Non-invasive medical sensor

Details Non-invasive medical sensor Non-invasive medical sensor

1994-09-30

1995-05-30

Sykes, Angela D.

Surgery

Truss

Pad

128664, A61B 500

Patent

active

054193214

ABSTRACT:
Apparatus 1 for non-invasive quantitative measurement of a substance in living tissue, the apparatus comprising an electromagnetic radiation emitter 5 to contact a patient's skin, tissue or organ 6, first radiation detector 3 spaced from the radiation emitter 5, and which is also to contact the skin, tissue or organ 6, and second radiation detector 2 which is spaced from the radiation emitter 5 by a distance greater than the spacing between the first radiation detector 3 and the radiation emitter 5, and is to contact the skin, tissue or organ 6. Electrical output signals are produced dependent on the intensity of the radiation detected by the radiation detectors and processed to obtain a value for the concentration of the substance in living tissue.

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