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相关概念视频

Pulse rhythm01:30

Pulse rhythm

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Pulse rhythm refers to the pattern of pulsations within specific intervals, offering valuable insights into the regularity or irregularity of the heart's beats as observed through the pattern of pulsation within specific intervals. A regular pulse exhibits a consistent heart rate with uniform waveforms and pulsation force, variations of which can be classified as normal, weak, or bounding.
Conversely, an irregular pulse pattern is termed dysrhythmia, stemming from disruptions in cardiac...
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相关实验视频

Updated: Jan 11, 2026

An Experimental Protocol for Assessing the Performance of New Ultrasound Probes Based on CMUT Technology in Application to Brain Imaging
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一个年度CMUT阵列和采购战略,用于持续监测.

María José Almario Escorcia1, Amir Gholampour1, Rob van Schaijk2

  • 1Photoacoustics & Ultrasound Laboratory Eindhoven (PULS/e), Department of Biomedical Engineering, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands.

Sensors (Basel, Switzerland)
|November 13, 2025
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概括

一个新的电容微机超声波传感器 (CMUT) 能够实现可穿戴的3D超声波成像. 费尔马特法则就是这样的.

关键词:
在CMUTUT中使用.电容式微加工超声波传感器 超声波传感器 超声波传感器不同的波浪分开.孕产妇的监测和母亲的监测.转换器 转换器 转换器传输光束成型 传输光束成型超声波成像的成像方法

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科学领域:

  • 生物医学工程 生物医学工程
  • 超声波技术 超声波技术 超声波技术
  • 医疗器械开发 医疗器械开发

背景情况:

  • 可穿戴式超声波提供持续监测,对于诸如高风险怀孕胎儿监测等应用至关重要.
  • 传统的超声波扫描仪需要操作员,限制了持续的独立评估.
  • 现有的技术面临着尺寸,成本和可穿戴应用程序的集成方面的挑战.

研究的目的:

  • 为3D超声波成像提出和评估一种新的144元素环状电容微加工超声波传感器 (CMUT).
  • 调查使用费马螺旋虚拟源 (VS) 模式用于分离波传输以提高成像性能.
  • 为了比较费马螺旋VS模式与其他VS模式和传统超声波技术的性能.

主要方法:

  • 开发一个简化的,GPU加速的模拟框架,用于超声波成像分析.
  • 设计用于低压操作和可穿戴集成的紧,经济高效的环状CMUT阵列的特征.
  • 使用模拟框架将费马螺旋VS传输与焦点和平面波技术的性能比较.

主要成果:

  • 模拟框架显示了高精度,平均绝对误差 (MAE) 在0.002和0.089.0之间.
  • 费马螺旋VS传输在多个指标上提供了平衡的性能.
  • 对于所研究的特定CMUT光圈,拟议的VS模式的性能优于聚焦波传输.

结论:

  • 开发的CMUT是低成本,紧的2D传感器的基础组件,适合3D超声波成像.
  • 费马螺旋VS图案显示了增强超声波中分离波传输的前景.
  • 该研究为未来的可穿戴超声波设备建立了框架,特别是用于持续监测患者.