Method and apparatus for delivering oxygen into blood
CA 2176601 A1 · Owner: Spears, James Richard · Inventors: Spears, James Richard
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method and apparatus for delivering oxygen into an environment of interest, such as blood plasma (22) having the characteristic of, a low concentration of oxygen before delivery. The method includes the steps of preparing a mixture of oxygen and liquid compressing the, mixture so that the oxygen dissolves in the liquid to form an oxygenenriched liquid, delivering the oxygen-enriched liquid to a catheter having an internal diameter and length which retains the oxygen in solution and prevents the formation of bubbles positioning the catheter, in the environment of interest and injecting the oxygen-enriched liquid into the environment through the catheter such that the environment, rapidly …
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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 November 7, 1994. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 7, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 7, 2016.
- 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.