Assessing perfusion failure by measuring blood flow
CA 2369055 A1 · Owner: Kimball, Victor E. · Inventors: Bisera, Jose; Weil, Max Harry; Tang, Wanchun
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Methods, and devices are provided for assessing impairment of blood circulation in a patient, such as that in perfusion failure by measurement of , blood flow in the gastro-intestinal tract or upper respiratory/digestive tract of the patient. The method comprises introducing a blood - flow sensor (212) into the gastrointestinal tract or the upper respiratory/digestive tract of a patient, placing the sensor (212) adjacent a mucosal surface therein and , measuring blood flow in adjacent tissue to determine blood flow in that tissue. The method may also involve the measurement of PCO~2? and/or pH in combination with the blood flow determination. This invention affords rapid measurement, …
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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 March 30, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 30, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 30, 2022.
- 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
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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.