Non-invasive near-infrared quantitative measurement instrument

Details Non-invasive near-infrared quantitative measurement instrument Non-invasive near-infrared quantitative measurement instrument

1993-08-16

1995-07-25

Dzierzynski, Paul M.

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

G01N 3350

Patent

active

054364558

ABSTRACT:
An improved near-infrared quantitative analysis instrument is disclosed comprising a removable finger insert which facilitates properly aligning and fitting and individual user's finger into the optical system of the analysis instrument. The finger insert according to the present invention also prevents the analysis instrument's optical system from being damaged by foreign matter typically introduced by a user's finger. The finger insert can also be provided with filters which will enable the insert to be used to as an optical standard for the analysis instrument.

REFERENCES:
patent: 4882492 (1989-11-01), Schlager
patent: 4971062 (1990-11-01), Hasebe et al.
patent: 5237178 (1993-08-01), Rosenthal et al.

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