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Expired Canadian patentCanada

System and method for imaging the reflectance of a substrate

CA 2541297 C · Owner: Academisch Medisch Centrum · Inventors: Ince, Can

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Abstract From the Canadian patent

The present application discloses a system and method for the comprehensive monitoring of the microcirculation in order to assess the ultimate , efficacy of the cardiovascular system in delivering adequate amounts of oxygen to , the organ cells. The system utilizes reflectance avoidance by reflectance filtering, such as OPS imaging or Mainstream Dark Field imaging or by Sidestream Dark , Field imaging, which utilizes external direct light on the tip of the light guide to , achieve reflectance avoidance whereby incident and reflected light do not travel , down the same pathway. The system can combine reflectance avoidance with other imaging modalities to provide information regarding …

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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Filed October 1, 2004 and granted December 10, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 1, 2024.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 1, 2026.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 1, 2004
GrantedDecember 10, 2013
Term endedOctober 1, 2024
Patent numberCA 2541297 C
Classification (IPC)A61B5/00

Timeline

Timeline From CIPO dates

2005200720092011201320152017201920212023Application filedOct 1, 2004Patent grantedDec 10, 2013Term endedOct 1, 2024

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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.