Optical fiber sensors for continuous monitoring of biochemicals

Details Optical fiber sensors for continuous monitoring of biochemicals Optical fiber sensors for continuous monitoring of biochemicals

1990-05-08

1992-09-01

Shay, David M.

Surgery

Truss

Pad

128633, 250364, 356 39, 422 55, A61B 500

Patent

active

051430665

ABSTRACT:
A device and method for measuring properties of certain substances such as analytes are provided. The device includes a probe housing having an optical fiber associated therewith. The housing is capped on one end by a porous membrane which is permeable to the analyte being studied. The housing also includes a reflective surface member disposed between the end of the optical fiber and the membrane, thereby defining a chamber. The reflective surface member does not allow light to be transmitted into or out of the chamber. However, a dye-labeled analog-analyte can permeate the reflective surface member and thereby allow a measurement to be taken which is related to the concentration of the analyte being studied. An embodiment for use in vivo is provided. A related method is also provided.

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