Endotracheal tube for selective bronchial occlusion
CA 2324288 A1 · Owner: Oldfield Family Holdings Pty. Limited · Inventors: Oldfield, Geoffrey Stewart
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An endotracheal tube (1) for selective bronchial occlusion for use in medical and surgical procedures in hospitals, and for on-site post-trauma medical stabilisation procedures, where it is often necessary to intubate the lungs with a view to isolating and occluding one lung and ventilating the other lung, the endotracheal tube (1) having a central channel (5) extending throughout its entire length with an opening at each of opposed distal (3) and proximal (4) ends thereof, the opening at the proximal end of the tube being adapted for connection to a ventilation device and the opening at the distal end comprising a first or distal air vent for venting air into the lungs the , …
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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 11, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 11, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 11, 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.