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    • 8. 发明授权
    • Fetal pulse oximetry sensor
    • 胎儿脉搏血氧饱和度传感器
    • US5411024A
    • 1995-05-02
    • US167334
    • 1993-12-15
    • Simon W. H. ThomasWilliam R. Pruehsner
    • Simon W. H. ThomasWilliam R. Pruehsner
    • A61B5/0245A61B5/00A61B5/0448A61B5/145A61B5/1455A61B5/1464
    • A61B5/1464A61B5/0448A61B5/14542A61B5/4362A61B5/6882A61B2503/02
    • A fetal pulse oximetry sensor device containing a pulse oximetry sensor is disclosed. The device also includes a spiral for fetal attachment. One or both of the light emitting portion and light detecting portion of the pulse oximetry sensor is spring biased to be moveable with respect to the body of the device. Alternatively, the light emitting portion and light detecting portion may be mounted within the housing of the device, with the housing being spring biased towards the fetal skin. In this manner, the pulse oximetry sensor is maintained in intimate contact with the fetal tissue. This provides for accurate oximetry measurements since the errors due to the detection of unattenuated or non-absorbed light passing directly from the light emitter to the light detector, are significantly reduced. The fetal attachment spiral may also include a fetal EKG electrode, in which case the device may be used as both a fetal pulse oximeter and a fetal heart rate monitor.
    • 公开了一种含有脉搏血氧饱和度传感器的胎儿脉搏血氧饱和度传感器装置。 该装置还包括用于胎儿附着的螺旋。 脉搏血氧饱和度传感器的发光部分和光检测部分中的一个或两个被弹簧偏压以相对于装置的主体移动。 或者,发光部分和光检测部分可以安装在装置的壳体内,其中壳体被弹性地朝向胎儿皮肤偏置。 以这种方式,脉搏血氧饱和度传感器保持与胎儿组织紧密接触。 这提供了精确的血氧定量测量,因为由于直接从光发射器到光检测器的非衰减或非吸收光的检测的误差显着降低。 胎儿附着螺旋还可以包括胎儿EKG电极,在这种情况下,该装置可以用作胎儿脉搏血氧计和胎儿心率监测器。