Surgery – Truss – Pad
Patent
1993-12-15
1995-05-02
Sykes, Angela D.
Surgery
Truss
Pad
128633, 128664, 128665, A61B 500
Patent
active
054110246
ABSTRACT:
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.
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Pruehsner William R.
Thomas Simon W. H.
Corometrics Medical Systems, Inc.
Sykes Angela D.
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