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System and method for detection of brain edema using spectrophotometry

  • US 7,643,858 B2
  • Filed: 09/28/2006
  • Issued: 01/05/2010
  • Est. Priority Date: 09/28/2006
  • Status: Active Grant
First Claim
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1. A method of detecting or monitoring brain edema in a patient, comprising:

  • emitting a first light into the patient'"'"'s brain tissue at a first wavelength through a partial bone region of the patient'"'"'s skull, wherein the partial bone region of the patient'"'"'s skull is approximately 3 cm behind a coronal suture of the patient'"'"'s skull, wherein the coronal suture includes a suture between parietal and frontal bones of the patient'"'"'s skull;

    emitting a second light into the patient'"'"'s brain tissue at a second wavelength through said partial bone region;

    detecting the first and second lights after dispersion by the brain tissue at a detector; and

    determining an amount of water proximate the brain tissue based on the detected first and second lights.

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