Fiberoptic probe having waveguide properties

Details Fiberoptic probe having waveguide properties Fiberoptic probe having waveguide properties

A - Human Necessities

61

B

128/2

A61B 1/00 (2006.01) A61B 5/00 (2006.01) A61M 25/00 (2006.01) G01J 3/30 (2006.01) G01N 33/49 (2006.01)

Patent

CA 2017740

ABSTRACT OF THE INVENTION A fiberoptic probe includes a gas sensor disposed at the distal end of a fiberoptic catheter. The sensor includes a core and a cladding which provide the sensor with waveguide properties. The core is formed from a matrix of fluorophors which fluoresce with an intensity dependent upon the presence of a gas activate such as oxygen. This fluorescence is detected to provide an indication of gas activate concentration. Spectral and diffuse reflectance means increase the signal-to-noise ratio of the sensor.

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