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对剪切波弹性学和双轴测试进行比较分析,以准确评估软组织的机械性

Zachary Ross¹, Gregory Hirst², Adam Rose²

¹Mechanical Engineering Department (ME) at Brigham Young University (BYU), USA.

Journal of the mechanical behavior of biomedical materials

|September 17, 2025

概括

剪波弹性学准确地以非破坏性的方式测量软组织的刚性. 这种超声波技术提供了与传统方法相似的结果,验证了其在生物医学研究中的应用.

科学领域:

生物医学工程生物医学工程
医疗成像医学成像
材料科学材料科学材料科学

背景情况:

准确的现场组织硬性表征对于生物医学研究和临床应用至关重要.
测量组织刚性的传统方法往往具有破坏性和耗时性.
剪波弹性图 (SWE) 提供了一种非破坏性的方法来评估组织的机械性质.

研究的目的:

验证剪波弹性图 (SWE) 的有效性,用于准确的,现场的,非破坏性的组织刚性特征.
为了比较SWE衍生的刚度测量与传统的双轴拉伸试验.
建立SWE在生物医学研究和定量临床治疗中的可信度和实用性.

主要方法:

猪肠道组织样本被嵌入在凝中.
使用具有 SWE 功能的超声波机来评估硬度.
对传统的双轴拉伸试验进行了比较分析.

主要成果:

在低应变时,SWE测量组织度与通过双轴拉伸试验获得的测量没有统计学上的差异.
该研究表明,SWE能够准确测量绝对组织硬性的能力.
结果表明可以将其推广到具有类似规格的其他SWE系统.

结论:

剪切波弹性图提供了一种准确且非破坏性的方法,用于测量低压力下软组织的刚性.
SWE的功能与传统的破坏性测试方法相美.
这项验证支持在研究和临床环境中使用SWE进行现场组织表征和机械性质评估.

关键词:

双轴组织检测测试剪切波弹性图形学剪切波弹性图形学组织硬性组织硬性超声波超声波是指超声波的使用.

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