Spectrometric analysis of fluids in-situ

Details Spectrometric analysis of fluids in-situ Spectrometric analysis of fluids in-situ

2011-05-31

2011-05-31

Evans, F. L (Department: 2877)

Optics: measuring and testing

By dispersed light spectroscopy

Utilizing a spectrometer

C250S339070

Reexamination Certificate

active

07952710

ABSTRACT:
A box14having a body13is used with a transparent flexible bag containing a liquid such as an IV bag. First and second faces12are positioned relative to each other. The faces each have therewithin an end or fiber optic port11of a respective light path. A light source is optically coupled with the light path of the first face and a spectrometer is optically coupled with the light path of the second face. The light paths are coaxial and are disposed so that the transparent flexible bag is positionable therebetween. The spectrometer is disposed to detect an anomaly in the liquid within the transparent flexible bag, and to annunciate the anomaly to a human user. The box defines a reproducible light path length through the liquid. A caliper29having a body22may be used in spectrometric analysis of a transparent tube containing a liquid such as a syringe or an IV line. The caliper has finger pads27which permit opening the spring-loaded caliper as needed. Rivets25provide a pivoting action relative to a pivot structure21which can also serve as a distance gauge. Compression spring24urges the caliper jaws together at lens locations26. Lens locations26are optically coupled with internal fiber optic lines28,and thence to external fiber optic connectors23. A light source is optically coupled with one of the connectors23and a spectrometer is optically coupled with the other of the connectors23.

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International Search Report dated Aug. 31, 2009 from ISA—KR.

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