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Human Cavity Gas Measurement Device And Method

  • US 20090118646A1
  • Filed: 04/18/2006
  • Published: 05/07/2009
  • Est. Priority Date: 04/18/2005
  • Status: Active Grant
First Claim
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1. A device configured to measure free gas in a body cavity, comprising a light emitter (1, 2) configured to emit light towards said body cavity from outside said body cavity,characterized bya light receiver (4) configured to collect scattered light from tissue surrounding said body cavity, configured to observe at least one wavelength window specific for a free gas in the body cavity;

  • anda calculating means for assessing a concentration of said free gas in said body cavity from said collected scattered light, based on optical absorption spectroscopy.

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