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    • 1. 发明授权
    • Sensor for non-invasive and continuous determination of the duration of arterial pulse waves
    • 用于非侵入性和连续确定动脉脉搏波持续时间的传感器
    • US06200270B1
    • 2001-03-13
    • US09068448
    • 1998-05-08
    • Margit BiehlStefan Kiefer
    • Margit BiehlStefan Kiefer
    • A61N500
    • G01L9/0001A61B5/02427A61B5/0285
    • A sensor for non-invasive and continuous determination of the duration of arterial pulse waves is provided in which at least two spaced apart piezoelectric pressure sensors are disposed in succession in the flow direction of the artery, with the sensor being provided with pressure sensitive surfaces and being integrated in a casing. The piezoelectric pressure sensors are provided with a pressure-sensitive, strip-shaped surface, with the strips each being disposed in their longitudinal extension perpendicular to the flow direction of the artery. The casing is provided with at least two recesses adapted to the contours of the strip-shaped surfaces into which the pressure-sensitive, strip-shaped surfaces of the pressure sensors are disposed flush to the surface of the casing.
    • 提供了用于非侵入性和连续确定动脉脉搏波持续时间的传感器,其中至少两个间隔开的压电压力传感器被连续地布置在动脉的流动方向上,传感器设置有压敏表面, 被集成在外壳中。 压电压力传感器设置有压敏的带状表面,条带各自沿垂直于动脉的流动方向的纵向延伸设置。 壳体设置有至少两个适于条状表面的轮廓的凹部,压力传感器的压敏条形表面与壳体的表面齐平放置在该凹槽中。