Tracheal tube devices
CA 2246170 A1 · Owner: Palazzo, Mark George Anthony · Inventors: Soni, Neil; Palazzo, Mark George Anthony
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An endotracheal tube 10 has an inflatable bag 20 towards its patient end for sealing with the inside of the trachea 11. Additionally, the tube 10 has a second longer bag 50, separately inflatable to a lower pressure than the first bag 20 and such as to extend along the tube 10 from the first bag 20 to and through the vocal chords and larynx 13 and occupy the space between the first bag and the vocal chords 13. The inflated second tube 50 can thus reduce passage of secretions and minimises the space available for them. A suction line 48 extends along the tube opening, between, or at the interface between the two bags 20 and, 50 so that any body secretions that do pass the second bag can be …
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 August 31, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 31, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 31, 2020.
- 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.