Treatment of brain edema using carbonic anhydrase inhibitor
CA 2320934 A1 · Owner: Rodriguez, Victorio C. · Inventors: Rodriguez, Victorio C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method for treating victims of cerebral edema is presented that includes the intravenous injection of a carbonic anhydrase enzyme inhibitor that passes through the blood-brain barrier, such as acetazolamide (A.K.A. DIAMOX) which , is a readily-available and often-prescribed diuretic. Such edema or brain , swelling may be caused as a result of ischemic strokes especially but also , swelling due to tumors, surgeries or cerebral trauma. It is preferred to combine the a carbonic anhydrase enzyme inhibitor therapy with hyperventilation of the lungs, even including the use of supplemental oxygen thereby to reduce the concentration of carbon dioxide in the blood and hence in the brain.
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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 February 12, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 12, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 12, 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
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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.