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Expired Canadian patentCanada

Apparatus and method for controlling fraction of inspired oxygen

CA 2609856 C · Owner: Misholi, Boaz · Inventors: Misholi, Boaz

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Abstract From the Canadian patent

A method and apparatus for operating a ventilator to control the fraction of pressure inspired oxygen (FiO2) to a patient that includes: providing a ventilator controller that includes a software algorithm a pulse oximeter and , a (FiO2) flow rate controller; measuring the pulse oximetry of the patient and computing an average pulse oximetry value over a time period; selecting a first, second and third pulse oximetry levels as set points for the ventilator controller; selecting an update time interval; decreasing the (FiO2) flow rate by a first incremental amount when the average pulse oximetry value is greater than the first level; increasing the (FiO2) flow rate by a second …

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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 May 17, 2006 and granted September 19, 2017. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 17, 2026.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 17, 2006
GrantedSeptember 19, 2017
Term endedMay 17, 2026
Patent numberCA 2609856 C
Classification (IPC)A61M16/00

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedMay 17, 2006Patent grantedSep 19, 2017Term endedMay 17, 2026

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