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PROBE AND A METHOD FOR USE WITH A PROBE

  • US 20070129616A1
  • Filed: 12/01/2006
  • Published: 06/07/2007
  • Est. Priority Date: 12/02/2005
  • Status: Active Grant
First Claim
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1. A method for use with a probe which produces signals indicative of the light absorption of arterial blood at least at a first light wavelength and at a second light wavelength, wherein, in order to indicate if the probe is not properly attached to a tissue site, the method comprises:

  • measuring with at a third wavelength, the third wavelength being chosen so that human tissue is less transparent than at the first and second wavelengths.

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