Tissue hydration estimation by spectral absorption bandwidth measurement
First Claim
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1. A method for determining tissue hydration comprising:
- detecting electromagnetic radiation scattered and reflected from living tissue;
using the detected electromagnetic radiation to determine a spectral absorption bandwidth by measuring a width of an absorption band substantially centered about an absorption peak; and
correlating the spectral absorption bandwidth to a tissue hydration index.
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Abstract
A system and method are provided for determining tissue hydration. Specifically, in accordance with one aspect of the present invention there is provided a method for determining tissue hydration. The method includes detecting electromagnetic radiation scattered and reflected from the living tissue and using the detected electromagnetic radiation to determine spectral absorption bandwidth. The method also includes correlating the spectral absorption bandwidth to a tissue hydration index.
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Citations
37 Claims
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1. A method for determining tissue hydration comprising:
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detecting electromagnetic radiation scattered and reflected from living tissue; using the detected electromagnetic radiation to determine a spectral absorption bandwidth by measuring a width of an absorption band substantially centered about an absorption peak; and correlating the spectral absorption bandwidth to a tissue hydration index. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. A system for measurement of living tissue comprising:
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a sensor unit configured to emit and detect electromagnetic radiation; and a hydration index unit coupled to the sensor unit and configured to determine a spectral absorption bandwidth by measuring a width of an absorption band substantially centered about an absorption peak and to correlate the spectral absorption bandwidth to living tissue hydration. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37)
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Specification