表现有前途,保留了关键的原成分.

关键词:

能量密度能量密度激光组织接激光组织接肌组织肌组织拉力强度拉力强度拉力强度热损伤热损伤热损伤

更多相关视频

Murine Flexor Tendon Injury and Repair Surgery

Murine Flexor Tendon Injury and Repair Surgery

Published on: September 19, 2016

Biomechanical Testing of Murine Tendons

Biomechanical Testing of Murine Tendons

Published on: October 15, 2019

相关概念视频

Mechanical Characteristics of Steel

Mechanical Characteristics of Steel

The mechanical characteristics of steel are assessed through various tests that evaluate its strength, toughness, and flexibility. These tests include tension, torsion, impact, bending, and hardness assessments, each providing crucial information about steel's suitability for specific applications.
The tension test is fundamental for determining tensile strength. In this test, a steel specimen is stretched using a gripping device until it breaks. The data collected during this test are used...