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    • 5. 发明授权
    • Perinatal pulse oximetry sensor
    • 围产期脉搏血氧饱和度传感器
    • US5109849A
    • 1992-05-05
    • US482827
    • 1990-02-21
    • David E. GoodmanJessica A. WarringPaul D. Mannheimer
    • David E. GoodmanJessica A. WarringPaul D. Mannheimer
    • A61B5/00A61B5/0448
    • A61B5/1464A61B5/04485A61B5/14542A61B5/4362A61B5/6834
    • An apparatus for use in measuring fetal blood flow characteristics. The apparatus includes a non-invasive pulse oximetry probe that is inserted into the uterus between the fetus and the uterine wall. The probe is deformable and is positively attached to the fetal tissue surface using a vacuum pump which causes the probe to deform from a pre-set curvature to the curvature of the fetal tissue surface and to form a gasket-type seal with the fetal tissue surface. The probe is manually inserted into the uterus using a curved insertion tool, and is shaped to fit through a slightly dilated cervix. In a preferred embodiment, the probe includes fetal and maternal ECG sensors and additional sensing devices, and is provided with apparatus for improving the efficiency of the pulse oximetry optics.
    • 一种用于测量胎儿血液流动特性的装置。 该装置包括插入胎儿和子宫壁之间的子宫内的无创脉搏血氧测定探针。 探针是可变形的,并且使用真空泵将其亲和地附着到胎儿组织表面,该真空泵使得探针从预设曲率变形到胎儿组织表面的曲率,并与胎儿组织表面形成垫圈型密封 。 使用弯曲的插入工具将探针手动插入子宫,并且成形为适合通过稍扩张的子宫颈。 在优选实施例中,探针包括胎儿和母体ECG传感器和附加感测装置,并且具有用于提高脉搏血氧饱和度光学器件的效率的装置。