皮肤一致的PMN-PT超声波传感器用于无袖血压传感器,通过eutectic接集成进行传感
Syed Turab Haider Zaidi1,2, Dong Hun Kim3, Muhammad Ali Shah1
1Department of Bionic Machinery, Korea Institute of Machinery and Materials, Daejeon, 34103, South Korea.
Microsystems & nanoengineering
|December 31, 2025
概括
这项研究引入了一种灵活的超声波传感器阵列,用于非侵入性,连续的血压监测. 这种可穿戴设备准确地跟踪血管动力学,为传统的袖子式方法提供了一个有希望的替代方案.
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
- 心血管技术的心血管技术
背景情况:
- 可穿戴式超声波系统提供非侵入性心血管监测.
- 整合灵活的压电材料用于皮肤合规阵列存在挑战.
研究的目的:
- 开发一种灵活的超声波传感器阵列,用于连续监测血压.
- 为了应对机械伸展性,声学真实性和可扩展性的挑战.
主要方法:
- 使用1-3-酸-酸 (PMN-PT) 复合元件制造一个5x4超声波传感器阵列.
- 使用Sn-Bi合金的双面欧性接,用于低温,非去极化固定.
- 描述了阵列的性能,包括中心频率 (6.0 MHz) 和接收角度 (45°).
主要成果:
- 灵活的阵列通过飞行时间模拟和体外测试实现了血管直径的准确跟踪和实时血压估计.
- 缩压和腹缩压测量在商业参考传感器的4mmHg以内.
- 证明了可扩展,灵活的超声波的可行性,用于可穿戴的血液动力学传感.
结论:
- 开发的超声波传感器阵列显示了下一代护理点诊断的潜力.
- 突出了可穿戴血液动力学传感器的灵活超声波系统的可行性.
- 能够实时评估血管动力学,而无需使用袖口进行测量.
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