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Device for hemorrhage detection

  • US 7,828,730 B2
  • Filed: 07/02/2007
  • Issued: 11/09/2010
  • Est. Priority Date: 07/03/2006
  • Status: Active Grant
First Claim
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1. A device for hemorrhage detection, comprising a fixing means mountable inside a hollow organ, and a detecting means connected to the fixing means for detecting a presence of blood, the device further comprising:

  • a light source configured to emit light in an ultraviolet (UV) range and light in a red range of the visible spectrum;

    at least one photosensitive sensor configured to measure a first light intensity depending on absorption in the UV range and a second light intensity depending on absorption in the red range of the visible spectrum, and to output a first sensor signal depending on the first light intensity and a second sensor signal depending on the second light intensity; and

    a calculation unit configured to calculate a ratio of the first sensor signal and the second sensor signal, wherein the ratio comprises a parameter determining whether blood is present or not present.

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