经过修改的约翰内斯堡技术设定了标准 - - 优越的生物机械稳定性在胸管固定中
Johann Justus Fricke1, Tobias Schöbel2, Ric Meißner1,3
1Department of Orthopedic, Trauma, and Plastic Surgery, University of Leipzig, Liebigstraße 20, 04103, Leipzig, Germany.
概括
经过修改的约翰内斯堡技术提供了优越的胸管固定与罗马凉鞋和钱包弦方法相比. 这种增强的稳定性对于防止高风险创伤护理环境中的脱落至关重要.
科学领域:
- 生物医学工程 生物医学工程
- 创伤外科 手术 创伤外科
- 手术技巧 手术技巧
背景情况:
- 胸管脱离是胸部创伤中常见的一种危及生命的并发症.
- 有效的固定非常重要,特别是在紧急情况下和战斗伤亡护理.
- 对于现有的技术,仅有有限的比较生物力学数据.
研究的目的:
- 在生物力学上比较三种胸管固定技术的拉出强度:改性约翰内斯堡 (JO),罗马凉鞋 (RS) 和钱包绳 (PS).
- 评估管子尺寸和材料 (PVC与) 对固定稳定性的影响.
- 确定与每个技术相关的主要故障机制.
主要方法:
- 使用猪胸壁样本进行前性生物力学研究.
- 测试了三种固定技术 (JO,RS,PS) 在三种管子尺寸 (20,24,28 Fr) 和两种材料 (PVC,) 中.
- 进行了360个垂直负载到故障测试,测量了力和延伸.
主要成果:
- 经过修改的约翰内斯堡技术显示出明显更高的拉出强度比RS和PS (p < 0.0001).
- RS提供了比PS更大的稳定性 (p < 0.0001).
- 聚乙烯化物管提供了比管更大的拉出强度 (p = 0.01071). 裂是最常见的失败模式 (78.9%).
结论:
- 经过修改的约翰内斯堡技术为胸管固定提供了卓越的生物机械稳定性.
- 这种技术推用于高风险环境,以最大限度地减少脱落并提高患者的安全.
- 固定稳定性受技术和材料的影响,断是主要的故障模式.
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