Endotracheal tube bite block
CA 2000876 A1 · Owner: Magnuson, Linda M. · Inventors: Roxburg, Dwight W.; Magnuson, Linda M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention provides a bite block for use with an endotracheal tube, having an elongated hard core of generally C-shaped cross-section and also including a material which is softer than the core the softer, material being secured to a portion of the exterior of the hard core, and a portion of the hard core being exposed. The bite block can be secured to a standard endotracheal tube by taping the exposed portion of the hard core to the tube. Preferably, the bite block has two radial apertures through the softer material and the hard core to permit securing of the bite block and tube to a patient with a flexible strap.
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 October 17, 1989. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 17, 2009.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 17, 2011.
- 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.