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相关概念视频

Equipments Used To Measure Blood Pressure01:30

Equipments Used To Measure Blood Pressure

Direct Method
This invasive approach involves cannulating a peripheral artery. During each cardiac contraction, pressure generates mechanical motion within the catheter, transmitted through rigid, fluid-filled tubing to a transducer. This transducer converts mechanical motion into electrical signals displayed as waveforms on a monitor. An automatic flushing system prevents blood backflow. Due to the potential risk of unexpected arterial blood loss, this method is primarily used in intensive...

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导电式基于水凝的握力压力测量装置用于手部康复.

Jose Garcia-Delgado, Cristina Martin-Salas, Jose L Polo

    Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference
    |December 3, 2025
    PubMed
    概括

    研究人员开发了一种新的抓地压力传感器,使用柔性水凝进行手部康复. 该设备准确地测量低压变化,有助于监测和控制神经肌肉疾病的恢复.

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    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
    • 康复技术 康复技术 康复技术

    背景情况:

    • 精确的握力压力监测对于有效的手部康复至关重要.
    • 现有的传感器往往缺乏检测微妙压力变化所需的灵活性或灵活性.

    研究的目的:

    • 开发一款用于手部康复的新型,高度灵敏的握力压力测量装置.
    • 在传感器制造中使用基于2-基乙烯酸 (2-HEA) 的导电水凝.

    主要方法:

    • 使用紫外线启动的3D打印制造2-HEA导电水凝.
    • 液凝机械性质的表征 (斯模量,耐疲劳性).
    • 使用阻抗分析仪和采用定制电子设备的四探针方法评估电气性能.

    主要成果:

    • 水凝表现出强大的机械性能 (Young的模量:44.8±8.0 kPa) 和高耐疲劳性.
    • 传感器显示出高灵敏度 (8.54 kΩ每1%的变形).
    • 实验验证证了该设备在实时压力控制任务中的准确性和可用性.

    结论:

    • 基于2-HEA水凝的传感器是高级康复监测的有希望的工具.
    • 该设备擅长检测低压变化,有利于早期康复和神经肌肉疾病.
    • 新的空气室设计和四探针方法提高了测量精度.