Arterial blood monitoring probe

Details Arterial blood monitoring probe Arterial blood monitoring probe

1993-04-12

1994-03-29

Sykes, Angela D.

Surgery

Truss

Pad

128665, 356 41, A61B 500

Patent

active

052975487

ABSTRACT:
This arterial blood monitoring system takes advantage of the basic statistical property that arterial blood contains a plurality of dominant absorbers, whose measured light absorption spectra appear as a constant over a short interval of time. By measuring the transmitted light as it varies with arterial pulsation at selected wavelengths of light, over a common light path, the relative amount of these dominant absorbers in the arterial blood can noninvasively be determined. To ensure the common light path, a sandwich construction light detector is used.

REFERENCES:
patent: 4223680 (1980-09-01), Jobsis
patent: 4824242 (1989-04-01), Frick et al.
patent: 4867165 (1989-09-01), Noller et al.
patent: 5078136 (1992-01-01), Stone et al.
patent: 5127406 (1992-07-01), Yamaguchi
patent: 5137023 (1992-08-01), Mendelson et al.

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