Method for monitoring fetal-material circulation time

Details Method for monitoring fetal-material circulation time Method for monitoring fetal-material circulation time

1987-04-23

1989-04-18

Howell, Kyle L.

Surgery

Truss

Pad

128668, 128716, A61B 500

Patent

active

048217328

ABSTRACT:
A method of monitoring fetal and maternal circulatory times as an indicator of fetal distress, involving the detection and measurement of the concentration of a gas transdermally diffused through the skin of the mother and the fetus, subsequent to inhalation of the gas by the mother. Time and concentration values are then compared to provide indications of distress in the fetus.

REFERENCES:
patent: 3621844 (1971-11-01), Hayashi et al.
patent: 4220158 (1980-09-01), Delpy et al.
patent: 4346710 (1982-08-01), Thanawalla et al.
patent: 4445515 (1984-05-01), DiResta
patent: 4537197 (1985-08-01), Hulka

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