基于灵活的PVDF传感器进行医学冲击波参数的测量和光谱分析
Liansheng Xu1, Fei Shen1, Fan Fan1
1School of Biological Science and Medical Engineering, Beihang University, 37 Xueyuan Road, Haidian District, Beijing, 100191, China.
Physical and engineering sciences in medicine
|January 28, 2025
概括
灵活的传感器准确地测量了组织幻象中的冲击波参数. 研究结果揭示了冲击波强度和深度如何影响压力和能量,有助于体外冲击波疗法 (ESWT) 的发展和安全.
科学领域:
- 生物医学工程 生物医学工程
- 声学 声学 在声学方面
- 医学物理 医学物理
背景情况:
- 身体外冲击波疗法 (ESWT) 依赖于冲击波与组织相互作用的治疗效果.
- 在组织中精确测量机械冲击波参数对于有效的ESWT治疗策略和结果评估至关重要.
研究的目的:
- 通过使用灵活的传感器,研究组织模拟幻象中冲击波的实时传播和减弱.
- 分析关键的机械参数,如压力变化和能量流量密度 (EFD) 在各种深度和冲击强度.
主要方法:
- 灵活的聚乙烯化物 (PVDF) 振动传感器在不同厚度的模仿组织的幻影中植入.
- 在冲击波冲击过程中实时捕捉波形.
- 计算正负压变化 (P+,P-),脉冲波上升时间和EFD.
- 捕获的波形的频谱分析.
主要成果:
- PVDF传感器精确地捕获了幻影中的冲击波传播特征.
- 在恒定的驱动压力下,P+,P-和EFD随着传播深度的增加而呈指数级衰变.
- 在恒定深度的驱动压力下,P+和P-线性增加,而脉冲波上升时间保持不变.
结论:
- 灵活的PVDF传感器是有效的特征冲击波传播在组织幽灵.
- 该研究提供了对冲击波动力学,衰减和光谱特征的见解.
- 这些发现可以为ESWT设备的开发提供信息,完善治疗方案,并提高临床应用的安全性.
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