Positioning method for pulse oximetry fetal sensor

Details Positioning method for pulse oximetry fetal sensor Positioning method for pulse oximetry fetal sensor

1997-10-20

1999-10-05

Dvorak, Linda C.

Surgery

Diagnostic testing

Measuring or detecting nonradioactive constituent of body...

600313, 600339, 600341, A61B 500

Patent

active

059614528

ABSTRACT:
An intrauterine pulse oximetry apparatus and method are provided to measure fetal blood oxygen saturation at sites in a preferred region on the fetus. The sensor of the apparatus is attached to a stiff cable which can be inserted into the uterus past the presenting part and transcervical region of the fetus. The cable may have visual and tactile markings by which the user, without seeing or feeling the sensor, can guide it to an appropriate site on the fetus and for use in determining the depth of the sensor in the vagina.

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patent: 5099842 (1992-03-01), Mannheimer et al.
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patent: 5228440 (1993-07-01), Chung et al.
patent: 5247932 (1993-09-01), Chung et al.
patent: 5743260 (1998-04-01), Chung et al.

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