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    • 90. 发明申请
    • Non-Invasive Monitoring Device
    • 无创监测装置
    • US20120150000A1
    • 2012-06-14
    • US13320002
    • 2010-05-11
    • Ahmed Al-Shamma'aAlex MasonAndrew Shaw
    • Ahmed Al-Shamma'aAlex MasonAndrew Shaw
    • A61B5/145
    • H01P3/003A61B5/0507A61B5/14532H01Q7/00
    • The invention concerns a device for non invasive monitoring of the concentration of a constituent of a human or animal bloodstream. In the preferred example the device comprises drive circuitry (50) for provision of an alternating current at a microwave frequency. This frequency is adjustable. The drive circuitry may for example comprise a voltage controlled oscillator. The device has a sensor (19) adapted to be placed in proximity to the body of the human or animal, the sensor being electrically connected to said drive circuitry to receive said alternating current and being adapted to project microwave energy into the said body. Detector circuitry is provided for detecting a signal transmitted and/or reflected by the sensor, the detected signal properties being dependent on the concentration of the said blood constituent.
    • 本发明涉及用于非侵入性监测人或动物血流成分浓度的装置。 在优选示例中,该装置包括用于提供微波频率的交流电的驱动电路(50)。 该频率可调。 驱动电路可以例如包括压控振荡器。 该装置具有适于放置在靠近人或动物身体的传感器(19),所述传感器电连接到所述驱动电路以接收所述交流电并适于将微波能量投射到所述体内。 检测器电路用于检测由传感器传输和/或反射的信号,所检测的信号特性取决于所述血液成分的浓度。