Perinatal pulse oximetry probe

Details Perinatal pulse oximetry probe Perinatal pulse oximetry probe

1990-04-04

1992-03-31

Smith, Ruth S.

Surgery

Truss

Pad

A61B 500

Patent

active

050998420

ABSTRACT:
A fetal pulse oximetry probe has clusters of light-transmissive bumps over the light source and the light detector on the surface of the probe. The probe is usually attached to the fetus' head. The clusters part the fetal hair and penetrate other light-attenuating organic materials on the head. The clusters thus transmit a more intense light signal. To reduce the amount of signal shunting between them, the clusters also may be separated by additional opaque (light-shielding) bumps.

REFERENCES:
patent: 3505993 (1970-04-01), Lewes et al.
patent: 4537197 (1985-08-01), Hulka
patent: 4859057 (1989-08-01), Taylor et al.
patent: 4880304 (1989-11-01), Jaeb et al.

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