Device for the combined measurement of the arterial oxygen saturation and the transcutaneous co2 partial pressure of an ear lobe
CA 2290083 A1 · Owner: Eberhard, Patrick · Inventors: Palma, Jean-Pierre; Eberhard, Patrick
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A device for the combined measurement of the arterial oxygen saturation and the transcutaneous CO2 partial pressure or an ear lobe, has a sensor which performs pulse oximetric measurement of the arterial oxygen saturation measurement of, the transcutaneous CO2 partial pressure and warming of a sensor, contact surface intended for contact with the ear lobe. For pulse oximetric measurement of the arterial oxygen saturation at least two LEDs and one photodiode are arranged so that when the device is attached to an ear lobe they are located on the same side of the ear lobe.
Read the whole patent
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 November 19, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 19, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 19, 2021.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.