A Portable Insole System to Simultaneously Measure Plantar Pressure and Shear Stress
A Portable Insole System to Simultaneously Measure Plantar Pressure and Shear Stress
复制标题
可同时测量足底压力和剪切应力的便携式鞋垫系统
DOI：
10.1109/jsen.2022.3162713
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发表时间：
2022
影响因子：
4.3
通讯作者：
Wang L
中科院分区：
文献类型：
--
作者：
Wang L
本研究旨在开发一种集成的鞋内测量系统，以完整记录足底载荷，包括整个接触面的压力和剪切应力。这些数据对于帮助了解和预防复杂疾病的发展至关重要，如糖尿病足溃疡（DFUs），这是一个全球性的医疗保健挑战。目前还没有系统可以可靠地记录这些数据。方法在本文中，我们报告了开发的SLIPS（剪切载荷感应足底传感）系统，该系统将64个三轴力传感器集成到柔性鞋垫中以测量足底载荷。slip将我们的多轴电感式负载传感技术转化为嵌入鞋垫内的完整传感阵列，并配有通信和电源总线。一项试点研究评估了三名健康参与者在步行时的系统。结果测试表明，参与者对滑移系统具有良好的耐受性，并且可以在动态步态负荷下工作。初步研究揭示了足底负荷的复杂性。峰值压力载荷的区域与解剖标志一致，剪切载荷构成总体载荷的重要组成部分。值得注意的是，峰值剪切和压力的区域不一定同时存在或一致存在。结论：本研究强调了鞋内足底测量系统的需求，如能够绘制压力和剪切载荷的slip，以及它们的使用，以提高对这些因素与DFU等临床疾病的关系的理解。eslips代表了第一个能够同时测量整个足底表面压力和剪切的鞋内测量系统。
ObjectiveThis work aims to develop an integrated in-shoe measurement system to fully record plantar loading, including both pressure and shear stresses, across the full contact surface. These data are vital to help understand and prevent the development of complex conditions such as Diabetic Foot Ulcers (DFUs), a worldwide healthcare challenge. Currently no systems exist to reliably record these data.MethodsIn this paper we report development of the SLIPS (‘Shear Load Inductive Plantar Sensing’) system which integrates 64 tri-axial force sensors into a flexible insole to measure plantar loading. SLIPS translates our multi-axis inductive load sensing technology into a full sensory array embedded within an insole and complete with communication and power bus. A pilot study evaluates the system in three healthy participants during walking.ResultsTesting shows that the SLIPS system is well tolerated by participants and can operate under dynamic gait loading regimes. The pilot study reveals the complex nature of plantar loading. Regions of peak pressure loading align with anatomical landmarks and shear loading forms a significant component of the overall load. Notably, regions of peak shear and pressure are not necessarily collocated or present in unison.ConclusionThis work highlights the need for in-shoe plantar measurement systems like SLIPS capable of mapping both pressure and shear load, and their use to improve understanding of how these factors relate to clinical conditions like DFU.SignificanceSLIPS represents the first in-shoe measurement system capable of measuring both pressure and shear across the whole plantar surface in unison.